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Message-ID: <20250625133258.78133-2-linux@treblig.org>
Date: Wed, 25 Jun 2025 14:32:55 +0100
From: linux@...blig.org
To: arnd@...db.de,
lee@...nel.org,
mchehab@...nel.org,
lgirdwood@...il.com,
broonie@...nel.org,
perex@...ex.cz,
tiwai@...e.com
Cc: linux-media@...r.kernel.org,
linux-sound@...r.kernel.org,
linux-kernel@...r.kernel.org,
"Dr. David Alan Gilbert" <linux@...blig.org>
Subject: [PATCH 1/4] media: radio-wl1273: Remove
From: "Dr. David Alan Gilbert" <linux@...blig.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@...blig.org>
---
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@...ia.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@...ia.com>");
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:wl1273_fm_radio");
--
2.49.0
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