Hi Dinesh,
On Fri, Aug 30, 2013 at 7:28 AM, Dinesh Ram <dinram@xxxxxxxxx> wrote:
> Added a new si4713 directory which will contain all si4713 related files.
> Also updated Makefile and Kconfig
>
> Signed-off-by: Dinesh Ram <dinram@xxxxxxxxx>
> ---
> drivers/media/radio/Kconfig | 29 +-
> drivers/media/radio/Makefile | 3 +-
> drivers/media/radio/radio-si4713.c | 246 ----
> drivers/media/radio/si4713-i2c.c | 1532 --------------------
> drivers/media/radio/si4713-i2c.h | 238 ---
> drivers/media/radio/si4713/Kconfig | 25 +
> drivers/media/radio/si4713/Makefile | 7 +
> drivers/media/radio/si4713/radio-platform-si4713.c | 246 ++++
> drivers/media/radio/si4713/si4713.c | 1532 ++++++++++++++++++++
> drivers/media/radio/si4713/si4713.h | 238 +++
> 10 files changed, 2055 insertions(+), 2041 deletions(-)
> delete mode 100644 drivers/media/radio/radio-si4713.c
> delete mode 100644 drivers/media/radio/si4713-i2c.c
> delete mode 100644 drivers/media/radio/si4713-i2c.h
> create mode 100644 drivers/media/radio/si4713/Kconfig
> create mode 100644 drivers/media/radio/si4713/Makefile
> create mode 100644 drivers/media/radio/si4713/radio-platform-si4713.c
> create mode 100644 drivers/media/radio/si4713/si4713.c
> create mode 100644 drivers/media/radio/si4713/si4713.h
>
Not that this is mandatory, but it eases the review process if you add
the flag --find-renames in your git format-patch command. It will
append a summary of file renames and the patch will contain only the
difference you made inside the files while moving them.
> diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig
> index 39882dd..c92d654 100644
> --- a/drivers/media/radio/Kconfig
> +++ b/drivers/media/radio/Kconfig
> @@ -15,6 +15,12 @@ if RADIO_ADAPTERS && VIDEO_V4L2
> config RADIO_TEA575X
> tristate
>
> +config RADIO_SI4713
> + tristate "Silicon Labs Si4713 FM Radio with RDS Transmitter support"
> + depends on VIDEO_V4L2
> +
> +source "drivers/media/radio/si4713/Kconfig"
> +
> config RADIO_SI470X
> bool "Silicon Labs Si470x FM Radio Receiver support"
> depends on VIDEO_V4L2
> @@ -113,29 +119,6 @@ config RADIO_SHARK2
> To compile this driver as a module, choose M here: the
> module will be called radio-shark2.
>
> -config I2C_SI4713
> - tristate "I2C driver for Silicon Labs Si4713 device"
> - depends on I2C && VIDEO_V4L2
> - ---help---
> - Say Y here if you want support to Si4713 I2C device.
> - This device driver supports only i2c bus.
> -
> - To compile this driver as a module, choose M here: the
> - module will be called si4713.
> -
> -config RADIO_SI4713
> - tristate "Silicon Labs Si4713 FM Radio Transmitter support"
> - depends on I2C && VIDEO_V4L2
> - select I2C_SI4713
> - ---help---
> - Say Y here if you want support to Si4713 FM Radio Transmitter.
> - This device can transmit audio through FM. It can transmit
> - RDS and RBDS signals as well. This module is the v4l2 radio
> - interface for the i2c driver of this device.
> -
> - To compile this driver as a module, choose M here: the
> - module will be called radio-si4713.
> -
> config USB_KEENE
> tristate "Keene FM Transmitter USB support"
> depends on USB && VIDEO_V4L2
> diff --git a/drivers/media/radio/Makefile b/drivers/media/radio/Makefile
> index 3b64560..eb1a3a0 100644
> --- a/drivers/media/radio/Makefile
> +++ b/drivers/media/radio/Makefile
> @@ -17,12 +17,11 @@ obj-$(CONFIG_RADIO_RTRACK) += radio-aimslab.o
> obj-$(CONFIG_RADIO_ZOLTRIX) += radio-zoltrix.o
> obj-$(CONFIG_RADIO_GEMTEK) += radio-gemtek.o
> obj-$(CONFIG_RADIO_TRUST) += radio-trust.o
> -obj-$(CONFIG_I2C_SI4713) += si4713-i2c.o
> -obj-$(CONFIG_RADIO_SI4713) += radio-si4713.o
> obj-$(CONFIG_RADIO_SI476X) += radio-si476x.o
> obj-$(CONFIG_RADIO_MIROPCM20) += radio-miropcm20.o
> obj-$(CONFIG_USB_DSBR) += dsbr100.o
> obj-$(CONFIG_RADIO_SI470X) += si470x/
> +obj-$(CONFIG_RADIO_SI4713) += si4713/
> obj-$(CONFIG_USB_MR800) += radio-mr800.o
> obj-$(CONFIG_USB_KEENE) += radio-keene.o
> obj-$(CONFIG_USB_MA901) += radio-ma901.o
> diff --git a/drivers/media/radio/radio-si4713.c b/drivers/media/radio/radio-si4713.c
> deleted file mode 100644
> index ba4cfc9..0000000
> --- a/drivers/media/radio/radio-si4713.c
> +++ /dev/null
> @@ -1,246 +0,0 @@
> -/*
> - * drivers/media/radio/radio-si4713.c
> - *
> - * Platform Driver for Silicon Labs Si4713 FM Radio Transmitter:
> - *
> - * Copyright (c) 2008 Instituto Nokia de Tecnologia - INdT
> - * Contact: Eduardo Valentin <eduardo.valentin@xxxxxxxxx>
> - *
> - * This program is free software; you can redistribute it and/or modify
> - * it under the terms of the GNU General Public License as published by
> - * the Free Software Foundation; either version 2 of the License, or
> - * (at your option) any later version.
> - *
> - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
> - */
> -
> -#include <linux/kernel.h>
> -#include <linux/module.h>
> -#include <linux/init.h>
> -#include <linux/platform_device.h>
> -#include <linux/i2c.h>
> -#include <linux/videodev2.h>
> -#include <linux/slab.h>
> -#include <media/v4l2-device.h>
> -#include <media/v4l2-common.h>
> -#include <media/v4l2-ioctl.h>
> -#include <media/v4l2-fh.h>
> -#include <media/v4l2-ctrls.h>
> -#include <media/v4l2-event.h>
> -#include <media/radio-si4713.h>
> -
> -/* module parameters */
> -static int radio_nr = -1; /* radio device minor (-1 ==> auto assign) */
> -module_param(radio_nr, int, 0);
> -MODULE_PARM_DESC(radio_nr,
> - "Minor number for radio device (-1 ==> auto assign)");
> -
> -MODULE_LICENSE("GPL v2");
> -MODULE_AUTHOR("Eduardo Valentin <eduardo.valentin@xxxxxxxxx>");
> -MODULE_DESCRIPTION("Platform driver for Si4713 FM Radio Transmitter");
> -MODULE_VERSION("0.0.1");
> -MODULE_ALIAS("platform:radio-si4713");
> -
> -/* Driver state struct */
> -struct radio_si4713_device {
> - struct v4l2_device v4l2_dev;
> - struct video_device radio_dev;
> - struct mutex lock;
> -};
> -
> -/* radio_si4713_fops - file operations interface */
> -static const struct v4l2_file_operations radio_si4713_fops = {
> - .owner = THIS_MODULE,
> - .open = v4l2_fh_open,
> - .release = v4l2_fh_release,
> - .poll = v4l2_ctrl_poll,
> - /* Note: locking is done at the subdev level in the i2c driver. */
> - .unlocked_ioctl = video_ioctl2,
> -};
> -
> -/* Video4Linux Interface */
> -
> -/* radio_si4713_querycap - query device capabilities */
> -static int radio_si4713_querycap(struct file *file, void *priv,
> - struct v4l2_capability *capability)
> -{
> - strlcpy(capability->driver, "radio-si4713", sizeof(capability->driver));
> - strlcpy(capability->card, "Silicon Labs Si4713 Modulator",
> - sizeof(capability->card));
> - strlcpy(capability->bus_info, "platform:radio-si4713",
> - sizeof(capability->bus_info));
> - capability->device_caps = V4L2_CAP_MODULATOR | V4L2_CAP_RDS_OUTPUT;
> - capability->capabilities = capability->device_caps | V4L2_CAP_DEVICE_CAPS;
> -
> - return 0;
> -}
> -
> -/*
> - * v4l2 ioctl call backs.
> - * we are just a wrapper for v4l2_sub_devs.
> - */
> -static inline struct v4l2_device *get_v4l2_dev(struct file *file)
> -{
> - return &((struct radio_si4713_device *)video_drvdata(file))->v4l2_dev;
> -}
> -
> -static int radio_si4713_g_modulator(struct file *file, void *p,
> - struct v4l2_modulator *vm)
> -{
> - return v4l2_device_call_until_err(get_v4l2_dev(file), 0, tuner,
> - g_modulator, vm);
> -}
> -
> -static int radio_si4713_s_modulator(struct file *file, void *p,
> - const struct v4l2_modulator *vm)
> -{
> - return v4l2_device_call_until_err(get_v4l2_dev(file), 0, tuner,
> - s_modulator, vm);
> -}
> -
> -static int radio_si4713_g_frequency(struct file *file, void *p,
> - struct v4l2_frequency *vf)
> -{
> - return v4l2_device_call_until_err(get_v4l2_dev(file), 0, tuner,
> - g_frequency, vf);
> -}
> -
> -static int radio_si4713_s_frequency(struct file *file, void *p,
> - const struct v4l2_frequency *vf)
> -{
> - return v4l2_device_call_until_err(get_v4l2_dev(file), 0, tuner,
> - s_frequency, vf);
> -}
> -
> -static long radio_si4713_default(struct file *file, void *p,
> - bool valid_prio, unsigned int cmd, void *arg)
> -{
> - return v4l2_device_call_until_err(get_v4l2_dev(file), 0, core,
> - ioctl, cmd, arg);
> -}
> -
> -static struct v4l2_ioctl_ops radio_si4713_ioctl_ops = {
> - .vidioc_querycap = radio_si4713_querycap,
> - .vidioc_g_modulator = radio_si4713_g_modulator,
> - .vidioc_s_modulator = radio_si4713_s_modulator,
> - .vidioc_g_frequency = radio_si4713_g_frequency,
> - .vidioc_s_frequency = radio_si4713_s_frequency,
> - .vidioc_log_status = v4l2_ctrl_log_status,
> - .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
> - .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
> - .vidioc_default = radio_si4713_default,
> -};
> -
> -/* radio_si4713_vdev_template - video device interface */
> -static struct video_device radio_si4713_vdev_template = {
> - .fops = &radio_si4713_fops,
> - .name = "radio-si4713",
> - .release = video_device_release_empty,
> - .ioctl_ops = &radio_si4713_ioctl_ops,
> - .vfl_dir = VFL_DIR_TX,
> -};
> -
> -/* Platform driver interface */
> -/* radio_si4713_pdriver_probe - probe for the device */
> -static int radio_si4713_pdriver_probe(struct platform_device *pdev)
> -{
> - struct radio_si4713_platform_data *pdata = pdev->dev.platform_data;
> - struct radio_si4713_device *rsdev;
> - struct i2c_adapter *adapter;
> - struct v4l2_subdev *sd;
> - int rval = 0;
> -
> - if (!pdata) {
> - dev_err(&pdev->dev, "Cannot proceed without platform data.\n");
> - rval = -EINVAL;
> - goto exit;
> - }
> -
> - rsdev = devm_kzalloc(&pdev->dev, sizeof(*rsdev), GFP_KERNEL);
> - if (!rsdev) {
> - dev_err(&pdev->dev, "Failed to alloc video device.\n");
> - rval = -ENOMEM;
> - goto exit;
> - }
> - mutex_init(&rsdev->lock);
> -
> - rval = v4l2_device_register(&pdev->dev, &rsdev->v4l2_dev);
> - if (rval) {
> - dev_err(&pdev->dev, "Failed to register v4l2 device.\n");
> - goto exit;
> - }
> -
> - adapter = i2c_get_adapter(pdata->i2c_bus);
> - if (!adapter) {
> - dev_err(&pdev->dev, "Cannot get i2c adapter %d\n",
> - pdata->i2c_bus);
> - rval = -ENODEV;
> - goto unregister_v4l2_dev;
> - }
> -
> - sd = v4l2_i2c_new_subdev_board(&rsdev->v4l2_dev, adapter,
> - pdata->subdev_board_info, NULL);
> - if (!sd) {
> - dev_err(&pdev->dev, "Cannot get v4l2 subdevice\n");
> - rval = -ENODEV;
> - goto put_adapter;
> - }
> -
> - rsdev->radio_dev = radio_si4713_vdev_template;
> - rsdev->radio_dev.v4l2_dev = &rsdev->v4l2_dev;
> - rsdev->radio_dev.ctrl_handler = sd->ctrl_handler;
> - set_bit(V4L2_FL_USE_FH_PRIO, &rsdev->radio_dev.flags);
> - /* Serialize all access to the si4713 */
> - rsdev->radio_dev.lock = &rsdev->lock;
> - video_set_drvdata(&rsdev->radio_dev, rsdev);
> - if (video_register_device(&rsdev->radio_dev, VFL_TYPE_RADIO, radio_nr)) {
> - dev_err(&pdev->dev, "Could not register video device.\n");
> - rval = -EIO;
> - goto put_adapter;
> - }
> - dev_info(&pdev->dev, "New device successfully probed\n");
> -
> - goto exit;
> -
> -put_adapter:
> - i2c_put_adapter(adapter);
> -unregister_v4l2_dev:
> - v4l2_device_unregister(&rsdev->v4l2_dev);
> -exit:
> - return rval;
> -}
> -
> -/* radio_si4713_pdriver_remove - remove the device */
> -static int radio_si4713_pdriver_remove(struct platform_device *pdev)
> -{
> - struct v4l2_device *v4l2_dev = platform_get_drvdata(pdev);
> - struct v4l2_subdev *sd = list_entry(v4l2_dev->subdevs.next,
> - struct v4l2_subdev, list);
> - struct i2c_client *client = v4l2_get_subdevdata(sd);
> - struct radio_si4713_device *rsdev;
> -
> - rsdev = container_of(v4l2_dev, struct radio_si4713_device, v4l2_dev);
> - video_unregister_device(&rsdev->radio_dev);
> - i2c_put_adapter(client->adapter);
> - v4l2_device_unregister(&rsdev->v4l2_dev);
> -
> - return 0;
> -}
> -
> -static struct platform_driver radio_si4713_pdriver = {
> - .driver = {
> - .name = "radio-si4713",
> - .owner = THIS_MODULE,
> - },
> - .probe = radio_si4713_pdriver_probe,
> - .remove = radio_si4713_pdriver_remove,
> -};
> -
> -module_platform_driver(radio_si4713_pdriver);
> diff --git a/drivers/media/radio/si4713-i2c.c b/drivers/media/radio/si4713-i2c.c
> deleted file mode 100644
> index fe16088..0000000
> --- a/drivers/media/radio/si4713-i2c.c
> +++ /dev/null
> @@ -1,1532 +0,0 @@
> -/*
> - * drivers/media/radio/si4713-i2c.c
> - *
> - * Silicon Labs Si4713 FM Radio Transmitter I2C commands.
> - *
> - * Copyright (c) 2009 Nokia Corporation
> - * Contact: Eduardo Valentin <eduardo.valentin@xxxxxxxxx>
> - *
> - * This program is free software; you can redistribute it and/or modify
> - * it under the terms of the GNU General Public License as published by
> - * the Free Software Foundation; either version 2 of the License, or
> - * (at your option) any later version.
> - *
> - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
> - */
> -
> -#include <linux/completion.h>
> -#include <linux/delay.h>
> -#include <linux/interrupt.h>
> -#include <linux/i2c.h>
> -#include <linux/slab.h>
> -#include <linux/gpio.h>
> -#include <linux/regulator/consumer.h>
> -#include <linux/module.h>
> -#include <media/v4l2-device.h>
> -#include <media/v4l2-ioctl.h>
> -#include <media/v4l2-common.h>
> -
> -#include "si4713-i2c.h"
> -
> -/* module parameters */
> -static int debug;
> -module_param(debug, int, S_IRUGO | S_IWUSR);
> -MODULE_PARM_DESC(debug, "Debug level (0 - 2)");
> -
> -MODULE_LICENSE("GPL");
> -MODULE_AUTHOR("Eduardo Valentin <eduardo.valentin@xxxxxxxxx>");
> -MODULE_DESCRIPTION("I2C driver for Si4713 FM Radio Transmitter");
> -MODULE_VERSION("0.0.1");
> -
> -static const char *si4713_supply_names[SI4713_NUM_SUPPLIES] = {
> - "vio",
> - "vdd",
> -};
> -
> -#define DEFAULT_RDS_PI 0x00
> -#define DEFAULT_RDS_PTY 0x00
> -#define DEFAULT_RDS_DEVIATION 0x00C8
> -#define DEFAULT_RDS_PS_REPEAT_COUNT 0x0003
> -#define DEFAULT_LIMITER_RTIME 0x1392
> -#define DEFAULT_LIMITER_DEV 0x102CA
> -#define DEFAULT_PILOT_FREQUENCY 0x4A38
> -#define DEFAULT_PILOT_DEVIATION 0x1A5E
> -#define DEFAULT_ACOMP_ATIME 0x0000
> -#define DEFAULT_ACOMP_RTIME 0xF4240L
> -#define DEFAULT_ACOMP_GAIN 0x0F
> -#define DEFAULT_ACOMP_THRESHOLD (-0x28)
> -#define DEFAULT_MUTE 0x01
> -#define DEFAULT_POWER_LEVEL 88
> -#define DEFAULT_FREQUENCY 8800
> -#define DEFAULT_PREEMPHASIS FMPE_EU
> -#define DEFAULT_TUNE_RNL 0xFF
> -
> -#define to_si4713_device(sd) container_of(sd, struct si4713_device, sd)
> -
> -/* frequency domain transformation (using times 10 to avoid floats) */
> -#define FREQDEV_UNIT 100000
> -#define FREQV4L2_MULTI 625
> -#define si4713_to_v4l2(f) ((f * FREQDEV_UNIT) / FREQV4L2_MULTI)
> -#define v4l2_to_si4713(f) ((f * FREQV4L2_MULTI) / FREQDEV_UNIT)
> -#define FREQ_RANGE_LOW 7600
> -#define FREQ_RANGE_HIGH 10800
> -
> -#define MAX_ARGS 7
> -
> -#define RDS_BLOCK 8
> -#define RDS_BLOCK_CLEAR 0x03
> -#define RDS_BLOCK_LOAD 0x04
> -#define RDS_RADIOTEXT_2A 0x20
> -#define RDS_RADIOTEXT_BLK_SIZE 4
> -#define RDS_RADIOTEXT_INDEX_MAX 0x0F
> -#define RDS_CARRIAGE_RETURN 0x0D
> -
> -#define rds_ps_nblocks(len) ((len / RDS_BLOCK) + (len % RDS_BLOCK ? 1 : 0))
> -
> -#define get_status_bit(p, b, m) (((p) & (m)) >> (b))
> -#define set_bits(p, v, b, m) (((p) & ~(m)) | ((v) << (b)))
> -
> -#define ATTACK_TIME_UNIT 500
> -
> -#define POWER_OFF 0x00
> -#define POWER_ON 0x01
> -
> -#define msb(x) ((u8)((u16) x >> 8))
> -#define lsb(x) ((u8)((u16) x & 0x00FF))
> -#define compose_u16(msb, lsb) (((u16)msb << 8) | lsb)
> -#define check_command_failed(status) (!(status & SI4713_CTS) || \
> - (status & SI4713_ERR))
> -/* mute definition */
> -#define set_mute(p) ((p & 1) | ((p & 1) << 1));
> -
> -#ifdef DEBUG
> -#define DBG_BUFFER(device, message, buffer, size) \
> - { \
> - int i; \
> - char str[(size)*5]; \
> - for (i = 0; i < size; i++) \
> - sprintf(str + i * 5, " 0x%02x", buffer[i]); \
> - v4l2_dbg(2, debug, device, "%s:%s\n", message, str); \
> - }
> -#else
> -#define DBG_BUFFER(device, message, buffer, size)
> -#endif
> -
> -/*
> - * Values for limiter release time (sorted by second column)
> - * device release
> - * value time (us)
> - */
> -static long limiter_times[] = {
> - 2000, 250,
> - 1000, 500,
> - 510, 1000,
> - 255, 2000,
> - 170, 3000,
> - 127, 4020,
> - 102, 5010,
> - 85, 6020,
> - 73, 7010,
> - 64, 7990,
> - 57, 8970,
> - 51, 10030,
> - 25, 20470,
> - 17, 30110,
> - 13, 39380,
> - 10, 51190,
> - 8, 63690,
> - 7, 73140,
> - 6, 85330,
> - 5, 102390,
> -};
> -
> -/*
> - * Values for audio compression release time (sorted by second column)
> - * device release
> - * value time (us)
> - */
> -static unsigned long acomp_rtimes[] = {
> - 0, 100000,
> - 1, 200000,
> - 2, 350000,
> - 3, 525000,
> - 4, 1000000,
> -};
> -
> -/*
> - * Values for preemphasis (sorted by second column)
> - * device preemphasis
> - * value value (v4l2)
> - */
> -static unsigned long preemphasis_values[] = {
> - FMPE_DISABLED, V4L2_PREEMPHASIS_DISABLED,
> - FMPE_EU, V4L2_PREEMPHASIS_50_uS,
> - FMPE_USA, V4L2_PREEMPHASIS_75_uS,
> -};
> -
> -static int usecs_to_dev(unsigned long usecs, unsigned long const array[],
> - int size)
> -{
> - int i;
> - int rval = -EINVAL;
> -
> - for (i = 0; i < size / 2; i++)
> - if (array[(i * 2) + 1] >= usecs) {
> - rval = array[i * 2];
> - break;
> - }
> -
> - return rval;
> -}
> -
> -/* si4713_handler: IRQ handler, just complete work */
> -static irqreturn_t si4713_handler(int irq, void *dev)
> -{
> - struct si4713_device *sdev = dev;
> -
> - v4l2_dbg(2, debug, &sdev->sd,
> - "%s: sending signal to completion work.\n", __func__);
> - complete(&sdev->work);
> -
> - return IRQ_HANDLED;
> -}
> -
> -/*
> - * si4713_send_command - sends a command to si4713 and waits its response
> - * @sdev: si4713_device structure for the device we are communicating
> - * @command: command id
> - * @args: command arguments we are sending (up to 7)
> - * @argn: actual size of @args
> - * @response: buffer to place the expected response from the device (up to 15)
> - * @respn: actual size of @response
> - * @usecs: amount of time to wait before reading the response (in usecs)
> - */
> -static int si4713_send_command(struct si4713_device *sdev, const u8 command,
> - const u8 args[], const int argn,
> - u8 response[], const int respn, const int usecs)
> -{
> - struct i2c_client *client = v4l2_get_subdevdata(&sdev->sd);
> - u8 data1[MAX_ARGS + 1];
> - int err;
> -
> - if (!client->adapter)
> - return -ENODEV;
> -
> - /* First send the command and its arguments */
> - data1[0] = command;
> - memcpy(data1 + 1, args, argn);
> - DBG_BUFFER(&sdev->sd, "Parameters", data1, argn + 1);
> -
> - err = i2c_master_send(client, data1, argn + 1);
> - if (err != argn + 1) {
> - v4l2_err(&sdev->sd, "Error while sending command 0x%02x\n",
> - command);
> - return (err > 0) ? -EIO : err;
> - }
> -
> - /* Wait response from interrupt */
> - if (!wait_for_completion_timeout(&sdev->work,
> - usecs_to_jiffies(usecs) + 1))
> - v4l2_warn(&sdev->sd,
> - "(%s) Device took too much time to answer.\n",
> - __func__);
> -
> - /* Then get the response */
> - err = i2c_master_recv(client, response, respn);
> - if (err != respn) {
> - v4l2_err(&sdev->sd,
> - "Error while reading response for command 0x%02x\n",
> - command);
> - return (err > 0) ? -EIO : err;
> - }
> -
> - DBG_BUFFER(&sdev->sd, "Response", response, respn);
> - if (check_command_failed(response[0]))
> - return -EBUSY;
> -
> - return 0;
> -}
> -
> -/*
> - * si4713_read_property - reads a si4713 property
> - * @sdev: si4713_device structure for the device we are communicating
> - * @prop: property identification number
> - * @pv: property value to be returned on success
> - */
> -static int si4713_read_property(struct si4713_device *sdev, u16 prop, u32 *pv)
> -{
> - int err;
> - u8 val[SI4713_GET_PROP_NRESP];
> - /*
> - * .First byte = 0
> - * .Second byte = property's MSB
> - * .Third byte = property's LSB
> - */
> - const u8 args[SI4713_GET_PROP_NARGS] = {
> - 0x00,
> - msb(prop),
> - lsb(prop),
> - };
> -
> - err = si4713_send_command(sdev, SI4713_CMD_GET_PROPERTY,
> - args, ARRAY_SIZE(args), val,
> - ARRAY_SIZE(val), DEFAULT_TIMEOUT);
> -
> - if (err < 0)
> - return err;
> -
> - *pv = compose_u16(val[2], val[3]);
> -
> - v4l2_dbg(1, debug, &sdev->sd,
> - "%s: property=0x%02x value=0x%02x status=0x%02x\n",
> - __func__, prop, *pv, val[0]);
> -
> - return err;
> -}
> -
> -/*
> - * si4713_write_property - modifies a si4713 property
> - * @sdev: si4713_device structure for the device we are communicating
> - * @prop: property identification number
> - * @val: new value for that property
> - */
> -static int si4713_write_property(struct si4713_device *sdev, u16 prop, u16 val)
> -{
> - int rval;
> - u8 resp[SI4713_SET_PROP_NRESP];
> - /*
> - * .First byte = 0
> - * .Second byte = property's MSB
> - * .Third byte = property's LSB
> - * .Fourth byte = value's MSB
> - * .Fifth byte = value's LSB
> - */
> - const u8 args[SI4713_SET_PROP_NARGS] = {
> - 0x00,
> - msb(prop),
> - lsb(prop),
> - msb(val),
> - lsb(val),
> - };
> -
> - rval = si4713_send_command(sdev, SI4713_CMD_SET_PROPERTY,
> - args, ARRAY_SIZE(args),
> - resp, ARRAY_SIZE(resp),
> - DEFAULT_TIMEOUT);
> -
> - if (rval < 0)
> - return rval;
> -
> - v4l2_dbg(1, debug, &sdev->sd,
> - "%s: property=0x%02x value=0x%02x status=0x%02x\n",
> - __func__, prop, val, resp[0]);
> -
> - /*
> - * As there is no command response for SET_PROPERTY,
> - * wait Tcomp time to finish before proceed, in order
> - * to have property properly set.
> - */
> - msleep(TIMEOUT_SET_PROPERTY);
> -
> - return rval;
> -}
> -
> -/*
> - * si4713_powerup - Powers the device up
> - * @sdev: si4713_device structure for the device we are communicating
> - */
> -static int si4713_powerup(struct si4713_device *sdev)
> -{
> - int err;
> - u8 resp[SI4713_PWUP_NRESP];
> - /*
> - * .First byte = Enabled interrupts and boot function
> - * .Second byte = Input operation mode
> - */
> - const u8 args[SI4713_PWUP_NARGS] = {
> - SI4713_PWUP_CTSIEN | SI4713_PWUP_GPO2OEN | SI4713_PWUP_FUNC_TX,
> - SI4713_PWUP_OPMOD_ANALOG,
> - };
> -
> - if (sdev->power_state)
> - return 0;
> -
> - err = regulator_bulk_enable(ARRAY_SIZE(sdev->supplies),
> - sdev->supplies);
> - if (err) {
> - v4l2_err(&sdev->sd, "Failed to enable supplies: %d\n", err);
> - return err;
> - }
> - if (gpio_is_valid(sdev->gpio_reset)) {
> - udelay(50);
> - gpio_set_value(sdev->gpio_reset, 1);
> - }
> -
> - err = si4713_send_command(sdev, SI4713_CMD_POWER_UP,
> - args, ARRAY_SIZE(args),
> - resp, ARRAY_SIZE(resp),
> - TIMEOUT_POWER_UP);
> -
> - if (!err) {
> - v4l2_dbg(1, debug, &sdev->sd, "Powerup response: 0x%02x\n",
> - resp[0]);
> - v4l2_dbg(1, debug, &sdev->sd, "Device in power up mode\n");
> - sdev->power_state = POWER_ON;
> -
> - err = si4713_write_property(sdev, SI4713_GPO_IEN,
> - SI4713_STC_INT | SI4713_CTS);
> - } else {
> - if (gpio_is_valid(sdev->gpio_reset))
> - gpio_set_value(sdev->gpio_reset, 0);
> - err = regulator_bulk_disable(ARRAY_SIZE(sdev->supplies),
> - sdev->supplies);
> - if (err)
> - v4l2_err(&sdev->sd,
> - "Failed to disable supplies: %d\n", err);
> - }
> -
> - return err;
> -}
> -
> -/*
> - * si4713_powerdown - Powers the device down
> - * @sdev: si4713_device structure for the device we are communicating
> - */
> -static int si4713_powerdown(struct si4713_device *sdev)
> -{
> - int err;
> - u8 resp[SI4713_PWDN_NRESP];
> -
> - if (!sdev->power_state)
> - return 0;
> -
> - err = si4713_send_command(sdev, SI4713_CMD_POWER_DOWN,
> - NULL, 0,
> - resp, ARRAY_SIZE(resp),
> - DEFAULT_TIMEOUT);
> -
> - if (!err) {
> - v4l2_dbg(1, debug, &sdev->sd, "Power down response: 0x%02x\n",
> - resp[0]);
> - v4l2_dbg(1, debug, &sdev->sd, "Device in reset mode\n");
> - if (gpio_is_valid(sdev->gpio_reset))
> - gpio_set_value(sdev->gpio_reset, 0);
> - err = regulator_bulk_disable(ARRAY_SIZE(sdev->supplies),
> - sdev->supplies);
> - if (err)
> - v4l2_err(&sdev->sd,
> - "Failed to disable supplies: %d\n", err);
> - sdev->power_state = POWER_OFF;
> - }
> -
> - return err;
> -}
> -
> -/*
> - * si4713_checkrev - Checks if we are treating a device with the correct rev.
> - * @sdev: si4713_device structure for the device we are communicating
> - */
> -static int si4713_checkrev(struct si4713_device *sdev)
> -{
> - struct i2c_client *client = v4l2_get_subdevdata(&sdev->sd);
> - int rval;
> - u8 resp[SI4713_GETREV_NRESP];
> -
> - rval = si4713_send_command(sdev, SI4713_CMD_GET_REV,
> - NULL, 0,
> - resp, ARRAY_SIZE(resp),
> - DEFAULT_TIMEOUT);
> -
> - if (rval < 0)
> - return rval;
> -
> - if (resp[1] == SI4713_PRODUCT_NUMBER) {
> - v4l2_info(&sdev->sd, "chip found @ 0x%02x (%s)\n",
> - client->addr << 1, client->adapter->name);
> - } else {
> - v4l2_err(&sdev->sd, "Invalid product number\n");
> - rval = -EINVAL;
> - }
> - return rval;
> -}
> -
> -/*
> - * si4713_wait_stc - Waits STC interrupt and clears status bits. Useful
> - * for TX_TUNE_POWER, TX_TUNE_FREQ and TX_TUNE_MEAS
> - * @sdev: si4713_device structure for the device we are communicating
> - * @usecs: timeout to wait for STC interrupt signal
> - */
> -static int si4713_wait_stc(struct si4713_device *sdev, const int usecs)
> -{
> - int err;
> - u8 resp[SI4713_GET_STATUS_NRESP];
> -
> - /* Wait response from STC interrupt */
> - if (!wait_for_completion_timeout(&sdev->work,
> - usecs_to_jiffies(usecs) + 1))
> - v4l2_warn(&sdev->sd,
> - "%s: device took too much time to answer (%d usec).\n",
> - __func__, usecs);
> -
> - /* Clear status bits */
> - err = si4713_send_command(sdev, SI4713_CMD_GET_INT_STATUS,
> - NULL, 0,
> - resp, ARRAY_SIZE(resp),
> - DEFAULT_TIMEOUT);
> -
> - if (err < 0)
> - goto exit;
> -
> - v4l2_dbg(1, debug, &sdev->sd,
> - "%s: status bits: 0x%02x\n", __func__, resp[0]);
> -
> - if (!(resp[0] & SI4713_STC_INT))
> - err = -EIO;
> -
> -exit:
> - return err;
> -}
> -
> -/*
> - * si4713_tx_tune_freq - Sets the state of the RF carrier and sets the tuning
> - * frequency between 76 and 108 MHz in 10 kHz units and
> - * steps of 50 kHz.
> - * @sdev: si4713_device structure for the device we are communicating
> - * @frequency: desired frequency (76 - 108 MHz, unit 10 KHz, step 50 kHz)
> - */
> -static int si4713_tx_tune_freq(struct si4713_device *sdev, u16 frequency)
> -{
> - int err;
> - u8 val[SI4713_TXFREQ_NRESP];
> - /*
> - * .First byte = 0
> - * .Second byte = frequency's MSB
> - * .Third byte = frequency's LSB
> - */
> - const u8 args[SI4713_TXFREQ_NARGS] = {
> - 0x00,
> - msb(frequency),
> - lsb(frequency),
> - };
> -
> - err = si4713_send_command(sdev, SI4713_CMD_TX_TUNE_FREQ,
> - args, ARRAY_SIZE(args), val,
> - ARRAY_SIZE(val), DEFAULT_TIMEOUT);
> -
> - if (err < 0)
> - return err;
> -
> - v4l2_dbg(1, debug, &sdev->sd,
> - "%s: frequency=0x%02x status=0x%02x\n", __func__,
> - frequency, val[0]);
> -
> - err = si4713_wait_stc(sdev, TIMEOUT_TX_TUNE);
> - if (err < 0)
> - return err;
> -
> - return compose_u16(args[1], args[2]);
> -}
> -
> -/*
> - * si4713_tx_tune_power - Sets the RF voltage level between 88 and 115 dBuV in
> - * 1 dB units. A value of 0x00 indicates off. The command
> - * also sets the antenna tuning capacitance. A value of 0
> - * indicates autotuning, and a value of 1 - 191 indicates
> - * a manual override, which results in a tuning
> - * capacitance of 0.25 pF x @antcap.
> - * @sdev: si4713_device structure for the device we are communicating
> - * @power: tuning power (88 - 115 dBuV, unit/step 1 dB)
> - * @antcap: value of antenna tuning capacitor (0 - 191)
> - */
> -static int si4713_tx_tune_power(struct si4713_device *sdev, u8 power,
> - u8 antcap)
> -{
> - int err;
> - u8 val[SI4713_TXPWR_NRESP];
> - /*
> - * .First byte = 0
> - * .Second byte = 0
> - * .Third byte = power
> - * .Fourth byte = antcap
> - */
> - const u8 args[SI4713_TXPWR_NARGS] = {
> - 0x00,
> - 0x00,
> - power,
> - antcap,
> - };
> -
> - if (((power > 0) && (power < SI4713_MIN_POWER)) ||
> - power > SI4713_MAX_POWER || antcap > SI4713_MAX_ANTCAP)
> - return -EDOM;
> -
> - err = si4713_send_command(sdev, SI4713_CMD_TX_TUNE_POWER,
> - args, ARRAY_SIZE(args), val,
> - ARRAY_SIZE(val), DEFAULT_TIMEOUT);
> -
> - if (err < 0)
> - return err;
> -
> - v4l2_dbg(1, debug, &sdev->sd,
> - "%s: power=0x%02x antcap=0x%02x status=0x%02x\n",
> - __func__, power, antcap, val[0]);
> -
> - return si4713_wait_stc(sdev, TIMEOUT_TX_TUNE_POWER);
> -}
> -
> -/*
> - * si4713_tx_tune_measure - Enters receive mode and measures the received noise
> - * level in units of dBuV on the selected frequency.
> - * The Frequency must be between 76 and 108 MHz in 10 kHz
> - * units and steps of 50 kHz. The command also sets the
> - * antenna tuning capacitance. A value of 0 means
> - * autotuning, and a value of 1 to 191 indicates manual
> - * override.
> - * @sdev: si4713_device structure for the device we are communicating
> - * @frequency: desired frequency (76 - 108 MHz, unit 10 KHz, step 50 kHz)
> - * @antcap: value of antenna tuning capacitor (0 - 191)
> - */
> -static int si4713_tx_tune_measure(struct si4713_device *sdev, u16 frequency,
> - u8 antcap)
> -{
> - int err;
> - u8 val[SI4713_TXMEA_NRESP];
> - /*
> - * .First byte = 0
> - * .Second byte = frequency's MSB
> - * .Third byte = frequency's LSB
> - * .Fourth byte = antcap
> - */
> - const u8 args[SI4713_TXMEA_NARGS] = {
> - 0x00,
> - msb(frequency),
> - lsb(frequency),
> - antcap,
> - };
> -
> - sdev->tune_rnl = DEFAULT_TUNE_RNL;
> -
> - if (antcap > SI4713_MAX_ANTCAP)
> - return -EDOM;
> -
> - err = si4713_send_command(sdev, SI4713_CMD_TX_TUNE_MEASURE,
> - args, ARRAY_SIZE(args), val,
> - ARRAY_SIZE(val), DEFAULT_TIMEOUT);
> -
> - if (err < 0)
> - return err;
> -
> - v4l2_dbg(1, debug, &sdev->sd,
> - "%s: frequency=0x%02x antcap=0x%02x status=0x%02x\n",
> - __func__, frequency, antcap, val[0]);
> -
> - return si4713_wait_stc(sdev, TIMEOUT_TX_TUNE);
> -}
> -
> -/*
> - * si4713_tx_tune_status- Returns the status of the tx_tune_freq, tx_tune_mea or
> - * tx_tune_power commands. This command return the current
> - * frequency, output voltage in dBuV, the antenna tunning
> - * capacitance value and the received noise level. The
> - * command also clears the stcint interrupt bit when the
> - * first bit of its arguments is high.
> - * @sdev: si4713_device structure for the device we are communicating
> - * @intack: 0x01 to clear the seek/tune complete interrupt status indicator.
> - * @frequency: returned frequency
> - * @power: returned power
> - * @antcap: returned antenna capacitance
> - * @noise: returned noise level
> - */
> -static int si4713_tx_tune_status(struct si4713_device *sdev, u8 intack,
> - u16 *frequency, u8 *power,
> - u8 *antcap, u8 *noise)
> -{
> - int err;
> - u8 val[SI4713_TXSTATUS_NRESP];
> - /*
> - * .First byte = intack bit
> - */
> - const u8 args[SI4713_TXSTATUS_NARGS] = {
> - intack & SI4713_INTACK_MASK,
> - };
> -
> - err = si4713_send_command(sdev, SI4713_CMD_TX_TUNE_STATUS,
> - args, ARRAY_SIZE(args), val,
> - ARRAY_SIZE(val), DEFAULT_TIMEOUT);
> -
> - if (!err) {
> - v4l2_dbg(1, debug, &sdev->sd,
> - "%s: status=0x%02x\n", __func__, val[0]);
> - *frequency = compose_u16(val[2], val[3]);
> - sdev->frequency = *frequency;
> - *power = val[5];
> - *antcap = val[6];
> - *noise = val[7];
> - v4l2_dbg(1, debug, &sdev->sd, "%s: response: %d x 10 kHz "
> - "(power %d, antcap %d, rnl %d)\n", __func__,
> - *frequency, *power, *antcap, *noise);
> - }
> -
> - return err;
> -}
> -
> -/*
> - * si4713_tx_rds_buff - Loads the RDS group buffer FIFO or circular buffer.
> - * @sdev: si4713_device structure for the device we are communicating
> - * @mode: the buffer operation mode.
> - * @rdsb: RDS Block B
> - * @rdsc: RDS Block C
> - * @rdsd: RDS Block D
> - * @cbleft: returns the number of available circular buffer blocks minus the
> - * number of used circular buffer blocks.
> - */
> -static int si4713_tx_rds_buff(struct si4713_device *sdev, u8 mode, u16 rdsb,
> - u16 rdsc, u16 rdsd, s8 *cbleft)
> -{
> - int err;
> - u8 val[SI4713_RDSBUFF_NRESP];
> -
> - const u8 args[SI4713_RDSBUFF_NARGS] = {
> - mode & SI4713_RDSBUFF_MODE_MASK,
> - msb(rdsb),
> - lsb(rdsb),
> - msb(rdsc),
> - lsb(rdsc),
> - msb(rdsd),
> - lsb(rdsd),
> - };
> -
> - err = si4713_send_command(sdev, SI4713_CMD_TX_RDS_BUFF,
> - args, ARRAY_SIZE(args), val,
> - ARRAY_SIZE(val), DEFAULT_TIMEOUT);
> -
> - if (!err) {
> - v4l2_dbg(1, debug, &sdev->sd,
> - "%s: status=0x%02x\n", __func__, val[0]);
> - *cbleft = (s8)val[2] - val[3];
> - v4l2_dbg(1, debug, &sdev->sd, "%s: response: interrupts"
> - " 0x%02x cb avail: %d cb used %d fifo avail"
> - " %d fifo used %d\n", __func__, val[1],
> - val[2], val[3], val[4], val[5]);
> - }
> -
> - return err;
> -}
> -
> -/*
> - * si4713_tx_rds_ps - Loads the program service buffer.
> - * @sdev: si4713_device structure for the device we are communicating
> - * @psid: program service id to be loaded.
> - * @pschar: assumed 4 size char array to be loaded into the program service
> - */
> -static int si4713_tx_rds_ps(struct si4713_device *sdev, u8 psid,
> - unsigned char *pschar)
> -{
> - int err;
> - u8 val[SI4713_RDSPS_NRESP];
> -
> - const u8 args[SI4713_RDSPS_NARGS] = {
> - psid & SI4713_RDSPS_PSID_MASK,
> - pschar[0],
> - pschar[1],
> - pschar[2],
> - pschar[3],
> - };
> -
> - err = si4713_send_command(sdev, SI4713_CMD_TX_RDS_PS,
> - args, ARRAY_SIZE(args), val,
> - ARRAY_SIZE(val), DEFAULT_TIMEOUT);
> -
> - if (err < 0)
> - return err;
> -
> - v4l2_dbg(1, debug, &sdev->sd, "%s: status=0x%02x\n", __func__, val[0]);
> -
> - return err;
> -}
> -
> -static int si4713_set_power_state(struct si4713_device *sdev, u8 value)
> -{
> - if (value)
> - return si4713_powerup(sdev);
> - return si4713_powerdown(sdev);
> -}
> -
> -static int si4713_set_mute(struct si4713_device *sdev, u16 mute)
> -{
> - int rval = 0;
> -
> - mute = set_mute(mute);
> -
> - if (sdev->power_state)
> - rval = si4713_write_property(sdev,
> - SI4713_TX_LINE_INPUT_MUTE, mute);
> -
> - return rval;
> -}
> -
> -static int si4713_set_rds_ps_name(struct si4713_device *sdev, char *ps_name)
> -{
> - int rval = 0, i;
> - u8 len = 0;
> -
> - /* We want to clear the whole thing */
> - if (!strlen(ps_name))
> - memset(ps_name, 0, MAX_RDS_PS_NAME + 1);
> -
> - if (sdev->power_state) {
> - /* Write the new ps name and clear the padding */
> - for (i = 0; i < MAX_RDS_PS_NAME; i += (RDS_BLOCK / 2)) {
> - rval = si4713_tx_rds_ps(sdev, (i / (RDS_BLOCK / 2)),
> - ps_name + i);
> - if (rval < 0)
> - return rval;
> - }
> -
> - /* Setup the size to be sent */
> - if (strlen(ps_name))
> - len = strlen(ps_name) - 1;
> - else
> - len = 1;
> -
> - rval = si4713_write_property(sdev,
> - SI4713_TX_RDS_PS_MESSAGE_COUNT,
> - rds_ps_nblocks(len));
> - if (rval < 0)
> - return rval;
> -
> - rval = si4713_write_property(sdev,
> - SI4713_TX_RDS_PS_REPEAT_COUNT,
> - DEFAULT_RDS_PS_REPEAT_COUNT * 2);
> - if (rval < 0)
> - return rval;
> - }
> -
> - return rval;
> -}
> -
> -static int si4713_set_rds_radio_text(struct si4713_device *sdev, char *rt)
> -{
> - int rval = 0, i;
> - u16 t_index = 0;
> - u8 b_index = 0, cr_inserted = 0;
> - s8 left;
> -
> - if (!sdev->power_state)
> - return rval;
> -
> - rval = si4713_tx_rds_buff(sdev, RDS_BLOCK_CLEAR, 0, 0, 0, &left);
> - if (rval < 0)
> - return rval;
> -
> - if (!strlen(rt))
> - return rval;
> -
> - do {
> - /* RDS spec says that if the last block isn't used,
> - * then apply a carriage return
> - */
> - if (t_index < (RDS_RADIOTEXT_INDEX_MAX * RDS_RADIOTEXT_BLK_SIZE)) {
> - for (i = 0; i < RDS_RADIOTEXT_BLK_SIZE; i++) {
> - if (!rt[t_index + i] ||
> - rt[t_index + i] == RDS_CARRIAGE_RETURN) {
> - rt[t_index + i] = RDS_CARRIAGE_RETURN;
> - cr_inserted = 1;
> - break;
> - }
> - }
> - }
> -
> - rval = si4713_tx_rds_buff(sdev, RDS_BLOCK_LOAD,
> - compose_u16(RDS_RADIOTEXT_2A, b_index++),
> - compose_u16(rt[t_index], rt[t_index + 1]),
> - compose_u16(rt[t_index + 2], rt[t_index + 3]),
> - &left);
> - if (rval < 0)
> - return rval;
> -
> - t_index += RDS_RADIOTEXT_BLK_SIZE;
> -
> - if (cr_inserted)
> - break;
> - } while (left > 0);
> -
> - return rval;
> -}
> -
> -/*
> - * si4713_update_tune_status - update properties from tx_tune_status
> - * command. Must be called with sdev->mutex held.
> - * @sdev: si4713_device structure for the device we are communicating
> - */
> -static int si4713_update_tune_status(struct si4713_device *sdev)
> -{
> - int rval;
> - u16 f = 0;
> - u8 p = 0, a = 0, n = 0;
> -
> - rval = si4713_tx_tune_status(sdev, 0x00, &f, &p, &a, &n);
> -
> - if (rval < 0)
> - goto exit;
> -
> -/* TODO: check that power_level and antenna_capacitor really are not
> - changed by the hardware. If they are, then these controls should become
> - volatiles.
> - sdev->power_level = p;
> - sdev->antenna_capacitor = a;*/
> - sdev->tune_rnl = n;
> -
> -exit:
> - return rval;
> -}
> -
> -static int si4713_choose_econtrol_action(struct si4713_device *sdev, u32 id,
> - s32 *bit, s32 *mask, u16 *property, int *mul,
> - unsigned long **table, int *size)
> -{
> - s32 rval = 0;
> -
> - switch (id) {
> - /* FM_TX class controls */
> - case V4L2_CID_RDS_TX_PI:
> - *property = SI4713_TX_RDS_PI;
> - *mul = 1;
> - break;
> - case V4L2_CID_AUDIO_COMPRESSION_THRESHOLD:
> - *property = SI4713_TX_ACOMP_THRESHOLD;
> - *mul = 1;
> - break;
> - case V4L2_CID_AUDIO_COMPRESSION_GAIN:
> - *property = SI4713_TX_ACOMP_GAIN;
> - *mul = 1;
> - break;
> - case V4L2_CID_PILOT_TONE_FREQUENCY:
> - *property = SI4713_TX_PILOT_FREQUENCY;
> - *mul = 1;
> - break;
> - case V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME:
> - *property = SI4713_TX_ACOMP_ATTACK_TIME;
> - *mul = ATTACK_TIME_UNIT;
> - break;
> - case V4L2_CID_PILOT_TONE_DEVIATION:
> - *property = SI4713_TX_PILOT_DEVIATION;
> - *mul = 10;
> - break;
> - case V4L2_CID_AUDIO_LIMITER_DEVIATION:
> - *property = SI4713_TX_AUDIO_DEVIATION;
> - *mul = 10;
> - break;
> - case V4L2_CID_RDS_TX_DEVIATION:
> - *property = SI4713_TX_RDS_DEVIATION;
> - *mul = 1;
> - break;
> -
> - case V4L2_CID_RDS_TX_PTY:
> - *property = SI4713_TX_RDS_PS_MISC;
> - *bit = 5;
> - *mask = 0x1F << 5;
> - break;
> - case V4L2_CID_AUDIO_LIMITER_ENABLED:
> - *property = SI4713_TX_ACOMP_ENABLE;
> - *bit = 1;
> - *mask = 1 << 1;
> - break;
> - case V4L2_CID_AUDIO_COMPRESSION_ENABLED:
> - *property = SI4713_TX_ACOMP_ENABLE;
> - *bit = 0;
> - *mask = 1 << 0;
> - break;
> - case V4L2_CID_PILOT_TONE_ENABLED:
> - *property = SI4713_TX_COMPONENT_ENABLE;
> - *bit = 0;
> - *mask = 1 << 0;
> - break;
> -
> - case V4L2_CID_AUDIO_LIMITER_RELEASE_TIME:
> - *property = SI4713_TX_LIMITER_RELEASE_TIME;
> - *table = limiter_times;
> - *size = ARRAY_SIZE(limiter_times);
> - break;
> - case V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME:
> - *property = SI4713_TX_ACOMP_RELEASE_TIME;
> - *table = acomp_rtimes;
> - *size = ARRAY_SIZE(acomp_rtimes);
> - break;
> - case V4L2_CID_TUNE_PREEMPHASIS:
> - *property = SI4713_TX_PREEMPHASIS;
> - *table = preemphasis_values;
> - *size = ARRAY_SIZE(preemphasis_values);
> - break;
> -
> - default:
> - rval = -EINVAL;
> - break;
> - }
> -
> - return rval;
> -}
> -
> -static int si4713_s_frequency(struct v4l2_subdev *sd, const struct v4l2_frequency *f);
> -static int si4713_s_modulator(struct v4l2_subdev *sd, const struct v4l2_modulator *);
> -/*
> - * si4713_setup - Sets the device up with current configuration.
> - * @sdev: si4713_device structure for the device we are communicating
> - */
> -static int si4713_setup(struct si4713_device *sdev)
> -{
> - struct v4l2_frequency f;
> - struct v4l2_modulator vm;
> - int rval;
> -
> - /* Device procedure needs to set frequency first */
> - f.tuner = 0;
> - f.frequency = sdev->frequency ? sdev->frequency : DEFAULT_FREQUENCY;
> - f.frequency = si4713_to_v4l2(f.frequency);
> - rval = si4713_s_frequency(&sdev->sd, &f);
> -
> - vm.index = 0;
> - if (sdev->stereo)
> - vm.txsubchans = V4L2_TUNER_SUB_STEREO;
> - else
> - vm.txsubchans = V4L2_TUNER_SUB_MONO;
> - if (sdev->rds_enabled)
> - vm.txsubchans |= V4L2_TUNER_SUB_RDS;
> - si4713_s_modulator(&sdev->sd, &vm);
> -
> - return rval;
> -}
> -
> -/*
> - * si4713_initialize - Sets the device up with default configuration.
> - * @sdev: si4713_device structure for the device we are communicating
> - */
> -static int si4713_initialize(struct si4713_device *sdev)
> -{
> - int rval;
> -
> - rval = si4713_set_power_state(sdev, POWER_ON);
> - if (rval < 0)
> - return rval;
> -
> - rval = si4713_checkrev(sdev);
> - if (rval < 0)
> - return rval;
> -
> - rval = si4713_set_power_state(sdev, POWER_OFF);
> - if (rval < 0)
> - return rval;
> -
> -
> - sdev->frequency = DEFAULT_FREQUENCY;
> - sdev->stereo = 1;
> - sdev->tune_rnl = DEFAULT_TUNE_RNL;
> - return 0;
> -}
> -
> -/* si4713_s_ctrl - set the value of a control */
> -static int si4713_s_ctrl(struct v4l2_ctrl *ctrl)
> -{
> - struct si4713_device *sdev =
> - container_of(ctrl->handler, struct si4713_device, ctrl_handler);
> - u32 val = 0;
> - s32 bit = 0, mask = 0;
> - u16 property = 0;
> - int mul = 0;
> - unsigned long *table = NULL;
> - int size = 0;
> - bool force = false;
> - int c;
> - int ret = 0;
> -
> - if (ctrl->id != V4L2_CID_AUDIO_MUTE)
> - return -EINVAL;
> - if (ctrl->is_new) {
> - if (ctrl->val) {
> - ret = si4713_set_mute(sdev, ctrl->val);
> - if (!ret)
> - ret = si4713_set_power_state(sdev, POWER_DOWN);
> - return ret;
> - }
> - ret = si4713_set_power_state(sdev, POWER_UP);
> - if (!ret)
> - ret = si4713_set_mute(sdev, ctrl->val);
> - if (!ret)
> - ret = si4713_setup(sdev);
> - if (ret)
> - return ret;
> - force = true;
> - }
> -
> - if (!sdev->power_state)
> - return 0;
> -
> - for (c = 1; !ret && c < ctrl->ncontrols; c++) {
> - ctrl = ctrl->cluster[c];
> -
> - if (!force && !ctrl->is_new)
> - continue;
> -
> - switch (ctrl->id) {
> - case V4L2_CID_RDS_TX_PS_NAME:
> - ret = si4713_set_rds_ps_name(sdev, ctrl->string);
> - break;
> -
> - case V4L2_CID_RDS_TX_RADIO_TEXT:
> - ret = si4713_set_rds_radio_text(sdev, ctrl->string);
> - break;
> -
> - case V4L2_CID_TUNE_ANTENNA_CAPACITOR:
> - /* don't handle this control if we force setting all
> - * controls since in that case it will be handled by
> - * V4L2_CID_TUNE_POWER_LEVEL. */
> - if (force)
> - break;
> - /* fall through */
> - case V4L2_CID_TUNE_POWER_LEVEL:
> - ret = si4713_tx_tune_power(sdev,
> - sdev->tune_pwr_level->val, sdev->tune_ant_cap->val);
> - if (!ret) {
> - /* Make sure we don't set this twice */
> - sdev->tune_ant_cap->is_new = false;
> - sdev->tune_pwr_level->is_new = false;
> - }
> - break;
> -
> - default:
> - ret = si4713_choose_econtrol_action(sdev, ctrl->id, &bit,
> - &mask, &property, &mul, &table, &size);
> - if (ret < 0)
> - break;
> -
> - val = ctrl->val;
> - if (mul) {
> - val = val / mul;
> - } else if (table) {
> - ret = usecs_to_dev(val, table, size);
> - if (ret < 0)
> - break;
> - val = ret;
> - ret = 0;
> - }
> -
> - if (mask) {
> - ret = si4713_read_property(sdev, property, &val);
> - if (ret < 0)
> - break;
> - val = set_bits(val, ctrl->val, bit, mask);
> - }
> -
> - ret = si4713_write_property(sdev, property, val);
> - if (ret < 0)
> - break;
> - if (mask)
> - val = ctrl->val;
> - break;
> - }
> - }
> -
> - return ret;
> -}
> -
> -/* si4713_ioctl - deal with private ioctls (only rnl for now) */
> -static long si4713_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
> -{
> - struct si4713_device *sdev = to_si4713_device(sd);
> - struct si4713_rnl *rnl = arg;
> - u16 frequency;
> - int rval = 0;
> -
> - if (!arg)
> - return -EINVAL;
> -
> - switch (cmd) {
> - case SI4713_IOC_MEASURE_RNL:
> - frequency = v4l2_to_si4713(rnl->frequency);
> -
> - if (sdev->power_state) {
> - /* Set desired measurement frequency */
> - rval = si4713_tx_tune_measure(sdev, frequency, 0);
> - if (rval < 0)
> - return rval;
> - /* get results from tune status */
> - rval = si4713_update_tune_status(sdev);
> - if (rval < 0)
> - return rval;
> - }
> - rnl->rnl = sdev->tune_rnl;
> - break;
> -
> - default:
> - /* nothing */
> - rval = -ENOIOCTLCMD;
> - }
> -
> - return rval;
> -}
> -
> -/* si4713_g_modulator - get modulator attributes */
> -static int si4713_g_modulator(struct v4l2_subdev *sd, struct v4l2_modulator *vm)
> -{
> - struct si4713_device *sdev = to_si4713_device(sd);
> - int rval = 0;
> -
> - if (!sdev)
> - return -ENODEV;
> -
> - if (vm->index > 0)
> - return -EINVAL;
> -
> - strncpy(vm->name, "FM Modulator", 32);
> - vm->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LOW |
> - V4L2_TUNER_CAP_RDS | V4L2_TUNER_CAP_RDS_CONTROLS;
> -
> - /* Report current frequency range limits */
> - vm->rangelow = si4713_to_v4l2(FREQ_RANGE_LOW);
> - vm->rangehigh = si4713_to_v4l2(FREQ_RANGE_HIGH);
> -
> - if (sdev->power_state) {
> - u32 comp_en = 0;
> -
> - rval = si4713_read_property(sdev, SI4713_TX_COMPONENT_ENABLE,
> - &comp_en);
> - if (rval < 0)
> - return rval;
> -
> - sdev->stereo = get_status_bit(comp_en, 1, 1 << 1);
> - }
> -
> - /* Report current audio mode: mono or stereo */
> - if (sdev->stereo)
> - vm->txsubchans = V4L2_TUNER_SUB_STEREO;
> - else
> - vm->txsubchans = V4L2_TUNER_SUB_MONO;
> -
> - /* Report rds feature status */
> - if (sdev->rds_enabled)
> - vm->txsubchans |= V4L2_TUNER_SUB_RDS;
> - else
> - vm->txsubchans &= ~V4L2_TUNER_SUB_RDS;
> -
> - return rval;
> -}
> -
> -/* si4713_s_modulator - set modulator attributes */
> -static int si4713_s_modulator(struct v4l2_subdev *sd, const struct v4l2_modulator *vm)
> -{
> - struct si4713_device *sdev = to_si4713_device(sd);
> - int rval = 0;
> - u16 stereo, rds;
> - u32 p;
> -
> - if (!sdev)
> - return -ENODEV;
> -
> - if (vm->index > 0)
> - return -EINVAL;
> -
> - /* Set audio mode: mono or stereo */
> - if (vm->txsubchans & V4L2_TUNER_SUB_STEREO)
> - stereo = 1;
> - else if (vm->txsubchans & V4L2_TUNER_SUB_MONO)
> - stereo = 0;
> - else
> - return -EINVAL;
> -
> - rds = !!(vm->txsubchans & V4L2_TUNER_SUB_RDS);
> -
> - if (sdev->power_state) {
> - rval = si4713_read_property(sdev,
> - SI4713_TX_COMPONENT_ENABLE, &p);
> - if (rval < 0)
> - return rval;
> -
> - p = set_bits(p, stereo, 1, 1 << 1);
> - p = set_bits(p, rds, 2, 1 << 2);
> -
> - rval = si4713_write_property(sdev,
> - SI4713_TX_COMPONENT_ENABLE, p);
> - if (rval < 0)
> - return rval;
> - }
> -
> - sdev->stereo = stereo;
> - sdev->rds_enabled = rds;
> -
> - return rval;
> -}
> -
> -/* si4713_g_frequency - get tuner or modulator radio frequency */
> -static int si4713_g_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f)
> -{
> - struct si4713_device *sdev = to_si4713_device(sd);
> - int rval = 0;
> -
> - if (f->tuner)
> - return -EINVAL;
> -
> - if (sdev->power_state) {
> - u16 freq;
> - u8 p, a, n;
> -
> - rval = si4713_tx_tune_status(sdev, 0x00, &freq, &p, &a, &n);
> - if (rval < 0)
> - return rval;
> -
> - sdev->frequency = freq;
> - }
> -
> - f->frequency = si4713_to_v4l2(sdev->frequency);
> -
> - return rval;
> -}
> -
> -/* si4713_s_frequency - set tuner or modulator radio frequency */
> -static int si4713_s_frequency(struct v4l2_subdev *sd, const struct v4l2_frequency *f)
> -{
> - struct si4713_device *sdev = to_si4713_device(sd);
> - int rval = 0;
> - u16 frequency = v4l2_to_si4713(f->frequency);
> -
> - if (f->tuner)
> - return -EINVAL;
> -
> - /* Check frequency range */
> - frequency = clamp_t(u16, frequency, FREQ_RANGE_LOW, FREQ_RANGE_HIGH);
> -
> - if (sdev->power_state) {
> - rval = si4713_tx_tune_freq(sdev, frequency);
> - if (rval < 0)
> - return rval;
> - frequency = rval;
> - rval = 0;
> - }
> - sdev->frequency = frequency;
> -
> - return rval;
> -}
> -
> -static const struct v4l2_ctrl_ops si4713_ctrl_ops = {
> - .s_ctrl = si4713_s_ctrl,
> -};
> -
> -static const struct v4l2_subdev_core_ops si4713_subdev_core_ops = {
> - .ioctl = si4713_ioctl,
> -};
> -
> -static const struct v4l2_subdev_tuner_ops si4713_subdev_tuner_ops = {
> - .g_frequency = si4713_g_frequency,
> - .s_frequency = si4713_s_frequency,
> - .g_modulator = si4713_g_modulator,
> - .s_modulator = si4713_s_modulator,
> -};
> -
> -static const struct v4l2_subdev_ops si4713_subdev_ops = {
> - .core = &si4713_subdev_core_ops,
> - .tuner = &si4713_subdev_tuner_ops,
> -};
> -
> -/*
> - * I2C driver interface
> - */
> -/* si4713_probe - probe for the device */
> -static int si4713_probe(struct i2c_client *client,
> - const struct i2c_device_id *id)
> -{
> - struct si4713_device *sdev;
> - struct si4713_platform_data *pdata = client->dev.platform_data;
> - struct v4l2_ctrl_handler *hdl;
> - int rval, i;
> -
> - sdev = kzalloc(sizeof *sdev, GFP_KERNEL);
> - if (!sdev) {
> - dev_err(&client->dev, "Failed to alloc video device.\n");
> - rval = -ENOMEM;
> - goto exit;
> - }
> -
> - sdev->gpio_reset = -1;
> - if (pdata && gpio_is_valid(pdata->gpio_reset)) {
> - rval = gpio_request(pdata->gpio_reset, "si4713 reset");
> - if (rval) {
> - dev_err(&client->dev,
> - "Failed to request gpio: %d\n", rval);
> - goto free_sdev;
> - }
> - sdev->gpio_reset = pdata->gpio_reset;
> - gpio_direction_output(sdev->gpio_reset, 0);
> - }
> -
> - for (i = 0; i < ARRAY_SIZE(sdev->supplies); i++)
> - sdev->supplies[i].supply = si4713_supply_names[i];
> -
> - rval = regulator_bulk_get(&client->dev, ARRAY_SIZE(sdev->supplies),
> - sdev->supplies);
> - if (rval) {
> - dev_err(&client->dev, "Cannot get regulators: %d\n", rval);
> - goto free_gpio;
> - }
> -
> - v4l2_i2c_subdev_init(&sdev->sd, client, &si4713_subdev_ops);
> -
> - init_completion(&sdev->work);
> -
> - hdl = &sdev->ctrl_handler;
> - v4l2_ctrl_handler_init(hdl, 20);
> - sdev->mute = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> - V4L2_CID_AUDIO_MUTE, 0, 1, 1, DEFAULT_MUTE);
> -
> - sdev->rds_pi = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> - V4L2_CID_RDS_TX_PI, 0, 0xffff, 1, DEFAULT_RDS_PI);
> - sdev->rds_pty = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> - V4L2_CID_RDS_TX_PTY, 0, 31, 1, DEFAULT_RDS_PTY);
> - sdev->rds_deviation = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> - V4L2_CID_RDS_TX_DEVIATION, 0, MAX_RDS_DEVIATION,
> - 10, DEFAULT_RDS_DEVIATION);
> - /*
> - * Report step as 8. From RDS spec, psname
> - * should be 8. But there are receivers which scroll strings
> - * sized as 8xN.
> - */
> - sdev->rds_ps_name = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> - V4L2_CID_RDS_TX_PS_NAME, 0, MAX_RDS_PS_NAME, 8, 0);
> - /*
> - * Report step as 32 (2A block). From RDS spec,
> - * radio text should be 32 for 2A block. But there are receivers
> - * which scroll strings sized as 32xN. Setting default to 32.
> - */
> - sdev->rds_radio_text = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> - V4L2_CID_RDS_TX_RADIO_TEXT, 0, MAX_RDS_RADIO_TEXT, 32, 0);
> -
> - sdev->limiter_enabled = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> - V4L2_CID_AUDIO_LIMITER_ENABLED, 0, 1, 1, 1);
> - sdev->limiter_release_time = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> - V4L2_CID_AUDIO_LIMITER_RELEASE_TIME, 250,
> - MAX_LIMITER_RELEASE_TIME, 10, DEFAULT_LIMITER_RTIME);
> - sdev->limiter_deviation = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> - V4L2_CID_AUDIO_LIMITER_DEVIATION, 0,
> - MAX_LIMITER_DEVIATION, 10, DEFAULT_LIMITER_DEV);
> -
> - sdev->compression_enabled = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> - V4L2_CID_AUDIO_COMPRESSION_ENABLED, 0, 1, 1, 1);
> - sdev->compression_gain = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> - V4L2_CID_AUDIO_COMPRESSION_GAIN, 0, MAX_ACOMP_GAIN, 1,
> - DEFAULT_ACOMP_GAIN);
> - sdev->compression_threshold = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> - V4L2_CID_AUDIO_COMPRESSION_THRESHOLD, MIN_ACOMP_THRESHOLD,
> - MAX_ACOMP_THRESHOLD, 1,
> - DEFAULT_ACOMP_THRESHOLD);
> - sdev->compression_attack_time = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> - V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME, 0,
> - MAX_ACOMP_ATTACK_TIME, 500, DEFAULT_ACOMP_ATIME);
> - sdev->compression_release_time = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> - V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME, 100000,
> - MAX_ACOMP_RELEASE_TIME, 100000, DEFAULT_ACOMP_RTIME);
> -
> - sdev->pilot_tone_enabled = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> - V4L2_CID_PILOT_TONE_ENABLED, 0, 1, 1, 1);
> - sdev->pilot_tone_deviation = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> - V4L2_CID_PILOT_TONE_DEVIATION, 0, MAX_PILOT_DEVIATION,
> - 10, DEFAULT_PILOT_DEVIATION);
> - sdev->pilot_tone_freq = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> - V4L2_CID_PILOT_TONE_FREQUENCY, 0, MAX_PILOT_FREQUENCY,
> - 1, DEFAULT_PILOT_FREQUENCY);
> -
> - sdev->tune_preemphasis = v4l2_ctrl_new_std_menu(hdl, &si4713_ctrl_ops,
> - V4L2_CID_TUNE_PREEMPHASIS,
> - V4L2_PREEMPHASIS_75_uS, 0, V4L2_PREEMPHASIS_50_uS);
> - sdev->tune_pwr_level = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> - V4L2_CID_TUNE_POWER_LEVEL, 0, 120, 1, DEFAULT_POWER_LEVEL);
> - sdev->tune_ant_cap = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> - V4L2_CID_TUNE_ANTENNA_CAPACITOR, 0, 191, 1, 0);
> -
> - if (hdl->error) {
> - rval = hdl->error;
> - goto free_ctrls;
> - }
> - v4l2_ctrl_cluster(20, &sdev->mute);
> - sdev->sd.ctrl_handler = hdl;
> -
> - if (client->irq) {
> - rval = request_irq(client->irq,
> - si4713_handler, IRQF_TRIGGER_FALLING | IRQF_DISABLED,
> - client->name, sdev);
> - if (rval < 0) {
> - v4l2_err(&sdev->sd, "Could not request IRQ\n");
> - goto put_reg;
> - }
> - v4l2_dbg(1, debug, &sdev->sd, "IRQ requested.\n");
> - } else {
> - v4l2_warn(&sdev->sd, "IRQ not configured. Using timeouts.\n");
> - }
> -
> - rval = si4713_initialize(sdev);
> - if (rval < 0) {
> - v4l2_err(&sdev->sd, "Failed to probe device information.\n");
> - goto free_irq;
> - }
> -
> - return 0;
> -
> -free_irq:
> - if (client->irq)
> - free_irq(client->irq, sdev);
> -free_ctrls:
> - v4l2_ctrl_handler_free(hdl);
> -put_reg:
> - regulator_bulk_free(ARRAY_SIZE(sdev->supplies), sdev->supplies);
> -free_gpio:
> - if (gpio_is_valid(sdev->gpio_reset))
> - gpio_free(sdev->gpio_reset);
> -free_sdev:
> - kfree(sdev);
> -exit:
> - return rval;
> -}
> -
> -/* si4713_remove - remove the device */
> -static int si4713_remove(struct i2c_client *client)
> -{
> - struct v4l2_subdev *sd = i2c_get_clientdata(client);
> - struct si4713_device *sdev = to_si4713_device(sd);
> -
> - if (sdev->power_state)
> - si4713_set_power_state(sdev, POWER_DOWN);
> -
> - if (client->irq > 0)
> - free_irq(client->irq, sdev);
> -
> - v4l2_device_unregister_subdev(sd);
> - v4l2_ctrl_handler_free(sd->ctrl_handler);
> - regulator_bulk_free(ARRAY_SIZE(sdev->supplies), sdev->supplies);
> - if (gpio_is_valid(sdev->gpio_reset))
> - gpio_free(sdev->gpio_reset);
> - kfree(sdev);
> -
> - return 0;
> -}
> -
> -/* si4713_i2c_driver - i2c driver interface */
> -static const struct i2c_device_id si4713_id[] = {
> - { "si4713" , 0 },
> - { },
> -};
> -MODULE_DEVICE_TABLE(i2c, si4713_id);
> -
> -static struct i2c_driver si4713_i2c_driver = {
> - .driver = {
> - .name = "si4713",
> - },
> - .probe = si4713_probe,
> - .remove = si4713_remove,
> - .id_table = si4713_id,
> -};
> -
> -module_i2c_driver(si4713_i2c_driver);
> diff --git a/drivers/media/radio/si4713-i2c.h b/drivers/media/radio/si4713-i2c.h
> deleted file mode 100644
> index 25cdea2..0000000
> --- a/drivers/media/radio/si4713-i2c.h
> +++ /dev/null
> @@ -1,238 +0,0 @@
> -/*
> - * drivers/media/radio/si4713-i2c.h
> - *
> - * Property and commands definitions for Si4713 radio transmitter chip.
> - *
> - * Copyright (c) 2008 Instituto Nokia de Tecnologia - INdT
> - * Contact: Eduardo Valentin <eduardo.valentin@xxxxxxxxx>
> - *
> - * This file is licensed under the terms of the GNU General Public License
> - * version 2. This program is licensed "as is" without any warranty of any
> - * kind, whether express or implied.
> - *
> - */
> -
> -#ifndef SI4713_I2C_H
> -#define SI4713_I2C_H
> -
> -#include <media/v4l2-subdev.h>
> -#include <media/v4l2-ctrls.h>
> -#include <media/si4713.h>
> -
> -#define SI4713_PRODUCT_NUMBER 0x0D
> -
> -/* Command Timeouts */
> -#define DEFAULT_TIMEOUT 500
> -#define TIMEOUT_SET_PROPERTY 20
> -#define TIMEOUT_TX_TUNE_POWER 30000
> -#define TIMEOUT_TX_TUNE 110000
> -#define TIMEOUT_POWER_UP 200000
> -
> -/*
> - * Command and its arguments definitions
> - */
> -#define SI4713_PWUP_CTSIEN (1<<7)
> -#define SI4713_PWUP_GPO2OEN (1<<6)
> -#define SI4713_PWUP_PATCH (1<<5)
> -#define SI4713_PWUP_XOSCEN (1<<4)
> -#define SI4713_PWUP_FUNC_TX 0x02
> -#define SI4713_PWUP_FUNC_PATCH 0x0F
> -#define SI4713_PWUP_OPMOD_ANALOG 0x50
> -#define SI4713_PWUP_OPMOD_DIGITAL 0x0F
> -#define SI4713_PWUP_NARGS 2
> -#define SI4713_PWUP_NRESP 1
> -#define SI4713_CMD_POWER_UP 0x01
> -
> -#define SI4713_GETREV_NRESP 9
> -#define SI4713_CMD_GET_REV 0x10
> -
> -#define SI4713_PWDN_NRESP 1
> -#define SI4713_CMD_POWER_DOWN 0x11
> -
> -#define SI4713_SET_PROP_NARGS 5
> -#define SI4713_SET_PROP_NRESP 1
> -#define SI4713_CMD_SET_PROPERTY 0x12
> -
> -#define SI4713_GET_PROP_NARGS 3
> -#define SI4713_GET_PROP_NRESP 4
> -#define SI4713_CMD_GET_PROPERTY 0x13
> -
> -#define SI4713_GET_STATUS_NRESP 1
> -#define SI4713_CMD_GET_INT_STATUS 0x14
> -
> -#define SI4713_CMD_PATCH_ARGS 0x15
> -#define SI4713_CMD_PATCH_DATA 0x16
> -
> -#define SI4713_MAX_FREQ 10800
> -#define SI4713_MIN_FREQ 7600
> -#define SI4713_TXFREQ_NARGS 3
> -#define SI4713_TXFREQ_NRESP 1
> -#define SI4713_CMD_TX_TUNE_FREQ 0x30
> -
> -#define SI4713_MAX_POWER 120
> -#define SI4713_MIN_POWER 88
> -#define SI4713_MAX_ANTCAP 191
> -#define SI4713_MIN_ANTCAP 0
> -#define SI4713_TXPWR_NARGS 4
> -#define SI4713_TXPWR_NRESP 1
> -#define SI4713_CMD_TX_TUNE_POWER 0x31
> -
> -#define SI4713_TXMEA_NARGS 4
> -#define SI4713_TXMEA_NRESP 1
> -#define SI4713_CMD_TX_TUNE_MEASURE 0x32
> -
> -#define SI4713_INTACK_MASK 0x01
> -#define SI4713_TXSTATUS_NARGS 1
> -#define SI4713_TXSTATUS_NRESP 8
> -#define SI4713_CMD_TX_TUNE_STATUS 0x33
> -
> -#define SI4713_OVERMOD_BIT (1 << 2)
> -#define SI4713_IALH_BIT (1 << 1)
> -#define SI4713_IALL_BIT (1 << 0)
> -#define SI4713_ASQSTATUS_NARGS 1
> -#define SI4713_ASQSTATUS_NRESP 5
> -#define SI4713_CMD_TX_ASQ_STATUS 0x34
> -
> -#define SI4713_RDSBUFF_MODE_MASK 0x87
> -#define SI4713_RDSBUFF_NARGS 7
> -#define SI4713_RDSBUFF_NRESP 6
> -#define SI4713_CMD_TX_RDS_BUFF 0x35
> -
> -#define SI4713_RDSPS_PSID_MASK 0x1F
> -#define SI4713_RDSPS_NARGS 5
> -#define SI4713_RDSPS_NRESP 1
> -#define SI4713_CMD_TX_RDS_PS 0x36
> -
> -#define SI4713_CMD_GPO_CTL 0x80
> -#define SI4713_CMD_GPO_SET 0x81
> -
> -/*
> - * Bits from status response
> - */
> -#define SI4713_CTS (1<<7)
> -#define SI4713_ERR (1<<6)
> -#define SI4713_RDS_INT (1<<2)
> -#define SI4713_ASQ_INT (1<<1)
> -#define SI4713_STC_INT (1<<0)
> -
> -/*
> - * Property definitions
> - */
> -#define SI4713_GPO_IEN 0x0001
> -#define SI4713_DIG_INPUT_FORMAT 0x0101
> -#define SI4713_DIG_INPUT_SAMPLE_RATE 0x0103
> -#define SI4713_REFCLK_FREQ 0x0201
> -#define SI4713_REFCLK_PRESCALE 0x0202
> -#define SI4713_TX_COMPONENT_ENABLE 0x2100
> -#define SI4713_TX_AUDIO_DEVIATION 0x2101
> -#define SI4713_TX_PILOT_DEVIATION 0x2102
> -#define SI4713_TX_RDS_DEVIATION 0x2103
> -#define SI4713_TX_LINE_INPUT_LEVEL 0x2104
> -#define SI4713_TX_LINE_INPUT_MUTE 0x2105
> -#define SI4713_TX_PREEMPHASIS 0x2106
> -#define SI4713_TX_PILOT_FREQUENCY 0x2107
> -#define SI4713_TX_ACOMP_ENABLE 0x2200
> -#define SI4713_TX_ACOMP_THRESHOLD 0x2201
> -#define SI4713_TX_ACOMP_ATTACK_TIME 0x2202
> -#define SI4713_TX_ACOMP_RELEASE_TIME 0x2203
> -#define SI4713_TX_ACOMP_GAIN 0x2204
> -#define SI4713_TX_LIMITER_RELEASE_TIME 0x2205
> -#define SI4713_TX_ASQ_INTERRUPT_SOURCE 0x2300
> -#define SI4713_TX_ASQ_LEVEL_LOW 0x2301
> -#define SI4713_TX_ASQ_DURATION_LOW 0x2302
> -#define SI4713_TX_ASQ_LEVEL_HIGH 0x2303
> -#define SI4713_TX_ASQ_DURATION_HIGH 0x2304
> -#define SI4713_TX_RDS_INTERRUPT_SOURCE 0x2C00
> -#define SI4713_TX_RDS_PI 0x2C01
> -#define SI4713_TX_RDS_PS_MIX 0x2C02
> -#define SI4713_TX_RDS_PS_MISC 0x2C03
> -#define SI4713_TX_RDS_PS_REPEAT_COUNT 0x2C04
> -#define SI4713_TX_RDS_PS_MESSAGE_COUNT 0x2C05
> -#define SI4713_TX_RDS_PS_AF 0x2C06
> -#define SI4713_TX_RDS_FIFO_SIZE 0x2C07
> -
> -#define PREEMPHASIS_USA 75
> -#define PREEMPHASIS_EU 50
> -#define PREEMPHASIS_DISABLED 0
> -#define FMPE_USA 0x00
> -#define FMPE_EU 0x01
> -#define FMPE_DISABLED 0x02
> -
> -#define POWER_UP 0x01
> -#define POWER_DOWN 0x00
> -
> -#define MAX_RDS_PTY 31
> -#define MAX_RDS_DEVIATION 90000
> -
> -/*
> - * PSNAME is known to be defined as 8 character sized (RDS Spec).
> - * However, there is receivers which scroll PSNAME 8xN sized.
> - */
> -#define MAX_RDS_PS_NAME 96
> -
> -/*
> - * MAX_RDS_RADIO_TEXT is known to be defined as 32 (2A group) or 64 (2B group)
> - * character sized (RDS Spec).
> - * However, there is receivers which scroll them as well.
> - */
> -#define MAX_RDS_RADIO_TEXT 384
> -
> -#define MAX_LIMITER_RELEASE_TIME 102390
> -#define MAX_LIMITER_DEVIATION 90000
> -
> -#define MAX_PILOT_DEVIATION 90000
> -#define MAX_PILOT_FREQUENCY 19000
> -
> -#define MAX_ACOMP_RELEASE_TIME 1000000
> -#define MAX_ACOMP_ATTACK_TIME 5000
> -#define MAX_ACOMP_THRESHOLD 0
> -#define MIN_ACOMP_THRESHOLD (-40)
> -#define MAX_ACOMP_GAIN 20
> -
> -#define SI4713_NUM_SUPPLIES 2
> -
> -/*
> - * si4713_device - private data
> - */
> -struct si4713_device {
> - /* v4l2_subdev and i2c reference (v4l2_subdev priv data) */
> - struct v4l2_subdev sd;
> - struct v4l2_ctrl_handler ctrl_handler;
> - /* private data structures */
> - struct { /* si4713 control cluster */
> - /* This is one big cluster since the mute control
> - * powers off the device and after unmuting again all
> - * controls need to be set at once. The only way of doing
> - * that is by making it one big cluster. */
> - struct v4l2_ctrl *mute;
> - struct v4l2_ctrl *rds_ps_name;
> - struct v4l2_ctrl *rds_radio_text;
> - struct v4l2_ctrl *rds_pi;
> - struct v4l2_ctrl *rds_deviation;
> - struct v4l2_ctrl *rds_pty;
> - struct v4l2_ctrl *compression_enabled;
> - struct v4l2_ctrl *compression_threshold;
> - struct v4l2_ctrl *compression_gain;
> - struct v4l2_ctrl *compression_attack_time;
> - struct v4l2_ctrl *compression_release_time;
> - struct v4l2_ctrl *pilot_tone_enabled;
> - struct v4l2_ctrl *pilot_tone_freq;
> - struct v4l2_ctrl *pilot_tone_deviation;
> - struct v4l2_ctrl *limiter_enabled;
> - struct v4l2_ctrl *limiter_deviation;
> - struct v4l2_ctrl *limiter_release_time;
> - struct v4l2_ctrl *tune_preemphasis;
> - struct v4l2_ctrl *tune_pwr_level;
> - struct v4l2_ctrl *tune_ant_cap;
> - };
> - struct completion work;
> - struct regulator_bulk_data supplies[SI4713_NUM_SUPPLIES];
> - int gpio_reset;
> - u32 power_state;
> - u32 rds_enabled;
> - u32 frequency;
> - u32 preemphasis;
> - u32 stereo;
> - u32 tune_rnl;
> -};
> -#endif /* ifndef SI4713_I2C_H */
> diff --git a/drivers/media/radio/si4713/Kconfig b/drivers/media/radio/si4713/Kconfig
> new file mode 100644
> index 0000000..f8ac328
> --- /dev/null
> +++ b/drivers/media/radio/si4713/Kconfig
> @@ -0,0 +1,25 @@
> +config PLATFORM_SI4713
> + tristate "Silicon Labs Si4713 FM Radio Transmitter support with I2C"
> + depends on I2C && RADIO_SI4713
> + select SI4713
> + ---help---
> + This is a driver for I2C devices with the Silicon Labs SI4713
> + chip.
> +
> + Say Y here if you want to connect this type of radio to your
> + computer's I2C port.
> +
> + To compile this driver as a module, choose M here: the
> + module will be called radio-platform-si4713.
> +
> +config I2C_SI4713
> + tristate "Silicon Labs Si4713 FM Radio Transmitter support"
> + depends on I2C && RADIO_SI4713
> + ---help---
> + Say Y here if you want support to Si4713 FM Radio Transmitter.
> + This device can transmit audio through FM. It can transmit
> + RDS and RBDS signals as well. This module is the v4l2 radio
> + interface for the i2c driver of this device.
> +
> + To compile this driver as a module, choose M here: the
> + module will be called si4713.
> diff --git a/drivers/media/radio/si4713/Makefile b/drivers/media/radio/si4713/Makefile
> new file mode 100644
> index 0000000..9d0bd0e
> --- /dev/null
> +++ b/drivers/media/radio/si4713/Makefile
> @@ -0,0 +1,7 @@
> +#
> +# Makefile for radios with Silicon Labs Si4713 FM Radio Transmitters
> +#
> +
> +obj-$(CONFIG_I2C_SI4713) += si4713.o
> +obj-$(CONFIG_PLATFORM_SI4713) += radio-platform-si4713.o
> +
> diff --git a/drivers/media/radio/si4713/radio-platform-si4713.c b/drivers/media/radio/si4713/radio-platform-si4713.c
> new file mode 100644
> index 0000000..cf0aad4
> --- /dev/null
> +++ b/drivers/media/radio/si4713/radio-platform-si4713.c
> @@ -0,0 +1,246 @@
> +/*
> + * drivers/media/radio/radio-platform-si4713.c
> + *
> + * Platform Driver for Silicon Labs Si4713 FM Radio Transmitter:
> + *
> + * Copyright (c) 2008 Instituto Nokia de Tecnologia - INdT
> + * Contact: Eduardo Valentin <eduardo.valentin@xxxxxxxxx>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
> + */
> +
> +#include <linux/kernel.h>
> +#include <linux/module.h>
> +#include <linux/init.h>
> +#include <linux/platform_device.h>
> +#include <linux/i2c.h>
> +#include <linux/videodev2.h>
> +#include <linux/slab.h>
> +#include <media/v4l2-device.h>
> +#include <media/v4l2-common.h>
> +#include <media/v4l2-ioctl.h>
> +#include <media/v4l2-fh.h>
> +#include <media/v4l2-ctrls.h>
> +#include <media/v4l2-event.h>
> +#include <media/radio-si4713.h>
> +
> +/* module parameters */
> +static int radio_nr = -1; /* radio device minor (-1 ==> auto assign) */
> +module_param(radio_nr, int, 0);
> +MODULE_PARM_DESC(radio_nr,
> + "Minor number for radio device (-1 ==> auto assign)");
> +
> +MODULE_LICENSE("GPL v2");
> +MODULE_AUTHOR("Eduardo Valentin <eduardo.valentin@xxxxxxxxx>");
> +MODULE_DESCRIPTION("Platform driver for Si4713 FM Radio Transmitter");
> +MODULE_VERSION("0.0.1");
> +MODULE_ALIAS("platform:radio-si4713");
> +
> +/* Driver state struct */
> +struct radio_si4713_device {
> + struct v4l2_device v4l2_dev;
> + struct video_device radio_dev;
> + struct mutex lock;
> +};
> +
> +/* radio_si4713_fops - file operations interface */
> +static const struct v4l2_file_operations radio_si4713_fops = {
> + .owner = THIS_MODULE,
> + .open = v4l2_fh_open,
> + .release = v4l2_fh_release,
> + .poll = v4l2_ctrl_poll,
> + /* Note: locking is done at the subdev level in the i2c driver. */
> + .unlocked_ioctl = video_ioctl2,
> +};
> +
> +/* Video4Linux Interface */
> +
> +/* radio_si4713_querycap - query device capabilities */
> +static int radio_si4713_querycap(struct file *file, void *priv,
> + struct v4l2_capability *capability)
> +{
> + strlcpy(capability->driver, "radio-si4713", sizeof(capability->driver));
> + strlcpy(capability->card, "Silicon Labs Si4713 Modulator",
> + sizeof(capability->card));
> + strlcpy(capability->bus_info, "platform:radio-si4713",
> + sizeof(capability->bus_info));
> + capability->device_caps = V4L2_CAP_MODULATOR | V4L2_CAP_RDS_OUTPUT;
> + capability->capabilities = capability->device_caps | V4L2_CAP_DEVICE_CAPS;
> +
> + return 0;
> +}
> +
> +/*
> + * v4l2 ioctl call backs.
> + * we are just a wrapper for v4l2_sub_devs.
> + */
> +static inline struct v4l2_device *get_v4l2_dev(struct file *file)
> +{
> + return &((struct radio_si4713_device *)video_drvdata(file))->v4l2_dev;
> +}
> +
> +static int radio_si4713_g_modulator(struct file *file, void *p,
> + struct v4l2_modulator *vm)
> +{
> + return v4l2_device_call_until_err(get_v4l2_dev(file), 0, tuner,
> + g_modulator, vm);
> +}
> +
> +static int radio_si4713_s_modulator(struct file *file, void *p,
> + const struct v4l2_modulator *vm)
> +{
> + return v4l2_device_call_until_err(get_v4l2_dev(file), 0, tuner,
> + s_modulator, vm);
> +}
> +
> +static int radio_si4713_g_frequency(struct file *file, void *p,
> + struct v4l2_frequency *vf)
> +{
> + return v4l2_device_call_until_err(get_v4l2_dev(file), 0, tuner,
> + g_frequency, vf);
> +}
> +
> +static int radio_si4713_s_frequency(struct file *file, void *p,
> + const struct v4l2_frequency *vf)
> +{
> + return v4l2_device_call_until_err(get_v4l2_dev(file), 0, tuner,
> + s_frequency, vf);
> +}
> +
> +static long radio_si4713_default(struct file *file, void *p,
> + bool valid_prio, unsigned int cmd, void *arg)
> +{
> + return v4l2_device_call_until_err(get_v4l2_dev(file), 0, core,
> + ioctl, cmd, arg);
> +}
> +
> +static struct v4l2_ioctl_ops radio_si4713_ioctl_ops = {
> + .vidioc_querycap = radio_si4713_querycap,
> + .vidioc_g_modulator = radio_si4713_g_modulator,
> + .vidioc_s_modulator = radio_si4713_s_modulator,
> + .vidioc_g_frequency = radio_si4713_g_frequency,
> + .vidioc_s_frequency = radio_si4713_s_frequency,
> + .vidioc_log_status = v4l2_ctrl_log_status,
> + .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
> + .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
> + .vidioc_default = radio_si4713_default,
> +};
> +
> +/* radio_si4713_vdev_template - video device interface */
> +static struct video_device radio_si4713_vdev_template = {
> + .fops = &radio_si4713_fops,
> + .name = "radio-si4713",
> + .release = video_device_release_empty,
> + .ioctl_ops = &radio_si4713_ioctl_ops,
> + .vfl_dir = VFL_DIR_TX,
> +};
> +
> +/* Platform driver interface */
> +/* radio_si4713_pdriver_probe - probe for the device */
> +static int radio_si4713_pdriver_probe(struct platform_device *pdev)
> +{
> + struct radio_si4713_platform_data *pdata = pdev->dev.platform_data;
> + struct radio_si4713_device *rsdev;
> + struct i2c_adapter *adapter;
> + struct v4l2_subdev *sd;
> + int rval = 0;
> +
> + if (!pdata) {
> + dev_err(&pdev->dev, "Cannot proceed without platform data.\n");
> + rval = -EINVAL;
> + goto exit;
> + }
> +
> + rsdev = devm_kzalloc(&pdev->dev, sizeof(*rsdev), GFP_KERNEL);
> + if (!rsdev) {
> + dev_err(&pdev->dev, "Failed to alloc video device.\n");
> + rval = -ENOMEM;
> + goto exit;
> + }
> + mutex_init(&rsdev->lock);
> +
> + rval = v4l2_device_register(&pdev->dev, &rsdev->v4l2_dev);
> + if (rval) {
> + dev_err(&pdev->dev, "Failed to register v4l2 device.\n");
> + goto exit;
> + }
> +
> + adapter = i2c_get_adapter(pdata->i2c_bus);
> + if (!adapter) {
> + dev_err(&pdev->dev, "Cannot get i2c adapter %d\n",
> + pdata->i2c_bus);
> + rval = -ENODEV;
> + goto unregister_v4l2_dev;
> + }
> +
> + sd = v4l2_i2c_new_subdev_board(&rsdev->v4l2_dev, adapter,
> + pdata->subdev_board_info, NULL);
> + if (!sd) {
> + dev_err(&pdev->dev, "Cannot get v4l2 subdevice\n");
> + rval = -ENODEV;
> + goto put_adapter;
> + }
> +
> + rsdev->radio_dev = radio_si4713_vdev_template;
> + rsdev->radio_dev.v4l2_dev = &rsdev->v4l2_dev;
> + rsdev->radio_dev.ctrl_handler = sd->ctrl_handler;
> + set_bit(V4L2_FL_USE_FH_PRIO, &rsdev->radio_dev.flags);
> + /* Serialize all access to the si4713 */
> + rsdev->radio_dev.lock = &rsdev->lock;
> + video_set_drvdata(&rsdev->radio_dev, rsdev);
> + if (video_register_device(&rsdev->radio_dev, VFL_TYPE_RADIO, radio_nr)) {
> + dev_err(&pdev->dev, "Could not register video device.\n");
> + rval = -EIO;
> + goto put_adapter;
> + }
> + dev_info(&pdev->dev, "New device successfully probed\n");
> +
> + goto exit;
> +
> +put_adapter:
> + i2c_put_adapter(adapter);
> +unregister_v4l2_dev:
> + v4l2_device_unregister(&rsdev->v4l2_dev);
> +exit:
> + return rval;
> +}
> +
> +/* radio_si4713_pdriver_remove - remove the device */
> +static int radio_si4713_pdriver_remove(struct platform_device *pdev)
> +{
> + struct v4l2_device *v4l2_dev = platform_get_drvdata(pdev);
> + struct v4l2_subdev *sd = list_entry(v4l2_dev->subdevs.next,
> + struct v4l2_subdev, list);
> + struct i2c_client *client = v4l2_get_subdevdata(sd);
> + struct radio_si4713_device *rsdev;
> +
> + rsdev = container_of(v4l2_dev, struct radio_si4713_device, v4l2_dev);
> + video_unregister_device(&rsdev->radio_dev);
> + i2c_put_adapter(client->adapter);
> + v4l2_device_unregister(&rsdev->v4l2_dev);
> +
> + return 0;
> +}
> +
> +static struct platform_driver radio_si4713_pdriver = {
> + .driver = {
> + .name = "radio-si4713",
> + .owner = THIS_MODULE,
> + },
> + .probe = radio_si4713_pdriver_probe,
> + .remove = radio_si4713_pdriver_remove,
> +};
> +
> +module_platform_driver(radio_si4713_pdriver);
> diff --git a/drivers/media/radio/si4713/si4713.c b/drivers/media/radio/si4713/si4713.c
> new file mode 100644
> index 0000000..ac727e3
> --- /dev/null
> +++ b/drivers/media/radio/si4713/si4713.c
> @@ -0,0 +1,1532 @@
> +/*
> + * drivers/media/radio/si4713.c
> + *
> + * Silicon Labs Si4713 FM Radio Transmitter I2C commands.
> + *
> + * Copyright (c) 2009 Nokia Corporation
> + * Contact: Eduardo Valentin <eduardo.valentin@xxxxxxxxx>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
> + */
> +
> +#include <linux/completion.h>
> +#include <linux/delay.h>
> +#include <linux/interrupt.h>
> +#include <linux/i2c.h>
> +#include <linux/slab.h>
> +#include <linux/gpio.h>
> +#include <linux/regulator/consumer.h>
> +#include <linux/module.h>
> +#include <media/v4l2-device.h>
> +#include <media/v4l2-ioctl.h>
> +#include <media/v4l2-common.h>
> +
> +#include "si4713.h"
> +
> +/* module parameters */
> +static int debug;
> +module_param(debug, int, S_IRUGO | S_IWUSR);
> +MODULE_PARM_DESC(debug, "Debug level (0 - 2)");
> +
> +MODULE_LICENSE("GPL");
> +MODULE_AUTHOR("Eduardo Valentin <eduardo.valentin@xxxxxxxxx>");
> +MODULE_DESCRIPTION("I2C driver for Si4713 FM Radio Transmitter");
> +MODULE_VERSION("0.0.1");
> +
> +static const char *si4713_supply_names[SI4713_NUM_SUPPLIES] = {
> + "vio",
> + "vdd",
> +};
> +
> +#define DEFAULT_RDS_PI 0x00
> +#define DEFAULT_RDS_PTY 0x00
> +#define DEFAULT_RDS_DEVIATION 0x00C8
> +#define DEFAULT_RDS_PS_REPEAT_COUNT 0x0003
> +#define DEFAULT_LIMITER_RTIME 0x1392
> +#define DEFAULT_LIMITER_DEV 0x102CA
> +#define DEFAULT_PILOT_FREQUENCY 0x4A38
> +#define DEFAULT_PILOT_DEVIATION 0x1A5E
> +#define DEFAULT_ACOMP_ATIME 0x0000
> +#define DEFAULT_ACOMP_RTIME 0xF4240L
> +#define DEFAULT_ACOMP_GAIN 0x0F
> +#define DEFAULT_ACOMP_THRESHOLD (-0x28)
> +#define DEFAULT_MUTE 0x01
> +#define DEFAULT_POWER_LEVEL 88
> +#define DEFAULT_FREQUENCY 8800
> +#define DEFAULT_PREEMPHASIS FMPE_EU
> +#define DEFAULT_TUNE_RNL 0xFF
> +
> +#define to_si4713_device(sd) container_of(sd, struct si4713_device, sd)
> +
> +/* frequency domain transformation (using times 10 to avoid floats) */
> +#define FREQDEV_UNIT 100000
> +#define FREQV4L2_MULTI 625
> +#define si4713_to_v4l2(f) ((f * FREQDEV_UNIT) / FREQV4L2_MULTI)
> +#define v4l2_to_si4713(f) ((f * FREQV4L2_MULTI) / FREQDEV_UNIT)
> +#define FREQ_RANGE_LOW 7600
> +#define FREQ_RANGE_HIGH 10800
> +
> +#define MAX_ARGS 7
> +
> +#define RDS_BLOCK 8
> +#define RDS_BLOCK_CLEAR 0x03
> +#define RDS_BLOCK_LOAD 0x04
> +#define RDS_RADIOTEXT_2A 0x20
> +#define RDS_RADIOTEXT_BLK_SIZE 4
> +#define RDS_RADIOTEXT_INDEX_MAX 0x0F
> +#define RDS_CARRIAGE_RETURN 0x0D
> +
> +#define rds_ps_nblocks(len) ((len / RDS_BLOCK) + (len % RDS_BLOCK ? 1 : 0))
> +
> +#define get_status_bit(p, b, m) (((p) & (m)) >> (b))
> +#define set_bits(p, v, b, m) (((p) & ~(m)) | ((v) << (b)))
> +
> +#define ATTACK_TIME_UNIT 500
> +
> +#define POWER_OFF 0x00
> +#define POWER_ON 0x01
> +
> +#define msb(x) ((u8)((u16) x >> 8))
> +#define lsb(x) ((u8)((u16) x & 0x00FF))
> +#define compose_u16(msb, lsb) (((u16)msb << 8) | lsb)
> +#define check_command_failed(status) (!(status & SI4713_CTS) || \
> + (status & SI4713_ERR))
> +/* mute definition */
> +#define set_mute(p) ((p & 1) | ((p & 1) << 1));
> +
> +#ifdef DEBUG
> +#define DBG_BUFFER(device, message, buffer, size) \
> + { \
> + int i; \
> + char str[(size)*5]; \
> + for (i = 0; i < size; i++) \
> + sprintf(str + i * 5, " 0x%02x", buffer[i]); \
> + v4l2_dbg(2, debug, device, "%s:%s\n", message, str); \
> + }
> +#else
> +#define DBG_BUFFER(device, message, buffer, size)
> +#endif
> +
> +/*
> + * Values for limiter release time (sorted by second column)
> + * device release
> + * value time (us)
> + */
> +static long limiter_times[] = {
> + 2000, 250,
> + 1000, 500,
> + 510, 1000,
> + 255, 2000,
> + 170, 3000,
> + 127, 4020,
> + 102, 5010,
> + 85, 6020,
> + 73, 7010,
> + 64, 7990,
> + 57, 8970,
> + 51, 10030,
> + 25, 20470,
> + 17, 30110,
> + 13, 39380,
> + 10, 51190,
> + 8, 63690,
> + 7, 73140,
> + 6, 85330,
> + 5, 102390,
> +};
> +
> +/*
> + * Values for audio compression release time (sorted by second column)
> + * device release
> + * value time (us)
> + */
> +static unsigned long acomp_rtimes[] = {
> + 0, 100000,
> + 1, 200000,
> + 2, 350000,
> + 3, 525000,
> + 4, 1000000,
> +};
> +
> +/*
> + * Values for preemphasis (sorted by second column)
> + * device preemphasis
> + * value value (v4l2)
> + */
> +static unsigned long preemphasis_values[] = {
> + FMPE_DISABLED, V4L2_PREEMPHASIS_DISABLED,
> + FMPE_EU, V4L2_PREEMPHASIS_50_uS,
> + FMPE_USA, V4L2_PREEMPHASIS_75_uS,
> +};
> +
> +static int usecs_to_dev(unsigned long usecs, unsigned long const array[],
> + int size)
> +{
> + int i;
> + int rval = -EINVAL;
> +
> + for (i = 0; i < size / 2; i++)
> + if (array[(i * 2) + 1] >= usecs) {
> + rval = array[i * 2];
> + break;
> + }
> +
> + return rval;
> +}
> +
> +/* si4713_handler: IRQ handler, just complete work */
> +static irqreturn_t si4713_handler(int irq, void *dev)
> +{
> + struct si4713_device *sdev = dev;
> +
> + v4l2_dbg(2, debug, &sdev->sd,
> + "%s: sending signal to completion work.\n", __func__);
> + complete(&sdev->work);
> +
> + return IRQ_HANDLED;
> +}
> +
> +/*
> + * si4713_send_command - sends a command to si4713 and waits its response
> + * @sdev: si4713_device structure for the device we are communicating
> + * @command: command id
> + * @args: command arguments we are sending (up to 7)
> + * @argn: actual size of @args
> + * @response: buffer to place the expected response from the device (up to 15)
> + * @respn: actual size of @response
> + * @usecs: amount of time to wait before reading the response (in usecs)
> + */
> +static int si4713_send_command(struct si4713_device *sdev, const u8 command,
> + const u8 args[], const int argn,
> + u8 response[], const int respn, const int usecs)
> +{
> + struct i2c_client *client = v4l2_get_subdevdata(&sdev->sd);
> + u8 data1[MAX_ARGS + 1];
> + int err;
> +
> + if (!client->adapter)
> + return -ENODEV;
> +
> + /* First send the command and its arguments */
> + data1[0] = command;
> + memcpy(data1 + 1, args, argn);
> + DBG_BUFFER(&sdev->sd, "Parameters", data1, argn + 1);
> +
> + err = i2c_master_send(client, data1, argn + 1);
> + if (err != argn + 1) {
> + v4l2_err(&sdev->sd, "Error while sending command 0x%02x\n",
> + command);
> + return (err > 0) ? -EIO : err;
> + }
> +
> + /* Wait response from interrupt */
> + if (!wait_for_completion_timeout(&sdev->work,
> + usecs_to_jiffies(usecs) + 1))
> + v4l2_warn(&sdev->sd,
> + "(%s) Device took too much time to answer.\n",
> + __func__);
> +
> + /* Then get the response */
> + err = i2c_master_recv(client, response, respn);
> + if (err != respn) {
> + v4l2_err(&sdev->sd,
> + "Error while reading response for command 0x%02x\n",
> + command);
> + return (err > 0) ? -EIO : err;
> + }
> +
> + DBG_BUFFER(&sdev->sd, "Response", response, respn);
> + if (check_command_failed(response[0]))
> + return -EBUSY;
> +
> + return 0;
> +}
> +
> +/*
> + * si4713_read_property - reads a si4713 property
> + * @sdev: si4713_device structure for the device we are communicating
> + * @prop: property identification number
> + * @pv: property value to be returned on success
> + */
> +static int si4713_read_property(struct si4713_device *sdev, u16 prop, u32 *pv)
> +{
> + int err;
> + u8 val[SI4713_GET_PROP_NRESP];
> + /*
> + * .First byte = 0
> + * .Second byte = property's MSB
> + * .Third byte = property's LSB
> + */
> + const u8 args[SI4713_GET_PROP_NARGS] = {
> + 0x00,
> + msb(prop),
> + lsb(prop),
> + };
> +
> + err = si4713_send_command(sdev, SI4713_CMD_GET_PROPERTY,
> + args, ARRAY_SIZE(args), val,
> + ARRAY_SIZE(val), DEFAULT_TIMEOUT);
> +
> + if (err < 0)
> + return err;
> +
> + *pv = compose_u16(val[2], val[3]);
> +
> + v4l2_dbg(1, debug, &sdev->sd,
> + "%s: property=0x%02x value=0x%02x status=0x%02x\n",
> + __func__, prop, *pv, val[0]);
> +
> + return err;
> +}
> +
> +/*
> + * si4713_write_property - modifies a si4713 property
> + * @sdev: si4713_device structure for the device we are communicating
> + * @prop: property identification number
> + * @val: new value for that property
> + */
> +static int si4713_write_property(struct si4713_device *sdev, u16 prop, u16 val)
> +{
> + int rval;
> + u8 resp[SI4713_SET_PROP_NRESP];
> + /*
> + * .First byte = 0
> + * .Second byte = property's MSB
> + * .Third byte = property's LSB
> + * .Fourth byte = value's MSB
> + * .Fifth byte = value's LSB
> + */
> + const u8 args[SI4713_SET_PROP_NARGS] = {
> + 0x00,
> + msb(prop),
> + lsb(prop),
> + msb(val),
> + lsb(val),
> + };
> +
> + rval = si4713_send_command(sdev, SI4713_CMD_SET_PROPERTY,
> + args, ARRAY_SIZE(args),
> + resp, ARRAY_SIZE(resp),
> + DEFAULT_TIMEOUT);
> +
> + if (rval < 0)
> + return rval;
> +
> + v4l2_dbg(1, debug, &sdev->sd,
> + "%s: property=0x%02x value=0x%02x status=0x%02x\n",
> + __func__, prop, val, resp[0]);
> +
> + /*
> + * As there is no command response for SET_PROPERTY,
> + * wait Tcomp time to finish before proceed, in order
> + * to have property properly set.
> + */
> + msleep(TIMEOUT_SET_PROPERTY);
> +
> + return rval;
> +}
> +
> +/*
> + * si4713_powerup - Powers the device up
> + * @sdev: si4713_device structure for the device we are communicating
> + */
> +static int si4713_powerup(struct si4713_device *sdev)
> +{
> + int err;
> + u8 resp[SI4713_PWUP_NRESP];
> + /*
> + * .First byte = Enabled interrupts and boot function
> + * .Second byte = Input operation mode
> + */
> + const u8 args[SI4713_PWUP_NARGS] = {
> + SI4713_PWUP_CTSIEN | SI4713_PWUP_GPO2OEN | SI4713_PWUP_FUNC_TX,
> + SI4713_PWUP_OPMOD_ANALOG,
> + };
> +
> + if (sdev->power_state)
> + return 0;
> +
> + err = regulator_bulk_enable(ARRAY_SIZE(sdev->supplies),
> + sdev->supplies);
> + if (err) {
> + v4l2_err(&sdev->sd, "Failed to enable supplies: %d\n", err);
> + return err;
> + }
> + if (gpio_is_valid(sdev->gpio_reset)) {
> + udelay(50);
> + gpio_set_value(sdev->gpio_reset, 1);
> + }
> +
> + err = si4713_send_command(sdev, SI4713_CMD_POWER_UP,
> + args, ARRAY_SIZE(args),
> + resp, ARRAY_SIZE(resp),
> + TIMEOUT_POWER_UP);
> +
> + if (!err) {
> + v4l2_dbg(1, debug, &sdev->sd, "Powerup response: 0x%02x\n",
> + resp[0]);
> + v4l2_dbg(1, debug, &sdev->sd, "Device in power up mode\n");
> + sdev->power_state = POWER_ON;
> +
> + err = si4713_write_property(sdev, SI4713_GPO_IEN,
> + SI4713_STC_INT | SI4713_CTS);
> + } else {
> + if (gpio_is_valid(sdev->gpio_reset))
> + gpio_set_value(sdev->gpio_reset, 0);
> + err = regulator_bulk_disable(ARRAY_SIZE(sdev->supplies),
> + sdev->supplies);
> + if (err)
> + v4l2_err(&sdev->sd,
> + "Failed to disable supplies: %d\n", err);
> + }
> +
> + return err;
> +}
> +
> +/*
> + * si4713_powerdown - Powers the device down
> + * @sdev: si4713_device structure for the device we are communicating
> + */
> +static int si4713_powerdown(struct si4713_device *sdev)
> +{
> + int err;
> + u8 resp[SI4713_PWDN_NRESP];
> +
> + if (!sdev->power_state)
> + return 0;
> +
> + err = si4713_send_command(sdev, SI4713_CMD_POWER_DOWN,
> + NULL, 0,
> + resp, ARRAY_SIZE(resp),
> + DEFAULT_TIMEOUT);
> +
> + if (!err) {
> + v4l2_dbg(1, debug, &sdev->sd, "Power down response: 0x%02x\n",
> + resp[0]);
> + v4l2_dbg(1, debug, &sdev->sd, "Device in reset mode\n");
> + if (gpio_is_valid(sdev->gpio_reset))
> + gpio_set_value(sdev->gpio_reset, 0);
> + err = regulator_bulk_disable(ARRAY_SIZE(sdev->supplies),
> + sdev->supplies);
> + if (err)
> + v4l2_err(&sdev->sd,
> + "Failed to disable supplies: %d\n", err);
> + sdev->power_state = POWER_OFF;
> + }
> +
> + return err;
> +}
> +
> +/*
> + * si4713_checkrev - Checks if we are treating a device with the correct rev.
> + * @sdev: si4713_device structure for the device we are communicating
> + */
> +static int si4713_checkrev(struct si4713_device *sdev)
> +{
> + struct i2c_client *client = v4l2_get_subdevdata(&sdev->sd);
> + int rval;
> + u8 resp[SI4713_GETREV_NRESP];
> +
> + rval = si4713_send_command(sdev, SI4713_CMD_GET_REV,
> + NULL, 0,
> + resp, ARRAY_SIZE(resp),
> + DEFAULT_TIMEOUT);
> +
> + if (rval < 0)
> + return rval;
> +
> + if (resp[1] == SI4713_PRODUCT_NUMBER) {
> + v4l2_info(&sdev->sd, "chip found @ 0x%02x (%s)\n",
> + client->addr << 1, client->adapter->name);
> + } else {
> + v4l2_err(&sdev->sd, "Invalid product number\n");
> + rval = -EINVAL;
> + }
> + return rval;
> +}
> +
> +/*
> + * si4713_wait_stc - Waits STC interrupt and clears status bits. Useful
> + * for TX_TUNE_POWER, TX_TUNE_FREQ and TX_TUNE_MEAS
> + * @sdev: si4713_device structure for the device we are communicating
> + * @usecs: timeout to wait for STC interrupt signal
> + */
> +static int si4713_wait_stc(struct si4713_device *sdev, const int usecs)
> +{
> + int err;
> + u8 resp[SI4713_GET_STATUS_NRESP];
> +
> + /* Wait response from STC interrupt */
> + if (!wait_for_completion_timeout(&sdev->work,
> + usecs_to_jiffies(usecs) + 1))
> + v4l2_warn(&sdev->sd,
> + "%s: device took too much time to answer (%d usec).\n",
> + __func__, usecs);
> +
> + /* Clear status bits */
> + err = si4713_send_command(sdev, SI4713_CMD_GET_INT_STATUS,
> + NULL, 0,
> + resp, ARRAY_SIZE(resp),
> + DEFAULT_TIMEOUT);
> +
> + if (err < 0)
> + goto exit;
> +
> + v4l2_dbg(1, debug, &sdev->sd,
> + "%s: status bits: 0x%02x\n", __func__, resp[0]);
> +
> + if (!(resp[0] & SI4713_STC_INT))
> + err = -EIO;
> +
> +exit:
> + return err;
> +}
> +
> +/*
> + * si4713_tx_tune_freq - Sets the state of the RF carrier and sets the tuning
> + * frequency between 76 and 108 MHz in 10 kHz units and
> + * steps of 50 kHz.
> + * @sdev: si4713_device structure for the device we are communicating
> + * @frequency: desired frequency (76 - 108 MHz, unit 10 KHz, step 50 kHz)
> + */
> +static int si4713_tx_tune_freq(struct si4713_device *sdev, u16 frequency)
> +{
> + int err;
> + u8 val[SI4713_TXFREQ_NRESP];
> + /*
> + * .First byte = 0
> + * .Second byte = frequency's MSB
> + * .Third byte = frequency's LSB
> + */
> + const u8 args[SI4713_TXFREQ_NARGS] = {
> + 0x00,
> + msb(frequency),
> + lsb(frequency),
> + };
> +
> + err = si4713_send_command(sdev, SI4713_CMD_TX_TUNE_FREQ,
> + args, ARRAY_SIZE(args), val,
> + ARRAY_SIZE(val), DEFAULT_TIMEOUT);
> +
> + if (err < 0)
> + return err;
> +
> + v4l2_dbg(1, debug, &sdev->sd,
> + "%s: frequency=0x%02x status=0x%02x\n", __func__,
> + frequency, val[0]);
> +
> + err = si4713_wait_stc(sdev, TIMEOUT_TX_TUNE);
> + if (err < 0)
> + return err;
> +
> + return compose_u16(args[1], args[2]);
> +}
> +
> +/*
> + * si4713_tx_tune_power - Sets the RF voltage level between 88 and 115 dBuV in
> + * 1 dB units. A value of 0x00 indicates off. The command
> + * also sets the antenna tuning capacitance. A value of 0
> + * indicates autotuning, and a value of 1 - 191 indicates
> + * a manual override, which results in a tuning
> + * capacitance of 0.25 pF x @antcap.
> + * @sdev: si4713_device structure for the device we are communicating
> + * @power: tuning power (88 - 115 dBuV, unit/step 1 dB)
> + * @antcap: value of antenna tuning capacitor (0 - 191)
> + */
> +static int si4713_tx_tune_power(struct si4713_device *sdev, u8 power,
> + u8 antcap)
> +{
> + int err;
> + u8 val[SI4713_TXPWR_NRESP];
> + /*
> + * .First byte = 0
> + * .Second byte = 0
> + * .Third byte = power
> + * .Fourth byte = antcap
> + */
> + const u8 args[SI4713_TXPWR_NARGS] = {
> + 0x00,
> + 0x00,
> + power,
> + antcap,
> + };
> +
> + if (((power > 0) && (power < SI4713_MIN_POWER)) ||
> + power > SI4713_MAX_POWER || antcap > SI4713_MAX_ANTCAP)
> + return -EDOM;
> +
> + err = si4713_send_command(sdev, SI4713_CMD_TX_TUNE_POWER,
> + args, ARRAY_SIZE(args), val,
> + ARRAY_SIZE(val), DEFAULT_TIMEOUT);
> +
> + if (err < 0)
> + return err;
> +
> + v4l2_dbg(1, debug, &sdev->sd,
> + "%s: power=0x%02x antcap=0x%02x status=0x%02x\n",
> + __func__, power, antcap, val[0]);
> +
> + return si4713_wait_stc(sdev, TIMEOUT_TX_TUNE_POWER);
> +}
> +
> +/*
> + * si4713_tx_tune_measure - Enters receive mode and measures the received noise
> + * level in units of dBuV on the selected frequency.
> + * The Frequency must be between 76 and 108 MHz in 10 kHz
> + * units and steps of 50 kHz. The command also sets the
> + * antenna tuning capacitance. A value of 0 means
> + * autotuning, and a value of 1 to 191 indicates manual
> + * override.
> + * @sdev: si4713_device structure for the device we are communicating
> + * @frequency: desired frequency (76 - 108 MHz, unit 10 KHz, step 50 kHz)
> + * @antcap: value of antenna tuning capacitor (0 - 191)
> + */
> +static int si4713_tx_tune_measure(struct si4713_device *sdev, u16 frequency,
> + u8 antcap)
> +{
> + int err;
> + u8 val[SI4713_TXMEA_NRESP];
> + /*
> + * .First byte = 0
> + * .Second byte = frequency's MSB
> + * .Third byte = frequency's LSB
> + * .Fourth byte = antcap
> + */
> + const u8 args[SI4713_TXMEA_NARGS] = {
> + 0x00,
> + msb(frequency),
> + lsb(frequency),
> + antcap,
> + };
> +
> + sdev->tune_rnl = DEFAULT_TUNE_RNL;
> +
> + if (antcap > SI4713_MAX_ANTCAP)
> + return -EDOM;
> +
> + err = si4713_send_command(sdev, SI4713_CMD_TX_TUNE_MEASURE,
> + args, ARRAY_SIZE(args), val,
> + ARRAY_SIZE(val), DEFAULT_TIMEOUT);
> +
> + if (err < 0)
> + return err;
> +
> + v4l2_dbg(1, debug, &sdev->sd,
> + "%s: frequency=0x%02x antcap=0x%02x status=0x%02x\n",
> + __func__, frequency, antcap, val[0]);
> +
> + return si4713_wait_stc(sdev, TIMEOUT_TX_TUNE);
> +}
> +
> +/*
> + * si4713_tx_tune_status- Returns the status of the tx_tune_freq, tx_tune_mea or
> + * tx_tune_power commands. This command return the current
> + * frequency, output voltage in dBuV, the antenna tunning
> + * capacitance value and the received noise level. The
> + * command also clears the stcint interrupt bit when the
> + * first bit of its arguments is high.
> + * @sdev: si4713_device structure for the device we are communicating
> + * @intack: 0x01 to clear the seek/tune complete interrupt status indicator.
> + * @frequency: returned frequency
> + * @power: returned power
> + * @antcap: returned antenna capacitance
> + * @noise: returned noise level
> + */
> +static int si4713_tx_tune_status(struct si4713_device *sdev, u8 intack,
> + u16 *frequency, u8 *power,
> + u8 *antcap, u8 *noise)
> +{
> + int err;
> + u8 val[SI4713_TXSTATUS_NRESP];
> + /*
> + * .First byte = intack bit
> + */
> + const u8 args[SI4713_TXSTATUS_NARGS] = {
> + intack & SI4713_INTACK_MASK,
> + };
> +
> + err = si4713_send_command(sdev, SI4713_CMD_TX_TUNE_STATUS,
> + args, ARRAY_SIZE(args), val,
> + ARRAY_SIZE(val), DEFAULT_TIMEOUT);
> +
> + if (!err) {
> + v4l2_dbg(1, debug, &sdev->sd,
> + "%s: status=0x%02x\n", __func__, val[0]);
> + *frequency = compose_u16(val[2], val[3]);
> + sdev->frequency = *frequency;
> + *power = val[5];
> + *antcap = val[6];
> + *noise = val[7];
> + v4l2_dbg(1, debug, &sdev->sd, "%s: response: %d x 10 kHz "
> + "(power %d, antcap %d, rnl %d)\n", __func__,
> + *frequency, *power, *antcap, *noise);
> + }
> +
> + return err;
> +}
> +
> +/*
> + * si4713_tx_rds_buff - Loads the RDS group buffer FIFO or circular buffer.
> + * @sdev: si4713_device structure for the device we are communicating
> + * @mode: the buffer operation mode.
> + * @rdsb: RDS Block B
> + * @rdsc: RDS Block C
> + * @rdsd: RDS Block D
> + * @cbleft: returns the number of available circular buffer blocks minus the
> + * number of used circular buffer blocks.
> + */
> +static int si4713_tx_rds_buff(struct si4713_device *sdev, u8 mode, u16 rdsb,
> + u16 rdsc, u16 rdsd, s8 *cbleft)
> +{
> + int err;
> + u8 val[SI4713_RDSBUFF_NRESP];
> +
> + const u8 args[SI4713_RDSBUFF_NARGS] = {
> + mode & SI4713_RDSBUFF_MODE_MASK,
> + msb(rdsb),
> + lsb(rdsb),
> + msb(rdsc),
> + lsb(rdsc),
> + msb(rdsd),
> + lsb(rdsd),
> + };
> +
> + err = si4713_send_command(sdev, SI4713_CMD_TX_RDS_BUFF,
> + args, ARRAY_SIZE(args), val,
> + ARRAY_SIZE(val), DEFAULT_TIMEOUT);
> +
> + if (!err) {
> + v4l2_dbg(1, debug, &sdev->sd,
> + "%s: status=0x%02x\n", __func__, val[0]);
> + *cbleft = (s8)val[2] - val[3];
> + v4l2_dbg(1, debug, &sdev->sd, "%s: response: interrupts"
> + " 0x%02x cb avail: %d cb used %d fifo avail"
> + " %d fifo used %d\n", __func__, val[1],
> + val[2], val[3], val[4], val[5]);
> + }
> +
> + return err;
> +}
> +
> +/*
> + * si4713_tx_rds_ps - Loads the program service buffer.
> + * @sdev: si4713_device structure for the device we are communicating
> + * @psid: program service id to be loaded.
> + * @pschar: assumed 4 size char array to be loaded into the program service
> + */
> +static int si4713_tx_rds_ps(struct si4713_device *sdev, u8 psid,
> + unsigned char *pschar)
> +{
> + int err;
> + u8 val[SI4713_RDSPS_NRESP];
> +
> + const u8 args[SI4713_RDSPS_NARGS] = {
> + psid & SI4713_RDSPS_PSID_MASK,
> + pschar[0],
> + pschar[1],
> + pschar[2],
> + pschar[3],
> + };
> +
> + err = si4713_send_command(sdev, SI4713_CMD_TX_RDS_PS,
> + args, ARRAY_SIZE(args), val,
> + ARRAY_SIZE(val), DEFAULT_TIMEOUT);
> +
> + if (err < 0)
> + return err;
> +
> + v4l2_dbg(1, debug, &sdev->sd, "%s: status=0x%02x\n", __func__, val[0]);
> +
> + return err;
> +}
> +
> +static int si4713_set_power_state(struct si4713_device *sdev, u8 value)
> +{
> + if (value)
> + return si4713_powerup(sdev);
> + return si4713_powerdown(sdev);
> +}
> +
> +static int si4713_set_mute(struct si4713_device *sdev, u16 mute)
> +{
> + int rval = 0;
> +
> + mute = set_mute(mute);
> +
> + if (sdev->power_state)
> + rval = si4713_write_property(sdev,
> + SI4713_TX_LINE_INPUT_MUTE, mute);
> +
> + return rval;
> +}
> +
> +static int si4713_set_rds_ps_name(struct si4713_device *sdev, char *ps_name)
> +{
> + int rval = 0, i;
> + u8 len = 0;
> +
> + /* We want to clear the whole thing */
> + if (!strlen(ps_name))
> + memset(ps_name, 0, MAX_RDS_PS_NAME + 1);
> +
> + if (sdev->power_state) {
> + /* Write the new ps name and clear the padding */
> + for (i = 0; i < MAX_RDS_PS_NAME; i += (RDS_BLOCK / 2)) {
> + rval = si4713_tx_rds_ps(sdev, (i / (RDS_BLOCK / 2)),
> + ps_name + i);
> + if (rval < 0)
> + return rval;
> + }
> +
> + /* Setup the size to be sent */
> + if (strlen(ps_name))
> + len = strlen(ps_name) - 1;
> + else
> + len = 1;
> +
> + rval = si4713_write_property(sdev,
> + SI4713_TX_RDS_PS_MESSAGE_COUNT,
> + rds_ps_nblocks(len));
> + if (rval < 0)
> + return rval;
> +
> + rval = si4713_write_property(sdev,
> + SI4713_TX_RDS_PS_REPEAT_COUNT,
> + DEFAULT_RDS_PS_REPEAT_COUNT * 2);
> + if (rval < 0)
> + return rval;
> + }
> +
> + return rval;
> +}
> +
> +static int si4713_set_rds_radio_text(struct si4713_device *sdev, char *rt)
> +{
> + int rval = 0, i;
> + u16 t_index = 0;
> + u8 b_index = 0, cr_inserted = 0;
> + s8 left;
> +
> + if (!sdev->power_state)
> + return rval;
> +
> + rval = si4713_tx_rds_buff(sdev, RDS_BLOCK_CLEAR, 0, 0, 0, &left);
> + if (rval < 0)
> + return rval;
> +
> + if (!strlen(rt))
> + return rval;
> +
> + do {
> + /* RDS spec says that if the last block isn't used,
> + * then apply a carriage return
> + */
> + if (t_index < (RDS_RADIOTEXT_INDEX_MAX * RDS_RADIOTEXT_BLK_SIZE)) {
> + for (i = 0; i < RDS_RADIOTEXT_BLK_SIZE; i++) {
> + if (!rt[t_index + i] ||
> + rt[t_index + i] == RDS_CARRIAGE_RETURN) {
> + rt[t_index + i] = RDS_CARRIAGE_RETURN;
> + cr_inserted = 1;
> + break;
> + }
> + }
> + }
> +
> + rval = si4713_tx_rds_buff(sdev, RDS_BLOCK_LOAD,
> + compose_u16(RDS_RADIOTEXT_2A, b_index++),
> + compose_u16(rt[t_index], rt[t_index + 1]),
> + compose_u16(rt[t_index + 2], rt[t_index + 3]),
> + &left);
> + if (rval < 0)
> + return rval;
> +
> + t_index += RDS_RADIOTEXT_BLK_SIZE;
> +
> + if (cr_inserted)
> + break;
> + } while (left > 0);
> +
> + return rval;
> +}
> +
> +/*
> + * si4713_update_tune_status - update properties from tx_tune_status
> + * command. Must be called with sdev->mutex held.
> + * @sdev: si4713_device structure for the device we are communicating
> + */
> +static int si4713_update_tune_status(struct si4713_device *sdev)
> +{
> + int rval;
> + u16 f = 0;
> + u8 p = 0, a = 0, n = 0;
> +
> + rval = si4713_tx_tune_status(sdev, 0x00, &f, &p, &a, &n);
> +
> + if (rval < 0)
> + goto exit;
> +
> +/* TODO: check that power_level and antenna_capacitor really are not
> + changed by the hardware. If they are, then these controls should become
> + volatiles.
> + sdev->power_level = p;
> + sdev->antenna_capacitor = a;*/
> + sdev->tune_rnl = n;
> +
> +exit:
> + return rval;
> +}
> +
> +static int si4713_choose_econtrol_action(struct si4713_device *sdev, u32 id,
> + s32 *bit, s32 *mask, u16 *property, int *mul,
> + unsigned long **table, int *size)
> +{
> + s32 rval = 0;
> +
> + switch (id) {
> + /* FM_TX class controls */
> + case V4L2_CID_RDS_TX_PI:
> + *property = SI4713_TX_RDS_PI;
> + *mul = 1;
> + break;
> + case V4L2_CID_AUDIO_COMPRESSION_THRESHOLD:
> + *property = SI4713_TX_ACOMP_THRESHOLD;
> + *mul = 1;
> + break;
> + case V4L2_CID_AUDIO_COMPRESSION_GAIN:
> + *property = SI4713_TX_ACOMP_GAIN;
> + *mul = 1;
> + break;
> + case V4L2_CID_PILOT_TONE_FREQUENCY:
> + *property = SI4713_TX_PILOT_FREQUENCY;
> + *mul = 1;
> + break;
> + case V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME:
> + *property = SI4713_TX_ACOMP_ATTACK_TIME;
> + *mul = ATTACK_TIME_UNIT;
> + break;
> + case V4L2_CID_PILOT_TONE_DEVIATION:
> + *property = SI4713_TX_PILOT_DEVIATION;
> + *mul = 10;
> + break;
> + case V4L2_CID_AUDIO_LIMITER_DEVIATION:
> + *property = SI4713_TX_AUDIO_DEVIATION;
> + *mul = 10;
> + break;
> + case V4L2_CID_RDS_TX_DEVIATION:
> + *property = SI4713_TX_RDS_DEVIATION;
> + *mul = 1;
> + break;
> +
> + case V4L2_CID_RDS_TX_PTY:
> + *property = SI4713_TX_RDS_PS_MISC;
> + *bit = 5;
> + *mask = 0x1F << 5;
> + break;
> + case V4L2_CID_AUDIO_LIMITER_ENABLED:
> + *property = SI4713_TX_ACOMP_ENABLE;
> + *bit = 1;
> + *mask = 1 << 1;
> + break;
> + case V4L2_CID_AUDIO_COMPRESSION_ENABLED:
> + *property = SI4713_TX_ACOMP_ENABLE;
> + *bit = 0;
> + *mask = 1 << 0;
> + break;
> + case V4L2_CID_PILOT_TONE_ENABLED:
> + *property = SI4713_TX_COMPONENT_ENABLE;
> + *bit = 0;
> + *mask = 1 << 0;
> + break;
> +
> + case V4L2_CID_AUDIO_LIMITER_RELEASE_TIME:
> + *property = SI4713_TX_LIMITER_RELEASE_TIME;
> + *table = limiter_times;
> + *size = ARRAY_SIZE(limiter_times);
> + break;
> + case V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME:
> + *property = SI4713_TX_ACOMP_RELEASE_TIME;
> + *table = acomp_rtimes;
> + *size = ARRAY_SIZE(acomp_rtimes);
> + break;
> + case V4L2_CID_TUNE_PREEMPHASIS:
> + *property = SI4713_TX_PREEMPHASIS;
> + *table = preemphasis_values;
> + *size = ARRAY_SIZE(preemphasis_values);
> + break;
> +
> + default:
> + rval = -EINVAL;
> + break;
> + }
> +
> + return rval;
> +}
> +
> +static int si4713_s_frequency(struct v4l2_subdev *sd, const struct v4l2_frequency *f);
> +static int si4713_s_modulator(struct v4l2_subdev *sd, const struct v4l2_modulator *);
> +/*
> + * si4713_setup - Sets the device up with current configuration.
> + * @sdev: si4713_device structure for the device we are communicating
> + */
> +static int si4713_setup(struct si4713_device *sdev)
> +{
> + struct v4l2_frequency f;
> + struct v4l2_modulator vm;
> + int rval;
> +
> + /* Device procedure needs to set frequency first */
> + f.tuner = 0;
> + f.frequency = sdev->frequency ? sdev->frequency : DEFAULT_FREQUENCY;
> + f.frequency = si4713_to_v4l2(f.frequency);
> + rval = si4713_s_frequency(&sdev->sd, &f);
> +
> + vm.index = 0;
> + if (sdev->stereo)
> + vm.txsubchans = V4L2_TUNER_SUB_STEREO;
> + else
> + vm.txsubchans = V4L2_TUNER_SUB_MONO;
> + if (sdev->rds_enabled)
> + vm.txsubchans |= V4L2_TUNER_SUB_RDS;
> + si4713_s_modulator(&sdev->sd, &vm);
> +
> + return rval;
> +}
> +
> +/*
> + * si4713_initialize - Sets the device up with default configuration.
> + * @sdev: si4713_device structure for the device we are communicating
> + */
> +static int si4713_initialize(struct si4713_device *sdev)
> +{
> + int rval;
> +
> + rval = si4713_set_power_state(sdev, POWER_ON);
> + if (rval < 0)
> + return rval;
> +
> + rval = si4713_checkrev(sdev);
> + if (rval < 0)
> + return rval;
> +
> + rval = si4713_set_power_state(sdev, POWER_OFF);
> + if (rval < 0)
> + return rval;
> +
> +
> + sdev->frequency = DEFAULT_FREQUENCY;
> + sdev->stereo = 1;
> + sdev->tune_rnl = DEFAULT_TUNE_RNL;
> + return 0;
> +}
> +
> +/* si4713_s_ctrl - set the value of a control */
> +static int si4713_s_ctrl(struct v4l2_ctrl *ctrl)
> +{
> + struct si4713_device *sdev =
> + container_of(ctrl->handler, struct si4713_device, ctrl_handler);
> + u32 val = 0;
> + s32 bit = 0, mask = 0;
> + u16 property = 0;
> + int mul = 0;
> + unsigned long *table = NULL;
> + int size = 0;
> + bool force = false;
> + int c;
> + int ret = 0;
> +
> + if (ctrl->id != V4L2_CID_AUDIO_MUTE)
> + return -EINVAL;
> + if (ctrl->is_new) {
> + if (ctrl->val) {
> + ret = si4713_set_mute(sdev, ctrl->val);
> + if (!ret)
> + ret = si4713_set_power_state(sdev, POWER_DOWN);
> + return ret;
> + }
> + ret = si4713_set_power_state(sdev, POWER_UP);
> + if (!ret)
> + ret = si4713_set_mute(sdev, ctrl->val);
> + if (!ret)
> + ret = si4713_setup(sdev);
> + if (ret)
> + return ret;
> + force = true;
> + }
> +
> + if (!sdev->power_state)
> + return 0;
> +
> + for (c = 1; !ret && c < ctrl->ncontrols; c++) {
> + ctrl = ctrl->cluster[c];
> +
> + if (!force && !ctrl->is_new)
> + continue;
> +
> + switch (ctrl->id) {
> + case V4L2_CID_RDS_TX_PS_NAME:
> + ret = si4713_set_rds_ps_name(sdev, ctrl->string);
> + break;
> +
> + case V4L2_CID_RDS_TX_RADIO_TEXT:
> + ret = si4713_set_rds_radio_text(sdev, ctrl->string);
> + break;
> +
> + case V4L2_CID_TUNE_ANTENNA_CAPACITOR:
> + /* don't handle this control if we force setting all
> + * controls since in that case it will be handled by
> + * V4L2_CID_TUNE_POWER_LEVEL. */
> + if (force)
> + break;
> + /* fall through */
> + case V4L2_CID_TUNE_POWER_LEVEL:
> + ret = si4713_tx_tune_power(sdev,
> + sdev->tune_pwr_level->val, sdev->tune_ant_cap->val);
> + if (!ret) {
> + /* Make sure we don't set this twice */
> + sdev->tune_ant_cap->is_new = false;
> + sdev->tune_pwr_level->is_new = false;
> + }
> + break;
> +
> + default:
> + ret = si4713_choose_econtrol_action(sdev, ctrl->id, &bit,
> + &mask, &property, &mul, &table, &size);
> + if (ret < 0)
> + break;
> +
> + val = ctrl->val;
> + if (mul) {
> + val = val / mul;
> + } else if (table) {
> + ret = usecs_to_dev(val, table, size);
> + if (ret < 0)
> + break;
> + val = ret;
> + ret = 0;
> + }
> +
> + if (mask) {
> + ret = si4713_read_property(sdev, property, &val);
> + if (ret < 0)
> + break;
> + val = set_bits(val, ctrl->val, bit, mask);
> + }
> +
> + ret = si4713_write_property(sdev, property, val);
> + if (ret < 0)
> + break;
> + if (mask)
> + val = ctrl->val;
> + break;
> + }
> + }
> +
> + return ret;
> +}
> +
> +/* si4713_ioctl - deal with private ioctls (only rnl for now) */
> +static long si4713_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
> +{
> + struct si4713_device *sdev = to_si4713_device(sd);
> + struct si4713_rnl *rnl = arg;
> + u16 frequency;
> + int rval = 0;
> +
> + if (!arg)
> + return -EINVAL;
> +
> + switch (cmd) {
> + case SI4713_IOC_MEASURE_RNL:
> + frequency = v4l2_to_si4713(rnl->frequency);
> +
> + if (sdev->power_state) {
> + /* Set desired measurement frequency */
> + rval = si4713_tx_tune_measure(sdev, frequency, 0);
> + if (rval < 0)
> + return rval;
> + /* get results from tune status */
> + rval = si4713_update_tune_status(sdev);
> + if (rval < 0)
> + return rval;
> + }
> + rnl->rnl = sdev->tune_rnl;
> + break;
> +
> + default:
> + /* nothing */
> + rval = -ENOIOCTLCMD;
> + }
> +
> + return rval;
> +}
> +
> +/* si4713_g_modulator - get modulator attributes */
> +static int si4713_g_modulator(struct v4l2_subdev *sd, struct v4l2_modulator *vm)
> +{
> + struct si4713_device *sdev = to_si4713_device(sd);
> + int rval = 0;
> +
> + if (!sdev)
> + return -ENODEV;
> +
> + if (vm->index > 0)
> + return -EINVAL;
> +
> + strncpy(vm->name, "FM Modulator", 32);
> + vm->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LOW |
> + V4L2_TUNER_CAP_RDS | V4L2_TUNER_CAP_RDS_CONTROLS;
> +
> + /* Report current frequency range limits */
> + vm->rangelow = si4713_to_v4l2(FREQ_RANGE_LOW);
> + vm->rangehigh = si4713_to_v4l2(FREQ_RANGE_HIGH);
> +
> + if (sdev->power_state) {
> + u32 comp_en = 0;
> +
> + rval = si4713_read_property(sdev, SI4713_TX_COMPONENT_ENABLE,
> + &comp_en);
> + if (rval < 0)
> + return rval;
> +
> + sdev->stereo = get_status_bit(comp_en, 1, 1 << 1);
> + }
> +
> + /* Report current audio mode: mono or stereo */
> + if (sdev->stereo)
> + vm->txsubchans = V4L2_TUNER_SUB_STEREO;
> + else
> + vm->txsubchans = V4L2_TUNER_SUB_MONO;
> +
> + /* Report rds feature status */
> + if (sdev->rds_enabled)
> + vm->txsubchans |= V4L2_TUNER_SUB_RDS;
> + else
> + vm->txsubchans &= ~V4L2_TUNER_SUB_RDS;
> +
> + return rval;
> +}
> +
> +/* si4713_s_modulator - set modulator attributes */
> +static int si4713_s_modulator(struct v4l2_subdev *sd, const struct v4l2_modulator *vm)
> +{
> + struct si4713_device *sdev = to_si4713_device(sd);
> + int rval = 0;
> + u16 stereo, rds;
> + u32 p;
> +
> + if (!sdev)
> + return -ENODEV;
> +
> + if (vm->index > 0)
> + return -EINVAL;
> +
> + /* Set audio mode: mono or stereo */
> + if (vm->txsubchans & V4L2_TUNER_SUB_STEREO)
> + stereo = 1;
> + else if (vm->txsubchans & V4L2_TUNER_SUB_MONO)
> + stereo = 0;
> + else
> + return -EINVAL;
> +
> + rds = !!(vm->txsubchans & V4L2_TUNER_SUB_RDS);
> +
> + if (sdev->power_state) {
> + rval = si4713_read_property(sdev,
> + SI4713_TX_COMPONENT_ENABLE, &p);
> + if (rval < 0)
> + return rval;
> +
> + p = set_bits(p, stereo, 1, 1 << 1);
> + p = set_bits(p, rds, 2, 1 << 2);
> +
> + rval = si4713_write_property(sdev,
> + SI4713_TX_COMPONENT_ENABLE, p);
> + if (rval < 0)
> + return rval;
> + }
> +
> + sdev->stereo = stereo;
> + sdev->rds_enabled = rds;
> +
> + return rval;
> +}
> +
> +/* si4713_g_frequency - get tuner or modulator radio frequency */
> +static int si4713_g_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f)
> +{
> + struct si4713_device *sdev = to_si4713_device(sd);
> + int rval = 0;
> +
> + if (f->tuner)
> + return -EINVAL;
> +
> + if (sdev->power_state) {
> + u16 freq;
> + u8 p, a, n;
> +
> + rval = si4713_tx_tune_status(sdev, 0x00, &freq, &p, &a, &n);
> + if (rval < 0)
> + return rval;
> +
> + sdev->frequency = freq;
> + }
> +
> + f->frequency = si4713_to_v4l2(sdev->frequency);
> +
> + return rval;
> +}
> +
> +/* si4713_s_frequency - set tuner or modulator radio frequency */
> +static int si4713_s_frequency(struct v4l2_subdev *sd, const struct v4l2_frequency *f)
> +{
> + struct si4713_device *sdev = to_si4713_device(sd);
> + int rval = 0;
> + u16 frequency = v4l2_to_si4713(f->frequency);
> +
> + if (f->tuner)
> + return -EINVAL;
> +
> + /* Check frequency range */
> + frequency = clamp_t(u16, frequency, FREQ_RANGE_LOW, FREQ_RANGE_HIGH);
> +
> + if (sdev->power_state) {
> + rval = si4713_tx_tune_freq(sdev, frequency);
> + if (rval < 0)
> + return rval;
> + frequency = rval;
> + rval = 0;
> + }
> + sdev->frequency = frequency;
> +
> + return rval;
> +}
> +
> +static const struct v4l2_ctrl_ops si4713_ctrl_ops = {
> + .s_ctrl = si4713_s_ctrl,
> +};
> +
> +static const struct v4l2_subdev_core_ops si4713_subdev_core_ops = {
> + .ioctl = si4713_ioctl,
> +};
> +
> +static const struct v4l2_subdev_tuner_ops si4713_subdev_tuner_ops = {
> + .g_frequency = si4713_g_frequency,
> + .s_frequency = si4713_s_frequency,
> + .g_modulator = si4713_g_modulator,
> + .s_modulator = si4713_s_modulator,
> +};
> +
> +static const struct v4l2_subdev_ops si4713_subdev_ops = {
> + .core = &si4713_subdev_core_ops,
> + .tuner = &si4713_subdev_tuner_ops,
> +};
> +
> +/*
> + * I2C driver interface
> + */
> +/* si4713_probe - probe for the device */
> +static int si4713_probe(struct i2c_client *client,
> + const struct i2c_device_id *id)
> +{
> + struct si4713_device *sdev;
> + struct si4713_platform_data *pdata = client->dev.platform_data;
> + struct v4l2_ctrl_handler *hdl;
> + int rval, i;
> +
> + sdev = kzalloc(sizeof *sdev, GFP_KERNEL);
> + if (!sdev) {
> + dev_err(&client->dev, "Failed to alloc video device.\n");
> + rval = -ENOMEM;
> + goto exit;
> + }
> +
> + sdev->gpio_reset = -1;
> + if (pdata && gpio_is_valid(pdata->gpio_reset)) {
> + rval = gpio_request(pdata->gpio_reset, "si4713 reset");
> + if (rval) {
> + dev_err(&client->dev,
> + "Failed to request gpio: %d\n", rval);
> + goto free_sdev;
> + }
> + sdev->gpio_reset = pdata->gpio_reset;
> + gpio_direction_output(sdev->gpio_reset, 0);
> + }
> +
> + for (i = 0; i < ARRAY_SIZE(sdev->supplies); i++)
> + sdev->supplies[i].supply = si4713_supply_names[i];
> +
> + rval = regulator_bulk_get(&client->dev, ARRAY_SIZE(sdev->supplies),
> + sdev->supplies);
> + if (rval) {
> + dev_err(&client->dev, "Cannot get regulators: %d\n", rval);
> + goto free_gpio;
> + }
> +
> + v4l2_i2c_subdev_init(&sdev->sd, client, &si4713_subdev_ops);
> +
> + init_completion(&sdev->work);
> +
> + hdl = &sdev->ctrl_handler;
> + v4l2_ctrl_handler_init(hdl, 20);
> + sdev->mute = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> + V4L2_CID_AUDIO_MUTE, 0, 1, 1, DEFAULT_MUTE);
> +
> + sdev->rds_pi = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> + V4L2_CID_RDS_TX_PI, 0, 0xffff, 1, DEFAULT_RDS_PI);
> + sdev->rds_pty = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> + V4L2_CID_RDS_TX_PTY, 0, 31, 1, DEFAULT_RDS_PTY);
> + sdev->rds_deviation = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> + V4L2_CID_RDS_TX_DEVIATION, 0, MAX_RDS_DEVIATION,
> + 10, DEFAULT_RDS_DEVIATION);
> + /*
> + * Report step as 8. From RDS spec, psname
> + * should be 8. But there are receivers which scroll strings
> + * sized as 8xN.
> + */
> + sdev->rds_ps_name = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> + V4L2_CID_RDS_TX_PS_NAME, 0, MAX_RDS_PS_NAME, 8, 0);
> + /*
> + * Report step as 32 (2A block). From RDS spec,
> + * radio text should be 32 for 2A block. But there are receivers
> + * which scroll strings sized as 32xN. Setting default to 32.
> + */
> + sdev->rds_radio_text = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> + V4L2_CID_RDS_TX_RADIO_TEXT, 0, MAX_RDS_RADIO_TEXT, 32, 0);
> +
> + sdev->limiter_enabled = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> + V4L2_CID_AUDIO_LIMITER_ENABLED, 0, 1, 1, 1);
> + sdev->limiter_release_time = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> + V4L2_CID_AUDIO_LIMITER_RELEASE_TIME, 250,
> + MAX_LIMITER_RELEASE_TIME, 10, DEFAULT_LIMITER_RTIME);
> + sdev->limiter_deviation = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> + V4L2_CID_AUDIO_LIMITER_DEVIATION, 0,
> + MAX_LIMITER_DEVIATION, 10, DEFAULT_LIMITER_DEV);
> +
> + sdev->compression_enabled = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> + V4L2_CID_AUDIO_COMPRESSION_ENABLED, 0, 1, 1, 1);
> + sdev->compression_gain = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> + V4L2_CID_AUDIO_COMPRESSION_GAIN, 0, MAX_ACOMP_GAIN, 1,
> + DEFAULT_ACOMP_GAIN);
> + sdev->compression_threshold = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> + V4L2_CID_AUDIO_COMPRESSION_THRESHOLD, MIN_ACOMP_THRESHOLD,
> + MAX_ACOMP_THRESHOLD, 1,
> + DEFAULT_ACOMP_THRESHOLD);
> + sdev->compression_attack_time = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> + V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME, 0,
> + MAX_ACOMP_ATTACK_TIME, 500, DEFAULT_ACOMP_ATIME);
> + sdev->compression_release_time = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> + V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME, 100000,
> + MAX_ACOMP_RELEASE_TIME, 100000, DEFAULT_ACOMP_RTIME);
> +
> + sdev->pilot_tone_enabled = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> + V4L2_CID_PILOT_TONE_ENABLED, 0, 1, 1, 1);
> + sdev->pilot_tone_deviation = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> + V4L2_CID_PILOT_TONE_DEVIATION, 0, MAX_PILOT_DEVIATION,
> + 10, DEFAULT_PILOT_DEVIATION);
> + sdev->pilot_tone_freq = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> + V4L2_CID_PILOT_TONE_FREQUENCY, 0, MAX_PILOT_FREQUENCY,
> + 1, DEFAULT_PILOT_FREQUENCY);
> +
> + sdev->tune_preemphasis = v4l2_ctrl_new_std_menu(hdl, &si4713_ctrl_ops,
> + V4L2_CID_TUNE_PREEMPHASIS,
> + V4L2_PREEMPHASIS_75_uS, 0, V4L2_PREEMPHASIS_50_uS);
> + sdev->tune_pwr_level = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> + V4L2_CID_TUNE_POWER_LEVEL, 0, 120, 1, DEFAULT_POWER_LEVEL);
> + sdev->tune_ant_cap = v4l2_ctrl_new_std(hdl, &si4713_ctrl_ops,
> + V4L2_CID_TUNE_ANTENNA_CAPACITOR, 0, 191, 1, 0);
> +
> + if (hdl->error) {
> + rval = hdl->error;
> + goto free_ctrls;
> + }
> + v4l2_ctrl_cluster(20, &sdev->mute);
> + sdev->sd.ctrl_handler = hdl;
> +
> + if (client->irq) {
> + rval = request_irq(client->irq,
> + si4713_handler, IRQF_TRIGGER_FALLING | IRQF_DISABLED,
> + client->name, sdev);
> + if (rval < 0) {
> + v4l2_err(&sdev->sd, "Could not request IRQ\n");
> + goto put_reg;
> + }
> + v4l2_dbg(1, debug, &sdev->sd, "IRQ requested.\n");
> + } else {
> + v4l2_warn(&sdev->sd, "IRQ not configured. Using timeouts.\n");
> + }
> +
> + rval = si4713_initialize(sdev);
> + if (rval < 0) {
> + v4l2_err(&sdev->sd, "Failed to probe device information.\n");
> + goto free_irq;
> + }
> +
> + return 0;
> +
> +free_irq:
> + if (client->irq)
> + free_irq(client->irq, sdev);
> +free_ctrls:
> + v4l2_ctrl_handler_free(hdl);
> +put_reg:
> + regulator_bulk_free(ARRAY_SIZE(sdev->supplies), sdev->supplies);
> +free_gpio:
> + if (gpio_is_valid(sdev->gpio_reset))
> + gpio_free(sdev->gpio_reset);
> +free_sdev:
> + kfree(sdev);
> +exit:
> + return rval;
> +}
> +
> +/* si4713_remove - remove the device */
> +static int si4713_remove(struct i2c_client *client)
> +{
> + struct v4l2_subdev *sd = i2c_get_clientdata(client);
> + struct si4713_device *sdev = to_si4713_device(sd);
> +
> + if (sdev->power_state)
> + si4713_set_power_state(sdev, POWER_DOWN);
> +
> + if (client->irq > 0)
> + free_irq(client->irq, sdev);
> +
> + v4l2_device_unregister_subdev(sd);
> + v4l2_ctrl_handler_free(sd->ctrl_handler);
> + regulator_bulk_free(ARRAY_SIZE(sdev->supplies), sdev->supplies);
> + if (gpio_is_valid(sdev->gpio_reset))
> + gpio_free(sdev->gpio_reset);
> + kfree(sdev);
> +
> + return 0;
> +}
> +
> +/* si4713_i2c_driver - i2c driver interface */
> +static const struct i2c_device_id si4713_id[] = {
> + { "si4713" , 0 },
> + { },
> +};
> +MODULE_DEVICE_TABLE(i2c, si4713_id);
> +
> +static struct i2c_driver si4713_i2c_driver = {
> + .driver = {
> + .name = "si4713",
> + },
> + .probe = si4713_probe,
> + .remove = si4713_remove,
> + .id_table = si4713_id,
> +};
> +
> +module_i2c_driver(si4713_i2c_driver);
> diff --git a/drivers/media/radio/si4713/si4713.h b/drivers/media/radio/si4713/si4713.h
> new file mode 100644
> index 0000000..c274e1f
> --- /dev/null
> +++ b/drivers/media/radio/si4713/si4713.h
> @@ -0,0 +1,238 @@
> +/*
> + * drivers/media/radio/si4713.h
> + *
> + * Property and commands definitions for Si4713 radio transmitter chip.
> + *
> + * Copyright (c) 2008 Instituto Nokia de Tecnologia - INdT
> + * Contact: Eduardo Valentin <eduardo.valentin@xxxxxxxxx>
> + *
> + * This file is licensed under the terms of the GNU General Public License
> + * version 2. This program is licensed "as is" without any warranty of any
> + * kind, whether express or implied.
> + *
> + */
> +
> +#ifndef SI4713_I2C_H
> +#define SI4713_I2C_H
> +
> +#include <media/v4l2-subdev.h>
> +#include <media/v4l2-ctrls.h>
> +#include <media/si4713.h>
> +
> +#define SI4713_PRODUCT_NUMBER 0x0D
> +
> +/* Command Timeouts */
> +#define DEFAULT_TIMEOUT 500
> +#define TIMEOUT_SET_PROPERTY 20
> +#define TIMEOUT_TX_TUNE_POWER 30000
> +#define TIMEOUT_TX_TUNE 110000
> +#define TIMEOUT_POWER_UP 200000
> +
> +/*
> + * Command and its arguments definitions
> + */
> +#define SI4713_PWUP_CTSIEN (1<<7)
> +#define SI4713_PWUP_GPO2OEN (1<<6)
> +#define SI4713_PWUP_PATCH (1<<5)
> +#define SI4713_PWUP_XOSCEN (1<<4)
> +#define SI4713_PWUP_FUNC_TX 0x02
> +#define SI4713_PWUP_FUNC_PATCH 0x0F
> +#define SI4713_PWUP_OPMOD_ANALOG 0x50
> +#define SI4713_PWUP_OPMOD_DIGITAL 0x0F
> +#define SI4713_PWUP_NARGS 2
> +#define SI4713_PWUP_NRESP 1
> +#define SI4713_CMD_POWER_UP 0x01
> +
> +#define SI4713_GETREV_NRESP 9
> +#define SI4713_CMD_GET_REV 0x10
> +
> +#define SI4713_PWDN_NRESP 1
> +#define SI4713_CMD_POWER_DOWN 0x11
> +
> +#define SI4713_SET_PROP_NARGS 5
> +#define SI4713_SET_PROP_NRESP 1
> +#define SI4713_CMD_SET_PROPERTY 0x12
> +
> +#define SI4713_GET_PROP_NARGS 3
> +#define SI4713_GET_PROP_NRESP 4
> +#define SI4713_CMD_GET_PROPERTY 0x13
> +
> +#define SI4713_GET_STATUS_NRESP 1
> +#define SI4713_CMD_GET_INT_STATUS 0x14
> +
> +#define SI4713_CMD_PATCH_ARGS 0x15
> +#define SI4713_CMD_PATCH_DATA 0x16
> +
> +#define SI4713_MAX_FREQ 10800
> +#define SI4713_MIN_FREQ 7600
> +#define SI4713_TXFREQ_NARGS 3
> +#define SI4713_TXFREQ_NRESP 1
> +#define SI4713_CMD_TX_TUNE_FREQ 0x30
> +
> +#define SI4713_MAX_POWER 120
> +#define SI4713_MIN_POWER 88
> +#define SI4713_MAX_ANTCAP 191
> +#define SI4713_MIN_ANTCAP 0
> +#define SI4713_TXPWR_NARGS 4
> +#define SI4713_TXPWR_NRESP 1
> +#define SI4713_CMD_TX_TUNE_POWER 0x31
> +
> +#define SI4713_TXMEA_NARGS 4
> +#define SI4713_TXMEA_NRESP 1
> +#define SI4713_CMD_TX_TUNE_MEASURE 0x32
> +
> +#define SI4713_INTACK_MASK 0x01
> +#define SI4713_TXSTATUS_NARGS 1
> +#define SI4713_TXSTATUS_NRESP 8
> +#define SI4713_CMD_TX_TUNE_STATUS 0x33
> +
> +#define SI4713_OVERMOD_BIT (1 << 2)
> +#define SI4713_IALH_BIT (1 << 1)
> +#define SI4713_IALL_BIT (1 << 0)
> +#define SI4713_ASQSTATUS_NARGS 1
> +#define SI4713_ASQSTATUS_NRESP 5
> +#define SI4713_CMD_TX_ASQ_STATUS 0x34
> +
> +#define SI4713_RDSBUFF_MODE_MASK 0x87
> +#define SI4713_RDSBUFF_NARGS 7
> +#define SI4713_RDSBUFF_NRESP 6
> +#define SI4713_CMD_TX_RDS_BUFF 0x35
> +
> +#define SI4713_RDSPS_PSID_MASK 0x1F
> +#define SI4713_RDSPS_NARGS 5
> +#define SI4713_RDSPS_NRESP 1
> +#define SI4713_CMD_TX_RDS_PS 0x36
> +
> +#define SI4713_CMD_GPO_CTL 0x80
> +#define SI4713_CMD_GPO_SET 0x81
> +
> +/*
> + * Bits from status response
> + */
> +#define SI4713_CTS (1<<7)
> +#define SI4713_ERR (1<<6)
> +#define SI4713_RDS_INT (1<<2)
> +#define SI4713_ASQ_INT (1<<1)
> +#define SI4713_STC_INT (1<<0)
> +
> +/*
> + * Property definitions
> + */
> +#define SI4713_GPO_IEN 0x0001
> +#define SI4713_DIG_INPUT_FORMAT 0x0101
> +#define SI4713_DIG_INPUT_SAMPLE_RATE 0x0103
> +#define SI4713_REFCLK_FREQ 0x0201
> +#define SI4713_REFCLK_PRESCALE 0x0202
> +#define SI4713_TX_COMPONENT_ENABLE 0x2100
> +#define SI4713_TX_AUDIO_DEVIATION 0x2101
> +#define SI4713_TX_PILOT_DEVIATION 0x2102
> +#define SI4713_TX_RDS_DEVIATION 0x2103
> +#define SI4713_TX_LINE_INPUT_LEVEL 0x2104
> +#define SI4713_TX_LINE_INPUT_MUTE 0x2105
> +#define SI4713_TX_PREEMPHASIS 0x2106
> +#define SI4713_TX_PILOT_FREQUENCY 0x2107
> +#define SI4713_TX_ACOMP_ENABLE 0x2200
> +#define SI4713_TX_ACOMP_THRESHOLD 0x2201
> +#define SI4713_TX_ACOMP_ATTACK_TIME 0x2202
> +#define SI4713_TX_ACOMP_RELEASE_TIME 0x2203
> +#define SI4713_TX_ACOMP_GAIN 0x2204
> +#define SI4713_TX_LIMITER_RELEASE_TIME 0x2205
> +#define SI4713_TX_ASQ_INTERRUPT_SOURCE 0x2300
> +#define SI4713_TX_ASQ_LEVEL_LOW 0x2301
> +#define SI4713_TX_ASQ_DURATION_LOW 0x2302
> +#define SI4713_TX_ASQ_LEVEL_HIGH 0x2303
> +#define SI4713_TX_ASQ_DURATION_HIGH 0x2304
> +#define SI4713_TX_RDS_INTERRUPT_SOURCE 0x2C00
> +#define SI4713_TX_RDS_PI 0x2C01
> +#define SI4713_TX_RDS_PS_MIX 0x2C02
> +#define SI4713_TX_RDS_PS_MISC 0x2C03
> +#define SI4713_TX_RDS_PS_REPEAT_COUNT 0x2C04
> +#define SI4713_TX_RDS_PS_MESSAGE_COUNT 0x2C05
> +#define SI4713_TX_RDS_PS_AF 0x2C06
> +#define SI4713_TX_RDS_FIFO_SIZE 0x2C07
> +
> +#define PREEMPHASIS_USA 75
> +#define PREEMPHASIS_EU 50
> +#define PREEMPHASIS_DISABLED 0
> +#define FMPE_USA 0x00
> +#define FMPE_EU 0x01
> +#define FMPE_DISABLED 0x02
> +
> +#define POWER_UP 0x01
> +#define POWER_DOWN 0x00
> +
> +#define MAX_RDS_PTY 31
> +#define MAX_RDS_DEVIATION 90000
> +
> +/*
> + * PSNAME is known to be defined as 8 character sized (RDS Spec).
> + * However, there is receivers which scroll PSNAME 8xN sized.
> + */
> +#define MAX_RDS_PS_NAME 96
> +
> +/*
> + * MAX_RDS_RADIO_TEXT is known to be defined as 32 (2A group) or 64 (2B group)
> + * character sized (RDS Spec).
> + * However, there is receivers which scroll them as well.
> + */
> +#define MAX_RDS_RADIO_TEXT 384
> +
> +#define MAX_LIMITER_RELEASE_TIME 102390
> +#define MAX_LIMITER_DEVIATION 90000
> +
> +#define MAX_PILOT_DEVIATION 90000
> +#define MAX_PILOT_FREQUENCY 19000
> +
> +#define MAX_ACOMP_RELEASE_TIME 1000000
> +#define MAX_ACOMP_ATTACK_TIME 5000
> +#define MAX_ACOMP_THRESHOLD 0
> +#define MIN_ACOMP_THRESHOLD (-40)
> +#define MAX_ACOMP_GAIN 20
> +
> +#define SI4713_NUM_SUPPLIES 2
> +
> +/*
> + * si4713_device - private data
> + */
> +struct si4713_device {
> + /* v4l2_subdev and i2c reference (v4l2_subdev priv data) */
> + struct v4l2_subdev sd;
> + struct v4l2_ctrl_handler ctrl_handler;
> + /* private data structures */
> + struct { /* si4713 control cluster */
> + /* This is one big cluster since the mute control
> + * powers off the device and after unmuting again all
> + * controls need to be set at once. The only way of doing
> + * that is by making it one big cluster. */
> + struct v4l2_ctrl *mute;
> + struct v4l2_ctrl *rds_ps_name;
> + struct v4l2_ctrl *rds_radio_text;
> + struct v4l2_ctrl *rds_pi;
> + struct v4l2_ctrl *rds_deviation;
> + struct v4l2_ctrl *rds_pty;
> + struct v4l2_ctrl *compression_enabled;
> + struct v4l2_ctrl *compression_threshold;
> + struct v4l2_ctrl *compression_gain;
> + struct v4l2_ctrl *compression_attack_time;
> + struct v4l2_ctrl *compression_release_time;
> + struct v4l2_ctrl *pilot_tone_enabled;
> + struct v4l2_ctrl *pilot_tone_freq;
> + struct v4l2_ctrl *pilot_tone_deviation;
> + struct v4l2_ctrl *limiter_enabled;
> + struct v4l2_ctrl *limiter_deviation;
> + struct v4l2_ctrl *limiter_release_time;
> + struct v4l2_ctrl *tune_preemphasis;
> + struct v4l2_ctrl *tune_pwr_level;
> + struct v4l2_ctrl *tune_ant_cap;
> + };
> + struct completion work;
> + struct regulator_bulk_data supplies[SI4713_NUM_SUPPLIES];
> + int gpio_reset;
> + u32 power_state;
> + u32 rds_enabled;
> + u32 frequency;
> + u32 preemphasis;
> + u32 stereo;
> + u32 tune_rnl;
> +};
> +#endif /* ifndef SI4713_I2C_H */
> --
> 1.8.4.rc2
>
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--
Eduardo Bezerra Valentin
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