From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 465F2284690; Fri, 8 Aug 2025 15:52:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754668346; cv=none; b=BchpnD3huTVZha77qjVhd5Hm67qgflQVs1G60t9vBuN7dlqeYdSepyredM8P3I8sDI7+RUB6k/9U9TQefKn4snoNK0jwTmAOfRVmU8CEvtBTcgjJdwP6E9dEE5X1QZN5fn/HHU5yZcrPGrn+QCk6X8NEn0Ku3/BmpHKr1KlnuNM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754668346; c=relaxed/simple; bh=Ufs/Qm0zNobziUdvdSRgMSrlcy40JLxAHH1uwOKF1RU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=GOvfA4SoYqttRbzBUx6uX3ExUEQOKAHLFo9RAv23x2xm5eKDjHQXU21vikFPE0HOiwP/Ls8WRGOfej4QpUPDvZHm33CPrBW2vcewJ8s+TqZllWSxovWkExsZlAbsqj9Pesde7azep/8E6JxDWcNH7Spr/XS6KQUfsltwFrulLzQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=Gh8afyYh; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="Gh8afyYh" Received: from pendragon.ideasonboard.com (81-175-209-231.bb.dnainternet.fi [81.175.209.231]) by perceval.ideasonboard.com (Postfix) with UTF8SMTPSA id BF6F11920; Fri, 8 Aug 2025 17:51:30 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1754668291; bh=Ufs/Qm0zNobziUdvdSRgMSrlcy40JLxAHH1uwOKF1RU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Gh8afyYhHXA6/7UkeJ6xK7w7MSAndp2zE4eSb5e6PQjV3ahpn6dtaNwGv1Ro68X0E v/QDfrzU/gAgqbkwMQUsl+EpjqsCA/5FOPC6acvfr58nVT8KCKxgaz/OC3xw0fi1rk 1DqmKx7DUwHH38VCFMz4CEaHYmACBbgf9X2auyk0= Date: Fri, 8 Aug 2025 18:52:05 +0300 From: Laurent Pinchart To: linux@treblig.org Cc: arnd@arndb.de, lee@kernel.org, mchehab@kernel.org, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, linux-media@vger.kernel.org, linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/4] media: radio-wl1273: Remove Message-ID: <20250808155205.GD23187@pendragon.ideasonboard.com> References: <20250625133258.78133-1-linux@treblig.org> <20250625133258.78133-2-linux@treblig.org> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20250625133258.78133-2-linux@treblig.org> 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" > > 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 Reviewed-by: Laurent Pinchart > --- > 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 > - . > - > - 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 > - */ > - > -#include > -#include > -#include > -#include > -#include > -#include > -#include > -#include > -#include > -#include > - > -#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 "); > -MODULE_DESCRIPTION(DRIVER_DESC); > -MODULE_LICENSE("GPL"); > -MODULE_ALIAS("platform:wl1273_fm_radio"); -- Regards, Laurent Pinchart