Re: [PATCH 1/4] media: radio-wl1273: Remove

Laurent Pinchart
2025-08-08T15:52:22Z

Hi David,

Thank you for the patch.

On Wed, Jun 25, 2025 at 02:32:55PM +0100, linux@treblig.org wrote:
> From: "Dr. David Alan Gilbert" <linux@treblig.org>
>
> The wl1273 FM radio is on Arnd's unused driver list:
> https://lore.kernel.org/lkml/a15bb180-401d-49ad-a212-0c81d613fbc8@app.fastmail.com/
>
> remove the radio component itself.
>
> Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

> ---
> drivers/media/radio/Kconfig | 17 -
> drivers/media/radio/Makefile | 1 -
> drivers/media/radio/radio-wl1273.c | 2159 ----------------------------
> 3 files changed, 2177 deletions(-)
> delete mode 100644 drivers/media/radio/radio-wl1273.c
>
> diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig
> index 72776d08046a..bbbdd054ba64 100644
> --- a/drivers/media/radio/Kconfig
> +++ b/drivers/media/radio/Kconfig
> @@ -141,23 +141,6 @@ config RADIO_TIMBERDALE
> found behind the Timberdale FPGA on the Russellville board.
> Enabling this driver will automatically select the DSP and tuner.
>
> -config RADIO_WL1273
> - tristate "Texas Instruments WL1273 I2C FM Radio"
> - depends on I2C
> - select MFD_CORE
> - select MFD_WL1273_CORE
> - select FW_LOADER
> - help
> - Choose Y here if you have this FM radio chip.
> -
> - In order to control your radio card, you will need to use programs
> - that are compatible with the Video For Linux 2 API. Information on
> - this API and pointers to "v4l2" programs may be found at
> - <file:Documentation/userspace-api/media/index.rst>.
> -
> - To compile this driver as a module, choose M here: the
> - module will be called radio-wl1273.
> -
> config USB_DSBR
> tristate "D-Link/GemTek USB FM radio support"
> depends on USB
> diff --git a/drivers/media/radio/Makefile b/drivers/media/radio/Makefile
> index 1ff46f3a6ed3..f54693ebdb30 100644
> --- a/drivers/media/radio/Makefile
> +++ b/drivers/media/radio/Makefile
> @@ -30,7 +30,6 @@ obj-$(CONFIG_RADIO_TERRATEC) += radio-terratec.o
> obj-$(CONFIG_RADIO_TIMBERDALE) += radio-timb.o
> obj-$(CONFIG_RADIO_TRUST) += radio-trust.o
> obj-$(CONFIG_RADIO_TYPHOON) += radio-typhoon.o
> -obj-$(CONFIG_RADIO_WL1273) += radio-wl1273.o
> obj-$(CONFIG_RADIO_ZOLTRIX) += radio-zoltrix.o
>
> obj-$(CONFIG_USB_DSBR) += dsbr100.o
> diff --git a/drivers/media/radio/radio-wl1273.c b/drivers/media/radio/radio-wl1273.c
> deleted file mode 100644
> index f55217ccf2b8..000000000000
> --- a/drivers/media/radio/radio-wl1273.c
> +++ /dev/null
> @@ -1,2159 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0-only
> -/*
> - * Driver for the Texas Instruments WL1273 FM radio.
> - *
> - * Copyright (C) 2011 Nokia Corporation
> - * Author: Matti J. Aaltonen <matti.j.aaltonen@nokia.com>
> - */
> -
> -#include <linux/delay.h>
> -#include <linux/firmware.h>
> -#include <linux/interrupt.h>
> -#include <linux/mfd/wl1273-core.h>
> -#include <linux/slab.h>
> -#include <linux/module.h>
> -#include <media/v4l2-common.h>
> -#include <media/v4l2-ctrls.h>
> -#include <media/v4l2-device.h>
> -#include <media/v4l2-ioctl.h>
> -
> -#define DRIVER_DESC "Wl1273 FM Radio"
> -
> -#define WL1273_POWER_SET_OFF 0
> -#define WL1273_POWER_SET_FM BIT(0)
> -#define WL1273_POWER_SET_RDS BIT(1)
> -#define WL1273_POWER_SET_RETENTION BIT(4)
> -
> -#define WL1273_PUPD_SET_OFF 0x00
> -#define WL1273_PUPD_SET_ON 0x01
> -#define WL1273_PUPD_SET_RETENTION 0x10
> -
> -#define WL1273_FREQ(x) (x * 10000 / 625)
> -#define WL1273_INV_FREQ(x) (x * 625 / 10000)
> -
> -/*
> - * static int radio_nr - The number of the radio device
> - *
> - * The default is 0.
> - */
> -static int radio_nr;
> -module_param(radio_nr, int, 0);
> -MODULE_PARM_DESC(radio_nr, "The number of the radio device. Default = 0");
> -
> -struct wl1273_device {
> - char *bus_type;
> -
> - u8 forbidden;
> - unsigned int preemphasis;
> - unsigned int spacing;
> - unsigned int tx_power;
> - unsigned int rx_frequency;
> - unsigned int tx_frequency;
> - unsigned int rangelow;
> - unsigned int rangehigh;
> - unsigned int band;
> - bool stereo;
> -
> - /* RDS */
> - unsigned int rds_on;
> -
> - wait_queue_head_t read_queue;
> - struct mutex lock; /* for serializing fm radio operations */
> - struct completion busy;
> -
> - unsigned char *buffer;
> - unsigned int buf_size;
> - unsigned int rd_index;
> - unsigned int wr_index;
> -
> - /* Selected interrupts */
> - u16 irq_flags;
> - u16 irq_received;
> -
> - struct v4l2_ctrl_handler ctrl_handler;
> - struct v4l2_device v4l2dev;
> - struct video_device videodev;
> - struct device *dev;
> - struct wl1273_core *core;
> - struct file *owner;
> - char *write_buf;
> - unsigned int rds_users;
> -};
> -
> -#define WL1273_IRQ_MASK (WL1273_FR_EVENT | \
> - WL1273_POW_ENB_EVENT)
> -
> -/*
> - * static unsigned int rds_buf - the number of RDS buffer blocks used.
> - *
> - * The default number is 100.
> - */
> -static unsigned int rds_buf = 100;
> -module_param(rds_buf, uint, 0);
> -MODULE_PARM_DESC(rds_buf, "Number of RDS buffer entries. Default = 100");
> -
> -static int wl1273_fm_write_fw(struct wl1273_core *core,
> - __u8 *fw, int len)
> -{
> - struct i2c_client *client = core->client;
> - struct i2c_msg msg;
> - int i, r = 0;
> -
> - msg.addr = client->addr;
> - msg.flags = 0;
> -
> - for (i = 0; i <= len; i++) {
> - msg.len = fw[0];
> - msg.buf = fw + 1;
> -
> - fw += msg.len + 1;
> - dev_dbg(&client->dev, "%s:len[%d]: %d\n", __func__, i, msg.len);
> -
> - r = i2c_transfer(client->adapter, &msg, 1);
> - if (r < 0 && i < len + 1)
> - break;
> - }
> -
> - dev_dbg(&client->dev, "%s: i: %d\n", __func__, i);
> - dev_dbg(&client->dev, "%s: len + 1: %d\n", __func__, len + 1);
> -
> - /* Last transfer always fails. */
> - if (i == len || r == 1)
> - r = 0;
> -
> - return r;
> -}
> -
> -#define WL1273_FIFO_HAS_DATA(status) (1 << 5 & status)
> -#define WL1273_RDS_CORRECTABLE_ERROR (1 << 3)
> -#define WL1273_RDS_UNCORRECTABLE_ERROR (1 << 4)
> -
> -static int wl1273_fm_rds(struct wl1273_device *radio)
> -{
> - struct wl1273_core *core = radio->core;
> - struct i2c_client *client = core->client;
> - u16 val;
> - u8 b0 = WL1273_RDS_DATA_GET, status;
> - struct v4l2_rds_data rds = { 0, 0, 0 };
> - struct i2c_msg msg[] = {
> - {
> - .addr = client->addr,
> - .flags = 0,
> - .buf = &b0,
> - .len = 1,
> - },
> - {
> - .addr = client->addr,
> - .flags = I2C_M_RD,
> - .buf = (u8 *) &rds,
> - .len = sizeof(rds),
> - }
> - };
> - int r;
> -
> - if (core->mode != WL1273_MODE_RX)
> - return 0;
> -
> - r = core->read(core, WL1273_RDS_SYNC_GET, &val);
> - if (r)
> - return r;
> -
> - if ((val & 0x01) == 0) {
> - /* RDS decoder not synchronized */
> - return -EAGAIN;
> - }
> -
> - /* copy all four RDS blocks to internal buffer */
> - do {
> - r = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg));
> - if (r != ARRAY_SIZE(msg)) {
> - dev_err(radio->dev, WL1273_FM_DRIVER_NAME
> - ": %s: read_rds error r == %i)\n",
> - __func__, r);
> - }
> -
> - status = rds.block;
> -
> - if (!WL1273_FIFO_HAS_DATA(status))
> - break;
> -
> - /* copy bits 0-2 (the block ID) to bits 3-5 */
> - rds.block = V4L2_RDS_BLOCK_MSK & status;
> - rds.block |= rds.block << 3;
> -
> - /* copy the error bits to standard positions */
> - if (WL1273_RDS_UNCORRECTABLE_ERROR & status) {
> - rds.block |= V4L2_RDS_BLOCK_ERROR;
> - rds.block &= ~V4L2_RDS_BLOCK_CORRECTED;
> - } else if (WL1273_RDS_CORRECTABLE_ERROR & status) {
> - rds.block &= ~V4L2_RDS_BLOCK_ERROR;
> - rds.block |= V4L2_RDS_BLOCK_CORRECTED;
> - }
> -
> - /* copy RDS block to internal buffer */
> - memcpy(&radio->buffer[radio->wr_index], &rds, RDS_BLOCK_SIZE);
> - radio->wr_index += 3;
> -
> - /* wrap write pointer */
> - if (radio->wr_index >= radio->buf_size)
> - radio->wr_index = 0;
> -
> - /* check for overflow & start over */
> - if (radio->wr_index == radio->rd_index) {
> - dev_dbg(radio->dev, "RDS OVERFLOW");
> -
> - radio->rd_index = 0;
> - radio->wr_index = 0;
> - break;
> - }
> - } while (WL1273_FIFO_HAS_DATA(status));
> -
> - /* wake up read queue */
> - if (radio->wr_index != radio->rd_index)
> - wake_up_interruptible(&radio->read_queue);
> -
> - return 0;
> -}
> -
> -static irqreturn_t wl1273_fm_irq_thread_handler(int irq, void *dev_id)
> -{
> - struct wl1273_device *radio = dev_id;
> - struct wl1273_core *core = radio->core;
> - u16 flags;
> - int r;
> -
> - r = core->read(core, WL1273_FLAG_GET, &flags);
> - if (r)
> - goto out;
> -
> - if (flags & WL1273_BL_EVENT) {
> - radio->irq_received = flags;
> - dev_dbg(radio->dev, "IRQ: BL\n");
> - }
> -
> - if (flags & WL1273_RDS_EVENT) {
> - msleep(200);
> -
> - wl1273_fm_rds(radio);
> - }
> -
> - if (flags & WL1273_BBLK_EVENT)
> - dev_dbg(radio->dev, "IRQ: BBLK\n");
> -
> - if (flags & WL1273_LSYNC_EVENT)
> - dev_dbg(radio->dev, "IRQ: LSYNC\n");
> -
> - if (flags & WL1273_LEV_EVENT) {
> - u16 level;
> -
> - r = core->read(core, WL1273_RSSI_LVL_GET, &level);
> - if (r)
> - goto out;
> -
> - if (level > 14)
> - dev_dbg(radio->dev, "IRQ: LEV: 0x%x04\n", level);
> - }
> -
> - if (flags & WL1273_IFFR_EVENT)
> - dev_dbg(radio->dev, "IRQ: IFFR\n");
> -
> - if (flags & WL1273_PI_EVENT)
> - dev_dbg(radio->dev, "IRQ: PI\n");
> -
> - if (flags & WL1273_PD_EVENT)
> - dev_dbg(radio->dev, "IRQ: PD\n");
> -
> - if (flags & WL1273_STIC_EVENT)
> - dev_dbg(radio->dev, "IRQ: STIC\n");
> -
> - if (flags & WL1273_MAL_EVENT)
> - dev_dbg(radio->dev, "IRQ: MAL\n");
> -
> - if (flags & WL1273_POW_ENB_EVENT) {
> - complete(&radio->busy);
> - dev_dbg(radio->dev, "NOT BUSY\n");
> - dev_dbg(radio->dev, "IRQ: POW_ENB\n");
> - }
> -
> - if (flags & WL1273_SCAN_OVER_EVENT)
> - dev_dbg(radio->dev, "IRQ: SCAN_OVER\n");
> -
> - if (flags & WL1273_ERROR_EVENT)
> - dev_dbg(radio->dev, "IRQ: ERROR\n");
> -
> - if (flags & WL1273_FR_EVENT) {
> - u16 freq;
> -
> - dev_dbg(radio->dev, "IRQ: FR:\n");
> -
> - if (core->mode == WL1273_MODE_RX) {
> - r = core->write(core, WL1273_TUNER_MODE_SET,
> - TUNER_MODE_STOP_SEARCH);
> - if (r) {
> - dev_err(radio->dev,
> - "%s: TUNER_MODE_SET fails: %d\n",
> - __func__, r);
> - goto out;
> - }
> -
> - r = core->read(core, WL1273_FREQ_SET, &freq);
> - if (r)
> - goto out;
> -
> - if (radio->band == WL1273_BAND_JAPAN)
> - radio->rx_frequency = WL1273_BAND_JAPAN_LOW +
> - freq * 50;
> - else
> - radio->rx_frequency = WL1273_BAND_OTHER_LOW +
> - freq * 50;
> - /*
> - * The driver works better with this msleep,
> - * the documentation doesn't mention it.
> - */
> - usleep_range(10000, 15000);
> -
> - dev_dbg(radio->dev, "%dkHz\n", radio->rx_frequency);
> -
> - } else {
> - r = core->read(core, WL1273_CHANL_SET, &freq);
> - if (r)
> - goto out;
> -
> - dev_dbg(radio->dev, "%dkHz\n", freq);
> - }
> - dev_dbg(radio->dev, "%s: NOT BUSY\n", __func__);
> - }
> -
> -out:
> - core->write(core, WL1273_INT_MASK_SET, radio->irq_flags);
> - complete(&radio->busy);
> -
> - return IRQ_HANDLED;
> -}
> -
> -static int wl1273_fm_set_tx_freq(struct wl1273_device *radio, unsigned int freq)
> -{
> - struct wl1273_core *core = radio->core;
> - int r = 0;
> - unsigned long t;
> -
> - if (freq < WL1273_BAND_TX_LOW) {
> - dev_err(radio->dev,
> - "Frequency out of range: %d < %d\n", freq,
> - WL1273_BAND_TX_LOW);
> - return -ERANGE;
> - }
> -
> - if (freq > WL1273_BAND_TX_HIGH) {
> - dev_err(radio->dev,
> - "Frequency out of range: %d > %d\n", freq,
> - WL1273_BAND_TX_HIGH);
> - return -ERANGE;
> - }
> -
> - /*
> - * The driver works better with this sleep,
> - * the documentation doesn't mention it.
> - */
> - usleep_range(5000, 10000);
> -
> - dev_dbg(radio->dev, "%s: freq: %d kHz\n", __func__, freq);
> -
> - /* Set the current tx channel */
> - r = core->write(core, WL1273_CHANL_SET, freq / 10);
> - if (r)
> - return r;
> -
> - reinit_completion(&radio->busy);
> -
> - /* wait for the FR IRQ */
> - t = wait_for_completion_timeout(&radio->busy, msecs_to_jiffies(2000));
> - if (!t)
> - return -ETIMEDOUT;
> -
> - dev_dbg(radio->dev, "WL1273_CHANL_SET: %lu\n", t);
> -
> - /* Enable the output power */
> - r = core->write(core, WL1273_POWER_ENB_SET, 1);
> - if (r)
> - return r;
> -
> - reinit_completion(&radio->busy);
> -
> - /* wait for the POWER_ENB IRQ */
> - t = wait_for_completion_timeout(&radio->busy, msecs_to_jiffies(1000));
> - if (!t)
> - return -ETIMEDOUT;
> -
> - radio->tx_frequency = freq;
> - dev_dbg(radio->dev, "WL1273_POWER_ENB_SET: %lu\n", t);
> -
> - return 0;
> -}
> -
> -static int wl1273_fm_set_rx_freq(struct wl1273_device *radio, unsigned int freq)
> -{
> - struct wl1273_core *core = radio->core;
> - int r, f;
> - unsigned long t;
> -
> - if (freq < radio->rangelow) {
> - dev_err(radio->dev,
> - "Frequency out of range: %d < %d\n", freq,
> - radio->rangelow);
> - r = -ERANGE;
> - goto err;
> - }
> -
> - if (freq > radio->rangehigh) {
> - dev_err(radio->dev,
> - "Frequency out of range: %d > %d\n", freq,
> - radio->rangehigh);
> - r = -ERANGE;
> - goto err;
> - }
> -
> - dev_dbg(radio->dev, "%s: %dkHz\n", __func__, freq);
> -
> - core->write(core, WL1273_INT_MASK_SET, radio->irq_flags);
> -
> - if (radio->band == WL1273_BAND_JAPAN)
> - f = (freq - WL1273_BAND_JAPAN_LOW) / 50;
> - else
> - f = (freq - WL1273_BAND_OTHER_LOW) / 50;
> -
> - r = core->write(core, WL1273_FREQ_SET, f);
> - if (r) {
> - dev_err(radio->dev, "FREQ_SET fails\n");
> - goto err;
> - }
> -
> - r = core->write(core, WL1273_TUNER_MODE_SET, TUNER_MODE_PRESET);
> - if (r) {
> - dev_err(radio->dev, "TUNER_MODE_SET fails\n");
> - goto err;
> - }
> -
> - reinit_completion(&radio->busy);
> -
> - t = wait_for_completion_timeout(&radio->busy, msecs_to_jiffies(2000));
> - if (!t) {
> - dev_err(radio->dev, "%s: TIMEOUT\n", __func__);
> - return -ETIMEDOUT;
> - }
> -
> - radio->rd_index = 0;
> - radio->wr_index = 0;
> - radio->rx_frequency = freq;
> - return 0;
> -err:
> - return r;
> -}
> -
> -static int wl1273_fm_get_freq(struct wl1273_device *radio)
> -{
> - struct wl1273_core *core = radio->core;
> - unsigned int freq;
> - u16 f;
> - int r;
> -
> - if (core->mode == WL1273_MODE_RX) {
> - r = core->read(core, WL1273_FREQ_SET, &f);
> - if (r)
> - return r;
> -
> - dev_dbg(radio->dev, "Freq get: 0x%04x\n", f);
> - if (radio->band == WL1273_BAND_JAPAN)
> - freq = WL1273_BAND_JAPAN_LOW + 50 * f;
> - else
> - freq = WL1273_BAND_OTHER_LOW + 50 * f;
> - } else {
> - r = core->read(core, WL1273_CHANL_SET, &f);
> - if (r)
> - return r;
> -
> - freq = f * 10;
> - }
> -
> - return freq;
> -}
> -
> -/**
> - * wl1273_fm_upload_firmware_patch() - Upload the firmware.
> - * @radio: A pointer to the device struct.
> - *
> - * The firmware file consists of arrays of bytes where the first byte
> - * gives the array length. The first byte in the file gives the
> - * number of these arrays.
> - */
> -static int wl1273_fm_upload_firmware_patch(struct wl1273_device *radio)
> -{
> - struct wl1273_core *core = radio->core;
> - unsigned int packet_num;
> - const struct firmware *fw_p;
> - const char *fw_name = "radio-wl1273-fw.bin";
> - struct device *dev = radio->dev;
> - __u8 *ptr;
> - int r;
> -
> - dev_dbg(dev, "%s:\n", __func__);
> -
> - /*
> - * Uploading the firmware patch is not always necessary,
> - * so we only print an info message.
> - */
> - if (request_firmware(&fw_p, fw_name, dev)) {
> - dev_info(dev, "%s - %s not found\n", __func__, fw_name);
> -
> - return 0;
> - }
> -
> - ptr = (__u8 *) fw_p->data;
> - packet_num = ptr[0];
> - dev_dbg(dev, "%s: packets: %d\n", __func__, packet_num);
> -
> - r = wl1273_fm_write_fw(core, ptr + 1, packet_num);
> - if (r) {
> - dev_err(dev, "FW upload error: %d\n", r);
> - goto out;
> - }
> -
> - /* ignore possible error here */
> - core->write(core, WL1273_RESET, 0);
> -
> - dev_dbg(dev, "%s - download OK, r: %d\n", __func__, r);
> -out:
> - release_firmware(fw_p);
> - return r;
> -}
> -
> -static int wl1273_fm_stop(struct wl1273_device *radio)
> -{
> - struct wl1273_core *core = radio->core;
> -
> - if (core->mode == WL1273_MODE_RX) {
> - int r = core->write(core, WL1273_POWER_SET,
> - WL1273_POWER_SET_OFF);
> - if (r)
> - dev_err(radio->dev, "%s: POWER_SET fails: %d\n",
> - __func__, r);
> - } else if (core->mode == WL1273_MODE_TX) {
> - int r = core->write(core, WL1273_PUPD_SET,
> - WL1273_PUPD_SET_OFF);
> - if (r)
> - dev_err(radio->dev,
> - "%s: PUPD_SET fails: %d\n", __func__, r);
> - }
> -
> - if (core->pdata->disable) {
> - core->pdata->disable();
> - dev_dbg(radio->dev, "Back to reset\n");
> - }
> -
> - return 0;
> -}
> -
> -static int wl1273_fm_start(struct wl1273_device *radio, int new_mode)
> -{
> - struct wl1273_core *core = radio->core;
> - struct wl1273_fm_platform_data *pdata = core->pdata;
> - struct device *dev = radio->dev;
> - int r = -EINVAL;
> -
> - if (pdata->enable && core->mode == WL1273_MODE_OFF) {
> - dev_dbg(radio->dev, "Out of reset\n");
> -
> - pdata->enable();
> - msleep(250);
> - }
> -
> - if (new_mode == WL1273_MODE_RX) {
> - u16 val = WL1273_POWER_SET_FM;
> -
> - if (radio->rds_on)
> - val |= WL1273_POWER_SET_RDS;
> -
> - /* If this fails try again */
> - r = core->write(core, WL1273_POWER_SET, val);
> - if (r) {
> - msleep(100);
> -
> - r = core->write(core, WL1273_POWER_SET, val);
> - if (r) {
> - dev_err(dev, "%s: POWER_SET fails\n", __func__);
> - goto fail;
> - }
> - }
> -
> - /* rds buffer configuration */
> - radio->wr_index = 0;
> - radio->rd_index = 0;
> -
> - } else if (new_mode == WL1273_MODE_TX) {
> - /* If this fails try again once */
> - r = core->write(core, WL1273_PUPD_SET, WL1273_PUPD_SET_ON);
> - if (r) {
> - msleep(100);
> - r = core->write(core, WL1273_PUPD_SET,
> - WL1273_PUPD_SET_ON);
> - if (r) {
> - dev_err(dev, "%s: PUPD_SET fails\n", __func__);
> - goto fail;
> - }
> - }
> -
> - if (radio->rds_on) {
> - r = core->write(core, WL1273_RDS_DATA_ENB, 1);
> - if (r) {
> - dev_err(dev, "%s: RDS_DATA_ENB ON fails\n",
> - __func__);
> - goto fail;
> - }
> - } else {
> - r = core->write(core, WL1273_RDS_DATA_ENB, 0);
> - if (r) {
> - dev_err(dev, "%s: RDS_DATA_ENB OFF fails\n",
> - __func__);
> - goto fail;
> - }
> - }
> - } else {
> - dev_warn(dev, "%s: Illegal mode.\n", __func__);
> - }
> -
> - if (core->mode == WL1273_MODE_OFF) {
> - r = wl1273_fm_upload_firmware_patch(radio);
> - if (r)
> - dev_warn(dev, "Firmware upload failed.\n");
> -
> - /*
> - * Sometimes the chip is in a wrong power state at this point.
> - * So we set the power once again.
> - */
> - if (new_mode == WL1273_MODE_RX) {
> - u16 val = WL1273_POWER_SET_FM;
> -
> - if (radio->rds_on)
> - val |= WL1273_POWER_SET_RDS;
> -
> - r = core->write(core, WL1273_POWER_SET, val);
> - if (r) {
> - dev_err(dev, "%s: POWER_SET fails\n", __func__);
> - goto fail;
> - }
> - } else if (new_mode == WL1273_MODE_TX) {
> - r = core->write(core, WL1273_PUPD_SET,
> - WL1273_PUPD_SET_ON);
> - if (r) {
> - dev_err(dev, "%s: PUPD_SET fails\n", __func__);
> - goto fail;
> - }
> - }
> - }
> -
> - return 0;
> -fail:
> - if (pdata->disable)
> - pdata->disable();
> -
> - dev_dbg(dev, "%s: return: %d\n", __func__, r);
> - return r;
> -}
> -
> -static int wl1273_fm_suspend(struct wl1273_device *radio)
> -{
> - struct wl1273_core *core = radio->core;
> - int r;
> -
> - /* Cannot go from OFF to SUSPENDED */
> - if (core->mode == WL1273_MODE_RX)
> - r = core->write(core, WL1273_POWER_SET,
> - WL1273_POWER_SET_RETENTION);
> - else if (core->mode == WL1273_MODE_TX)
> - r = core->write(core, WL1273_PUPD_SET,
> - WL1273_PUPD_SET_RETENTION);
> - else
> - r = -EINVAL;
> -
> - if (r) {
> - dev_err(radio->dev, "%s: POWER_SET fails: %d\n", __func__, r);
> - goto out;
> - }
> -
> -out:
> - return r;
> -}
> -
> -static int wl1273_fm_set_mode(struct wl1273_device *radio, int mode)
> -{
> - struct wl1273_core *core = radio->core;
> - struct device *dev = radio->dev;
> - int old_mode;
> - int r;
> -
> - dev_dbg(dev, "%s\n", __func__);
> - dev_dbg(dev, "Forbidden modes: 0x%02x\n", radio->forbidden);
> -
> - old_mode = core->mode;
> - if (mode & radio->forbidden) {
> - r = -EPERM;
> - goto out;
> - }
> -
> - switch (mode) {
> - case WL1273_MODE_RX:
> - case WL1273_MODE_TX:
> - r = wl1273_fm_start(radio, mode);
> - if (r) {
> - dev_err(dev, "%s: Cannot start.\n", __func__);
> - wl1273_fm_stop(radio);
> - goto out;
> - }
> -
> - core->mode = mode;
> - r = core->write(core, WL1273_INT_MASK_SET, radio->irq_flags);
> - if (r) {
> - dev_err(dev, "INT_MASK_SET fails.\n");
> - goto out;
> - }
> -
> - /* remember previous settings */
> - if (mode == WL1273_MODE_RX) {
> - r = wl1273_fm_set_rx_freq(radio, radio->rx_frequency);
> - if (r) {
> - dev_err(dev, "set freq fails: %d.\n", r);
> - goto out;
> - }
> -
> - r = core->set_volume(core, core->volume);
> - if (r) {
> - dev_err(dev, "set volume fails: %d.\n", r);
> - goto out;
> - }
> -
> - dev_dbg(dev, "%s: Set vol: %d.\n", __func__,
> - core->volume);
> - } else {
> - r = wl1273_fm_set_tx_freq(radio, radio->tx_frequency);
> - if (r) {
> - dev_err(dev, "set freq fails: %d.\n", r);
> - goto out;
> - }
> - }
> -
> - dev_dbg(radio->dev, "%s: Set audio mode.\n", __func__);
> -
> - r = core->set_audio(core, core->audio_mode);
> - if (r)
> - dev_err(dev, "Cannot set audio mode.\n");
> - break;
> -
> - case WL1273_MODE_OFF:
> - r = wl1273_fm_stop(radio);
> - if (r)
> - dev_err(dev, "%s: Off fails: %d\n", __func__, r);
> - else
> - core->mode = WL1273_MODE_OFF;
> -
> - break;
> -
> - case WL1273_MODE_SUSPENDED:
> - r = wl1273_fm_suspend(radio);
> - if (r)
> - dev_err(dev, "%s: Suspend fails: %d\n", __func__, r);
> - else
> - core->mode = WL1273_MODE_SUSPENDED;
> -
> - break;
> -
> - default:
> - dev_err(dev, "%s: Unknown mode: %d\n", __func__, mode);
> - r = -EINVAL;
> - break;
> - }
> -out:
> - if (r)
> - core->mode = old_mode;
> -
> - return r;
> -}
> -
> -static int wl1273_fm_set_seek(struct wl1273_device *radio,
> - unsigned int wrap_around,
> - unsigned int seek_upward,
> - int level)
> -{
> - struct wl1273_core *core = radio->core;
> - int r = 0;
> - unsigned int dir = (seek_upward == 0) ? 0 : 1;
> - unsigned int f;
> -
> - f = radio->rx_frequency;
> - dev_dbg(radio->dev, "rx_frequency: %d\n", f);
> -
> - if (dir && f + radio->spacing <= radio->rangehigh)
> - r = wl1273_fm_set_rx_freq(radio, f + radio->spacing);
> - else if (dir && wrap_around)
> - r = wl1273_fm_set_rx_freq(radio, radio->rangelow);
> - else if (f - radio->spacing >= radio->rangelow)
> - r = wl1273_fm_set_rx_freq(radio, f - radio->spacing);
> - else if (wrap_around)
> - r = wl1273_fm_set_rx_freq(radio, radio->rangehigh);
> -
> - if (r)
> - goto out;
> -
> - if (level < SCHAR_MIN || level > SCHAR_MAX)
> - return -EINVAL;
> -
> - reinit_completion(&radio->busy);
> - dev_dbg(radio->dev, "%s: BUSY\n", __func__);
> -
> - r = core->write(core, WL1273_INT_MASK_SET, radio->irq_flags);
> - if (r)
> - goto out;
> -
> - dev_dbg(radio->dev, "%s\n", __func__);
> -
> - r = core->write(core, WL1273_SEARCH_LVL_SET, level);
> - if (r)
> - goto out;
> -
> - r = core->write(core, WL1273_SEARCH_DIR_SET, dir);
> - if (r)
> - goto out;
> -
> - r = core->write(core, WL1273_TUNER_MODE_SET, TUNER_MODE_AUTO_SEEK);
> - if (r)
> - goto out;
> -
> - /* wait for the FR IRQ */
> - wait_for_completion_timeout(&radio->busy, msecs_to_jiffies(1000));
> - if (!(radio->irq_received & WL1273_BL_EVENT)) {
> - r = -ETIMEDOUT;
> - goto out;
> - }
> -
> - radio->irq_received &= ~WL1273_BL_EVENT;
> -
> - if (!wrap_around)
> - goto out;
> -
> - /* Wrap around */
> - dev_dbg(radio->dev, "Wrap around in HW seek.\n");
> -
> - if (seek_upward)
> - f = radio->rangelow;
> - else
> - f = radio->rangehigh;
> -
> - r = wl1273_fm_set_rx_freq(radio, f);
> - if (r)
> - goto out;
> -
> - reinit_completion(&radio->busy);
> - dev_dbg(radio->dev, "%s: BUSY\n", __func__);
> -
> - r = core->write(core, WL1273_TUNER_MODE_SET, TUNER_MODE_AUTO_SEEK);
> - if (r)
> - goto out;
> -
> - /* wait for the FR IRQ */
> - if (!wait_for_completion_timeout(&radio->busy, msecs_to_jiffies(1000)))
> - r = -ETIMEDOUT;
> -out:
> - dev_dbg(radio->dev, "%s: Err: %d\n", __func__, r);
> - return r;
> -}
> -
> -/**
> - * wl1273_fm_get_tx_ctune() - Get the TX tuning capacitor value.
> - * @radio: A pointer to the device struct.
> - */
> -static unsigned int wl1273_fm_get_tx_ctune(struct wl1273_device *radio)
> -{
> - struct wl1273_core *core = radio->core;
> - struct device *dev = radio->dev;
> - u16 val;
> - int r;
> -
> - if (core->mode == WL1273_MODE_OFF ||
> - core->mode == WL1273_MODE_SUSPENDED)
> - return -EPERM;
> -
> - r = core->read(core, WL1273_READ_FMANT_TUNE_VALUE, &val);
> - if (r) {
> - dev_err(dev, "%s: read error: %d\n", __func__, r);
> - goto out;
> - }
> -
> -out:
> - return val;
> -}
> -
> -/**
> - * wl1273_fm_set_preemphasis() - Set the TX pre-emphasis value.
> - * @radio: A pointer to the device struct.
> - * @preemphasis: The new pre-amphasis value.
> - *
> - * Possible pre-emphasis values are: V4L2_PREEMPHASIS_DISABLED,
> - * V4L2_PREEMPHASIS_50_uS and V4L2_PREEMPHASIS_75_uS.
> - */
> -static int wl1273_fm_set_preemphasis(struct wl1273_device *radio,
> - unsigned int preemphasis)
> -{
> - struct wl1273_core *core = radio->core;
> - int r;
> - u16 em;
> -
> - if (core->mode == WL1273_MODE_OFF ||
> - core->mode == WL1273_MODE_SUSPENDED)
> - return -EPERM;
> -
> - mutex_lock(&core->lock);
> -
> - switch (preemphasis) {
> - case V4L2_PREEMPHASIS_DISABLED:
> - em = 1;
> - break;
> - case V4L2_PREEMPHASIS_50_uS:
> - em = 0;
> - break;
> - case V4L2_PREEMPHASIS_75_uS:
> - em = 2;
> - break;
> - default:
> - r = -EINVAL;
> - goto out;
> - }
> -
> - r = core->write(core, WL1273_PREMPH_SET, em);
> - if (r)
> - goto out;
> -
> - radio->preemphasis = preemphasis;
> -
> -out:
> - mutex_unlock(&core->lock);
> - return r;
> -}
> -
> -static int wl1273_fm_rds_on(struct wl1273_device *radio)
> -{
> - struct wl1273_core *core = radio->core;
> - int r;
> -
> - dev_dbg(radio->dev, "%s\n", __func__);
> - if (radio->rds_on)
> - return 0;
> -
> - r = core->write(core, WL1273_POWER_SET,
> - WL1273_POWER_SET_FM | WL1273_POWER_SET_RDS);
> - if (r)
> - goto out;
> -
> - r = wl1273_fm_set_rx_freq(radio, radio->rx_frequency);
> - if (r)
> - dev_err(radio->dev, "set freq fails: %d.\n", r);
> -out:
> - return r;
> -}
> -
> -static int wl1273_fm_rds_off(struct wl1273_device *radio)
> -{
> - struct wl1273_core *core = radio->core;
> - int r;
> -
> - if (!radio->rds_on)
> - return 0;
> -
> - radio->irq_flags &= ~WL1273_RDS_EVENT;
> -
> - r = core->write(core, WL1273_INT_MASK_SET, radio->irq_flags);
> - if (r)
> - goto out;
> -
> - /* Service pending read */
> - wake_up_interruptible(&radio->read_queue);
> -
> - dev_dbg(radio->dev, "%s\n", __func__);
> -
> - r = core->write(core, WL1273_POWER_SET, WL1273_POWER_SET_FM);
> - if (r)
> - goto out;
> -
> - r = wl1273_fm_set_rx_freq(radio, radio->rx_frequency);
> - if (r)
> - dev_err(radio->dev, "set freq fails: %d.\n", r);
> -out:
> - dev_dbg(radio->dev, "%s: exiting...\n", __func__);
> -
> - return r;
> -}
> -
> -static int wl1273_fm_set_rds(struct wl1273_device *radio, unsigned int new_mode)
> -{
> - int r = 0;
> - struct wl1273_core *core = radio->core;
> -
> - if (core->mode == WL1273_MODE_OFF ||
> - core->mode == WL1273_MODE_SUSPENDED)
> - return -EPERM;
> -
> - if (new_mode == WL1273_RDS_RESET) {
> - r = core->write(core, WL1273_RDS_CNTRL_SET, 1);
> - return r;
> - }
> -
> - if (core->mode == WL1273_MODE_TX && new_mode == WL1273_RDS_OFF) {
> - r = core->write(core, WL1273_RDS_DATA_ENB, 0);
> - } else if (core->mode == WL1273_MODE_TX && new_mode == WL1273_RDS_ON) {
> - r = core->write(core, WL1273_RDS_DATA_ENB, 1);
> - } else if (core->mode == WL1273_MODE_RX && new_mode == WL1273_RDS_OFF) {
> - r = wl1273_fm_rds_off(radio);
> - } else if (core->mode == WL1273_MODE_RX && new_mode == WL1273_RDS_ON) {
> - r = wl1273_fm_rds_on(radio);
> - } else {
> - dev_err(radio->dev, "%s: Unknown mode: %d\n",
> - __func__, new_mode);
> - r = -EINVAL;
> - }
> -
> - if (!r)
> - radio->rds_on = new_mode == WL1273_RDS_ON;
> -
> - return r;
> -}
> -
> -static ssize_t wl1273_fm_fops_write(struct file *file, const char __user *buf,
> - size_t count, loff_t *ppos)
> -{
> - struct wl1273_device *radio = video_get_drvdata(video_devdata(file));
> - struct wl1273_core *core = radio->core;
> - u16 val;
> - int r;
> -
> - dev_dbg(radio->dev, "%s\n", __func__);
> -
> - if (core->mode != WL1273_MODE_TX)
> - return count;
> -
> - if (radio->rds_users == 0) {
> - dev_warn(radio->dev, "%s: RDS not on.\n", __func__);
> - return 0;
> - }
> -
> - if (mutex_lock_interruptible(&core->lock))
> - return -EINTR;
> - /*
> - * Multiple processes can open the device, but only
> - * one gets to write to it.
> - */
> - if (radio->owner && radio->owner != file) {
> - r = -EBUSY;
> - goto out;
> - }
> - radio->owner = file;
> -
> - /* Manual Mode */
> - if (count > 255)
> - val = 255;
> - else
> - val = count;
> -
> - core->write(core, WL1273_RDS_CONFIG_DATA_SET, val);
> -
> - if (copy_from_user(radio->write_buf + 1, buf, val)) {
> - r = -EFAULT;
> - goto out;
> - }
> -
> - dev_dbg(radio->dev, "Count: %d\n", val);
> - dev_dbg(radio->dev, "From user: \"%s\"\n", radio->write_buf);
> -
> - radio->write_buf[0] = WL1273_RDS_DATA_SET;
> - core->write_data(core, radio->write_buf, val + 1);
> -
> - r = val;
> -out:
> - mutex_unlock(&core->lock);
> -
> - return r;
> -}
> -
> -static __poll_t wl1273_fm_fops_poll(struct file *file,
> - struct poll_table_struct *pts)
> -{
> - struct wl1273_device *radio = video_get_drvdata(video_devdata(file));
> - struct wl1273_core *core = radio->core;
> -
> - if (radio->owner && radio->owner != file)
> - return EPOLLERR;
> -
> - radio->owner = file;
> -
> - if (core->mode == WL1273_MODE_RX) {
> - poll_wait(file, &radio->read_queue, pts);
> -
> - if (radio->rd_index != radio->wr_index)
> - return EPOLLIN | EPOLLRDNORM;
> -
> - } else if (core->mode == WL1273_MODE_TX) {
> - return EPOLLOUT | EPOLLWRNORM;
> - }
> -
> - return 0;
> -}
> -
> -static int wl1273_fm_fops_open(struct file *file)
> -{
> - struct wl1273_device *radio = video_get_drvdata(video_devdata(file));
> - struct wl1273_core *core = radio->core;
> - int r = 0;
> -
> - dev_dbg(radio->dev, "%s\n", __func__);
> -
> - if (core->mode == WL1273_MODE_RX && radio->rds_on &&
> - !radio->rds_users) {
> - dev_dbg(radio->dev, "%s: Mode: %d\n", __func__, core->mode);
> -
> - if (mutex_lock_interruptible(&core->lock))
> - return -EINTR;
> -
> - radio->irq_flags |= WL1273_RDS_EVENT;
> -
> - r = core->write(core, WL1273_INT_MASK_SET,
> - radio->irq_flags);
> - if (r) {
> - mutex_unlock(&core->lock);
> - goto out;
> - }
> -
> - radio->rds_users++;
> -
> - mutex_unlock(&core->lock);
> - }
> -out:
> - return r;
> -}
> -
> -static int wl1273_fm_fops_release(struct file *file)
> -{
> - struct wl1273_device *radio = video_get_drvdata(video_devdata(file));
> - struct wl1273_core *core = radio->core;
> - int r = 0;
> -
> - dev_dbg(radio->dev, "%s\n", __func__);
> -
> - if (radio->rds_users > 0) {
> - radio->rds_users--;
> - if (radio->rds_users == 0) {
> - mutex_lock(&core->lock);
> -
> - radio->irq_flags &= ~WL1273_RDS_EVENT;
> -
> - if (core->mode == WL1273_MODE_RX) {
> - r = core->write(core,
> - WL1273_INT_MASK_SET,
> - radio->irq_flags);
> - if (r) {
> - mutex_unlock(&core->lock);
> - goto out;
> - }
> - }
> - mutex_unlock(&core->lock);
> - }
> - }
> -
> - if (file == radio->owner)
> - radio->owner = NULL;
> -out:
> - return r;
> -}
> -
> -static ssize_t wl1273_fm_fops_read(struct file *file, char __user *buf,
> - size_t count, loff_t *ppos)
> -{
> - int r = 0;
> - struct wl1273_device *radio = video_get_drvdata(video_devdata(file));
> - struct wl1273_core *core = radio->core;
> - unsigned int block_count = 0;
> - u16 val;
> -
> - dev_dbg(radio->dev, "%s\n", __func__);
> -
> - if (core->mode != WL1273_MODE_RX)
> - return 0;
> -
> - if (radio->rds_users == 0) {
> - dev_warn(radio->dev, "%s: RDS not on.\n", __func__);
> - return 0;
> - }
> -
> - if (mutex_lock_interruptible(&core->lock))
> - return -EINTR;
> -
> - /*
> - * Multiple processes can open the device, but only
> - * one at a time gets read access.
> - */
> - if (radio->owner && radio->owner != file) {
> - r = -EBUSY;
> - goto out;
> - }
> - radio->owner = file;
> -
> - r = core->read(core, WL1273_RDS_SYNC_GET, &val);
> - if (r) {
> - dev_err(radio->dev, "%s: Get RDS_SYNC fails.\n", __func__);
> - goto out;
> - } else if (val == 0) {
> - dev_info(radio->dev, "RDS_SYNC: Not synchronized\n");
> - r = -ENODATA;
> - goto out;
> - }
> -
> - /* block if no new data available */
> - while (radio->wr_index == radio->rd_index) {
> - if (file->f_flags & O_NONBLOCK) {
> - r = -EWOULDBLOCK;
> - goto out;
> - }
> -
> - dev_dbg(radio->dev, "%s: Wait for RDS data.\n", __func__);
> - if (wait_event_interruptible(radio->read_queue,
> - radio->wr_index !=
> - radio->rd_index) < 0) {
> - r = -EINTR;
> - goto out;
> - }
> - }
> -
> - /* calculate block count from byte count */
> - count /= RDS_BLOCK_SIZE;
> -
> - /* copy RDS blocks from the internal buffer and to user buffer */
> - while (block_count < count) {
> - if (radio->rd_index == radio->wr_index)
> - break;
> -
> - /* always transfer complete RDS blocks */
> - if (copy_to_user(buf, &radio->buffer[radio->rd_index],
> - RDS_BLOCK_SIZE))
> - break;
> -
> - /* increment and wrap the read pointer */
> - radio->rd_index += RDS_BLOCK_SIZE;
> - if (radio->rd_index >= radio->buf_size)
> - radio->rd_index = 0;
> -
> - /* increment counters */
> - block_count++;
> - buf += RDS_BLOCK_SIZE;
> - r += RDS_BLOCK_SIZE;
> - }
> -
> -out:
> - dev_dbg(radio->dev, "%s: exit\n", __func__);
> - mutex_unlock(&core->lock);
> -
> - return r;
> -}
> -
> -static const struct v4l2_file_operations wl1273_fops = {
> - .owner = THIS_MODULE,
> - .read = wl1273_fm_fops_read,
> - .write = wl1273_fm_fops_write,
> - .poll = wl1273_fm_fops_poll,
> - .unlocked_ioctl = video_ioctl2,
> - .open = wl1273_fm_fops_open,
> - .release = wl1273_fm_fops_release,
> -};
> -
> -static int wl1273_fm_vidioc_querycap(struct file *file, void *priv,
> - struct v4l2_capability *capability)
> -{
> - struct wl1273_device *radio = video_get_drvdata(video_devdata(file));
> -
> - dev_dbg(radio->dev, "%s\n", __func__);
> -
> - strscpy(capability->driver, WL1273_FM_DRIVER_NAME,
> - sizeof(capability->driver));
> - strscpy(capability->card, "TI Wl1273 FM Radio",
> - sizeof(capability->card));
> - strscpy(capability->bus_info, radio->bus_type,
> - sizeof(capability->bus_info));
> - return 0;
> -}
> -
> -static int wl1273_fm_vidioc_g_input(struct file *file, void *priv,
> - unsigned int *i)
> -{
> - struct wl1273_device *radio = video_get_drvdata(video_devdata(file));
> -
> - dev_dbg(radio->dev, "%s\n", __func__);
> -
> - *i = 0;
> -
> - return 0;
> -}
> -
> -static int wl1273_fm_vidioc_s_input(struct file *file, void *priv,
> - unsigned int i)
> -{
> - struct wl1273_device *radio = video_get_drvdata(video_devdata(file));
> -
> - dev_dbg(radio->dev, "%s\n", __func__);
> -
> - if (i != 0)
> - return -EINVAL;
> -
> - return 0;
> -}
> -
> -/**
> - * wl1273_fm_set_tx_power() - Set the transmission power value.
> - * @radio: A pointer to the device struct.
> - * @power: The new power value.
> - */
> -static int wl1273_fm_set_tx_power(struct wl1273_device *radio, u16 power)
> -{
> - struct wl1273_core *core = radio->core;
> - int r;
> -
> - if (core->mode == WL1273_MODE_OFF ||
> - core->mode == WL1273_MODE_SUSPENDED)
> - return -EPERM;
> -
> - mutex_lock(&core->lock);
> -
> - /* Convert the dBuV value to chip presentation */
> - r = core->write(core, WL1273_POWER_LEV_SET, 122 - power);
> - if (r)
> - goto out;
> -
> - radio->tx_power = power;
> -
> -out:
> - mutex_unlock(&core->lock);
> - return r;
> -}
> -
> -#define WL1273_SPACING_50kHz 1
> -#define WL1273_SPACING_100kHz 2
> -#define WL1273_SPACING_200kHz 4
> -
> -static int wl1273_fm_tx_set_spacing(struct wl1273_device *radio,
> - unsigned int spacing)
> -{
> - struct wl1273_core *core = radio->core;
> - int r;
> -
> - if (spacing == 0) {
> - r = core->write(core, WL1273_SCAN_SPACING_SET,
> - WL1273_SPACING_100kHz);
> - radio->spacing = 100;
> - } else if (spacing - 50000 < 25000) {
> - r = core->write(core, WL1273_SCAN_SPACING_SET,
> - WL1273_SPACING_50kHz);
> - radio->spacing = 50;
> - } else if (spacing - 100000 < 50000) {
> - r = core->write(core, WL1273_SCAN_SPACING_SET,
> - WL1273_SPACING_100kHz);
> - radio->spacing = 100;
> - } else {
> - r = core->write(core, WL1273_SCAN_SPACING_SET,
> - WL1273_SPACING_200kHz);
> - radio->spacing = 200;
> - }
> -
> - return r;
> -}
> -
> -static int wl1273_fm_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
> -{
> - struct wl1273_device *radio = ctrl->priv;
> - struct wl1273_core *core = radio->core;
> -
> - dev_dbg(radio->dev, "%s\n", __func__);
> -
> - if (mutex_lock_interruptible(&core->lock))
> - return -EINTR;
> -
> - switch (ctrl->id) {
> - case V4L2_CID_TUNE_ANTENNA_CAPACITOR:
> - ctrl->val = wl1273_fm_get_tx_ctune(radio);
> - break;
> -
> - default:
> - dev_warn(radio->dev, "%s: Unknown IOCTL: %d\n",
> - __func__, ctrl->id);
> - break;
> - }
> -
> - mutex_unlock(&core->lock);
> -
> - return 0;
> -}
> -
> -#define WL1273_MUTE_SOFT_ENABLE (1 << 0)
> -#define WL1273_MUTE_AC (1 << 1)
> -#define WL1273_MUTE_HARD_LEFT (1 << 2)
> -#define WL1273_MUTE_HARD_RIGHT (1 << 3)
> -#define WL1273_MUTE_SOFT_FORCE (1 << 4)
> -
> -static inline struct wl1273_device *to_radio(struct v4l2_ctrl *ctrl)
> -{
> - return container_of(ctrl->handler, struct wl1273_device, ctrl_handler);
> -}
> -
> -static int wl1273_fm_s_ctrl(struct v4l2_ctrl *ctrl)
> -{
> - struct wl1273_device *radio = to_radio(ctrl);
> - struct wl1273_core *core = radio->core;
> - int r = 0;
> -
> - dev_dbg(radio->dev, "%s\n", __func__);
> -
> - switch (ctrl->id) {
> - case V4L2_CID_AUDIO_MUTE:
> - if (mutex_lock_interruptible(&core->lock))
> - return -EINTR;
> -
> - if (core->mode == WL1273_MODE_RX && ctrl->val)
> - r = core->write(core,
> - WL1273_MUTE_STATUS_SET,
> - WL1273_MUTE_HARD_LEFT |
> - WL1273_MUTE_HARD_RIGHT);
> - else if (core->mode == WL1273_MODE_RX)
> - r = core->write(core,
> - WL1273_MUTE_STATUS_SET, 0x0);
> - else if (core->mode == WL1273_MODE_TX && ctrl->val)
> - r = core->write(core, WL1273_MUTE, 1);
> - else if (core->mode == WL1273_MODE_TX)
> - r = core->write(core, WL1273_MUTE, 0);
> -
> - mutex_unlock(&core->lock);
> - break;
> -
> - case V4L2_CID_AUDIO_VOLUME:
> - if (ctrl->val == 0)
> - r = wl1273_fm_set_mode(radio, WL1273_MODE_OFF);
> - else
> - r = core->set_volume(core, core->volume);
> - break;
> -
> - case V4L2_CID_TUNE_PREEMPHASIS:
> - r = wl1273_fm_set_preemphasis(radio, ctrl->val);
> - break;
> -
> - case V4L2_CID_TUNE_POWER_LEVEL:
> - r = wl1273_fm_set_tx_power(radio, ctrl->val);
> - break;
> -
> - default:
> - dev_warn(radio->dev, "%s: Unknown IOCTL: %d\n",
> - __func__, ctrl->id);
> - break;
> - }
> -
> - dev_dbg(radio->dev, "%s\n", __func__);
> - return r;
> -}
> -
> -static int wl1273_fm_vidioc_g_audio(struct file *file, void *priv,
> - struct v4l2_audio *audio)
> -{
> - struct wl1273_device *radio = video_get_drvdata(video_devdata(file));
> -
> - dev_dbg(radio->dev, "%s\n", __func__);
> -
> - if (audio->index > 1)
> - return -EINVAL;
> -
> - strscpy(audio->name, "Radio", sizeof(audio->name));
> - audio->capability = V4L2_AUDCAP_STEREO;
> -
> - return 0;
> -}
> -
> -static int wl1273_fm_vidioc_s_audio(struct file *file, void *priv,
> - const struct v4l2_audio *audio)
> -{
> - struct wl1273_device *radio = video_get_drvdata(video_devdata(file));
> -
> - dev_dbg(radio->dev, "%s\n", __func__);
> -
> - if (audio->index != 0)
> - return -EINVAL;
> -
> - return 0;
> -}
> -
> -#define WL1273_RDS_NOT_SYNCHRONIZED 0
> -#define WL1273_RDS_SYNCHRONIZED 1
> -
> -static int wl1273_fm_vidioc_g_tuner(struct file *file, void *priv,
> - struct v4l2_tuner *tuner)
> -{
> - struct wl1273_device *radio = video_get_drvdata(video_devdata(file));
> - struct wl1273_core *core = radio->core;
> - u16 val;
> - int r;
> -
> - dev_dbg(radio->dev, "%s\n", __func__);
> -
> - if (tuner->index > 0)
> - return -EINVAL;
> -
> - strscpy(tuner->name, WL1273_FM_DRIVER_NAME, sizeof(tuner->name));
> - tuner->type = V4L2_TUNER_RADIO;
> -
> - tuner->rangelow = WL1273_FREQ(WL1273_BAND_JAPAN_LOW);
> - tuner->rangehigh = WL1273_FREQ(WL1273_BAND_OTHER_HIGH);
> -
> - tuner->capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_RDS |
> - V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_RDS_BLOCK_IO |
> - V4L2_TUNER_CAP_HWSEEK_BOUNDED | V4L2_TUNER_CAP_HWSEEK_WRAP;
> -
> - if (radio->stereo)
> - tuner->audmode = V4L2_TUNER_MODE_STEREO;
> - else
> - tuner->audmode = V4L2_TUNER_MODE_MONO;
> -
> - if (core->mode != WL1273_MODE_RX)
> - return 0;
> -
> - if (mutex_lock_interruptible(&core->lock))
> - return -EINTR;
> -
> - r = core->read(core, WL1273_STEREO_GET, &val);
> - if (r)
> - goto out;
> -
> - if (val == 1)
> - tuner->rxsubchans = V4L2_TUNER_SUB_STEREO;
> - else
> - tuner->rxsubchans = V4L2_TUNER_SUB_MONO;
> -
> - r = core->read(core, WL1273_RSSI_LVL_GET, &val);
> - if (r)
> - goto out;
> -
> - tuner->signal = (s16) val;
> - dev_dbg(radio->dev, "Signal: %d\n", tuner->signal);
> -
> - tuner->afc = 0;
> -
> - r = core->read(core, WL1273_RDS_SYNC_GET, &val);
> - if (r)
> - goto out;
> -
> - if (val == WL1273_RDS_SYNCHRONIZED)
> - tuner->rxsubchans |= V4L2_TUNER_SUB_RDS;
> -out:
> - mutex_unlock(&core->lock);
> -
> - return r;
> -}
> -
> -static int wl1273_fm_vidioc_s_tuner(struct file *file, void *priv,
> - const struct v4l2_tuner *tuner)
> -{
> - struct wl1273_device *radio = video_get_drvdata(video_devdata(file));
> - struct wl1273_core *core = radio->core;
> - int r = 0;
> -
> - dev_dbg(radio->dev, "%s\n", __func__);
> - dev_dbg(radio->dev, "tuner->index: %d\n", tuner->index);
> - dev_dbg(radio->dev, "tuner->name: %s\n", tuner->name);
> - dev_dbg(radio->dev, "tuner->capability: 0x%04x\n", tuner->capability);
> - dev_dbg(radio->dev, "tuner->rxsubchans: 0x%04x\n", tuner->rxsubchans);
> - dev_dbg(radio->dev, "tuner->rangelow: %d\n", tuner->rangelow);
> - dev_dbg(radio->dev, "tuner->rangehigh: %d\n", tuner->rangehigh);
> -
> - if (tuner->index > 0)
> - return -EINVAL;
> -
> - if (mutex_lock_interruptible(&core->lock))
> - return -EINTR;
> -
> - r = wl1273_fm_set_mode(radio, WL1273_MODE_RX);
> - if (r)
> - goto out;
> -
> - if (tuner->rxsubchans & V4L2_TUNER_SUB_RDS)
> - r = wl1273_fm_set_rds(radio, WL1273_RDS_ON);
> - else
> - r = wl1273_fm_set_rds(radio, WL1273_RDS_OFF);
> -
> - if (r)
> - dev_warn(radio->dev, "%s: RDS fails: %d\n", __func__, r);
> -
> - if (tuner->audmode == V4L2_TUNER_MODE_MONO) {
> - r = core->write(core, WL1273_MOST_MODE_SET, WL1273_RX_MONO);
> - if (r < 0) {
> - dev_warn(radio->dev, "%s: MOST_MODE fails: %d\n",
> - __func__, r);
> - goto out;
> - }
> - radio->stereo = false;
> - } else if (tuner->audmode == V4L2_TUNER_MODE_STEREO) {
> - r = core->write(core, WL1273_MOST_MODE_SET, WL1273_RX_STEREO);
> - if (r < 0) {
> - dev_warn(radio->dev, "%s: MOST_MODE fails: %d\n",
> - __func__, r);
> - goto out;
> - }
> - radio->stereo = true;
> - } else {
> - dev_err(radio->dev, "%s: tuner->audmode: %d\n",
> - __func__, tuner->audmode);
> - r = -EINVAL;
> - goto out;
> - }
> -
> -out:
> - mutex_unlock(&core->lock);
> -
> - return r;
> -}
> -
> -static int wl1273_fm_vidioc_g_frequency(struct file *file, void *priv,
> - struct v4l2_frequency *freq)
> -{
> - struct wl1273_device *radio = video_get_drvdata(video_devdata(file));
> - struct wl1273_core *core = radio->core;
> -
> - dev_dbg(radio->dev, "%s\n", __func__);
> -
> - if (mutex_lock_interruptible(&core->lock))
> - return -EINTR;
> -
> - freq->type = V4L2_TUNER_RADIO;
> - freq->frequency = WL1273_FREQ(wl1273_fm_get_freq(radio));
> -
> - mutex_unlock(&core->lock);
> -
> - return 0;
> -}
> -
> -static int wl1273_fm_vidioc_s_frequency(struct file *file, void *priv,
> - const struct v4l2_frequency *freq)
> -{
> - struct wl1273_device *radio = video_get_drvdata(video_devdata(file));
> - struct wl1273_core *core = radio->core;
> - int r;
> -
> - dev_dbg(radio->dev, "%s: %d\n", __func__, freq->frequency);
> -
> - if (freq->type != V4L2_TUNER_RADIO) {
> - dev_dbg(radio->dev,
> - "freq->type != V4L2_TUNER_RADIO: %d\n", freq->type);
> - return -EINVAL;
> - }
> -
> - if (mutex_lock_interruptible(&core->lock))
> - return -EINTR;
> -
> - if (core->mode == WL1273_MODE_RX) {
> - dev_dbg(radio->dev, "freq: %d\n", freq->frequency);
> -
> - r = wl1273_fm_set_rx_freq(radio,
> - WL1273_INV_FREQ(freq->frequency));
> - if (r)
> - dev_warn(radio->dev, WL1273_FM_DRIVER_NAME
> - ": set frequency failed with %d\n", r);
> - } else {
> - r = wl1273_fm_set_tx_freq(radio,
> - WL1273_INV_FREQ(freq->frequency));
> - if (r)
> - dev_warn(radio->dev, WL1273_FM_DRIVER_NAME
> - ": set frequency failed with %d\n", r);
> - }
> -
> - mutex_unlock(&core->lock);
> -
> - dev_dbg(radio->dev, "wl1273_vidioc_s_frequency: DONE\n");
> - return r;
> -}
> -
> -#define WL1273_DEFAULT_SEEK_LEVEL 7
> -
> -static int wl1273_fm_vidioc_s_hw_freq_seek(struct file *file, void *priv,
> - const struct v4l2_hw_freq_seek *seek)
> -{
> - struct wl1273_device *radio = video_get_drvdata(video_devdata(file));
> - struct wl1273_core *core = radio->core;
> - int r;
> -
> - dev_dbg(radio->dev, "%s\n", __func__);
> -
> - if (seek->tuner != 0 || seek->type != V4L2_TUNER_RADIO)
> - return -EINVAL;
> -
> - if (file->f_flags & O_NONBLOCK)
> - return -EWOULDBLOCK;
> -
> - if (mutex_lock_interruptible(&core->lock))
> - return -EINTR;
> -
> - r = wl1273_fm_set_mode(radio, WL1273_MODE_RX);
> - if (r)
> - goto out;
> -
> - r = wl1273_fm_tx_set_spacing(radio, seek->spacing);
> - if (r)
> - dev_warn(radio->dev, "HW seek failed: %d\n", r);
> -
> - r = wl1273_fm_set_seek(radio, seek->wrap_around, seek->seek_upward,
> - WL1273_DEFAULT_SEEK_LEVEL);
> - if (r)
> - dev_warn(radio->dev, "HW seek failed: %d\n", r);
> -
> -out:
> - mutex_unlock(&core->lock);
> - return r;
> -}
> -
> -static int wl1273_fm_vidioc_s_modulator(struct file *file, void *priv,
> - const struct v4l2_modulator *modulator)
> -{
> - struct wl1273_device *radio = video_get_drvdata(video_devdata(file));
> - struct wl1273_core *core = radio->core;
> - int r = 0;
> -
> - dev_dbg(radio->dev, "%s\n", __func__);
> -
> - if (modulator->index > 0)
> - return -EINVAL;
> -
> - if (mutex_lock_interruptible(&core->lock))
> - return -EINTR;
> -
> - r = wl1273_fm_set_mode(radio, WL1273_MODE_TX);
> - if (r)
> - goto out;
> -
> - if (modulator->txsubchans & V4L2_TUNER_SUB_RDS)
> - r = wl1273_fm_set_rds(radio, WL1273_RDS_ON);
> - else
> - r = wl1273_fm_set_rds(radio, WL1273_RDS_OFF);
> -
> - if (modulator->txsubchans & V4L2_TUNER_SUB_MONO)
> - r = core->write(core, WL1273_MONO_SET, WL1273_TX_MONO);
> - else
> - r = core->write(core, WL1273_MONO_SET,
> - WL1273_RX_STEREO);
> - if (r < 0)
> - dev_warn(radio->dev, WL1273_FM_DRIVER_NAME
> - "MONO_SET fails: %d\n", r);
> -out:
> - mutex_unlock(&core->lock);
> -
> - return r;
> -}
> -
> -static int wl1273_fm_vidioc_g_modulator(struct file *file, void *priv,
> - struct v4l2_modulator *modulator)
> -{
> - struct wl1273_device *radio = video_get_drvdata(video_devdata(file));
> - struct wl1273_core *core = radio->core;
> - u16 val;
> - int r;
> -
> - dev_dbg(radio->dev, "%s\n", __func__);
> -
> - strscpy(modulator->name, WL1273_FM_DRIVER_NAME,
> - sizeof(modulator->name));
> -
> - modulator->rangelow = WL1273_FREQ(WL1273_BAND_JAPAN_LOW);
> - modulator->rangehigh = WL1273_FREQ(WL1273_BAND_OTHER_HIGH);
> -
> - modulator->capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_RDS |
> - V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_RDS_BLOCK_IO;
> -
> - if (core->mode != WL1273_MODE_TX)
> - return 0;
> -
> - if (mutex_lock_interruptible(&core->lock))
> - return -EINTR;
> -
> - r = core->read(core, WL1273_MONO_SET, &val);
> - if (r)
> - goto out;
> -
> - if (val == WL1273_TX_STEREO)
> - modulator->txsubchans = V4L2_TUNER_SUB_STEREO;
> - else
> - modulator->txsubchans = V4L2_TUNER_SUB_MONO;
> -
> - if (radio->rds_on)
> - modulator->txsubchans |= V4L2_TUNER_SUB_RDS;
> -out:
> - mutex_unlock(&core->lock);
> -
> - return 0;
> -}
> -
> -static int wl1273_fm_vidioc_log_status(struct file *file, void *priv)
> -{
> - struct wl1273_device *radio = video_get_drvdata(video_devdata(file));
> - struct wl1273_core *core = radio->core;
> - struct device *dev = radio->dev;
> - u16 val;
> - int r;
> -
> - dev_info(dev, DRIVER_DESC);
> -
> - if (core->mode == WL1273_MODE_OFF) {
> - dev_info(dev, "Mode: Off\n");
> - return 0;
> - }
> -
> - if (core->mode == WL1273_MODE_SUSPENDED) {
> - dev_info(dev, "Mode: Suspended\n");
> - return 0;
> - }
> -
> - r = core->read(core, WL1273_ASIC_ID_GET, &val);
> - if (r)
> - dev_err(dev, "%s: Get ASIC_ID fails.\n", __func__);
> - else
> - dev_info(dev, "ASIC_ID: 0x%04x\n", val);
> -
> - r = core->read(core, WL1273_ASIC_VER_GET, &val);
> - if (r)
> - dev_err(dev, "%s: Get ASIC_VER fails.\n", __func__);
> - else
> - dev_info(dev, "ASIC Version: 0x%04x\n", val);
> -
> - r = core->read(core, WL1273_FIRM_VER_GET, &val);
> - if (r)
> - dev_err(dev, "%s: Get FIRM_VER fails.\n", __func__);
> - else
> - dev_info(dev, "FW version: %d(0x%04x)\n", val, val);
> -
> - r = core->read(core, WL1273_BAND_SET, &val);
> - if (r)
> - dev_err(dev, "%s: Get BAND fails.\n", __func__);
> - else
> - dev_info(dev, "BAND: %d\n", val);
> -
> - if (core->mode == WL1273_MODE_TX) {
> - r = core->read(core, WL1273_PUPD_SET, &val);
> - if (r)
> - dev_err(dev, "%s: Get PUPD fails.\n", __func__);
> - else
> - dev_info(dev, "PUPD: 0x%04x\n", val);
> -
> - r = core->read(core, WL1273_CHANL_SET, &val);
> - if (r)
> - dev_err(dev, "%s: Get CHANL fails.\n", __func__);
> - else
> - dev_info(dev, "Tx frequency: %dkHz\n", val*10);
> - } else if (core->mode == WL1273_MODE_RX) {
> - int bf = radio->rangelow;
> -
> - r = core->read(core, WL1273_FREQ_SET, &val);
> - if (r)
> - dev_err(dev, "%s: Get FREQ fails.\n", __func__);
> - else
> - dev_info(dev, "RX Frequency: %dkHz\n", bf + val*50);
> -
> - r = core->read(core, WL1273_MOST_MODE_SET, &val);
> - if (r)
> - dev_err(dev, "%s: Get MOST_MODE fails.\n",
> - __func__);
> - else if (val == 0)
> - dev_info(dev, "MOST_MODE: Stereo according to blend\n");
> - else if (val == 1)
> - dev_info(dev, "MOST_MODE: Force mono output\n");
> - else
> - dev_info(dev, "MOST_MODE: Unexpected value: %d\n", val);
> -
> - r = core->read(core, WL1273_MOST_BLEND_SET, &val);
> - if (r)
> - dev_err(dev, "%s: Get MOST_BLEND fails.\n", __func__);
> - else if (val == 0)
> - dev_info(dev,
> - "MOST_BLEND: Switched blend & hysteresis.\n");
> - else if (val == 1)
> - dev_info(dev, "MOST_BLEND: Soft blend.\n");
> - else
> - dev_info(dev, "MOST_BLEND: Unexpected val: %d\n", val);
> -
> - r = core->read(core, WL1273_STEREO_GET, &val);
> - if (r)
> - dev_err(dev, "%s: Get STEREO fails.\n", __func__);
> - else if (val == 0)
> - dev_info(dev, "STEREO: Not detected\n");
> - else if (val == 1)
> - dev_info(dev, "STEREO: Detected\n");
> - else
> - dev_info(dev, "STEREO: Unexpected value: %d\n", val);
> -
> - r = core->read(core, WL1273_RSSI_LVL_GET, &val);
> - if (r)
> - dev_err(dev, "%s: Get RSSI_LVL fails.\n", __func__);
> - else
> - dev_info(dev, "RX signal strength: %d\n", (s16) val);
> -
> - r = core->read(core, WL1273_POWER_SET, &val);
> - if (r)
> - dev_err(dev, "%s: Get POWER fails.\n", __func__);
> - else
> - dev_info(dev, "POWER: 0x%04x\n", val);
> -
> - r = core->read(core, WL1273_INT_MASK_SET, &val);
> - if (r)
> - dev_err(dev, "%s: Get INT_MASK fails.\n", __func__);
> - else
> - dev_info(dev, "INT_MASK: 0x%04x\n", val);
> -
> - r = core->read(core, WL1273_RDS_SYNC_GET, &val);
> - if (r)
> - dev_err(dev, "%s: Get RDS_SYNC fails.\n",
> - __func__);
> - else if (val == 0)
> - dev_info(dev, "RDS_SYNC: Not synchronized\n");
> -
> - else if (val == 1)
> - dev_info(dev, "RDS_SYNC: Synchronized\n");
> - else
> - dev_info(dev, "RDS_SYNC: Unexpected value: %d\n", val);
> -
> - r = core->read(core, WL1273_I2S_MODE_CONFIG_SET, &val);
> - if (r)
> - dev_err(dev, "%s: Get I2S_MODE_CONFIG fails.\n",
> - __func__);
> - else
> - dev_info(dev, "I2S_MODE_CONFIG: 0x%04x\n", val);
> -
> - r = core->read(core, WL1273_VOLUME_SET, &val);
> - if (r)
> - dev_err(dev, "%s: Get VOLUME fails.\n", __func__);
> - else
> - dev_info(dev, "VOLUME: 0x%04x\n", val);
> - }
> -
> - return 0;
> -}
> -
> -static void wl1273_vdev_release(struct video_device *dev)
> -{
> -}
> -
> -static const struct v4l2_ctrl_ops wl1273_ctrl_ops = {
> - .s_ctrl = wl1273_fm_s_ctrl,
> - .g_volatile_ctrl = wl1273_fm_g_volatile_ctrl,
> -};
> -
> -static const struct v4l2_ioctl_ops wl1273_ioctl_ops = {
> - .vidioc_querycap = wl1273_fm_vidioc_querycap,
> - .vidioc_g_input = wl1273_fm_vidioc_g_input,
> - .vidioc_s_input = wl1273_fm_vidioc_s_input,
> - .vidioc_g_audio = wl1273_fm_vidioc_g_audio,
> - .vidioc_s_audio = wl1273_fm_vidioc_s_audio,
> - .vidioc_g_tuner = wl1273_fm_vidioc_g_tuner,
> - .vidioc_s_tuner = wl1273_fm_vidioc_s_tuner,
> - .vidioc_g_frequency = wl1273_fm_vidioc_g_frequency,
> - .vidioc_s_frequency = wl1273_fm_vidioc_s_frequency,
> - .vidioc_s_hw_freq_seek = wl1273_fm_vidioc_s_hw_freq_seek,
> - .vidioc_g_modulator = wl1273_fm_vidioc_g_modulator,
> - .vidioc_s_modulator = wl1273_fm_vidioc_s_modulator,
> - .vidioc_log_status = wl1273_fm_vidioc_log_status,
> -};
> -
> -static const struct video_device wl1273_viddev_template = {
> - .fops = &wl1273_fops,
> - .ioctl_ops = &wl1273_ioctl_ops,
> - .name = WL1273_FM_DRIVER_NAME,
> - .release = wl1273_vdev_release,
> - .vfl_dir = VFL_DIR_TX,
> - .device_caps = V4L2_CAP_HW_FREQ_SEEK | V4L2_CAP_TUNER |
> - V4L2_CAP_RADIO | V4L2_CAP_AUDIO |
> - V4L2_CAP_RDS_CAPTURE | V4L2_CAP_MODULATOR |
> - V4L2_CAP_RDS_OUTPUT,
> -};
> -
> -static void wl1273_fm_radio_remove(struct platform_device *pdev)
> -{
> - struct wl1273_device *radio = platform_get_drvdata(pdev);
> - struct wl1273_core *core = radio->core;
> -
> - dev_info(&pdev->dev, "%s.\n", __func__);
> -
> - free_irq(core->client->irq, radio);
> - core->pdata->free_resources();
> -
> - v4l2_ctrl_handler_free(&radio->ctrl_handler);
> - video_unregister_device(&radio->videodev);
> - v4l2_device_unregister(&radio->v4l2dev);
> -}
> -
> -static int wl1273_fm_radio_probe(struct platform_device *pdev)
> -{
> - struct wl1273_core **core = pdev->dev.platform_data;
> - struct wl1273_device *radio;
> - struct v4l2_ctrl *ctrl;
> - int r = 0;
> -
> - pr_debug("%s\n", __func__);
> -
> - if (!core) {
> - dev_err(&pdev->dev, "No platform data.\n");
> - r = -EINVAL;
> - goto pdata_err;
> - }
> -
> - radio = devm_kzalloc(&pdev->dev, sizeof(*radio), GFP_KERNEL);
> - if (!radio) {
> - r = -ENOMEM;
> - goto pdata_err;
> - }
> -
> - /* RDS buffer allocation */
> - radio->buf_size = rds_buf * RDS_BLOCK_SIZE;
> - radio->buffer = devm_kzalloc(&pdev->dev, radio->buf_size, GFP_KERNEL);
> - if (!radio->buffer) {
> - pr_err("Cannot allocate memory for RDS buffer.\n");
> - r = -ENOMEM;
> - goto pdata_err;
> - }
> -
> - radio->core = *core;
> - radio->irq_flags = WL1273_IRQ_MASK;
> - radio->dev = &radio->core->client->dev;
> - radio->rds_on = false;
> - radio->core->mode = WL1273_MODE_OFF;
> - radio->tx_power = 118;
> - radio->core->audio_mode = WL1273_AUDIO_ANALOG;
> - radio->band = WL1273_BAND_OTHER;
> - radio->core->i2s_mode = WL1273_I2S_DEF_MODE;
> - radio->core->channel_number = 2;
> - radio->core->volume = WL1273_DEFAULT_VOLUME;
> - radio->rx_frequency = WL1273_BAND_OTHER_LOW;
> - radio->tx_frequency = WL1273_BAND_OTHER_HIGH;
> - radio->rangelow = WL1273_BAND_OTHER_LOW;
> - radio->rangehigh = WL1273_BAND_OTHER_HIGH;
> - radio->stereo = true;
> - radio->bus_type = "I2C";
> -
> - if (radio->core->pdata->request_resources) {
> - r = radio->core->pdata->request_resources(radio->core->client);
> - if (r) {
> - dev_err(radio->dev, WL1273_FM_DRIVER_NAME
> - ": Cannot get platform data\n");
> - goto pdata_err;
> - }
> -
> - dev_dbg(radio->dev, "irq: %d\n", radio->core->client->irq);
> -
> - r = request_threaded_irq(radio->core->client->irq, NULL,
> - wl1273_fm_irq_thread_handler,
> - IRQF_ONESHOT | IRQF_TRIGGER_FALLING,
> - "wl1273-fm", radio);
> - if (r < 0) {
> - dev_err(radio->dev, WL1273_FM_DRIVER_NAME
> - ": Unable to register IRQ handler: %d\n", r);
> - goto err_request_irq;
> - }
> - } else {
> - dev_err(radio->dev, WL1273_FM_DRIVER_NAME ": Core WL1273 IRQ not configured");
> - r = -EINVAL;
> - goto pdata_err;
> - }
> -
> - init_completion(&radio->busy);
> - init_waitqueue_head(&radio->read_queue);
> -
> - radio->write_buf = devm_kzalloc(&pdev->dev, 256, GFP_KERNEL);
> - if (!radio->write_buf) {
> - r = -ENOMEM;
> - goto write_buf_err;
> - }
> -
> - radio->dev = &pdev->dev;
> - radio->v4l2dev.ctrl_handler = &radio->ctrl_handler;
> - radio->rds_users = 0;
> -
> - r = v4l2_device_register(&pdev->dev, &radio->v4l2dev);
> - if (r) {
> - dev_err(&pdev->dev, "Cannot register v4l2_device.\n");
> - goto write_buf_err;
> - }
> -
> - /* V4L2 configuration */
> - radio->videodev = wl1273_viddev_template;
> -
> - radio->videodev.v4l2_dev = &radio->v4l2dev;
> -
> - v4l2_ctrl_handler_init(&radio->ctrl_handler, 6);
> -
> - /* add in ascending ID order */
> - v4l2_ctrl_new_std(&radio->ctrl_handler, &wl1273_ctrl_ops,
> - V4L2_CID_AUDIO_VOLUME, 0, WL1273_MAX_VOLUME, 1,
> - WL1273_DEFAULT_VOLUME);
> -
> - v4l2_ctrl_new_std(&radio->ctrl_handler, &wl1273_ctrl_ops,
> - V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1);
> -
> - v4l2_ctrl_new_std_menu(&radio->ctrl_handler, &wl1273_ctrl_ops,
> - V4L2_CID_TUNE_PREEMPHASIS,
> - V4L2_PREEMPHASIS_75_uS, 0x03,
> - V4L2_PREEMPHASIS_50_uS);
> -
> - v4l2_ctrl_new_std(&radio->ctrl_handler, &wl1273_ctrl_ops,
> - V4L2_CID_TUNE_POWER_LEVEL, 91, 122, 1, 118);
> -
> - ctrl = v4l2_ctrl_new_std(&radio->ctrl_handler, &wl1273_ctrl_ops,
> - V4L2_CID_TUNE_ANTENNA_CAPACITOR,
> - 0, 255, 1, 255);
> - if (ctrl)
> - ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
> -
> - if (radio->ctrl_handler.error) {
> - r = radio->ctrl_handler.error;
> - dev_err(&pdev->dev, "Ctrl handler error: %d\n", r);
> - goto handler_init_err;
> - }
> -
> - video_set_drvdata(&radio->videodev, radio);
> - platform_set_drvdata(pdev, radio);
> -
> - /* register video device */
> - r = video_register_device(&radio->videodev, VFL_TYPE_RADIO, radio_nr);
> - if (r) {
> - dev_err(&pdev->dev, WL1273_FM_DRIVER_NAME
> - ": Could not register video device\n");
> - goto handler_init_err;
> - }
> -
> - return 0;
> -
> -handler_init_err:
> - v4l2_ctrl_handler_free(&radio->ctrl_handler);
> - v4l2_device_unregister(&radio->v4l2dev);
> -write_buf_err:
> - free_irq(radio->core->client->irq, radio);
> -err_request_irq:
> - radio->core->pdata->free_resources();
> -pdata_err:
> - return r;
> -}
> -
> -static struct platform_driver wl1273_fm_radio_driver = {
> - .probe = wl1273_fm_radio_probe,
> - .remove = wl1273_fm_radio_remove,
> - .driver = {
> - .name = "wl1273_fm_radio",
> - },
> -};
> -
> -module_platform_driver(wl1273_fm_radio_driver);
> -
> -MODULE_AUTHOR("Matti Aaltonen <matti.j.aaltonen@nokia.com>");
> -MODULE_DESCRIPTION(DRIVER_DESC);
> -MODULE_LICENSE("GPL");
> -MODULE_ALIAS("platform:wl1273_fm_radio");

--
Regards,

Laurent Pinchart