summaryrefslogtreecommitdiffstats
path: root/drivers/media/radio
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/radio')
-rw-r--r--drivers/media/radio/Kconfig4
-rw-r--r--drivers/media/radio/Makefile1
-rw-r--r--drivers/media/radio/dsbr100.c128
-rw-r--r--drivers/media/radio/radio-si4713.c3
-rw-r--r--drivers/media/radio/radio-timb.c3
-rw-r--r--drivers/media/radio/radio-wl1273.c367
-rw-r--r--drivers/media/radio/si470x/radio-si470x-common.c1
-rw-r--r--drivers/media/radio/wl128x/Kconfig17
-rw-r--r--drivers/media/radio/wl128x/Makefile6
-rw-r--r--drivers/media/radio/wl128x/fmdrv.h244
-rw-r--r--drivers/media/radio/wl128x/fmdrv_common.c1687
-rw-r--r--drivers/media/radio/wl128x/fmdrv_common.h402
-rw-r--r--drivers/media/radio/wl128x/fmdrv_rx.c847
-rw-r--r--drivers/media/radio/wl128x/fmdrv_rx.h59
-rw-r--r--drivers/media/radio/wl128x/fmdrv_tx.c425
-rw-r--r--drivers/media/radio/wl128x/fmdrv_tx.h37
-rw-r--r--drivers/media/radio/wl128x/fmdrv_v4l2.c580
-rw-r--r--drivers/media/radio/wl128x/fmdrv_v4l2.h33
18 files changed, 4491 insertions, 353 deletions
diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig
index ecdffa6aac6..299994c3aa7 100644
--- a/drivers/media/radio/Kconfig
+++ b/drivers/media/radio/Kconfig
@@ -441,6 +441,7 @@ config RADIO_TIMBERDALE
config RADIO_WL1273
tristate "Texas Instruments WL1273 I2C FM Radio"
depends on I2C && VIDEO_V4L2
+ select MFD_CORE
select MFD_WL1273_CORE
select FW_LOADER
---help---
@@ -454,4 +455,7 @@ config RADIO_WL1273
To compile this driver as a module, choose M here: the
module will be called radio-wl1273.
+# TI's ST based wl128x FM radio
+source "drivers/media/radio/wl128x/Kconfig"
+
endif # RADIO_ADAPTERS
diff --git a/drivers/media/radio/Makefile b/drivers/media/radio/Makefile
index 717656d2f74..2faa3337198 100644
--- a/drivers/media/radio/Makefile
+++ b/drivers/media/radio/Makefile
@@ -26,5 +26,6 @@ obj-$(CONFIG_RADIO_SAA7706H) += saa7706h.o
obj-$(CONFIG_RADIO_TEF6862) += tef6862.o
obj-$(CONFIG_RADIO_TIMBERDALE) += radio-timb.o
obj-$(CONFIG_RADIO_WL1273) += radio-wl1273.o
+obj-$(CONFIG_RADIO_WL128X) += wl128x/
EXTRA_CFLAGS += -Isound
diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c
index ed9cd7ad060..3d8cc425fa6 100644
--- a/drivers/media/radio/dsbr100.c
+++ b/drivers/media/radio/dsbr100.c
@@ -129,7 +129,7 @@ devices, that would be 76 and 91. */
#define STARTED 0
#define STOPPED 1
-#define videodev_to_radio(d) container_of(d, struct dsbr100_device, videodev)
+#define v4l2_dev_to_radio(d) container_of(d, struct dsbr100_device, v4l2_dev)
static int usb_dsbr100_probe(struct usb_interface *intf,
const struct usb_device_id *id);
@@ -148,10 +148,9 @@ struct dsbr100_device {
struct v4l2_device v4l2_dev;
u8 *transfer_buffer;
- struct mutex lock; /* buffer locking */
+ struct mutex v4l2_lock;
int curfreq;
int stereo;
- int removed;
int status;
};
@@ -182,8 +181,6 @@ static int dsbr100_start(struct dsbr100_device *radio)
int retval;
int request;
- mutex_lock(&radio->lock);
-
retval = usb_control_msg(radio->usbdev,
usb_rcvctrlpipe(radio->usbdev, 0),
USB_REQ_GET_STATUS,
@@ -207,11 +204,9 @@ static int dsbr100_start(struct dsbr100_device *radio)
}
radio->status = STARTED;
- mutex_unlock(&radio->lock);
return (radio->transfer_buffer)[0];
usb_control_msg_failed:
- mutex_unlock(&radio->lock);
dev_err(&radio->usbdev->dev,
"%s - usb_control_msg returned %i, request %i\n",
__func__, retval, request);
@@ -225,8 +220,6 @@ static int dsbr100_stop(struct dsbr100_device *radio)
int retval;
int request;
- mutex_lock(&radio->lock);
-
retval = usb_control_msg(radio->usbdev,
usb_rcvctrlpipe(radio->usbdev, 0),
USB_REQ_GET_STATUS,
@@ -250,11 +243,9 @@ static int dsbr100_stop(struct dsbr100_device *radio)
}
radio->status = STOPPED;
- mutex_unlock(&radio->lock);
return (radio->transfer_buffer)[0];
usb_control_msg_failed:
- mutex_unlock(&radio->lock);
dev_err(&radio->usbdev->dev,
"%s - usb_control_msg returned %i, request %i\n",
__func__, retval, request);
@@ -269,8 +260,6 @@ static int dsbr100_setfreq(struct dsbr100_device *radio)
int request;
int freq = (radio->curfreq / 16 * 80) / 1000 + 856;
- mutex_lock(&radio->lock);
-
retval = usb_control_msg(radio->usbdev,
usb_rcvctrlpipe(radio->usbdev, 0),
DSB100_TUNE,
@@ -306,12 +295,10 @@ static int dsbr100_setfreq(struct dsbr100_device *radio)
}
radio->stereo = !((radio->transfer_buffer)[0] & 0x01);
- mutex_unlock(&radio->lock);
return (radio->transfer_buffer)[0];
usb_control_msg_failed:
radio->stereo = -1;
- mutex_unlock(&radio->lock);
dev_err(&radio->usbdev->dev,
"%s - usb_control_msg returned %i, request %i\n",
__func__, retval, request);
@@ -324,8 +311,6 @@ static void dsbr100_getstat(struct dsbr100_device *radio)
{
int retval;
- mutex_lock(&radio->lock);
-
retval = usb_control_msg(radio->usbdev,
usb_rcvctrlpipe(radio->usbdev, 0),
USB_REQ_GET_STATUS,
@@ -340,33 +325,8 @@ static void dsbr100_getstat(struct dsbr100_device *radio)
} else {
radio->stereo = !(radio->transfer_buffer[0] & 0x01);
}
-
- mutex_unlock(&radio->lock);
}
-/* USB subsystem interface begins here */
-
-/*
- * Handle unplugging of the device.
- * We call video_unregister_device in any case.
- * The last function called in this procedure is
- * usb_dsbr100_video_device_release
- */
-static void usb_dsbr100_disconnect(struct usb_interface *intf)
-{
- struct dsbr100_device *radio = usb_get_intfdata(intf);
-
- usb_set_intfdata (intf, NULL);
-
- mutex_lock(&radio->lock);
- radio->removed = 1;
- mutex_unlock(&radio->lock);
-
- video_unregister_device(&radio->videodev);
- v4l2_device_disconnect(&radio->v4l2_dev);
-}
-
-
static int vidioc_querycap(struct file *file, void *priv,
struct v4l2_capability *v)
{
@@ -385,10 +345,6 @@ static int vidioc_g_tuner(struct file *file, void *priv,
{
struct dsbr100_device *radio = video_drvdata(file);
- /* safety check */
- if (radio->removed)
- return -EIO;
-
if (v->index > 0)
return -EINVAL;
@@ -410,16 +366,7 @@ static int vidioc_g_tuner(struct file *file, void *priv,
static int vidioc_s_tuner(struct file *file, void *priv,
struct v4l2_tuner *v)
{
- struct dsbr100_device *radio = video_drvdata(file);
-
- /* safety check */
- if (radio->removed)
- return -EIO;
-
- if (v->index > 0)
- return -EINVAL;
-
- return 0;
+ return v->index ? -EINVAL : 0;
}
static int vidioc_s_frequency(struct file *file, void *priv,
@@ -428,13 +375,7 @@ static int vidioc_s_frequency(struct file *file, void *priv,
struct dsbr100_device *radio = video_drvdata(file);
int retval;
- /* safety check */
- if (radio->removed)
- return -EIO;
-
- mutex_lock(&radio->lock);
radio->curfreq = f->frequency;
- mutex_unlock(&radio->lock);
retval = dsbr100_setfreq(radio);
if (retval < 0)
@@ -447,10 +388,6 @@ static int vidioc_g_frequency(struct file *file, void *priv,
{
struct dsbr100_device *radio = video_drvdata(file);
- /* safety check */
- if (radio->removed)
- return -EIO;
-
f->type = V4L2_TUNER_RADIO;
f->frequency = radio->curfreq;
return 0;
@@ -472,10 +409,6 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
{
struct dsbr100_device *radio = video_drvdata(file);
- /* safety check */
- if (radio->removed)
- return -EIO;
-
switch (ctrl->id) {
case V4L2_CID_AUDIO_MUTE:
ctrl->value = radio->status;
@@ -490,10 +423,6 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
struct dsbr100_device *radio = video_drvdata(file);
int retval;
- /* safety check */
- if (radio->removed)
- return -EIO;
-
switch (ctrl->id) {
case V4L2_CID_AUDIO_MUTE:
if (ctrl->value) {
@@ -535,25 +464,44 @@ static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
{
- if (i != 0)
- return -EINVAL;
- return 0;
+ return i ? -EINVAL : 0;
}
static int vidioc_s_audio(struct file *file, void *priv,
struct v4l2_audio *a)
{
- if (a->index != 0)
- return -EINVAL;
- return 0;
+ return a->index ? -EINVAL : 0;
+}
+
+/* USB subsystem interface begins here */
+
+/*
+ * Handle unplugging of the device.
+ * We call video_unregister_device in any case.
+ * The last function called in this procedure is
+ * usb_dsbr100_video_device_release
+ */
+static void usb_dsbr100_disconnect(struct usb_interface *intf)
+{
+ struct dsbr100_device *radio = usb_get_intfdata(intf);
+
+ v4l2_device_get(&radio->v4l2_dev);
+ mutex_lock(&radio->v4l2_lock);
+ usb_set_intfdata(intf, NULL);
+ video_unregister_device(&radio->videodev);
+ v4l2_device_disconnect(&radio->v4l2_dev);
+ mutex_unlock(&radio->v4l2_lock);
+ v4l2_device_put(&radio->v4l2_dev);
}
+
/* Suspend device - stop device. */
static int usb_dsbr100_suspend(struct usb_interface *intf, pm_message_t message)
{
struct dsbr100_device *radio = usb_get_intfdata(intf);
int retval;
+ mutex_lock(&radio->v4l2_lock);
if (radio->status == STARTED) {
retval = dsbr100_stop(radio);
if (retval < 0)
@@ -564,11 +512,9 @@ static int usb_dsbr100_suspend(struct usb_interface *intf, pm_message_t message)
* we set status equal to STARTED.
* On resume we will check status and run radio if needed.
*/
-
- mutex_lock(&radio->lock);
radio->status = STARTED;
- mutex_unlock(&radio->lock);
}
+ mutex_unlock(&radio->v4l2_lock);
dev_info(&intf->dev, "going into suspend..\n");
@@ -581,11 +527,13 @@ static int usb_dsbr100_resume(struct usb_interface *intf)
struct dsbr100_device *radio = usb_get_intfdata(intf);
int retval;
+ mutex_lock(&radio->v4l2_lock);
if (radio->status == STARTED) {
retval = dsbr100_start(radio);
if (retval < 0)
dev_warn(&intf->dev, "dsbr100_start failed\n");
}
+ mutex_unlock(&radio->v4l2_lock);
dev_info(&intf->dev, "coming out of suspend..\n");
@@ -593,9 +541,9 @@ static int usb_dsbr100_resume(struct usb_interface *intf)
}
/* free data structures */
-static void usb_dsbr100_video_device_release(struct video_device *videodev)
+static void usb_dsbr100_release(struct v4l2_device *v4l2_dev)
{
- struct dsbr100_device *radio = videodev_to_radio(videodev);
+ struct dsbr100_device *radio = v4l2_dev_to_radio(v4l2_dev);
v4l2_device_unregister(&radio->v4l2_dev);
kfree(radio->transfer_buffer);
@@ -605,7 +553,7 @@ static void usb_dsbr100_video_device_release(struct video_device *videodev)
/* File system interface */
static const struct v4l2_file_operations usb_dsbr100_fops = {
.owner = THIS_MODULE,
- .ioctl = video_ioctl2,
+ .unlocked_ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops usb_dsbr100_ioctl_ops = {
@@ -644,6 +592,7 @@ static int usb_dsbr100_probe(struct usb_interface *intf,
}
v4l2_dev = &radio->v4l2_dev;
+ v4l2_dev->release = usb_dsbr100_release;
retval = v4l2_device_register(&intf->dev, v4l2_dev);
if (retval < 0) {
@@ -653,15 +602,14 @@ static int usb_dsbr100_probe(struct usb_interface *intf,
return retval;
}
+ mutex_init(&radio->v4l2_lock);
strlcpy(radio->videodev.name, v4l2_dev->name, sizeof(radio->videodev.name));
radio->videodev.v4l2_dev = v4l2_dev;
radio->videodev.fops = &usb_dsbr100_fops;
radio->videodev.ioctl_ops = &usb_dsbr100_ioctl_ops;
- radio->videodev.release = usb_dsbr100_video_device_release;
-
- mutex_init(&radio->lock);
+ radio->videodev.release = video_device_release_empty;
+ radio->videodev.lock = &radio->v4l2_lock;
- radio->removed = 0;
radio->usbdev = interface_to_usbdev(intf);
radio->curfreq = FREQ_MIN * FREQ_MUL;
radio->status = STOPPED;
diff --git a/drivers/media/radio/radio-si4713.c b/drivers/media/radio/radio-si4713.c
index 726d367ad8d..444b4cf7e65 100644
--- a/drivers/media/radio/radio-si4713.c
+++ b/drivers/media/radio/radio-si4713.c
@@ -224,7 +224,8 @@ static int radio_si4713_s_frequency(struct file *file, void *p,
s_frequency, vf);
}
-static long radio_si4713_default(struct file *file, void *p, int cmd, void *arg)
+static long radio_si4713_default(struct file *file, void *p,
+ bool valid_prio, int cmd, void *arg)
{
return v4l2_device_call_until_err(get_v4l2_dev(file), 0, core,
ioctl, cmd, arg);
diff --git a/drivers/media/radio/radio-timb.c b/drivers/media/radio/radio-timb.c
index a185610b376..1e3a8dd820a 100644
--- a/drivers/media/radio/radio-timb.c
+++ b/drivers/media/radio/radio-timb.c
@@ -21,6 +21,7 @@
#include <media/v4l2-ioctl.h>
#include <media/v4l2-device.h>
#include <linux/platform_device.h>
+#include <linux/mfd/core.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/i2c.h>
@@ -148,7 +149,7 @@ static const struct v4l2_file_operations timbradio_fops = {
static int __devinit timbradio_probe(struct platform_device *pdev)
{
- struct timb_radio_platform_data *pdata = pdev->dev.platform_data;
+ struct timb_radio_platform_data *pdata = mfd_get_data(pdev);
struct timbradio *tr;
int err;
diff --git a/drivers/media/radio/radio-wl1273.c b/drivers/media/radio/radio-wl1273.c
index 7ecc8e65766..e2550dc2944 100644
--- a/drivers/media/radio/radio-wl1273.c
+++ b/drivers/media/radio/radio-wl1273.c
@@ -1,7 +1,7 @@
/*
* Driver for the Texas Instruments WL1273 FM radio.
*
- * Copyright (C) 2010 Nokia Corporation
+ * Copyright (C) 2011 Nokia Corporation
* Author: Matti J. Aaltonen <matti.j.aaltonen@nokia.com>
*
* This program is free software; you can redistribute it and/or
@@ -67,7 +67,6 @@ struct wl1273_device {
/* RDS */
unsigned int rds_on;
- struct delayed_work work;
wait_queue_head_t read_queue;
struct mutex lock; /* for serializing fm radio operations */
@@ -104,58 +103,6 @@ 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_read_reg(struct wl1273_core *core, u8 reg, u16 *value)
-{
- struct i2c_client *client = core->client;
- u8 b[2];
- int r;
-
- r = i2c_smbus_read_i2c_block_data(client, reg, sizeof(b), b);
- if (r != 2) {
- dev_err(&client->dev, "%s: Read: %d fails.\n", __func__, reg);
- return -EREMOTEIO;
- }
-
- *value = (u16)b[0] << 8 | b[1];
-
- return 0;
-}
-
-static int wl1273_fm_write_cmd(struct wl1273_core *core, u8 cmd, u16 param)
-{
- struct i2c_client *client = core->client;
- u8 buf[] = { (param >> 8) & 0xff, param & 0xff };
- int r;
-
- r = i2c_smbus_write_i2c_block_data(client, cmd, sizeof(buf), buf);
- if (r) {
- dev_err(&client->dev, "%s: Cmd: %d fails.\n", __func__, cmd);
- return r;
- }
-
- return 0;
-}
-
-static int wl1273_fm_write_data(struct wl1273_core *core, u8 *data, u16 len)
-{
- struct i2c_client *client = core->client;
- struct i2c_msg msg;
- int r;
-
- msg.addr = client->addr;
- msg.flags = 0;
- msg.buf = data;
- msg.len = len;
-
- r = i2c_transfer(client->adapter, &msg, 1);
- if (r != 1) {
- dev_err(&client->dev, "%s: write error.\n", __func__);
- return -EREMOTEIO;
- }
-
- return 0;
-}
-
static int wl1273_fm_write_fw(struct wl1273_core *core,
__u8 *fw, int len)
{
@@ -188,94 +135,6 @@ static int wl1273_fm_write_fw(struct wl1273_core *core,
return r;
}
-/**
- * wl1273_fm_set_audio() - Set audio mode.
- * @core: A pointer to the device struct.
- * @new_mode: The new audio mode.
- *
- * Audio modes are WL1273_AUDIO_DIGITAL and WL1273_AUDIO_ANALOG.
- */
-static int wl1273_fm_set_audio(struct wl1273_core *core, unsigned int new_mode)
-{
- int r = 0;
-
- if (core->mode == WL1273_MODE_OFF ||
- core->mode == WL1273_MODE_SUSPENDED)
- return -EPERM;
-
- if (core->mode == WL1273_MODE_RX && new_mode == WL1273_AUDIO_DIGITAL) {
- r = wl1273_fm_write_cmd(core, WL1273_PCM_MODE_SET,
- WL1273_PCM_DEF_MODE);
- if (r)
- goto out;
-
- r = wl1273_fm_write_cmd(core, WL1273_I2S_MODE_CONFIG_SET,
- core->i2s_mode);
- if (r)
- goto out;
-
- r = wl1273_fm_write_cmd(core, WL1273_AUDIO_ENABLE,
- WL1273_AUDIO_ENABLE_I2S);
- if (r)
- goto out;
-
- } else if (core->mode == WL1273_MODE_RX &&
- new_mode == WL1273_AUDIO_ANALOG) {
- r = wl1273_fm_write_cmd(core, WL1273_AUDIO_ENABLE,
- WL1273_AUDIO_ENABLE_ANALOG);
- if (r)
- goto out;
-
- } else if (core->mode == WL1273_MODE_TX &&
- new_mode == WL1273_AUDIO_DIGITAL) {
- r = wl1273_fm_write_cmd(core, WL1273_I2S_MODE_CONFIG_SET,
- core->i2s_mode);
- if (r)
- goto out;
-
- r = wl1273_fm_write_cmd(core, WL1273_AUDIO_IO_SET,
- WL1273_AUDIO_IO_SET_I2S);
- if (r)
- goto out;
-
- } else if (core->mode == WL1273_MODE_TX &&
- new_mode == WL1273_AUDIO_ANALOG) {
- r = wl1273_fm_write_cmd(core, WL1273_AUDIO_IO_SET,
- WL1273_AUDIO_IO_SET_ANALOG);
- if (r)
- goto out;
- }
-
- core->audio_mode = new_mode;
-out:
- return r;
-}
-
-/**
- * wl1273_fm_set_volume() - Set volume.
- * @core: A pointer to the device struct.
- * @volume: The new volume value.
- */
-static int wl1273_fm_set_volume(struct wl1273_core *core, unsigned int volume)
-{
- u16 val;
- int r;
-
- if (volume > WL1273_MAX_VOLUME)
- return -EINVAL;
-
- if (core->volume == volume)
- return 0;
-
- val = volume;
- r = wl1273_fm_read_reg(core, WL1273_VOLUME_SET, &val);
- if (r)
- return r;
-
- core->volume = volume;
- return 0;
-}
-
#define WL1273_FIFO_HAS_DATA(status) (1 << 5 & status)
#define WL1273_RDS_CORRECTABLE_ERROR (1 << 3)
#define WL1273_RDS_UNCORRECTABLE_ERROR (1 << 4)
@@ -306,7 +165,7 @@ static int wl1273_fm_rds(struct wl1273_device *radio)
if (core->mode != WL1273_MODE_RX)
return 0;
- r = wl1273_fm_read_reg(core, WL1273_RDS_SYNC_GET, &val);
+ r = core->read(core, WL1273_RDS_SYNC_GET, &val);
if (r)
return r;
@@ -374,7 +233,7 @@ static irqreturn_t wl1273_fm_irq_thread_handler(int irq, void *dev_id)
u16 flags;
int r;
- r = wl1273_fm_read_reg(core, WL1273_FLAG_GET, &flags);
+ r = core->read(core, WL1273_FLAG_GET, &flags);
if (r)
goto out;
@@ -398,7 +257,7 @@ static irqreturn_t wl1273_fm_irq_thread_handler(int irq, void *dev_id)
if (flags & WL1273_LEV_EVENT) {
u16 level;
- r = wl1273_fm_read_reg(core, WL1273_RSSI_LVL_GET, &level);
+ r = core->read(core, WL1273_RSSI_LVL_GET, &level);
if (r)
goto out;
@@ -439,8 +298,8 @@ static irqreturn_t wl1273_fm_irq_thread_handler(int irq, void *dev_id)
dev_dbg(radio->dev, "IRQ: FR:\n");
if (core->mode == WL1273_MODE_RX) {
- r = wl1273_fm_write_cmd(core, WL1273_TUNER_MODE_SET,
- TUNER_MODE_STOP_SEARCH);
+ 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",
@@ -448,7 +307,7 @@ static irqreturn_t wl1273_fm_irq_thread_handler(int irq, void *dev_id)
goto out;
}
- r = wl1273_fm_read_reg(core, WL1273_FREQ_SET, &freq);
+ r = core->read(core, WL1273_FREQ_SET, &freq);
if (r)
goto out;
@@ -467,7 +326,7 @@ static irqreturn_t wl1273_fm_irq_thread_handler(int irq, void *dev_id)
dev_dbg(radio->dev, "%dkHz\n", radio->rx_frequency);
} else {
- r = wl1273_fm_read_reg(core, WL1273_CHANL_SET, &freq);
+ r = core->read(core, WL1273_CHANL_SET, &freq);
if (r)
goto out;
@@ -477,8 +336,7 @@ static irqreturn_t wl1273_fm_irq_thread_handler(int irq, void *dev_id)
}
out:
- wl1273_fm_write_cmd(core, WL1273_INT_MASK_SET,
- radio->irq_flags);
+ core->write(core, WL1273_INT_MASK_SET, radio->irq_flags);
complete(&radio->busy);
return IRQ_HANDLED;
@@ -512,7 +370,7 @@ static int wl1273_fm_set_tx_freq(struct wl1273_device *radio, unsigned int freq)
dev_dbg(radio->dev, "%s: freq: %d kHz\n", __func__, freq);
/* Set the current tx channel */
- r = wl1273_fm_write_cmd(core, WL1273_CHANL_SET, freq / 10);
+ r = core->write(core, WL1273_CHANL_SET, freq / 10);
if (r)
return r;
@@ -526,7 +384,7 @@ static int wl1273_fm_set_tx_freq(struct wl1273_device *radio, unsigned int freq)
dev_dbg(radio->dev, "WL1273_CHANL_SET: %d\n", r);
/* Enable the output power */
- r = wl1273_fm_write_cmd(core, WL1273_POWER_ENB_SET, 1);
+ r = core->write(core, WL1273_POWER_ENB_SET, 1);
if (r)
return r;
@@ -566,20 +424,20 @@ static int wl1273_fm_set_rx_freq(struct wl1273_device *radio, unsigned int freq)
dev_dbg(radio->dev, "%s: %dkHz\n", __func__, freq);
- wl1273_fm_write_cmd(core, WL1273_INT_MASK_SET, radio->irq_flags);
+ 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 = wl1273_fm_write_cmd(core, WL1273_FREQ_SET, f);
+ r = core->write(core, WL1273_FREQ_SET, f);
if (r) {
dev_err(radio->dev, "FREQ_SET fails\n");
goto err;
}
- r = wl1273_fm_write_cmd(core, WL1273_TUNER_MODE_SET, TUNER_MODE_PRESET);
+ r = core->write(core, WL1273_TUNER_MODE_SET, TUNER_MODE_PRESET);
if (r) {
dev_err(radio->dev, "TUNER_MODE_SET fails\n");
goto err;
@@ -609,7 +467,7 @@ static int wl1273_fm_get_freq(struct wl1273_device *radio)
int r;
if (core->mode == WL1273_MODE_RX) {
- r = wl1273_fm_read_reg(core, WL1273_FREQ_SET, &f);
+ r = core->read(core, WL1273_FREQ_SET, &f);
if (r)
return r;
@@ -619,7 +477,7 @@ static int wl1273_fm_get_freq(struct wl1273_device *radio)
else
freq = WL1273_BAND_OTHER_LOW + 50 * f;
} else {
- r = wl1273_fm_read_reg(core, WL1273_CHANL_SET, &f);
+ r = core->read(core, WL1273_CHANL_SET, &f);
if (r)
return r;
@@ -670,7 +528,7 @@ static int wl1273_fm_upload_firmware_patch(struct wl1273_device *radio)
}
/* ignore possible error here */
- wl1273_fm_write_cmd(core, WL1273_RESET, 0);
+ core->write(core, WL1273_RESET, 0);
dev_dbg(dev, "%s - download OK, r: %d\n", __func__, r);
out:
@@ -683,14 +541,14 @@ static int wl1273_fm_stop(struct wl1273_device *radio)
struct wl1273_core *core = radio->core;
if (core->mode == WL1273_MODE_RX) {
- int r = wl1273_fm_write_cmd(core, WL1273_POWER_SET,
+ 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 = wl1273_fm_write_cmd(core, WL1273_PUPD_SET,
- WL1273_PUPD_SET_OFF);
+ 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);
@@ -725,11 +583,11 @@ static int wl1273_fm_start(struct wl1273_device *radio, int new_mode)
val |= WL1273_POWER_SET_RDS;
/* If this fails try again */
- r = wl1273_fm_write_cmd(core, WL1273_POWER_SET, val);
+ r = core->write(core, WL1273_POWER_SET, val);
if (r) {
msleep(100);
- r = wl1273_fm_write_cmd(core, WL1273_POWER_SET, val);
+ r = core->write(core, WL1273_POWER_SET, val);
if (r) {
dev_err(dev, "%s: POWER_SET fails\n", __func__);
goto fail;
@@ -742,11 +600,10 @@ static int wl1273_fm_start(struct wl1273_device *radio, int new_mode)
} else if (new_mode == WL1273_MODE_TX) {
/* If this fails try again once */
- r = wl1273_fm_write_cmd(core, WL1273_PUPD_SET,
- WL1273_PUPD_SET_ON);
+ r = core->write(core, WL1273_PUPD_SET, WL1273_PUPD_SET_ON);
if (r) {
msleep(100);
- r = wl1273_fm_write_cmd(core, WL1273_PUPD_SET,
+ r = core->write(core, WL1273_PUPD_SET,
WL1273_PUPD_SET_ON);
if (r) {
dev_err(dev, "%s: PUPD_SET fails\n", __func__);
@@ -755,9 +612,9 @@ static int wl1273_fm_start(struct wl1273_device *radio, int new_mode)
}
if (radio->rds_on)
- r = wl1273_fm_write_cmd(core, WL1273_RDS_DATA_ENB, 1);
+ r = core->write(core, WL1273_RDS_DATA_ENB, 1);
else
- r = wl1273_fm_write_cmd(core, WL1273_RDS_DATA_ENB, 0);
+ r = core->write(core, WL1273_RDS_DATA_ENB, 0);
} else {
dev_warn(dev, "%s: Illegal mode.\n", __func__);
}
@@ -777,14 +634,14 @@ static int wl1273_fm_start(struct wl1273_device *radio, int new_mode)
if (radio->rds_on)
val |= WL1273_POWER_SET_RDS;
- r = wl1273_fm_write_cmd(core, WL1273_POWER_SET, val);
+ 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 = wl1273_fm_write_cmd(core, WL1273_PUPD_SET,
- WL1273_PUPD_SET_ON);
+ r = core->write(core, WL1273_PUPD_SET,
+ WL1273_PUPD_SET_ON);
if (r) {
dev_err(dev, "%s: PUPD_SET fails\n", __func__);
goto fail;
@@ -808,10 +665,10 @@ static int wl1273_fm_suspend(struct wl1273_device *radio)
/* Cannot go from OFF to SUSPENDED */
if (core->mode == WL1273_MODE_RX)
- r = wl1273_fm_write_cmd(core, WL1273_POWER_SET,
+ r = core->write(core, WL1273_POWER_SET,
WL1273_POWER_SET_RETENTION);
else if (core->mode == WL1273_MODE_TX)
- r = wl1273_fm_write_cmd(core, WL1273_PUPD_SET,
+ r = core->write(core, WL1273_PUPD_SET,
WL1273_PUPD_SET_RETENTION);
else
r = -EINVAL;
@@ -852,8 +709,7 @@ static int wl1273_fm_set_mode(struct wl1273_device *radio, int mode)
}
core->mode = mode;
- r = wl1273_fm_write_cmd(core, WL1273_INT_MASK_SET,
- radio->irq_flags);
+ r = core->write(core, WL1273_INT_MASK_SET, radio->irq_flags);
if (r) {
dev_err(dev, "INT_MASK_SET fails.\n");
goto out;
@@ -951,22 +807,21 @@ static int wl1273_fm_set_seek(struct wl1273_device *radio,
INIT_COMPLETION(radio->busy);
dev_dbg(radio->dev, "%s: BUSY\n", __func__);
- r = wl1273_fm_write_cmd(core, WL1273_INT_MASK_SET, radio->irq_flags);
+ r = core->write(core, WL1273_INT_MASK_SET, radio->irq_flags);
if (r)
goto out;
dev_dbg(radio->dev, "%s\n", __func__);
- r = wl1273_fm_write_cmd(core, WL1273_SEARCH_LVL_SET, level);
+ r = core->write(core, WL1273_SEARCH_LVL_SET, level);
if (r)
goto out;
- r = wl1273_fm_write_cmd(core, WL1273_SEARCH_DIR_SET, dir);
+ r = core->write(core, WL1273_SEARCH_DIR_SET, dir);
if (r)
goto out;
- r = wl1273_fm_write_cmd(core, WL1273_TUNER_MODE_SET,
- TUNER_MODE_AUTO_SEEK);
+ r = core->write(core, WL1273_TUNER_MODE_SET, TUNER_MODE_AUTO_SEEK);
if (r)
goto out;
@@ -994,8 +849,7 @@ static int wl1273_fm_set_seek(struct wl1273_device *radio,
INIT_COMPLETION(radio->busy);
dev_dbg(radio->dev, "%s: BUSY\n", __func__);
- r = wl1273_fm_write_cmd(core, WL1273_TUNER_MODE_SET,
- TUNER_MODE_AUTO_SEEK);
+ r = core->write(core, WL1273_TUNER_MODE_SET, TUNER_MODE_AUTO_SEEK);
if (r)
goto out;
@@ -1020,7 +874,7 @@ static unsigned int wl1273_fm_get_tx_ctune(struct wl1273_device *radio)
core->mode == WL1273_MODE_SUSPENDED)
return -EPERM;
- r = wl1273_fm_read_reg(core, WL1273_READ_FMANT_TUNE_VALUE, &val);
+ r = core->read(core, WL1273_READ_FMANT_TUNE_VALUE, &val);
if (r) {
dev_err(dev, "%s: read error: %d\n", __func__, r);
goto out;
@@ -1066,7 +920,7 @@ static int wl1273_fm_set_preemphasis(struct wl1273_device *radio,
goto out;
}
- r = wl1273_fm_write_cmd(core, WL1273_PREMPH_SET, em);
+ r = core->write(core, WL1273_PREMPH_SET, em);
if (r)
goto out;
@@ -1086,7 +940,7 @@ static int wl1273_fm_rds_on(struct wl1273_device *radio)
if (radio->rds_on)
return 0;
- r = wl1273_fm_write_cmd(core, WL1273_POWER_SET,
+ r = core->write(core, WL1273_POWER_SET,
WL1273_POWER_SET_FM | WL1273_POWER_SET_RDS);
if (r)
goto out;
@@ -1108,19 +962,16 @@ static int wl1273_fm_rds_off(struct wl1273_device *radio)
radio->irq_flags &= ~WL1273_RDS_EVENT;
- r = wl1273_fm_write_cmd(core, WL1273_INT_MASK_SET, radio->irq_flags);
+ r = core->write(core, WL1273_INT_MASK_SET, radio->irq_flags);
if (r)
goto out;
- /* stop rds reception */
- cancel_delayed_work(&radio->work);
-
/* Service pending read */
wake_up_interruptible(&radio->read_queue);
dev_dbg(radio->dev, "%s\n", __func__);
- r = wl1273_fm_write_cmd(core, WL1273_POWER_SET, WL1273_POWER_SET_FM);
+ r = core->write(core, WL1273_POWER_SET, WL1273_POWER_SET_FM);
if (r)
goto out;
@@ -1143,14 +994,14 @@ static int wl1273_fm_set_rds(struct wl1273_device *radio, unsigned int new_mode)
return -EPERM;
if (new_mode == WL1273_RDS_RESET) {
- r = wl1273_fm_write_cmd(core, WL1273_RDS_CNTRL_SET, 1);
+ r = core->write(core, WL1273_RDS_CNTRL_SET, 1);
return r;
}
if (core->mode == WL1273_MODE_TX && new_mode == WL1273_RDS_OFF) {
- r = wl1273_fm_write_cmd(core, WL1273_RDS_DATA_ENB, 0);
+ r = core->write(core, WL1273_RDS_DATA_ENB, 0);
} else if (core->mode == WL1273_MODE_TX && new_mode == WL1273_RDS_ON) {
- r = wl1273_fm_write_cmd(core, WL1273_RDS_DATA_ENB, 1);
+ 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) {
@@ -1171,12 +1022,13 @@ 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 (radio->core->mode != WL1273_MODE_TX)
+ if (core->mode != WL1273_MODE_TX)
return count;
if (radio->rds_users == 0) {
@@ -1184,7 +1036,7 @@ static ssize_t wl1273_fm_fops_write(struct file *file, const char __user *buf,
return 0;
}
- if (mutex_lock_interruptible(&radio->core->lock))
+ if (mutex_lock_interruptible(&core->lock))
return -EINTR;
/*
* Multiple processes can open the device, but only
@@ -1202,7 +1054,7 @@ static ssize_t wl1273_fm_fops_write(struct file *file, const char __user *buf,
else
val = count;
- wl1273_fm_write_cmd(radio->core, WL1273_RDS_CONFIG_DATA_SET, val);
+ core->write(core, WL1273_RDS_CONFIG_DATA_SET, val);
if (copy_from_user(radio->write_buf + 1, buf, val)) {
r = -EFAULT;
@@ -1213,11 +1065,11 @@ static ssize_t wl1273_fm_fops_write(struct file *file, const char __user *buf,
dev_dbg(radio->dev, "From user: \"%s\"\n", radio->write_buf);
radio->write_buf[0] = WL1273_RDS_DATA_SET;
- wl1273_fm_write_data(radio->core, radio->write_buf, val + 1);
+ core->write_data(core, radio->write_buf, val + 1);
r = val;
out:
- mutex_unlock(&radio->core->lock);
+ mutex_unlock(&core->lock);
return r;
}
@@ -1263,8 +1115,8 @@ static int wl1273_fm_fops_open(struct file *file)
radio->irq_flags |= WL1273_RDS_EVENT;
- r = wl1273_fm_write_cmd(core, WL1273_INT_MASK_SET,
- radio->irq_flags);
+ r = core->write(core, WL1273_INT_MASK_SET,
+ radio->irq_flags);
if (r) {
mutex_unlock(&core->lock);
goto out;
@@ -1295,9 +1147,9 @@ static int wl1273_fm_fops_release(struct file *file)
radio->irq_flags &= ~WL1273_RDS_EVENT;
if (core->mode == WL1273_MODE_RX) {
- r = wl1273_fm_write_cmd(core,
- WL1273_INT_MASK_SET,
- radio->irq_flags);
+ r = core->write(core,
+ WL1273_INT_MASK_SET,
+ radio->irq_flags);
if (r) {
mutex_unlock(&core->lock);
goto out;
@@ -1324,7 +1176,7 @@ static ssize_t wl1273_fm_fops_read(struct file *file, char __user *buf,
dev_dbg(radio->dev, "%s\n", __func__);
- if (radio->core->mode != WL1273_MODE_RX)
+ if (core->mode != WL1273_MODE_RX)
return 0;
if (radio->rds_users == 0) {
@@ -1345,7 +1197,7 @@ static ssize_t wl1273_fm_fops_read(struct file *file, char __user *buf,
}
radio->owner = file;
- r = wl1273_fm_read_reg(core, WL1273_RDS_SYNC_GET, &val);
+ r = core->read(core, WL1273_RDS_SYNC_GET, &val);
if (r) {
dev_err(radio->dev, "%s: Get RDS_SYNC fails.\n", __func__);
goto out;
@@ -1466,23 +1318,24 @@ static int wl1273_fm_vidioc_s_input(struct file *file, void *priv,
*/
static int wl1273_fm_set_tx_power(struct wl1273_device *radio, u16 power)
{
+ struct wl1273_core *core = radio->core;
int r;
- if (radio->core->mode == WL1273_MODE_OFF ||
- radio->core->mode == WL1273_MODE_SUSPENDED)
+ if (core->mode == WL1273_MODE_OFF ||
+ core->mode == WL1273_MODE_SUSPENDED)
return -EPERM;
- mutex_lock(&radio->core->lock);
+ mutex_lock(&core->lock);
/* Convert the dBuV value to chip presentation */
- r = wl1273_fm_write_cmd(radio->core, WL1273_POWER_LEV_SET, 122 - power);
+ r = core->write(core, WL1273_POWER_LEV_SET, 122 - power);
if (r)
goto out;
radio->tx_power = power;
out:
- mutex_unlock(&radio->core->lock);
+ mutex_unlock(&core->lock);
return r;
}
@@ -1493,23 +1346,24 @@ out:
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 = wl1273_fm_write_cmd(radio->core, WL1273_SCAN_SPACING_SET,
- WL1273_SPACING_100kHz);
+ r = core->write(core, WL1273_SCAN_SPACING_SET,
+ WL1273_SPACING_100kHz);
radio->spacing = 100;
} else if (spacing - 50000 < 25000) {
- r = wl1273_fm_write_cmd(radio->core, WL1273_SCAN_SPACING_SET,
- WL1273_SPACING_50kHz);
+ r = core->write(core, WL1273_SCAN_SPACING_SET,
+ WL1273_SPACING_50kHz);
radio->spacing = 50;
} else if (spacing - 100000 < 50000) {
- r = wl1273_fm_write_cmd(radio->core, WL1273_SCAN_SPACING_SET,
- WL1273_SPACING_100kHz);
+ r = core->write(core, WL1273_SCAN_SPACING_SET,
+ WL1273_SPACING_100kHz);
radio->spacing = 100;
} else {
- r = wl1273_fm_write_cmd(radio->core, WL1273_SCAN_SPACING_SET,
- WL1273_SPACING_200kHz);
+ r = core->write(core, WL1273_SCAN_SPACING_SET,
+ WL1273_SPACING_200kHz);
radio->spacing = 200;
}
@@ -1567,17 +1421,17 @@ static int wl1273_fm_vidioc_s_ctrl(struct v4l2_ctrl *ctrl)
return -EINTR;
if (core->mode == WL1273_MODE_RX && ctrl->val)
- r = wl1273_fm_write_cmd(core,
- WL1273_MUTE_STATUS_SET,
- WL1273_MUTE_HARD_LEFT |
- WL1273_MUTE_HARD_RIGHT);
+ r = core->write(core,
+ WL1273_MUTE_STATUS_SET,
+ WL1273_MUTE_HARD_LEFT |
+ WL1273_MUTE_HARD_RIGHT);
else if (core->mode == WL1273_MODE_RX)
- r = wl1273_fm_write_cmd(core,
- WL1273_MUTE_STATUS_SET, 0x0);
+ r = core->write(core,
+ WL1273_MUTE_STATUS_SET, 0x0);
else if (core->mode == WL1273_MODE_TX && ctrl->val)
- r = wl1273_fm_write_cmd(core, WL1273_MUTE, 1);
+ r = core->write(core, WL1273_MUTE, 1);
else if (core->mode == WL1273_MODE_TX)
- r = wl1273_fm_write_cmd(core, WL1273_MUTE, 0);
+ r = core->write(core, WL1273_MUTE, 0);
mutex_unlock(&core->lock);
break;
@@ -1672,7 +1526,7 @@ static int wl1273_fm_vidioc_g_tuner(struct file *file, void *priv,
if (mutex_lock_interruptible(&core->lock))
return -EINTR;
- r = wl1273_fm_read_reg(core, WL1273_STEREO_GET, &val);
+ r = core->read(core, WL1273_STEREO_GET, &val);
if (r)
goto out;
@@ -1681,7 +1535,7 @@ static int wl1273_fm_vidioc_g_tuner(struct file *file, void *priv,
else
tuner->rxsubchans = V4L2_TUNER_SUB_MONO;
- r = wl1273_fm_read_reg(core, WL1273_RSSI_LVL_GET, &val);
+ r = core->read(core, WL1273_RSSI_LVL_GET, &val);
if (r)
goto out;
@@ -1690,7 +1544,7 @@ static int wl1273_fm_vidioc_g_tuner(struct file *file, void *priv,
tuner->afc = 0;
- r = wl1273_fm_read_reg(core, WL1273_RDS_SYNC_GET, &val);
+ r = core->read(core, WL1273_RDS_SYNC_GET, &val);
if (r)
goto out;
@@ -1736,8 +1590,7 @@ static int wl1273_fm_vidioc_s_tuner(struct file *file, void *priv,
dev_warn(radio->dev, "%s: RDS fails: %d\n", __func__, r);
if (tuner->audmode == V4L2_TUNER_MODE_MONO) {
- r = wl1273_fm_write_cmd(core, WL1273_MOST_MODE_SET,
- WL1273_RX_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);
@@ -1745,8 +1598,7 @@ static int wl1273_fm_vidioc_s_tuner(struct file *file, void *priv,
}
radio->stereo = false;
} else if (tuner->audmode == V4L2_TUNER_MODE_STEREO) {
- r = wl1273_fm_write_cmd(core, WL1273_MOST_MODE_SET,
- WL1273_RX_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);
@@ -1885,10 +1737,10 @@ static int wl1273_fm_vidioc_s_modulator(struct file *file, void *priv,
r = wl1273_fm_set_rds(radio, WL1273_RDS_OFF);
if (modulator->txsubchans & V4L2_TUNER_SUB_MONO)
- r = wl1273_fm_write_cmd(core, WL1273_MONO_SET, WL1273_TX_MONO);
+ r = core->write(core, WL1273_MONO_SET, WL1273_TX_MONO);
else
- r = wl1273_fm_write_cmd(core, WL1273_MONO_SET,
- WL1273_RX_STEREO);
+ 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);
@@ -1923,7 +1775,7 @@ static int wl1273_fm_vidioc_g_modulator(struct file *file, void *priv,
if (mutex_lock_interruptible(&core->lock))
return -EINTR;
- r = wl1273_fm_read_reg(core, WL1273_MONO_SET, &val);
+ r = core->read(core, WL1273_MONO_SET, &val);
if (r)
goto out;
@@ -1960,38 +1812,38 @@ static int wl1273_fm_vidioc_log_status(struct file *file, void *priv)
return 0;
}
- r = wl1273_fm_read_reg(core, WL1273_ASIC_ID_GET, &val);
+ 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 = wl1273_fm_read_reg(core, WL1273_ASIC_VER_GET, &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 = wl1273_fm_read_reg(core, WL1273_FIRM_VER_GET, &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 = wl1273_fm_read_reg(core, WL1273_BAND_SET, &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 = wl1273_fm_read_reg(core, WL1273_PUPD_SET, &val);
+ 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 = wl1273_fm_read_reg(core, WL1273_CHANL_SET, &val);
+ r = core->read(core, WL1273_CHANL_SET, &val);
if (r)
dev_err(dev, "%s: Get CHANL fails.\n", __func__);
else
@@ -1999,13 +1851,13 @@ static int wl1273_fm_vidioc_log_status(struct file *file, void *priv)
} else if (core->mode == WL1273_MODE_RX) {
int bf = radio->rangelow;
- r = wl1273_fm_read_reg(core, WL1273_FREQ_SET, &val);
+ 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 = wl1273_fm_read_reg(core, WL1273_MOST_MODE_SET, &val);
+ r = core->read(core, WL1273_MOST_MODE_SET, &val);
if (r)
dev_err(dev, "%s: Get MOST_MODE fails.\n",
__func__);
@@ -2016,7 +1868,7 @@ static int wl1273_fm_vidioc_log_status(struct file *file, void *priv)
else
dev_info(dev, "MOST_MODE: Unexpected value: %d\n", val);
- r = wl1273_fm_read_reg(core, WL1273_MOST_BLEND_SET, &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)
@@ -2027,7 +1879,7 @@ static int wl1273_fm_vidioc_log_status(struct file *file, void *priv)
else
dev_info(dev, "MOST_BLEND: Unexpected val: %d\n", val);
- r = wl1273_fm_read_reg(core, WL1273_STEREO_GET, &val);
+ r = core->read(core, WL1273_STEREO_GET, &val);
if (r)
dev_err(dev, "%s: Get STEREO fails.\n", __func__);
else if (val == 0)
@@ -2037,25 +1889,25 @@ static int wl1273_fm_vidioc_log_status(struct file *file, void *priv)
else
dev_info(dev, "STEREO: Unexpected value: %d\n", val);
- r = wl1273_fm_read_reg(core, WL1273_RSSI_LVL_GET, &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 = wl1273_fm_read_reg(core, WL1273_POWER_SET, &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 = wl1273_fm_read_reg(core, WL1273_INT_MASK_SET, &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 = wl1273_fm_read_reg(core, WL1273_RDS_SYNC_GET, &val);
+ r = core->read(core, WL1273_RDS_SYNC_GET, &val);
if (r)
dev_err(dev, "%s: Get RDS_SYNC fails.\n",
__func__);
@@ -2067,14 +1919,14 @@ static int wl1273_fm_vidioc_log_status(struct file *file, void *priv)
else
dev_info(dev, "RDS_SYNC: Unexpected value: %d\n", val);
- r = wl1273_fm_read_reg(core, WL1273_I2S_MODE_CONFIG_SET, &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 = wl1273_fm_read_reg(core, WL1273_VOLUME_SET, &val);
+ r = core->read(core, WL1273_VOLUME_SET, &val);
if (r)
dev_err(dev, "%s: Get VOLUME fails.\n", __func__);
else
@@ -2138,7 +1990,7 @@ static int wl1273_fm_radio_remove(struct platform_device *pdev)
static int __devinit wl1273_fm_radio_probe(struct platform_device *pdev)
{
- struct wl1273_core **core = pdev->dev.platform_data;
+ struct wl1273_core **core = mfd_get_data(pdev);
struct wl1273_device *radio;
struct v4l2_ctrl *ctrl;
int r = 0;
@@ -2184,10 +2036,6 @@ static int __devinit wl1273_fm_radio_probe(struct platform_device *pdev)
radio->stereo = true;
radio->bus_type = "I2C";
- radio->core->write = wl1273_fm_write_cmd;
- radio->core->set_audio = wl1273_fm_set_audio;
- radio->core->set_volume = wl1273_fm_set_volume;
-
if (radio->core->pdata->request_resources) {
r = radio->core->pdata->request_resources(radio->core->client);
if (r) {
@@ -2319,7 +2167,6 @@ module_init(wl1273_fm_module_init);
static void __exit wl1273_fm_module_exit(void)
{
- flush_scheduled_work();
platform_driver_unregister(&wl1273_fm_radio_driver);
pr_info(DRIVER_DESC ", Exiting.\n");
}
diff --git a/drivers/media/radio/si470x/radio-si470x-common.c b/drivers/media/radio/si470x/radio-si470x-common.c
index 60c176fe328..38ae6cd6579 100644
--- a/drivers/media/radio/si470x/radio-si470x-common.c
+++ b/drivers/media/radio/si470x/radio-si470x-common.c
@@ -460,7 +460,6 @@ static ssize_t si470x_fops_read(struct file *file, char __user *buf,
count /= 3;
/* copy RDS block out of internal buffer and to user buffer */
- mutex_lock(&radio->lock);
while (block_count < count) {
if (radio->rd_index == radio->wr_index)
break;
diff --git a/drivers/media/radio/wl128x/Kconfig b/drivers/media/radio/wl128x/Kconfig
new file mode 100644
index 00000000000..749f67b192e
--- /dev/null
+++ b/drivers/media/radio/wl128x/Kconfig
@@ -0,0 +1,17 @@
+#
+# TI's wl128x FM driver based on TI's ST driver.
+#
+menu "Texas Instruments WL128x FM driver (ST based)"
+config RADIO_WL128X
+ tristate "Texas Instruments WL128x FM Radio"
+ depends on VIDEO_V4L2 && RFKILL
+ select TI_ST
+ 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/video4linux/API.html>.
+
+endmenu
diff --git a/drivers/media/radio/wl128x/Makefile b/drivers/media/radio/wl128x/Makefile
new file mode 100644
index 00000000000..32a0ead0984
--- /dev/null
+++ b/drivers/media/radio/wl128x/Makefile
@@ -0,0 +1,6 @@
+#
+# Makefile for TI's shared transport driver based wl128x
+# FM radio.
+#
+obj-$(CONFIG_RADIO_WL128X) += fm_drv.o
+fm_drv-objs := fmdrv_common.o fmdrv_rx.o fmdrv_tx.o fmdrv_v4l2.o
diff --git a/drivers/media/radio/wl128x/fmdrv.h b/drivers/media/radio/wl128x/fmdrv.h
new file mode 100644
index 00000000000..5db6fd14cf3
--- /dev/null
+++ b/drivers/media/radio/wl128x/fmdrv.h
@@ -0,0 +1,244 @@
+/*
+ * FM Driver for Connectivity chip of Texas Instruments.
+ *
+ * Common header for all FM driver sub-modules.
+ *
+ * Copyright (C) 2011 Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef _FM_DRV_H
+#define _FM_DRV_H
+
+#include <linux/skbuff.h>
+#include <linux/interrupt.h>
+#include <sound/core.h>
+#include <sound/initval.h>
+#include <linux/timer.h>
+#include <linux/version.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-ctrls.h>
+
+#define FM_DRV_VERSION "0.10"
+/* Should match with FM_DRV_VERSION */
+#define FM_DRV_RADIO_VERSION KERNEL_VERSION(0, 0, 1)
+#define FM_DRV_NAME "ti_fmdrv"
+#define FM_DRV_CARD_SHORT_NAME "TI FM Radio"
+#define FM_DRV_CARD_LONG_NAME "Texas Instruments FM Radio"
+
+/* Flag info */
+#define FM_INTTASK_RUNNING 0
+#define FM_INTTASK_SCHEDULE_PENDING 1
+#define FM_FW_DW_INPROGRESS 2
+#define FM_CORE_READY 3
+#define FM_CORE_TRANSPORT_READY 4
+#define FM_AF_SWITCH_INPROGRESS 5
+#define FM_CORE_TX_XMITING 6
+
+#define FM_TUNE_COMPLETE 0x1
+#define FM_BAND_LIMIT 0x2
+
+#define FM_DRV_TX_TIMEOUT (5*HZ) /* 5 seconds */
+#define FM_DRV_RX_SEEK_TIMEOUT (20*HZ) /* 20 seconds */
+
+#define NO_OF_ENTRIES_IN_ARRAY(array) (sizeof(array) / sizeof(array[0]))
+
+#define fmerr(format, ...) \
+ printk(KERN_ERR "fmdrv: " format, ## __VA_ARGS__)
+#define fmwarn(format, ...) \
+ printk(KERN_WARNING "fmdrv: " format, ##__VA_ARGS__)
+#ifdef DEBUG
+#define fmdbg(format, ...) \
+ printk(KERN_DEBUG "fmdrv: " format, ## __VA_ARGS__)
+#else /* DEBUG */
+#define fmdbg(format, ...)
+#endif
+enum {
+ FM_MODE_OFF,
+ FM_MODE_TX,
+ FM_MODE_RX,
+ FM_MODE_ENTRY_MAX
+};
+
+#define FM_RX_RDS_INFO_FIELD_MAX 8 /* 4 Group * 2 Bytes */
+
+/* RX RDS data format */
+struct fm_rdsdata_format {
+ union {
+ struct {
+ u8 buff[FM_RX_RDS_INFO_FIELD_MAX];
+ } groupdatabuff;
+ struct {
+ u16 pidata;
+ u8 blk_b[2];
+ u8 blk_c[2];
+ u8 blk_d[2];
+ } groupgeneral;
+ struct {
+ u16 pidata;
+ u8 blk_b[2];
+ u8 af[2];
+ u8 ps[2];
+ } group0A;
+ struct {
+ u16 pi[2];
+ u8 blk_b[2];
+ u8 ps[2];
+ } group0B;
+ } data;
+};
+
+/* FM region (Europe/US, Japan) info */
+struct region_info {
+ u32 chanl_space;
+ u32 bot_freq;
+ u32 top_freq;
+ u8 fm_band;
+};
+struct fmdev;
+typedef void (*int_handler_prototype) (struct fmdev *);
+
+/* FM Interrupt processing related info */
+struct fm_irq {
+ u8 stage;
+ u16 flag; /* FM interrupt flag */
+ u16 mask; /* FM interrupt mask */
+ /* Interrupt process timeout handler */
+ struct timer_list timer;
+ u8 retry;
+ int_handler_prototype *handlers;
+};
+
+/* RDS info */
+struct fm_rds {
+ u8 flag; /* RX RDS on/off status */
+ u8 last_blk_idx; /* Last received RDS block */
+
+ /* RDS buffer */
+ wait_queue_head_t read_queue;
+ u32 buf_size; /* Size is always multiple of 3 */
+ u32 wr_idx;
+ u32 rd_idx;
+ u8 *buff;
+};
+
+#define FM_RDS_MAX_AF_LIST 25
+
+/*
+ * Current RX channel Alternate Frequency cache.
+ * This info is used to switch to other freq (AF)
+ * when current channel signal strengh is below RSSI threshold.
+ */
+struct tuned_station_info {
+ u16 picode;
+ u32 af_cache[FM_RDS_MAX_AF_LIST];
+ u8 afcache_size;
+ u8 af_list_max;
+};
+
+/* FM RX mode info */
+struct fm_rx {
+ struct region_info region; /* Current selected band */
+ u32 freq; /* Current RX frquency */
+ u8 mute_mode; /* Current mute mode */
+ u8 deemphasis_mode; /* Current deemphasis mode */
+ /* RF dependent soft mute mode */
+ u8 rf_depend_mute;
+ u16 volume; /* Current volume level */
+ u16 rssi_threshold; /* Current RSSI threshold level */
+ /* Holds the index of the current AF jump */
+ u8 afjump_idx;
+ /* Will hold the frequency before the jump */
+ u32 freq_before_jump;
+ u8 rds_mode; /* RDS operation mode (RDS/RDBS) */
+ u8 af_mode; /* Alternate frequency on/off */
+ struct tuned_station_info stat_info;
+ struct fm_rds rds;
+};
+
+#define FMTX_RDS_TXT_STR_SIZE 25
+/*
+ * FM TX RDS data
+ *
+ * @ text_type: is the text following PS or RT
+ * @ text: radio text string which could either be PS or RT
+ * @ af_freq: alternate frequency for Tx
+ * TODO: to be declared in application
+ */
+struct tx_rds {
+ u8 text_type;
+ u8 text[FMTX_RDS_TXT_STR_SIZE];
+ u8 flag;
+ u32 af_freq;
+};
+/*
+ * FM TX global data
+ *
+ * @ pwr_lvl: Power Level of the Transmission from mixer control
+ * @ xmit_state: Transmission state = Updated locally upon Start/Stop
+ * @ audio_io: i2S/Analog
+ * @ tx_frq: Transmission frequency
+ */
+struct fmtx_data {
+ u8 pwr_lvl;
+ u8 xmit_state;
+ u8 audio_io;
+ u8 region;
+ u16 aud_mode;
+ u32 preemph;
+ u32 tx_frq;
+ struct tx_rds rds;
+};
+
+/* FM driver operation structure */
+struct fmdev {
+ struct video_device *radio_dev; /* V4L2 video device pointer */
+ struct snd_card *card; /* Card which holds FM mixer controls */
+ u16 asci_id;
+ spinlock_t rds_buff_lock; /* To protect access to RDS buffer */
+ spinlock_t resp_skb_lock; /* To protect access to received SKB */
+
+ long flag; /* FM driver state machine info */
+ u8 streg_cbdata; /* status of ST registration */
+
+ struct sk_buff_head rx_q; /* RX queue */
+ struct tasklet_struct rx_task; /* RX Tasklet */
+
+ struct sk_buff_head tx_q; /* TX queue */
+ struct tasklet_struct tx_task; /* TX Tasklet */
+ unsigned long last_tx_jiffies; /* Timestamp of last pkt sent */
+ atomic_t tx_cnt; /* Number of packets can send at a time */
+
+ struct sk_buff *resp_skb; /* Response from the chip */
+ /* Main task completion handler */
+ struct completion maintask_comp;
+ /* Opcode of last command sent to the chip */
+ u8 pre_op;
+ /* Handler used for wakeup when response packet is received */
+ struct completion *resp_comp;
+ struct fm_irq irq_info;
+ u8 curr_fmmode; /* Current FM chip mode (TX, RX, OFF) */
+ struct fm_rx rx; /* FM receiver info */
+ struct fmtx_data tx_data;
+
+ /* V4L2 ctrl framwork handler*/
+ struct v4l2_ctrl_handler ctrl_handler;
+
+ /* For core assisted locking */
+ struct mutex mutex;
+};
+#endif
diff --git a/drivers/media/radio/wl128x/fmdrv_common.c b/drivers/media/radio/wl128x/fmdrv_common.c
new file mode 100644
index 00000000000..ecfd9fb167d
--- /dev/null
+++ b/drivers/media/radio/wl128x/fmdrv_common.c
@@ -0,0 +1,1687 @@
+/*
+ * FM Driver for Connectivity chip of Texas Instruments.
+ *
+ * This sub-module of FM driver is common for FM RX and TX
+ * functionality. This module is responsible for:
+ * 1) Forming group of Channel-8 commands to perform particular
+ * functionality (eg., frequency set require more than
+ * one Channel-8 command to be sent to the chip).
+ * 2) Sending each Channel-8 command to the chip and reading
+ * response back over Shared Transport.
+ * 3) Managing TX and RX Queues and Tasklets.
+ * 4) Handling FM Interrupt packet and taking appropriate action.
+ * 5) Loading FM firmware to the chip (common, FM TX, and FM RX
+ * firmware files based on mode selection)
+ *
+ * Copyright (C) 2011 Texas Instruments
+ * Author: Raja Mani <raja_mani@ti.com>
+ * Author: Manjunatha Halli <manjunatha_halli@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/firmware.h>
+#include <linux/delay.h>
+#include "fmdrv.h"
+#include "fmdrv_v4l2.h"
+#include "fmdrv_common.h"
+#include <linux/ti_wilink_st.h>
+#include "fmdrv_rx.h"
+#include "fmdrv_tx.h"
+
+/* Region info */
+static struct region_info region_configs[] = {
+ /* Europe/US */
+ {
+ .chanl_space = FM_CHANNEL_SPACING_200KHZ * FM_FREQ_MUL,
+ .bot_freq = 87500, /* 87.5 MHz */
+ .top_freq = 108000, /* 108 MHz */
+ .fm_band = 0,
+ },
+ /* Japan */
+ {
+ .chanl_space = FM_CHANNEL_SPACING_200KHZ * FM_FREQ_MUL,
+ .bot_freq = 76000, /* 76 MHz */
+ .top_freq = 90000, /* 90 MHz */
+ .fm_band = 1,
+ },
+};
+
+/* Band selection */
+static u8 default_radio_region; /* Europe/US */
+module_param(default_radio_region, byte, 0);
+MODULE_PARM_DESC(default_radio_region, "Region: 0=Europe/US, 1=Japan");
+
+/* RDS buffer blocks */
+static u32 default_rds_buf = 300;
+module_param(default_rds_buf, uint, 0444);
+MODULE_PARM_DESC(rds_buf, "RDS buffer entries");
+
+/* Radio Nr */
+static u32 radio_nr = -1;
+module_param(radio_nr, int, 0444);
+MODULE_PARM_DESC(radio_nr, "Radio Nr");
+
+/* FM irq handlers forward declaration */
+static void fm_irq_send_flag_getcmd(struct fmdev *);
+static void fm_irq_handle_flag_getcmd_resp(struct fmdev *);
+static void fm_irq_handle_hw_malfunction(struct fmdev *);
+static void fm_irq_handle_rds_start(struct fmdev *);
+static void fm_irq_send_rdsdata_getcmd(struct fmdev *);
+static void fm_irq_handle_rdsdata_getcmd_resp(struct fmdev *);
+static void fm_irq_handle_rds_finish(struct fmdev *);
+static void fm_irq_handle_tune_op_ended(struct fmdev *);
+static void fm_irq_handle_power_enb(struct fmdev *);
+static void fm_irq_handle_low_rssi_start(struct fmdev *);
+static void fm_irq_afjump_set_pi(struct fmdev *);
+static void fm_irq_handle_set_pi_resp(struct fmdev *);
+static void fm_irq_afjump_set_pimask(struct fmdev *);
+static void fm_irq_handle_set_pimask_resp(struct fmdev *);
+static void fm_irq_afjump_setfreq(struct fmdev *);
+static void fm_irq_handle_setfreq_resp(struct fmdev *);
+static void fm_irq_afjump_enableint(struct fmdev *);
+static void fm_irq_afjump_enableint_resp(struct fmdev *);
+static void fm_irq_start_afjump(struct fmdev *);
+static void fm_irq_handle_start_afjump_resp(struct fmdev *);
+static void fm_irq_afjump_rd_freq(struct fmdev *);
+static void fm_irq_afjump_rd_freq_resp(struct fmdev *);
+static void fm_irq_handle_low_rssi_finish(struct fmdev *);
+static void fm_irq_send_intmsk_cmd(struct fmdev *);
+static void fm_irq_handle_intmsk_cmd_resp(struct fmdev *);
+
+/*
+ * When FM common module receives interrupt packet, following handlers
+ * will be executed one after another to service the interrupt(s)
+ */
+enum fmc_irq_handler_index {
+ FM_SEND_FLAG_GETCMD_IDX,
+ FM_HANDLE_FLAG_GETCMD_RESP_IDX,
+
+ /* HW malfunction irq handler */
+ FM_HW_MAL_FUNC_IDX,
+
+ /* RDS threshold reached irq handler */
+ FM_RDS_START_IDX,
+ FM_RDS_SEND_RDS_GETCMD_IDX,
+ FM_RDS_HANDLE_RDS_GETCMD_RESP_IDX,
+ FM_RDS_FINISH_IDX,
+
+ /* Tune operation ended irq handler */
+ FM_HW_TUNE_OP_ENDED_IDX,
+
+ /* TX power enable irq handler */
+ FM_HW_POWER_ENB_IDX,
+
+ /* Low RSSI irq handler */
+ FM_LOW_RSSI_START_IDX,
+ FM_AF_JUMP_SETPI_IDX,
+ FM_AF_JUMP_HANDLE_SETPI_RESP_IDX,
+ FM_AF_JUMP_SETPI_MASK_IDX,
+ FM_AF_JUMP_HANDLE_SETPI_MASK_RESP_IDX,
+ FM_AF_JUMP_SET_AF_FREQ_IDX,
+ FM_AF_JUMP_HANDLE_SET_AFFREQ_RESP_IDX,
+ FM_AF_JUMP_ENABLE_INT_IDX,
+ FM_AF_JUMP_ENABLE_INT_RESP_IDX,
+ FM_AF_JUMP_START_AFJUMP_IDX,
+ FM_AF_JUMP_HANDLE_START_AFJUMP_RESP_IDX,
+ FM_AF_JUMP_RD_FREQ_IDX,
+ FM_AF_JUMP_RD_FREQ_RESP_IDX,
+ FM_LOW_RSSI_FINISH_IDX,
+
+ /* Interrupt process post action */
+ FM_SEND_INTMSK_CMD_IDX,
+ FM_HANDLE_INTMSK_CMD_RESP_IDX,
+};
+
+/* FM interrupt handler table */
+static int_handler_prototype int_handler_table[] = {
+ fm_irq_send_flag_getcmd,
+ fm_irq_handle_flag_getcmd_resp,
+ fm_irq_handle_hw_malfunction,
+ fm_irq_handle_rds_start, /* RDS threshold reached irq handler */
+ fm_irq_send_rdsdata_getcmd,
+ fm_irq_handle_rdsdata_getcmd_resp,
+ fm_irq_handle_rds_finish,
+ fm_irq_handle_tune_op_ended,
+ fm_irq_handle_power_enb, /* TX power enable irq handler */
+ fm_irq_handle_low_rssi_start,
+ fm_irq_afjump_set_pi,
+ fm_irq_handle_set_pi_resp,
+ fm_irq_afjump_set_pimask,
+ fm_irq_handle_set_pimask_resp,
+ fm_irq_afjump_setfreq,
+ fm_irq_handle_setfreq_resp,
+ fm_irq_afjump_enableint,
+ fm_irq_afjump_enableint_resp,
+ fm_irq_start_afjump,
+ fm_irq_handle_start_afjump_resp,
+ fm_irq_afjump_rd_freq,
+ fm_irq_afjump_rd_freq_resp,
+ fm_irq_handle_low_rssi_finish,
+ fm_irq_send_intmsk_cmd, /* Interrupt process post action */
+ fm_irq_handle_intmsk_cmd_resp
+};
+
+long (*g_st_write) (struct sk_buff *skb);
+static struct completion wait_for_fmdrv_reg_comp;
+
+static inline void fm_irq_call(struct fmdev *fmdev)
+{
+ fmdev->irq_info.handlers[fmdev->irq_info.stage](fmdev);
+}
+
+/* Continue next function in interrupt handler table */
+static inline void fm_irq_call_stage(struct fmdev *fmdev, u8 stage)
+{
+ fmdev->irq_info.stage = stage;
+ fm_irq_call(fmdev);
+}
+
+static inline void fm_irq_timeout_stage(struct fmdev *fmdev, u8 stage)
+{
+ fmdev->irq_info.stage = stage;
+ mod_timer(&fmdev->irq_info.timer, jiffies + FM_DRV_TX_TIMEOUT);
+}
+
+#ifdef FM_DUMP_TXRX_PKT
+ /* To dump outgoing FM Channel-8 packets */
+inline void dump_tx_skb_data(struct sk_buff *skb)
+{
+ int len, len_org;
+ u8 index;
+ struct fm_cmd_msg_hdr *cmd_hdr;
+
+ cmd_hdr = (struct fm_cmd_msg_hdr *)skb->data;
+ printk(KERN_INFO "<<%shdr:%02x len:%02x opcode:%02x type:%s dlen:%02x",
+ fm_cb(skb)->completion ? " " : "*", cmd_hdr->hdr,
+ cmd_hdr->len, cmd_hdr->op,
+ cmd_hdr->rd_wr ? "RD" : "WR", cmd_hdr->dlen);
+
+ len_org = skb->len - FM_CMD_MSG_HDR_SIZE;
+ if (len_org > 0) {
+ printk("\n data(%d): ", cmd_hdr->dlen);
+ len = min(len_org, 14);
+ for (index = 0; index < len; index++)
+ printk("%x ",
+ skb->data[FM_CMD_MSG_HDR_SIZE + index]);
+ printk("%s", (len_org > 14) ? ".." : "");
+ }
+ printk("\n");
+}
+
+ /* To dump incoming FM Channel-8 packets */
+inline void dump_rx_skb_data(struct sk_buff *skb)
+{
+ int len, len_org;
+ u8 index;
+ struct fm_event_msg_hdr *evt_hdr;
+
+ evt_hdr = (struct fm_event_msg_hdr *)skb->data;
+ printk(KERN_INFO ">> hdr:%02x len:%02x sts:%02x numhci:%02x "
+ "opcode:%02x type:%s dlen:%02x", evt_hdr->hdr, evt_hdr->len,
+ evt_hdr->status, evt_hdr->num_fm_hci_cmds, evt_hdr->op,
+ (evt_hdr->rd_wr) ? "RD" : "WR", evt_hdr->dlen);
+
+ len_org = skb->len - FM_EVT_MSG_HDR_SIZE;
+ if (len_org > 0) {
+ printk("\n data(%d): ", evt_hdr->dlen);
+ len = min(len_org, 14);
+ for (index = 0; index < len; index++)
+ printk("%x ",
+ skb->data[FM_EVT_MSG_HDR_SIZE + index]);
+ printk("%s", (len_org > 14) ? ".." : "");
+ }
+ printk("\n");
+}
+#endif
+
+void fmc_update_region_info(struct fmdev *fmdev, u8 region_to_set)
+{
+ fmdev->rx.region = region_configs[region_to_set];
+}
+
+/*
+ * FM common sub-module will schedule this tasklet whenever it receives
+ * FM packet from ST driver.
+ */
+static void recv_tasklet(unsigned long arg)
+{
+ struct fmdev *fmdev;
+ struct fm_irq *irq_info;
+ struct fm_event_msg_hdr *evt_hdr;
+ struct sk_buff *skb;
+ u8 num_fm_hci_cmds;
+ unsigned long flags;
+
+ fmdev = (struct fmdev *)arg;
+ irq_info = &fmdev->irq_info;
+ /* Process all packets in the RX queue */
+ while ((skb = skb_dequeue(&fmdev->rx_q))) {
+ if (skb->len < sizeof(struct fm_event_msg_hdr)) {
+ fmerr("skb(%p) has only %d bytes, "
+ "at least need %zu bytes to decode\n", skb,
+ skb->len, sizeof(struct fm_event_msg_hdr));
+ kfree_skb(skb);
+ continue;
+ }
+
+ evt_hdr = (void *)skb->data;
+ num_fm_hci_cmds = evt_hdr->num_fm_hci_cmds;
+
+ /* FM interrupt packet? */
+ if (evt_hdr->op == FM_INTERRUPT) {
+ /* FM interrupt handler started already? */
+ if (!test_bit(FM_INTTASK_RUNNING, &fmdev->flag)) {
+ set_bit(FM_INTTASK_RUNNING, &fmdev->flag);
+ if (irq_info->stage != 0) {
+ fmerr("Inval stage resetting to zero\n");
+ irq_info->stage = 0;
+ }
+
+ /*
+ * Execute first function in interrupt handler
+ * table.
+ */
+ irq_info->handlers[irq_info->stage](fmdev);
+ } else {
+ set_bit(FM_INTTASK_SCHEDULE_PENDING, &fmdev->flag);
+ }
+ kfree_skb(skb);
+ }
+ /* Anyone waiting for this with completion handler? */
+ else if (evt_hdr->op == fmdev->pre_op && fmdev->resp_comp != NULL) {
+
+ spin_lock_irqsave(&fmdev->resp_skb_lock, flags);
+ fmdev->resp_skb = skb;
+ spin_unlock_irqrestore(&fmdev->resp_skb_lock, flags);
+ complete(fmdev->resp_comp);
+
+ fmdev->resp_comp = NULL;
+ atomic_set(&fmdev->tx_cnt, 1);
+ }
+ /* Is this for interrupt handler? */
+ else if (evt_hdr->op == fmdev->pre_op && fmdev->resp_comp == NULL) {
+ if (fmdev->resp_skb != NULL)
+ fmerr("Response SKB ptr not NULL\n");
+
+ spin_lock_irqsave(&fmdev->resp_skb_lock, flags);
+ fmdev->resp_skb = skb;
+ spin_unlock_irqrestore(&fmdev->resp_skb_lock, flags);
+
+ /* Execute interrupt handler where state index points */
+ irq_info->handlers[irq_info->stage](fmdev);
+
+ kfree_skb(skb);
+ atomic_set(&fmdev->tx_cnt, 1);
+ } else {
+ fmerr("Nobody claimed SKB(%p),purging\n", skb);
+ }
+
+ /*
+ * Check flow control field. If Num_FM_HCI_Commands field is
+ * not zero, schedule FM TX tasklet.
+ */
+ if (num_fm_hci_cmds && atomic_read(&fmdev->tx_cnt))
+ if (!skb_queue_empty(&fmdev->tx_q))
+ tasklet_schedule(&fmdev->tx_task);
+ }
+}
+
+/* FM send tasklet: is scheduled when FM packet has to be sent to chip */
+static void send_tasklet(unsigned long arg)
+{
+ struct fmdev *fmdev;
+ struct sk_buff *skb;
+ int len;
+
+ fmdev = (struct fmdev *)arg;
+
+ if (!atomic_read(&fmdev->tx_cnt))
+ return;
+
+ /* Check, is there any timeout happenned to last transmitted packet */
+ if ((jiffies - fmdev->last_tx_jiffies) > FM_DRV_TX_TIMEOUT) {
+ fmerr("TX timeout occurred\n");
+ atomic_set(&fmdev->tx_cnt, 1);
+ }
+
+ /* Send queued FM TX packets */
+ skb = skb_dequeue(&fmdev->tx_q);
+ if (!skb)
+ return;
+
+ atomic_dec(&fmdev->tx_cnt);
+ fmdev->pre_op = fm_cb(skb)->fm_op;
+
+ if (fmdev->resp_comp != NULL)
+ fmerr("Response completion handler is not NULL\n");
+
+ fmdev->resp_comp = fm_cb(skb)->completion;
+
+ /* Write FM packet to ST driver */
+ len = g_st_write(skb);
+ if (len < 0) {
+ kfree_skb(skb);
+ fmdev->resp_comp = NULL;
+ fmerr("TX tasklet failed to send skb(%p)\n", skb);
+ atomic_set(&fmdev->tx_cnt, 1);
+ } else {
+ fmdev->last_tx_jiffies = jiffies;
+ }
+}
+
+/*
+ * Queues FM Channel-8 packet to FM TX queue and schedules FM TX tasklet for
+ * transmission
+ */
+static u32 fm_send_cmd(struct fmdev *fmdev, u8 fm_op, u16 type, void *payload,
+ int payload_len, struct completion *wait_completion)
+{
+ struct sk_buff *skb;
+ struct fm_cmd_msg_hdr *hdr;
+ int size;
+
+ if (fm_op >= FM_INTERRUPT) {
+ fmerr("Invalid fm opcode - %d\n", fm_op);
+ return -EINVAL;
+ }
+ if (test_bit(FM_FW_DW_INPROGRESS, &fmdev->flag) && payload == NULL) {
+ fmerr("Payload data is NULL during fw download\n");
+ return -EINVAL;
+ }
+ if (!test_bit(FM_FW_DW_INPROGRESS, &fmdev->flag))
+ size =
+ FM_CMD_MSG_HDR_SIZE + ((payload == NULL) ? 0 : payload_len);
+ else
+ size = payload_len;
+
+ skb = alloc_skb(size, GFP_ATOMIC);
+ if (!skb) {
+ fmerr("No memory to create new SKB\n");
+ return -ENOMEM;
+ }
+ /*
+ * Don't fill FM header info for the commands which come from
+ * FM firmware file.
+ */
+ if (!test_bit(FM_FW_DW_INPROGRESS, &fmdev->flag) ||
+ test_bit(FM_INTTASK_RUNNING, &fmdev->flag)) {
+ /* Fill command header info */
+ hdr = (struct fm_cmd_msg_hdr *)skb_put(skb, FM_CMD_MSG_HDR_SIZE);
+ hdr->hdr = FM_PKT_LOGICAL_CHAN_NUMBER; /* 0x08 */
+
+ /* 3 (fm_opcode,rd_wr,dlen) + payload len) */
+ hdr->len = ((payload == NULL) ? 0 : payload_len) + 3;
+
+ /* FM opcode */
+ hdr->op = fm_op;
+
+ /* read/write type */
+ hdr->rd_wr = type;
+ hdr->dlen = payload_len;
+ fm_cb(skb)->fm_op = fm_op;
+
+ /*
+ * If firmware download has finished and the command is
+ * not a read command then payload is != NULL - a write
+ * command with u16 payload - convert to be16
+ */
+ if (payload != NULL)
+ *(u16 *)payload = cpu_to_be16(*(u16 *)payload);
+
+ } else if (payload != NULL) {
+ fm_cb(skb)->fm_op = *((u8 *)payload + 2);
+ }
+ if (payload != NULL)
+ memcpy(skb_put(skb, payload_len), payload, payload_len);
+
+ fm_cb(skb)->completion = wait_completion;
+ skb_queue_tail(&fmdev->tx_q, skb);
+ tasklet_schedule(&fmdev->tx_task);
+
+ return 0;
+}
+
+/* Sends FM Channel-8 command to the chip and waits for the response */
+u32 fmc_send_cmd(struct fmdev *fmdev, u8 fm_op, u16 type, void *payload,
+ unsigned int payload_len, void *response, int *response_len)
+{
+ struct sk_buff *skb;
+ struct fm_event_msg_hdr *evt_hdr;
+ unsigned long flags;
+ u32 ret;
+
+ init_completion(&fmdev->maintask_comp);
+ ret = fm_send_cmd(fmdev, fm_op, type, payload, payload_len,
+ &fmdev->maintask_comp);
+ if (ret)
+ return ret;
+
+ ret = wait_for_completion_timeout(&fmdev->maintask_comp, FM_DRV_TX_TIMEOUT);
+ if (!ret) {
+ fmerr("Timeout(%d sec),didn't get reg"
+ "completion signal from RX tasklet\n",
+ jiffies_to_msecs(FM_DRV_TX_TIMEOUT) / 1000);
+ return -ETIMEDOUT;
+ }
+ if (!fmdev->resp_skb) {
+ fmerr("Reponse SKB is missing\n");
+ return -EFAULT;
+ }
+ spin_lock_irqsave(&fmdev->resp_skb_lock, flags);
+ skb = fmdev->resp_skb;
+ fmdev->resp_skb = NULL;
+ spin_unlock_irqrestore(&fmdev->resp_skb_lock, flags);
+
+ evt_hdr = (void *)skb->data;
+ if (evt_hdr->status != 0) {
+ fmerr("Received event pkt status(%d) is not zero\n",
+ evt_hdr->status);
+ kfree_skb(skb);
+ return -EIO;
+ }
+ /* Send response data to caller */
+ if (response != NULL && response_len != NULL && evt_hdr->dlen) {
+ /* Skip header info and copy only response data */
+ skb_pull(skb, sizeof(struct fm_event_msg_hdr));
+ memcpy(response, skb->data, evt_hdr->dlen);
+ *response_len = evt_hdr->dlen;
+ } else if (response_len != NULL && evt_hdr->dlen == 0) {
+ *response_len = 0;
+ }
+ kfree_skb(skb);
+
+ return 0;
+}
+
+/* --- Helper functions used in FM interrupt handlers ---*/
+static inline u32 check_cmdresp_status(struct fmdev *fmdev,
+ struct sk_buff **skb)
+{
+ struct fm_event_msg_hdr *fm_evt_hdr;
+ unsigned long flags;
+
+ del_timer(&fmdev->irq_info.timer);
+
+ spin_lock_irqsave(&fmdev->resp_skb_lock, flags);
+ *skb = fmdev->resp_skb;
+ fmdev->resp_skb = NULL;
+ spin_unlock_irqrestore(&fmdev->resp_skb_lock, flags);
+
+ fm_evt_hdr = (void *)(*skb)->data;
+ if (fm_evt_hdr->status != 0) {
+ fmerr("irq: opcode %x response status is not zero "
+ "Initiating irq recovery process\n",
+ fm_evt_hdr->op);
+
+ mod_timer(&fmdev->irq_info.timer, jiffies + FM_DRV_TX_TIMEOUT);
+ return -1;
+ }
+
+ return 0;
+}
+
+static inline void fm_irq_common_cmd_resp_helper(struct fmdev *fmdev, u8 stage)
+{
+ struct sk_buff *skb;
+
+ if (!check_cmdresp_status(fmdev, &skb))
+ fm_irq_call_stage(fmdev, stage);
+}
+
+/*
+ * Interrupt process timeout handler.
+ * One of the irq handler did not get proper response from the chip. So take
+ * recovery action here. FM interrupts are disabled in the beginning of
+ * interrupt process. Therefore reset stage index to re-enable default
+ * interrupts. So that next interrupt will be processed as usual.
+ */
+static void int_timeout_handler(unsigned long data)
+{
+ struct fmdev *fmdev;
+ struct fm_irq *fmirq;
+
+ fmdbg("irq: timeout,trying to re-enable fm interrupts\n");
+ fmdev = (struct fmdev *)data;
+ fmirq = &fmdev->irq_info;
+ fmirq->retry++;
+
+ if (fmirq->retry > FM_IRQ_TIMEOUT_RETRY_MAX) {
+ /* Stop recovery action (interrupt reenable process) and
+ * reset stage index & retry count values */
+ fmirq->stage = 0;
+ fmirq->retry = 0;
+ fmerr("Recovery action failed during"
+ "irq processing, max retry reached\n");
+ return;
+ }
+ fm_irq_call_stage(fmdev, FM_SEND_INTMSK_CMD_IDX);
+}
+
+/* --------- FM interrupt handlers ------------*/
+static void fm_irq_send_flag_getcmd(struct fmdev *fmdev)
+{
+ u16 flag;
+
+ /* Send FLAG_GET command , to know the source of interrupt */
+ if (!fm_send_cmd(fmdev, FLAG_GET, REG_RD, NULL, sizeof(flag), NULL))
+ fm_irq_timeout_stage(fmdev, FM_HANDLE_FLAG_GETCMD_RESP_IDX);
+}
+
+static void fm_irq_handle_flag_getcmd_resp(struct fmdev *fmdev)
+{
+ struct sk_buff *skb;
+ struct fm_event_msg_hdr *fm_evt_hdr;
+
+ if (check_cmdresp_status(fmdev, &skb))
+ return;
+
+ fm_evt_hdr = (void *)skb->data;
+
+ /* Skip header info and copy only response data */
+ skb_pull(skb, sizeof(struct fm_event_msg_hdr));
+ memcpy(&fmdev->irq_info.flag, skb->data, fm_evt_hdr->dlen);
+
+ fmdev->irq_info.flag = be16_to_cpu(fmdev->irq_info.flag);
+ fmdbg("irq: flag register(0x%x)\n", fmdev->irq_info.flag);
+
+ /* Continue next function in interrupt handler table */
+ fm_irq_call_stage(fmdev, FM_HW_MAL_FUNC_IDX);
+}
+
+static void fm_irq_handle_hw_malfunction(struct fmdev *fmdev)
+{
+ if (fmdev->irq_info.flag & FM_MAL_EVENT & fmdev->irq_info.mask)
+ fmerr("irq: HW MAL int received - do nothing\n");
+
+ /* Continue next function in interrupt handler table */
+ fm_irq_call_stage(fmdev, FM_RDS_START_IDX);
+}
+
+static void fm_irq_handle_rds_start(struct fmdev *fmdev)
+{
+ if (fmdev->irq_info.flag & FM_RDS_EVENT & fmdev->irq_info.mask) {
+ fmdbg("irq: rds threshold reached\n");
+ fmdev->irq_info.stage = FM_RDS_SEND_RDS_GETCMD_IDX;
+ } else {
+ /* Continue next function in interrupt handler table */
+ fmdev->irq_info.stage = FM_HW_TUNE_OP_ENDED_IDX;
+ }
+
+ fm_irq_call(fmdev);
+}
+
+static void fm_irq_send_rdsdata_getcmd(struct fmdev *fmdev)
+{
+ /* Send the command to read RDS data from the chip */
+ if (!fm_send_cmd(fmdev, RDS_DATA_GET, REG_RD, NULL,
+ (FM_RX_RDS_FIFO_THRESHOLD * 3), NULL))
+ fm_irq_timeout_stage(fmdev, FM_RDS_HANDLE_RDS_GETCMD_RESP_IDX);
+}
+
+/* Keeps track of current RX channel AF (Alternate Frequency) */
+static void fm_rx_update_af_cache(struct fmdev *fmdev, u8 af)
+{
+ struct tuned_station_info *stat_info = &fmdev->rx.stat_info;
+ u8 reg_idx = fmdev->rx.region.fm_band;
+ u8 index;
+ u32 freq;
+
+ /* First AF indicates the number of AF follows. Reset the list */
+ if ((af >= FM_RDS_1_AF_FOLLOWS) && (af <= FM_RDS_25_AF_FOLLOWS)) {
+ fmdev->rx.stat_info.af_list_max = (af - FM_RDS_1_AF_FOLLOWS + 1);
+ fmdev->rx.stat_info.afcache_size = 0;
+ fmdbg("No of expected AF : %d\n", fmdev->rx.stat_info.af_list_max);
+ return;
+ }
+
+ if (af < FM_RDS_MIN_AF)
+ return;
+ if (reg_idx == FM_BAND_EUROPE_US && af > FM_RDS_MAX_AF)
+ return;
+ if (reg_idx == FM_BAND_JAPAN && af > FM_RDS_MAX_AF_JAPAN)
+ return;
+
+ freq = fmdev->rx.region.bot_freq + (af * 100);
+ if (freq == fmdev->rx.freq) {
+ fmdbg("Current freq(%d) is matching with received AF(%d)\n",
+ fmdev->rx.freq, freq);
+ return;
+ }
+ /* Do check in AF cache */
+ for (index = 0; index < stat_info->afcache_size; index++) {
+ if (stat_info->af_cache[index] == freq)
+ break;
+ }
+ /* Reached the limit of the list - ignore the next AF */
+ if (index == stat_info->af_list_max) {
+ fmdbg("AF cache is full\n");
+ return;
+ }
+ /*
+ * If we reached the end of the list then this AF is not
+ * in the list - add it.
+ */
+ if (index == stat_info->afcache_size) {
+ fmdbg("Storing AF %d to cache index %d\n", freq, index);
+ stat_info->af_cache[index] = freq;
+ stat_info->afcache_size++;
+ }
+}
+
+/*
+ * Converts RDS buffer data from big endian format
+ * to little endian format.
+ */
+static void fm_rdsparse_swapbytes(struct fmdev *fmdev,
+ struct fm_rdsdata_format *rds_format)
+{
+ u8 byte1;
+ u8 index = 0;
+ u8 *rds_buff;
+
+ /*
+ * Since in Orca the 2 RDS Data bytes are in little endian and
+ * in Dolphin they are in big endian, the parsing of the RDS data
+ * is chip dependent
+ */
+ if (fmdev->asci_id != 0x6350) {
+ rds_buff = &rds_format->data.groupdatabuff.buff[0];
+ while (index + 1 < FM_RX_RDS_INFO_FIELD_MAX) {
+ byte1 = rds_buff[index];
+ rds_buff[index] = rds_buff[index + 1];
+ rds_buff[index + 1] = byte1;
+ index += 2;
+ }
+ }
+}
+
+static void fm_irq_handle_rdsdata_getcmd_resp(struct fmdev *fmdev)
+{
+ struct sk_buff *skb;
+ struct fm_rdsdata_format rds_fmt;
+ struct fm_rds *rds = &fmdev->rx.rds;
+ unsigned long group_idx, flags;
+ u8 *rds_data, meta_data, tmpbuf[3];
+ u8 type, blk_idx;
+ u16 cur_picode;
+ u32 rds_len;
+
+ if (check_cmdresp_status(fmdev, &skb))
+ return;
+
+ /* Skip header info */
+ skb_pull(skb, sizeof(struct fm_event_msg_hdr));
+ rds_data = skb->data;
+ rds_len = skb->len;
+
+ /* Parse the RDS data */
+ while (rds_len >= FM_RDS_BLK_SIZE) {
+ meta_data = rds_data[2];
+ /* Get the type: 0=A, 1=B, 2=C, 3=C', 4=D, 5=E */
+ type = (meta_data & 0x07);
+
+ /* Transform the blk type into index sequence (0, 1, 2, 3, 4) */
+ blk_idx = (type <= FM_RDS_BLOCK_C ? type : (type - 1));
+ fmdbg("Block index:%d(%s)\n", blk_idx,
+ (meta_data & FM_RDS_STATUS_ERR_MASK) ? "Bad" : "Ok");
+
+ if ((meta_data & FM_RDS_STATUS_ERR_MASK) != 0)
+ break;
+
+ if (blk_idx < FM_RDS_BLK_IDX_A || blk_idx > FM_RDS_BLK_IDX_D) {
+ fmdbg("Block sequence mismatch\n");
+ rds->last_blk_idx = -1;
+ break;
+ }
+
+ /* Skip checkword (control) byte and copy only data byte */
+ memcpy(&rds_fmt.data.groupdatabuff.
+ buff[blk_idx * (FM_RDS_BLK_SIZE - 1)],
+ rds_data, (FM_RDS_BLK_SIZE - 1));
+
+ rds->last_blk_idx = blk_idx;
+
+ /* If completed a whole group then handle it */
+ if (blk_idx == FM_RDS_BLK_IDX_D) {
+ fmdbg("Good block received\n");
+ fm_rdsparse_swapbytes(fmdev, &rds_fmt);
+
+ /*
+ * Extract PI code and store in local cache.
+ * We need this during AF switch processing.
+ */
+ cur_picode = be16_to_cpu(rds_fmt.data.groupgeneral.pidata);
+ if (fmdev->rx.stat_info.picode != cur_picode)
+ fmdev->rx.stat_info.picode = cur_picode;
+
+ fmdbg("picode:%d\n", cur_picode);
+
+ group_idx = (rds_fmt.data.groupgeneral.blk_b[0] >> 3);
+ fmdbg("(fmdrv):Group:%ld%s\n", group_idx/2,
+ (group_idx % 2) ? "B" : "A");
+
+ group_idx = 1 << (rds_fmt.data.groupgeneral.blk_b[0] >> 3);
+ if (group_idx == FM_RDS_GROUP_TYPE_MASK_0A) {
+ fm_rx_update_af_cache(fmdev, rds_fmt.data.group0A.af[0]);
+ fm_rx_update_af_cache(fmdev, rds_fmt.data.group0A.af[1]);
+ }
+ }
+ rds_len -= FM_RDS_BLK_SIZE;
+ rds_data += FM_RDS_BLK_SIZE;
+ }
+
+ /* Copy raw rds data to internal rds buffer */
+ rds_data = skb->data;
+ rds_len = skb->len;
+
+ spin_lock_irqsave(&fmdev->rds_buff_lock, flags);
+ while (rds_len > 0) {
+ /*
+ * Fill RDS buffer as per V4L2 specification.
+ * Store control byte
+ */
+ type = (rds_data[2] & 0x07);
+ blk_idx = (type <= FM_RDS_BLOCK_C ? type : (type - 1));
+ tmpbuf[2] = blk_idx; /* Offset name */
+ tmpbuf[2] |= blk_idx << 3; /* Received offset */
+
+ /* Store data byte */
+ tmpbuf[0] = rds_data[0];
+ tmpbuf[1] = rds_data[1];
+
+ memcpy(&rds->buff[rds->wr_idx], &tmpbuf, FM_RDS_BLK_SIZE);
+ rds->wr_idx = (rds->wr_idx + FM_RDS_BLK_SIZE) % rds->buf_size;
+
+ /* Check for overflow & start over */
+ if (rds->wr_idx == rds->rd_idx) {
+ fmdbg("RDS buffer overflow\n");
+ rds->wr_idx = 0;
+ rds->rd_idx = 0;
+ break;
+ }
+ rds_len -= FM_RDS_BLK_SIZE;
+ rds_data += FM_RDS_BLK_SIZE;
+ }
+ spin_unlock_irqrestore(&fmdev->rds_buff_lock, flags);
+
+ /* Wakeup read queue */
+ if (rds->wr_idx != rds->rd_idx)
+ wake_up_interruptible(&rds->read_queue);
+
+ fm_irq_call_stage(fmdev, FM_RDS_FINISH_IDX);
+}
+
+static void fm_irq_handle_rds_finish(struct fmdev *fmdev)
+{
+ fm_irq_call_stage(fmdev, FM_HW_TUNE_OP_ENDED_IDX);
+}
+
+static void fm_irq_handle_tune_op_ended(struct fmdev *fmdev)
+{
+ if (fmdev->irq_info.flag & (FM_FR_EVENT | FM_BL_EVENT) & fmdev->
+ irq_info.mask) {
+ fmdbg("irq: tune ended/bandlimit reached\n");
+ if (test_and_clear_bit(FM_AF_SWITCH_INPROGRESS, &fmdev->flag)) {
+ fmdev->irq_info.stage = FM_AF_JUMP_RD_FREQ_IDX;
+ } else {
+ complete(&fmdev->maintask_comp);
+ fmdev->irq_info.stage = FM_HW_POWER_ENB_IDX;
+ }
+ } else
+ fmdev->irq_info.stage = FM_HW_POWER_ENB_IDX;
+
+ fm_irq_call(fmdev);
+}
+
+static void fm_irq_handle_power_enb(struct fmdev *fmdev)
+{
+ if (fmdev->irq_info.flag & FM_POW_ENB_EVENT) {
+ fmdbg("irq: Power Enabled/Disabled\n");
+ complete(&fmdev->maintask_comp);
+ }
+
+ fm_irq_call_stage(fmdev, FM_LOW_RSSI_START_IDX);
+}
+
+static void fm_irq_handle_low_rssi_start(struct fmdev *fmdev)
+{
+ if ((fmdev->rx.af_mode == FM_RX_RDS_AF_SWITCH_MODE_ON) &&
+ (fmdev->irq_info.flag & FM_LEV_EVENT & fmdev->irq_info.mask) &&
+ (fmdev->rx.freq != FM_UNDEFINED_FREQ) &&
+ (fmdev->rx.stat_info.afcache_size != 0)) {
+ fmdbg("irq: rssi level has fallen below threshold level\n");
+
+ /* Disable further low RSSI interrupts */
+ fmdev->irq_info.mask &= ~FM_LEV_EVENT;
+
+ fmdev->rx.afjump_idx = 0;
+ fmdev->rx.freq_before_jump = fmdev->rx.freq;
+ fmdev->irq_info.stage = FM_AF_JUMP_SETPI_IDX;
+ } else {
+ /* Continue next function in interrupt handler table */
+ fmdev->irq_info.stage = FM_SEND_INTMSK_CMD_IDX;
+ }
+
+ fm_irq_call(fmdev);
+}
+
+static void fm_irq_afjump_set_pi(struct fmdev *fmdev)
+{
+ u16 payload;
+
+ /* Set PI code - must be updated if the AF list is not empty */
+ payload = fmdev->rx.stat_info.picode;
+ if (!fm_send_cmd(fmdev, RDS_PI_SET, REG_WR, &payload, sizeof(payload), NULL))
+ fm_irq_timeout_stage(fmdev, FM_AF_JUMP_HANDLE_SETPI_RESP_IDX);
+}
+
+static void fm_irq_handle_set_pi_resp(struct fmdev *fmdev)
+{
+ fm_irq_common_cmd_resp_helper(fmdev, FM_AF_JUMP_SETPI_MASK_IDX);
+}
+
+/*
+ * Set PI mask.
+ * 0xFFFF = Enable PI code matching
+ * 0x0000 = Disable PI code matching
+ */
+static void fm_irq_afjump_set_pimask(struct fmdev *fmdev)
+{
+ u16 payload;
+
+ payload = 0x0000;
+ if (!fm_send_cmd(fmdev, RDS_PI_MASK_SET, REG_WR, &payload, sizeof(payload), NULL))
+ fm_irq_timeout_stage(fmdev, FM_AF_JUMP_HANDLE_SETPI_MASK_RESP_IDX);
+}
+
+static void fm_irq_handle_set_pimask_resp(struct fmdev *fmdev)
+{
+ fm_irq_common_cmd_resp_helper(fmdev, FM_AF_JUMP_SET_AF_FREQ_IDX);
+}
+
+static void fm_irq_afjump_setfreq(struct fmdev *fmdev)
+{
+ u16 frq_index;
+ u16 payload;
+
+ fmdbg("Swtich to %d KHz\n", fmdev->rx.stat_info.af_cache[fmdev->rx.afjump_idx]);
+ frq_index = (fmdev->rx.stat_info.af_cache[fmdev->rx.afjump_idx] -
+ fmdev->rx.region.bot_freq) / FM_FREQ_MUL;
+
+ payload = frq_index;
+ if (!fm_send_cmd(fmdev, AF_FREQ_SET, REG_WR, &payload, sizeof(payload), NULL))
+ fm_irq_timeout_stage(fmdev, FM_AF_JUMP_HANDLE_SET_AFFREQ_RESP_IDX);
+}
+
+static void fm_irq_handle_setfreq_resp(struct fmdev *fmdev)
+{
+ fm_irq_common_cmd_resp_helper(fmdev, FM_AF_JUMP_ENABLE_INT_IDX);
+}
+
+static void fm_irq_afjump_enableint(struct fmdev *fmdev)
+{
+ u16 payload;
+
+ /* Enable FR (tuning operation ended) interrupt */
+ payload = FM_FR_EVENT;
+ if (!fm_send_cmd(fmdev, INT_MASK_SET, REG_WR, &payload, sizeof(payload), NULL))
+ fm_irq_timeout_stage(fmdev, FM_AF_JUMP_ENABLE_INT_RESP_IDX);
+}
+
+static void fm_irq_afjump_enableint_resp(struct fmdev *fmdev)
+{
+ fm_irq_common_cmd_resp_helper(fmdev, FM_AF_JUMP_START_AFJUMP_IDX);
+}
+
+static void fm_irq_start_afjump(struct fmdev *fmdev)
+{
+ u16 payload;
+
+ payload = FM_TUNER_AF_JUMP_MODE;
+ if (!fm_send_cmd(fmdev, TUNER_MODE_SET, REG_WR, &payload,
+ sizeof(payload), NULL))
+ fm_irq_timeout_stage(fmdev, FM_AF_JUMP_HANDLE_START_AFJUMP_RESP_IDX);
+}
+
+static void fm_irq_handle_start_afjump_resp(struct fmdev *fmdev)
+{
+ struct sk_buff *skb;
+
+ if (check_cmdresp_status(fmdev, &skb))
+ return;
+
+ fmdev->irq_info.stage = FM_SEND_FLAG_GETCMD_IDX;
+ set_bit(FM_AF_SWITCH_INPROGRESS, &fmdev->flag);
+ clear_bit(FM_INTTASK_RUNNING, &fmdev->flag);
+}
+
+static void fm_irq_afjump_rd_freq(struct fmdev *fmdev)
+{
+ u16 payload;
+
+ if (!fm_send_cmd(fmdev, FREQ_SET, REG_RD, NULL, sizeof(payload), NULL))
+ fm_irq_timeout_stage(fmdev, FM_AF_JUMP_RD_FREQ_RESP_IDX);
+}
+
+static void fm_irq_afjump_rd_freq_resp(struct fmdev *fmdev)
+{
+ struct sk_buff *skb;
+ u16 read_freq;
+ u32 curr_freq, jumped_freq;
+
+ if (check_cmdresp_status(fmdev, &skb))
+ return;
+
+ /* Skip header info and copy only response data */
+ skb_pull(skb, sizeof(struct fm_event_msg_hdr));
+ memcpy(&read_freq, skb->data, sizeof(read_freq));
+ read_freq = be16_to_cpu(read_freq);
+ curr_freq = fmdev->rx.region.bot_freq + ((u32)read_freq * FM_FREQ_MUL);
+
+ jumped_freq = fmdev->rx.stat_info.af_cache[fmdev->rx.afjump_idx];
+
+ /* If the frequency was changed the jump succeeded */
+ if ((curr_freq != fmdev->rx.freq_before_jump) && (curr_freq == jumped_freq)) {
+ fmdbg("Successfully switched to alternate freq %d\n", curr_freq);
+ fmdev->rx.freq = curr_freq;
+ fm_rx_reset_rds_cache(fmdev);
+
+ /* AF feature is on, enable low level RSSI interrupt */
+ if (fmdev->rx.af_mode == FM_RX_RDS_AF_SWITCH_MODE_ON)
+ fmdev->irq_info.mask |= FM_LEV_EVENT;
+
+ fmdev->irq_info.stage = FM_LOW_RSSI_FINISH_IDX;
+ } else { /* jump to the next freq in the AF list */
+ fmdev->rx.afjump_idx++;
+
+ /* If we reached the end of the list - stop searching */
+ if (fmdev->rx.afjump_idx >= fmdev->rx.stat_info.afcache_size) {
+ fmdbg("AF switch processing failed\n");
+ fmdev->irq_info.stage = FM_LOW_RSSI_FINISH_IDX;
+ } else { /* AF List is not over - try next one */
+
+ fmdbg("Trying next freq in AF cache\n");
+ fmdev->irq_info.stage = FM_AF_JUMP_SETPI_IDX;
+ }
+ }
+ fm_irq_call(fmdev);
+}
+
+static void fm_irq_handle_low_rssi_finish(struct fmdev *fmdev)
+{
+ fm_irq_call_stage(fmdev, FM_SEND_INTMSK_CMD_IDX);
+}
+
+static void fm_irq_send_intmsk_cmd(struct fmdev *fmdev)
+{
+ u16 payload;
+
+ /* Re-enable FM interrupts */
+ payload = fmdev->irq_info.mask;
+
+ if (!fm_send_cmd(fmdev, INT_MASK_SET, REG_WR, &payload,
+ sizeof(payload), NULL))
+ fm_irq_timeout_stage(fmdev, FM_HANDLE_INTMSK_CMD_RESP_IDX);
+}
+
+static void fm_irq_handle_intmsk_cmd_resp(struct fmdev *fmdev)
+{
+ struct sk_buff *skb;
+
+ if (check_cmdresp_status(fmdev, &skb))
+ return;
+ /*
+ * This is last function in interrupt table to be executed.
+ * So, reset stage index to 0.
+ */
+ fmdev->irq_info.stage = FM_SEND_FLAG_GETCMD_IDX;
+
+ /* Start processing any pending interrupt */
+ if (test_and_clear_bit(FM_INTTASK_SCHEDULE_PENDING, &fmdev->flag))
+ fmdev->irq_info.handlers[fmdev->irq_info.stage](fmdev);
+ else
+ clear_bit(FM_INTTASK_RUNNING, &fmdev->flag);
+}
+
+/* Returns availability of RDS data in internel buffer */
+u32 fmc_is_rds_data_available(struct fmdev *fmdev, struct file *file,
+ struct poll_table_struct *pts)
+{
+ poll_wait(file, &fmdev->rx.rds.read_queue, pts);
+ if (fmdev->rx.rds.rd_idx != fmdev->rx.rds.wr_idx)
+ return 0;
+
+ return -EAGAIN;
+}
+
+/* Copies RDS data from internal buffer to user buffer */
+u32 fmc_transfer_rds_from_internal_buff(struct fmdev *fmdev, struct file *file,
+ u8 __user *buf, size_t count)
+{
+ u32 block_count;
+ unsigned long flags;
+ int ret;
+
+ if (fmdev->rx.rds.wr_idx == fmdev->rx.rds.rd_idx) {
+ if (file->f_flags & O_NONBLOCK)
+ return -EWOULDBLOCK;
+
+ ret = wait_event_interruptible(fmdev->rx.rds.read_queue,
+ (fmdev->rx.rds.wr_idx != fmdev->rx.rds.rd_idx));
+ if (ret)
+ return -EINTR;
+ }
+
+ /* Calculate block count from byte count */
+ count /= 3;
+ block_count = 0;
+ ret = 0;
+
+ spin_lock_irqsave(&fmdev->rds_buff_lock, flags);
+
+ while (block_count < count) {
+ if (fmdev->rx.rds.wr_idx == fmdev->rx.rds.rd_idx)
+ break;
+
+ if (copy_to_user(buf, &fmdev->rx.rds.buff[fmdev->rx.rds.rd_idx],
+ FM_RDS_BLK_SIZE))
+ break;
+
+ fmdev->rx.rds.rd_idx += FM_RDS_BLK_SIZE;
+ if (fmdev->rx.rds.rd_idx >= fmdev->rx.rds.buf_size)
+ fmdev->rx.rds.rd_idx = 0;
+
+ block_count++;
+ buf += FM_RDS_BLK_SIZE;
+ ret += FM_RDS_BLK_SIZE;
+ }
+ spin_unlock_irqrestore(&fmdev->rds_buff_lock, flags);
+ return ret;
+}
+
+u32 fmc_set_freq(struct fmdev *fmdev, u32 freq_to_set)
+{
+ switch (fmdev->curr_fmmode) {
+ case FM_MODE_RX:
+ return fm_rx_set_freq(fmdev, freq_to_set);
+
+ case FM_MODE_TX:
+ return fm_tx_set_freq(fmdev, freq_to_set);
+
+ default:
+ return -EINVAL;
+ }
+}
+
+u32 fmc_get_freq(struct fmdev *fmdev, u32 *cur_tuned_frq)
+{
+ if (fmdev->rx.freq == FM_UNDEFINED_FREQ) {
+ fmerr("RX frequency is not set\n");
+ return -EPERM;
+ }
+ if (cur_tuned_frq == NULL) {
+ fmerr("Invalid memory\n");
+ return -ENOMEM;
+ }
+
+ switch (fmdev->curr_fmmode) {
+ case FM_MODE_RX:
+ *cur_tuned_frq = fmdev->rx.freq;
+ return 0;
+
+ case FM_MODE_TX:
+ *cur_tuned_frq = 0; /* TODO : Change this later */
+ return 0;
+
+ default:
+ return -EINVAL;
+ }
+
+}
+
+u32 fmc_set_region(struct fmdev *fmdev, u8 region_to_set)
+{
+ switch (fmdev->curr_fmmode) {
+ case FM_MODE_RX:
+ return fm_rx_set_region(fmdev, region_to_set);
+
+ case FM_MODE_TX:
+ return fm_tx_set_region(fmdev, region_to_set);
+
+ default:
+ return -EINVAL;
+ }
+}
+
+u32 fmc_set_mute_mode(struct fmdev *fmdev, u8 mute_mode_toset)
+{
+ switch (fmdev->curr_fmmode) {
+ case FM_MODE_RX:
+ return fm_rx_set_mute_mode(fmdev, mute_mode_toset);
+
+ case FM_MODE_TX:
+ return fm_tx_set_mute_mode(fmdev, mute_mode_toset);
+
+ default:
+ return -EINVAL;
+ }
+}
+
+u32 fmc_set_stereo_mono(struct fmdev *fmdev, u16 mode)
+{
+ switch (fmdev->curr_fmmode) {
+ case FM_MODE_RX:
+ return fm_rx_set_stereo_mono(fmdev, mode);
+
+ case FM_MODE_TX:
+ return fm_tx_set_stereo_mono(fmdev, mode);
+
+ default:
+ return -EINVAL;
+ }
+}
+
+u32 fmc_set_rds_mode(struct fmdev *fmdev, u8 rds_en_dis)
+{
+ switch (fmdev->curr_fmmode) {
+ case FM_MODE_RX:
+ return fm_rx_set_rds_mode(fmdev, rds_en_dis);
+
+ case FM_MODE_TX:
+ return fm_tx_set_rds_mode(fmdev, rds_en_dis);
+
+ default:
+ return -EINVAL;
+ }
+}
+
+/* Sends power off command to the chip */
+static u32 fm_power_down(struct fmdev *fmdev)
+{
+ u16 payload;
+ u32 ret;
+
+ if (!test_bit(FM_CORE_READY, &fmdev->flag)) {
+ fmerr("FM core is not ready\n");
+ return -EPERM;
+ }
+ if (fmdev->curr_fmmode == FM_MODE_OFF) {
+ fmdbg("FM chip is already in OFF state\n");
+ return 0;
+ }
+
+ payload = 0x0;
+ ret = fmc_send_cmd(fmdev, FM_POWER_MODE, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ return fmc_release(fmdev);
+}
+
+/* Reads init command from FM firmware file and loads to the chip */
+static u32 fm_download_firmware(struct fmdev *fmdev, const u8 *fw_name)
+{
+ const struct firmware *fw_entry;
+ struct bts_header *fw_header;
+ struct bts_action *action;
+ struct bts_action_delay *delay;
+ u8 *fw_data;
+ int ret, fw_len, cmd_cnt;
+
+ cmd_cnt = 0;
+ set_bit(FM_FW_DW_INPROGRESS, &fmdev->flag);
+
+ ret = request_firmware(&fw_entry, fw_name,
+ &fmdev->radio_dev->dev);
+ if (ret < 0) {
+ fmerr("Unable to read firmware(%s) content\n", fw_name);
+ return ret;
+ }
+ fmdbg("Firmware(%s) length : %d bytes\n", fw_name, fw_entry->size);
+
+ fw_data = (void *)fw_entry->data;
+ fw_len = fw_entry->size;
+
+ fw_header = (struct bts_header *)fw_data;
+ if (fw_header->magic != FM_FW_FILE_HEADER_MAGIC) {
+ fmerr("%s not a legal TI firmware file\n", fw_name);
+ ret = -EINVAL;
+ goto rel_fw;
+ }
+ fmdbg("FW(%s) magic number : 0x%x\n", fw_name, fw_header->magic);
+
+ /* Skip file header info , we already verified it */
+ fw_data += sizeof(struct bts_header);
+ fw_len -= sizeof(struct bts_header);
+
+ while (fw_data && fw_len > 0) {
+ action = (struct bts_action *)fw_data;
+
+ switch (action->type) {
+ case ACTION_SEND_COMMAND: /* Send */
+ if (fmc_send_cmd(fmdev, 0, 0, action->data,
+ action->size, NULL, NULL))
+ goto rel_fw;
+
+ cmd_cnt++;
+ break;
+
+ case ACTION_DELAY: /* Delay */
+ delay = (struct bts_action_delay *)action->data;
+ mdelay(delay->msec);
+ break;
+ }
+
+ fw_data += (sizeof(struct bts_action) + (action->size));
+ fw_len -= (sizeof(struct bts_action) + (action->size));
+ }
+ fmdbg("Firmware commands(%d) loaded to chip\n", cmd_cnt);
+rel_fw:
+ release_firmware(fw_entry);
+ clear_bit(FM_FW_DW_INPROGRESS, &fmdev->flag);
+
+ return ret;
+}
+
+/* Loads default RX configuration to the chip */
+static u32 load_default_rx_configuration(struct fmdev *fmdev)
+{
+ int ret;
+
+ ret = fm_rx_set_volume(fmdev, FM_DEFAULT_RX_VOLUME);
+ if (ret < 0)
+ return ret;
+
+ return fm_rx_set_rssi_threshold(fmdev, FM_DEFAULT_RSSI_THRESHOLD);
+}
+
+/* Does FM power on sequence */
+static u32 fm_power_up(struct fmdev *fmdev, u8 mode)
+{
+ u16 payload, asic_id, asic_ver;
+ int resp_len, ret;
+ u8 fw_name[50];
+
+ if (mode >= FM_MODE_ENTRY_MAX) {
+ fmerr("Invalid firmware download option\n");
+ return -EINVAL;
+ }
+
+ /*
+ * Initialize FM common module. FM GPIO toggling is
+ * taken care in Shared Transport driver.
+ */
+ ret = fmc_prepare(fmdev);
+ if (ret < 0) {
+ fmerr("Unable to prepare FM Common\n");
+ return ret;
+ }
+
+ payload = FM_ENABLE;
+ if (fmc_send_cmd(fmdev, FM_POWER_MODE, REG_WR, &payload,
+ sizeof(payload), NULL, NULL))
+ goto rel;
+
+ /* Allow the chip to settle down in Channel-8 mode */
+ msleep(20);
+
+ if (fmc_send_cmd(fmdev, ASIC_ID_GET, REG_RD, NULL,
+ sizeof(asic_id), &asic_id, &resp_len))
+ goto rel;
+
+ if (fmc_send_cmd(fmdev, ASIC_VER_GET, REG_RD, NULL,
+ sizeof(asic_ver), &asic_ver, &resp_len))
+ goto rel;
+
+ fmdbg("ASIC ID: 0x%x , ASIC Version: %d\n",
+ be16_to_cpu(asic_id), be16_to_cpu(asic_ver));
+
+ sprintf(fw_name, "%s_%x.%d.bts", FM_FMC_FW_FILE_START,
+ be16_to_cpu(asic_id), be16_to_cpu(asic_ver));
+
+ ret = fm_download_firmware(fmdev, fw_name);
+ if (ret < 0) {
+ fmdbg("Failed to download firmware file %s\n", fw_name);
+ goto rel;
+ }
+ sprintf(fw_name, "%s_%x.%d.bts", (mode == FM_MODE_RX) ?
+ FM_RX_FW_FILE_START : FM_TX_FW_FILE_START,
+ be16_to_cpu(asic_id), be16_to_cpu(asic_ver));
+
+ ret = fm_download_firmware(fmdev, fw_name);
+ if (ret < 0) {
+ fmdbg("Failed to download firmware file %s\n", fw_name);
+ goto rel;
+ } else
+ return ret;
+rel:
+ return fmc_release(fmdev);
+}
+
+/* Set FM Modes(TX, RX, OFF) */
+u32 fmc_set_mode(struct fmdev *fmdev, u8 fm_mode)
+{
+ int ret = 0;
+
+ if (fm_mode >= FM_MODE_ENTRY_MAX) {
+ fmerr("Invalid FM mode\n");
+ return -EINVAL;
+ }
+ if (fmdev->curr_fmmode == fm_mode) {
+ fmdbg("Already fm is in mode(%d)\n", fm_mode);
+ return ret;
+ }
+
+ switch (fm_mode) {
+ case FM_MODE_OFF: /* OFF Mode */
+ ret = fm_power_down(fmdev);
+ if (ret < 0) {
+ fmerr("Failed to set OFF mode\n");
+ return ret;
+ }
+ break;
+
+ case FM_MODE_TX: /* TX Mode */
+ case FM_MODE_RX: /* RX Mode */
+ /* Power down before switching to TX or RX mode */
+ if (fmdev->curr_fmmode != FM_MODE_OFF) {
+ ret = fm_power_down(fmdev);
+ if (ret < 0) {
+ fmerr("Failed to set OFF mode\n");
+ return ret;
+ }
+ msleep(30);
+ }
+ ret = fm_power_up(fmdev, fm_mode);
+ if (ret < 0) {
+ fmerr("Failed to load firmware\n");
+ return ret;
+ }
+ }
+ fmdev->curr_fmmode = fm_mode;
+
+ /* Set default configuration */
+ if (fmdev->curr_fmmode == FM_MODE_RX) {
+ fmdbg("Loading default rx configuration..\n");
+ ret = load_default_rx_configuration(fmdev);
+ if (ret < 0)
+ fmerr("Failed to load default values\n");
+ }
+
+ return ret;
+}
+
+/* Returns current FM mode (TX, RX, OFF) */
+u32 fmc_get_mode(struct fmdev *fmdev, u8 *fmmode)
+{
+ if (!test_bit(FM_CORE_READY, &fmdev->flag)) {
+ fmerr("FM core is not ready\n");
+ return -EPERM;
+ }
+ if (fmmode == NULL) {
+ fmerr("Invalid memory\n");
+ return -ENOMEM;
+ }
+
+ *fmmode = fmdev->curr_fmmode;
+ return 0;
+}
+
+/* Called by ST layer when FM packet is available */
+static long fm_st_receive(void *arg, struct sk_buff *skb)
+{
+ struct fmdev *fmdev;
+
+ fmdev = (struct fmdev *)arg;
+
+ if (skb == NULL) {
+ fmerr("Invalid SKB received from ST\n");
+ return -EFAULT;
+ }
+
+ if (skb->cb[0] != FM_PKT_LOGICAL_CHAN_NUMBER) {
+ fmerr("Received SKB (%p) is not FM Channel 8 pkt\n", skb);
+ return -EINVAL;
+ }
+
+ memcpy(skb_push(skb, 1), &skb->cb[0], 1);
+ skb_queue_tail(&fmdev->rx_q, skb);
+ tasklet_schedule(&fmdev->rx_task);
+
+ return 0;
+}
+
+/*
+ * Called by ST layer to indicate protocol registration completion
+ * status.
+ */
+static void fm_st_reg_comp_cb(void *arg, char data)
+{
+ struct fmdev *fmdev;
+
+ fmdev = (struct fmdev *)arg;
+ fmdev->streg_cbdata = data;
+ complete(&wait_for_fmdrv_reg_comp);
+}
+
+/*
+ * This function will be called from FM V4L2 open function.
+ * Register with ST driver and initialize driver data.
+ */
+u32 fmc_prepare(struct fmdev *fmdev)
+{
+ static struct st_proto_s fm_st_proto;
+ u32 ret;
+
+ if (test_bit(FM_CORE_READY, &fmdev->flag)) {
+ fmdbg("FM Core is already up\n");
+ return 0;
+ }
+
+ memset(&fm_st_proto, 0, sizeof(fm_st_proto));
+ fm_st_proto.recv = fm_st_receive;
+ fm_st_proto.match_packet = NULL;
+ fm_st_proto.reg_complete_cb = fm_st_reg_comp_cb;
+ fm_st_proto.write = NULL; /* TI ST driver will fill write pointer */
+ fm_st_proto.priv_data = fmdev;
+ fm_st_proto.chnl_id = 0x08;
+ fm_st_proto.max_frame_size = 0xff;
+ fm_st_proto.hdr_len = 1;
+ fm_st_proto.offset_len_in_hdr = 0;
+ fm_st_proto.len_size = 1;
+ fm_st_proto.reserve = 1;
+
+ ret = st_register(&fm_st_proto);
+ if (ret == -EINPROGRESS) {
+ init_completion(&wait_for_fmdrv_reg_comp);
+ fmdev->streg_cbdata = -EINPROGRESS;
+ fmdbg("%s waiting for ST reg completion signal\n", __func__);
+
+ ret = wait_for_completion_timeout(&wait_for_fmdrv_reg_comp,
+ FM_ST_REG_TIMEOUT);
+
+ if (!ret) {
+ fmerr("Timeout(%d sec), didn't get reg "
+ "completion signal from ST\n",
+ jiffies_to_msecs(FM_ST_REG_TIMEOUT) / 1000);
+ return -ETIMEDOUT;
+ }
+ if (fmdev->streg_cbdata != 0) {
+ fmerr("ST reg comp CB called with error "
+ "status %d\n", fmdev->streg_cbdata);
+ return -EAGAIN;
+ }
+
+ ret = 0;
+ } else if (ret == -1) {
+ fmerr("st_register failed %d\n", ret);
+ return -EAGAIN;
+ }
+
+ if (fm_st_proto.write != NULL) {
+ g_st_write = fm_st_proto.write;
+ } else {
+ fmerr("Failed to get ST write func pointer\n");
+ ret = st_unregister(&fm_st_proto);
+ if (ret < 0)
+ fmerr("st_unregister failed %d\n", ret);
+ return -EAGAIN;
+ }
+
+ spin_lock_init(&fmdev->rds_buff_lock);
+ spin_lock_init(&fmdev->resp_skb_lock);
+
+ /* Initialize TX queue and TX tasklet */
+ skb_queue_head_init(&fmdev->tx_q);
+ tasklet_init(&fmdev->tx_task, send_tasklet, (unsigned long)fmdev);
+
+ /* Initialize RX Queue and RX tasklet */
+ skb_queue_head_init(&fmdev->rx_q);
+ tasklet_init(&fmdev->rx_task, recv_tasklet, (unsigned long)fmdev);
+
+ fmdev->irq_info.stage = 0;
+ atomic_set(&fmdev->tx_cnt, 1);
+ fmdev->resp_comp = NULL;
+
+ init_timer(&fmdev->irq_info.timer);
+ fmdev->irq_info.timer.function = &int_timeout_handler;
+ fmdev->irq_info.timer.data = (unsigned long)fmdev;
+ /*TODO: add FM_STIC_EVENT later */
+ fmdev->irq_info.mask = FM_MAL_EVENT;
+
+ /* Region info */
+ memcpy(&fmdev->rx.region, &region_configs[default_radio_region],
+ sizeof(struct region_info));
+
+ fmdev->rx.mute_mode = FM_MUTE_OFF;
+ fmdev->rx.rf_depend_mute = FM_RX_RF_DEPENDENT_MUTE_OFF;
+ fmdev->rx.rds.flag = FM_RDS_DISABLE;
+ fmdev->rx.freq = FM_UNDEFINED_FREQ;
+ fmdev->rx.rds_mode = FM_RDS_SYSTEM_RDS;
+ fmdev->rx.af_mode = FM_RX_RDS_AF_SWITCH_MODE_OFF;
+ fmdev->irq_info.retry = 0;
+
+ fm_rx_reset_rds_cache(fmdev);
+ init_waitqueue_head(&fmdev->rx.rds.read_queue);
+
+ fm_rx_reset_station_info(fmdev);
+ set_bit(FM_CORE_READY, &fmdev->flag);
+
+ return ret;
+}
+
+/*
+ * This function will be called from FM V4L2 release function.
+ * Unregister from ST driver.
+ */
+u32 fmc_release(struct fmdev *fmdev)
+{
+ static struct st_proto_s fm_st_proto;
+ u32 ret;
+
+ if (!test_bit(FM_CORE_READY, &fmdev->flag)) {
+ fmdbg("FM Core is already down\n");
+ return 0;
+ }
+ /* Sevice pending read */
+ wake_up_interruptible(&fmdev->rx.rds.read_queue);
+
+ tasklet_kill(&fmdev->tx_task);
+ tasklet_kill(&fmdev->rx_task);
+
+ skb_queue_purge(&fmdev->tx_q);
+ skb_queue_purge(&fmdev->rx_q);
+
+ fmdev->resp_comp = NULL;
+ fmdev->rx.freq = 0;
+
+ memset(&fm_st_proto, 0, sizeof(fm_st_proto));
+ fm_st_proto.chnl_id = 0x08;
+
+ ret = st_unregister(&fm_st_proto);
+
+ if (ret < 0)
+ fmerr("Failed to de-register FM from ST %d\n", ret);
+ else
+ fmdbg("Successfully unregistered from ST\n");
+
+ clear_bit(FM_CORE_READY, &fmdev->flag);
+ return ret;
+}
+
+/*
+ * Module init function. Ask FM V4L module to register video device.
+ * Allocate memory for FM driver context and RX RDS buffer.
+ */
+static int __init fm_drv_init(void)
+{
+ struct fmdev *fmdev = NULL;
+ u32 ret = -ENOMEM;
+
+ fmdbg("FM driver version %s\n", FM_DRV_VERSION);
+
+ fmdev = kzalloc(sizeof(struct fmdev), GFP_KERNEL);
+ if (NULL == fmdev) {
+ fmerr("Can't allocate operation structure memory\n");
+ return ret;
+ }
+ fmdev->rx.rds.buf_size = default_rds_buf * FM_RDS_BLK_SIZE;
+ fmdev->rx.rds.buff = kzalloc(fmdev->rx.rds.buf_size, GFP_KERNEL);
+ if (NULL == fmdev->rx.rds.buff) {
+ fmerr("Can't allocate rds ring buffer\n");
+ goto rel_dev;
+ }
+
+ ret = fm_v4l2_init_video_device(fmdev, radio_nr);
+ if (ret < 0)
+ goto rel_rdsbuf;
+
+ fmdev->irq_info.handlers = int_handler_table;
+ fmdev->curr_fmmode = FM_MODE_OFF;
+ fmdev->tx_data.pwr_lvl = FM_PWR_LVL_DEF;
+ fmdev->tx_data.preemph = FM_TX_PREEMPH_50US;
+ return ret;
+
+rel_rdsbuf:
+ kfree(fmdev->rx.rds.buff);
+rel_dev:
+ kfree(fmdev);
+
+ return ret;
+}
+
+/* Module exit function. Ask FM V4L module to unregister video device */
+static void __exit fm_drv_exit(void)
+{
+ struct fmdev *fmdev = NULL;
+
+ fmdev = fm_v4l2_deinit_video_device();
+ if (fmdev != NULL) {
+ kfree(fmdev->rx.rds.buff);
+ kfree(fmdev);
+ }
+}
+
+module_init(fm_drv_init);
+module_exit(fm_drv_exit);
+
+/* ------------- Module Info ------------- */
+MODULE_AUTHOR("Manjunatha Halli <manjunatha_halli@ti.com>");
+MODULE_DESCRIPTION("FM Driver for TI's Connectivity chip. " FM_DRV_VERSION);
+MODULE_VERSION(FM_DRV_VERSION);
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/radio/wl128x/fmdrv_common.h b/drivers/media/radio/wl128x/fmdrv_common.h
new file mode 100644
index 00000000000..427c4164cec
--- /dev/null
+++ b/drivers/media/radio/wl128x/fmdrv_common.h
@@ -0,0 +1,402 @@
+/*
+ * FM Driver for Connectivity chip of Texas Instruments.
+ * FM Common module header file
+ *
+ * Copyright (C) 2011 Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef _FMDRV_COMMON_H
+#define _FMDRV_COMMON_H
+
+#define FM_ST_REG_TIMEOUT msecs_to_jiffies(6000) /* 6 sec */
+#define FM_PKT_LOGICAL_CHAN_NUMBER 0x08 /* Logical channel 8 */
+
+#define REG_RD 0x1
+#define REG_WR 0x0
+
+struct fm_reg_table {
+ u8 opcode;
+ u8 type;
+ u8 *name;
+};
+
+#define STEREO_GET 0
+#define RSSI_LVL_GET 1
+#define IF_COUNT_GET 2
+#define FLAG_GET 3
+#define RDS_SYNC_GET 4
+#define RDS_DATA_GET 5
+#define FREQ_SET 10
+#define AF_FREQ_SET 11
+#define MOST_MODE_SET 12
+#define MOST_BLEND_SET 13
+#define DEMPH_MODE_SET 14
+#define SEARCH_LVL_SET 15
+#define BAND_SET 16
+#define MUTE_STATUS_SET 17
+#define RDS_PAUSE_LVL_SET 18
+#define RDS_PAUSE_DUR_SET 19
+#define RDS_MEM_SET 20
+#define RDS_BLK_B_SET 21
+#define RDS_MSK_B_SET 22
+#define RDS_PI_MASK_SET 23
+#define RDS_PI_SET 24
+#define RDS_SYSTEM_SET 25
+#define INT_MASK_SET 26
+#define SEARCH_DIR_SET 27
+#define VOLUME_SET 28
+#define AUDIO_ENABLE_SET 29
+#define PCM_MODE_SET 30
+#define I2S_MODE_CONFIG_SET 31
+#define POWER_SET 32
+#define INTX_CONFIG_SET 33
+#define PULL_EN_SET 34
+#define HILO_SET 35
+#define SWITCH2FREF 36
+#define FREQ_DRIFT_REPORT 37
+
+#define PCE_GET 40
+#define FIRM_VER_GET 41
+#define ASIC_VER_GET 42
+#define ASIC_ID_GET 43
+#define MAN_ID_GET 44
+#define TUNER_MODE_SET 45
+#define STOP_SEARCH 46
+#define RDS_CNTRL_SET 47
+
+#define WRITE_HARDWARE_REG 100
+#define CODE_DOWNLOAD 101
+#define RESET 102
+
+#define FM_POWER_MODE 254
+#define FM_INTERRUPT 255
+
+/* Transmitter API */
+
+#define CHANL_SET 55
+#define CHANL_BW_SET 56
+#define REF_SET 57
+#define POWER_ENB_SET 90
+#define POWER_ATT_SET 58
+#define POWER_LEV_SET 59
+#define AUDIO_DEV_SET 60
+#define PILOT_DEV_SET 61
+#define RDS_DEV_SET 62
+#define TX_BAND_SET 65
+#define PUPD_SET 91
+#define AUDIO_IO_SET 63
+#define PREMPH_SET 64
+#define MONO_SET 66
+#define MUTE 92
+#define MPX_LMT_ENABLE 67
+#define PI_SET 93
+#define ECC_SET 69
+#define PTY 70
+#define AF 71
+#define DISPLAY_MODE 74
+#define RDS_REP_SET 77
+#define RDS_CONFIG_DATA_SET 98
+#define RDS_DATA_SET 99
+#define RDS_DATA_ENB 94
+#define TA_SET 78
+#define TP_SET 79
+#define DI_SET 80
+#define MS_SET 81
+#define PS_SCROLL_SPEED 82
+#define TX_AUDIO_LEVEL_TEST 96
+#define TX_AUDIO_LEVEL_TEST_THRESHOLD 73
+#define TX_AUDIO_INPUT_LEVEL_RANGE_SET 54
+#define RX_ANTENNA_SELECT 87
+#define I2C_DEV_ADDR_SET 86
+#define REF_ERR_CALIB_PARAM_SET 88
+#define REF_ERR_CALIB_PERIODICITY_SET 89
+#define SOC_INT_TRIGGER 52
+#define SOC_AUDIO_PATH_SET 83
+#define SOC_PCMI_OVERRIDE 84
+#define SOC_I2S_OVERRIDE 85
+#define RSSI_BLOCK_SCAN_FREQ_SET 95
+#define RSSI_BLOCK_SCAN_START 97
+#define RSSI_BLOCK_SCAN_DATA_GET 5
+#define READ_FMANT_TUNE_VALUE 104
+
+/* SKB helpers */
+struct fm_skb_cb {
+ __u8 fm_op;
+ struct completion *completion;
+};
+
+#define fm_cb(skb) ((struct fm_skb_cb *)(skb->cb))
+
+/* FM Channel-8 command message format */
+struct fm_cmd_msg_hdr {
+ __u8 hdr; /* Logical Channel-8 */
+ __u8 len; /* Number of bytes follows */
+ __u8 op; /* FM Opcode */
+ __u8 rd_wr; /* Read/Write command */
+ __u8 dlen; /* Length of payload */
+} __attribute__ ((packed));
+
+#define FM_CMD_MSG_HDR_SIZE 5 /* sizeof(struct fm_cmd_msg_hdr) */
+
+/* FM Channel-8 event messgage format */
+struct fm_event_msg_hdr {
+ __u8 header; /* Logical Channel-8 */
+ __u8 len; /* Number of bytes follows */
+ __u8 status; /* Event status */
+ __u8 num_fm_hci_cmds; /* Number of pkts the host allowed to send */
+ __u8 op; /* FM Opcode */
+ __u8 rd_wr; /* Read/Write command */
+ __u8 dlen; /* Length of payload */
+} __attribute__ ((packed));
+
+#define FM_EVT_MSG_HDR_SIZE 7 /* sizeof(struct fm_event_msg_hdr) */
+
+/* TI's magic number in firmware file */
+#define FM_FW_FILE_HEADER_MAGIC 0x42535442
+
+#define FM_ENABLE 1
+#define FM_DISABLE 0
+
+/* FLAG_GET register bits */
+#define FM_FR_EVENT (1 << 0)
+#define FM_BL_EVENT (1 << 1)
+#define FM_RDS_EVENT (1 << 2)
+#define FM_BBLK_EVENT (1 << 3)
+#define FM_LSYNC_EVENT (1 << 4)
+#define FM_LEV_EVENT (1 << 5)
+#define FM_IFFR_EVENT (1 << 6)
+#define FM_PI_EVENT (1 << 7)
+#define FM_PD_EVENT (1 << 8)
+#define FM_STIC_EVENT (1 << 9)
+#define FM_MAL_EVENT (1 << 10)
+#define FM_POW_ENB_EVENT (1 << 11)
+
+/*
+ * Firmware files of FM. ASIC ID and ASIC version will be appened to this,
+ * later.
+ */
+#define FM_FMC_FW_FILE_START ("fmc_ch8")
+#define FM_RX_FW_FILE_START ("fm_rx_ch8")
+#define FM_TX_FW_FILE_START ("fm_tx_ch8")
+
+#define FM_UNDEFINED_FREQ 0xFFFFFFFF
+
+/* Band types */
+#define FM_BAND_EUROPE_US 0
+#define FM_BAND_JAPAN 1
+
+/* Seek directions */
+#define FM_SEARCH_DIRECTION_DOWN 0
+#define FM_SEARCH_DIRECTION_UP 1
+
+/* Tunner modes */
+#define FM_TUNER_STOP_SEARCH_MODE 0
+#define FM_TUNER_PRESET_MODE 1
+#define FM_TUNER_AUTONOMOUS_SEARCH_MODE 2
+#define FM_TUNER_AF_JUMP_MODE 3
+
+/* Min and Max volume */
+#define FM_RX_VOLUME_MIN 0
+#define FM_RX_VOLUME_MAX 70
+
+/* Volume gain step */
+#define FM_RX_VOLUME_GAIN_STEP 0x370
+
+/* Mute modes */
+#define FM_MUTE_ON 0
+#define FM_MUTE_OFF 1
+#define FM_MUTE_ATTENUATE 2
+
+#define FM_RX_UNMUTE_MODE 0x00
+#define FM_RX_RF_DEP_MODE 0x01
+#define FM_RX_AC_MUTE_MODE 0x02
+#define FM_RX_HARD_MUTE_LEFT_MODE 0x04
+#define FM_RX_HARD_MUTE_RIGHT_MODE 0x08
+#define FM_RX_SOFT_MUTE_FORCE_MODE 0x10
+
+/* RF dependent mute mode */
+#define FM_RX_RF_DEPENDENT_MUTE_ON 1
+#define FM_RX_RF_DEPENDENT_MUTE_OFF 0
+
+/* RSSI threshold min and max */
+#define FM_RX_RSSI_THRESHOLD_MIN -128
+#define FM_RX_RSSI_THRESHOLD_MAX 127
+
+/* Stereo/Mono mode */
+#define FM_STEREO_MODE 0
+#define FM_MONO_MODE 1
+#define FM_STEREO_SOFT_BLEND 1
+
+/* FM RX De-emphasis filter modes */
+#define FM_RX_EMPHASIS_FILTER_50_USEC 0
+#define FM_RX_EMPHASIS_FILTER_75_USEC 1
+
+/* FM RDS modes */
+#define FM_RDS_DISABLE 0
+#define FM_RDS_ENABLE 1
+
+#define FM_NO_PI_CODE 0
+
+/* FM and RX RDS block enable/disable */
+#define FM_RX_PWR_SET_FM_ON_RDS_OFF 0x1
+#define FM_RX_PWR_SET_FM_AND_RDS_BLK_ON 0x3
+#define FM_RX_PWR_SET_FM_AND_RDS_BLK_OFF 0x0
+
+/* RX RDS */
+#define FM_RX_RDS_FLUSH_FIFO 0x1
+#define FM_RX_RDS_FIFO_THRESHOLD 64 /* tuples */
+#define FM_RDS_BLK_SIZE 3 /* 3 bytes */
+
+/* RDS block types */
+#define FM_RDS_BLOCK_A 0
+#define FM_RDS_BLOCK_B 1
+#define FM_RDS_BLOCK_C 2
+#define FM_RDS_BLOCK_Ctag 3
+#define FM_RDS_BLOCK_D 4
+#define FM_RDS_BLOCK_E 5
+
+#define FM_RDS_BLK_IDX_A 0
+#define FM_RDS_BLK_IDX_B 1
+#define FM_RDS_BLK_IDX_C 2
+#define FM_RDS_BLK_IDX_D 3
+#define FM_RDS_BLK_IDX_UNKNOWN 0xF0
+
+#define FM_RDS_STATUS_ERR_MASK 0x18
+
+/*
+ * Represents an RDS group type & version.
+ * There are 15 groups, each group has 2 versions: A and B.
+ */
+#define FM_RDS_GROUP_TYPE_MASK_0A ((unsigned long)1<<0)
+#define FM_RDS_GROUP_TYPE_MASK_0B ((unsigned long)1<<1)
+#define FM_RDS_GROUP_TYPE_MASK_1A ((unsigned long)1<<2)
+#define FM_RDS_GROUP_TYPE_MASK_1B ((unsigned long)1<<3)
+#define FM_RDS_GROUP_TYPE_MASK_2A ((unsigned long)1<<4)
+#define FM_RDS_GROUP_TYPE_MASK_2B ((unsigned long)1<<5)
+#define FM_RDS_GROUP_TYPE_MASK_3A ((unsigned long)1<<6)
+#define FM_RDS_GROUP_TYPE_MASK_3B ((unsigned long)1<<7)
+#define FM_RDS_GROUP_TYPE_MASK_4A ((unsigned long)1<<8)
+#define FM_RDS_GROUP_TYPE_MASK_4B ((unsigned long)1<<9)
+#define FM_RDS_GROUP_TYPE_MASK_5A ((unsigned long)1<<10)
+#define FM_RDS_GROUP_TYPE_MASK_5B ((unsigned long)1<<11)
+#define FM_RDS_GROUP_TYPE_MASK_6A ((unsigned long)1<<12)
+#define FM_RDS_GROUP_TYPE_MASK_6B ((unsigned long)1<<13)
+#define FM_RDS_GROUP_TYPE_MASK_7A ((unsigned long)1<<14)
+#define FM_RDS_GROUP_TYPE_MASK_7B ((unsigned long)1<<15)
+#define FM_RDS_GROUP_TYPE_MASK_8A ((unsigned long)1<<16)
+#define FM_RDS_GROUP_TYPE_MASK_8B ((unsigned long)1<<17)
+#define FM_RDS_GROUP_TYPE_MASK_9A ((unsigned long)1<<18)
+#define FM_RDS_GROUP_TYPE_MASK_9B ((unsigned long)1<<19)
+#define FM_RDS_GROUP_TYPE_MASK_10A ((unsigned long)1<<20)
+#define FM_RDS_GROUP_TYPE_MASK_10B ((unsigned long)1<<21)
+#define FM_RDS_GROUP_TYPE_MASK_11A ((unsigned long)1<<22)
+#define FM_RDS_GROUP_TYPE_MASK_11B ((unsigned long)1<<23)
+#define FM_RDS_GROUP_TYPE_MASK_12A ((unsigned long)1<<24)
+#define FM_RDS_GROUP_TYPE_MASK_12B ((unsigned long)1<<25)
+#define FM_RDS_GROUP_TYPE_MASK_13A ((unsigned long)1<<26)
+#define FM_RDS_GROUP_TYPE_MASK_13B ((unsigned long)1<<27)
+#define FM_RDS_GROUP_TYPE_MASK_14A ((unsigned long)1<<28)
+#define FM_RDS_GROUP_TYPE_MASK_14B ((unsigned long)1<<29)
+#define FM_RDS_GROUP_TYPE_MASK_15A ((unsigned long)1<<30)
+#define FM_RDS_GROUP_TYPE_MASK_15B ((unsigned long)1<<31)
+
+/* RX Alternate Frequency info */
+#define FM_RDS_MIN_AF 1
+#define FM_RDS_MAX_AF 204
+#define FM_RDS_MAX_AF_JAPAN 140
+#define FM_RDS_1_AF_FOLLOWS 225
+#define FM_RDS_25_AF_FOLLOWS 249
+
+/* RDS system type (RDS/RBDS) */
+#define FM_RDS_SYSTEM_RDS 0
+#define FM_RDS_SYSTEM_RBDS 1
+
+/* AF on/off */
+#define FM_RX_RDS_AF_SWITCH_MODE_ON 1
+#define FM_RX_RDS_AF_SWITCH_MODE_OFF 0
+
+/* Retry count when interrupt process goes wrong */
+#define FM_IRQ_TIMEOUT_RETRY_MAX 5 /* 5 times */
+
+/* Audio IO set values */
+#define FM_RX_AUDIO_ENABLE_I2S 0x01
+#define FM_RX_AUDIO_ENABLE_ANALOG 0x02
+#define FM_RX_AUDIO_ENABLE_I2S_AND_ANALOG 0x03
+#define FM_RX_AUDIO_ENABLE_DISABLE 0x00
+
+/* HI/LO set values */
+#define FM_RX_IFFREQ_TO_HI_SIDE 0x0
+#define FM_RX_IFFREQ_TO_LO_SIDE 0x1
+#define FM_RX_IFFREQ_HILO_AUTOMATIC 0x2
+
+/*
+ * Default RX mode configuration. Chip will be configured
+ * with this default values after loading RX firmware.
+ */
+#define FM_DEFAULT_RX_VOLUME 10
+#define FM_DEFAULT_RSSI_THRESHOLD 3
+
+/* Range for TX power level in units for dB/uV */
+#define FM_PWR_LVL_LOW 91
+#define FM_PWR_LVL_HIGH 122
+
+/* Chip specific default TX power level value */
+#define FM_PWR_LVL_DEF 4
+
+/* FM TX Pre-emphasis filter values */
+#define FM_TX_PREEMPH_OFF 1
+#define FM_TX_PREEMPH_50US 0
+#define FM_TX_PREEMPH_75US 2
+
+/* FM TX antenna impedence values */
+#define FM_TX_ANT_IMP_50 0
+#define FM_TX_ANT_IMP_200 1
+#define FM_TX_ANT_IMP_500 2
+
+/* Functions exported by FM common sub-module */
+u32 fmc_prepare(struct fmdev *);
+u32 fmc_release(struct fmdev *);
+
+void fmc_update_region_info(struct fmdev *, u8);
+u32 fmc_send_cmd(struct fmdev *, u8, u16,
+ void *, unsigned int, void *, int *);
+u32 fmc_is_rds_data_available(struct fmdev *, struct file *,
+ struct poll_table_struct *);
+u32 fmc_transfer_rds_from_internal_buff(struct fmdev *, struct file *,
+ u8 __user *, size_t);
+
+u32 fmc_set_freq(struct fmdev *, u32);
+u32 fmc_set_mode(struct fmdev *, u8);
+u32 fmc_set_region(struct fmdev *, u8);
+u32 fmc_set_mute_mode(struct fmdev *, u8);
+u32 fmc_set_stereo_mono(struct fmdev *, u16);
+u32 fmc_set_rds_mode(struct fmdev *, u8);
+
+u32 fmc_get_freq(struct fmdev *, u32 *);
+u32 fmc_get_region(struct fmdev *, u8 *);
+u32 fmc_get_mode(struct fmdev *, u8 *);
+
+/*
+ * channel spacing
+ */
+#define FM_CHANNEL_SPACING_50KHZ 1
+#define FM_CHANNEL_SPACING_100KHZ 2
+#define FM_CHANNEL_SPACING_200KHZ 4
+#define FM_FREQ_MUL 50
+
+#endif
+
diff --git a/drivers/media/radio/wl128x/fmdrv_rx.c b/drivers/media/radio/wl128x/fmdrv_rx.c
new file mode 100644
index 00000000000..ec529b55b04
--- /dev/null
+++ b/drivers/media/radio/wl128x/fmdrv_rx.c
@@ -0,0 +1,847 @@
+/*
+ * FM Driver for Connectivity chip of Texas Instruments.
+ * This sub-module of FM driver implements FM RX functionality.
+ *
+ * Copyright (C) 2011 Texas Instruments
+ * Author: Raja Mani <raja_mani@ti.com>
+ * Author: Manjunatha Halli <manjunatha_halli@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "fmdrv.h"
+#include "fmdrv_common.h"
+#include "fmdrv_rx.h"
+
+void fm_rx_reset_rds_cache(struct fmdev *fmdev)
+{
+ fmdev->rx.rds.flag = FM_RDS_DISABLE;
+ fmdev->rx.rds.last_blk_idx = 0;
+ fmdev->rx.rds.wr_idx = 0;
+ fmdev->rx.rds.rd_idx = 0;
+
+ if (fmdev->rx.af_mode == FM_RX_RDS_AF_SWITCH_MODE_ON)
+ fmdev->irq_info.mask |= FM_LEV_EVENT;
+}
+
+void fm_rx_reset_station_info(struct fmdev *fmdev)
+{
+ fmdev->rx.stat_info.picode = FM_NO_PI_CODE;
+ fmdev->rx.stat_info.afcache_size = 0;
+ fmdev->rx.stat_info.af_list_max = 0;
+}
+
+u32 fm_rx_set_freq(struct fmdev *fmdev, u32 freq)
+{
+ unsigned long timeleft;
+ u16 payload, curr_frq, intr_flag;
+ u32 curr_frq_in_khz;
+ u32 ret, resp_len;
+
+ if (freq < fmdev->rx.region.bot_freq || freq > fmdev->rx.region.top_freq) {
+ fmerr("Invalid frequency %d\n", freq);
+ return -EINVAL;
+ }
+
+ /* Set audio enable */
+ payload = FM_RX_AUDIO_ENABLE_I2S_AND_ANALOG;
+
+ ret = fmc_send_cmd(fmdev, AUDIO_ENABLE_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* Set hilo to automatic selection */
+ payload = FM_RX_IFFREQ_HILO_AUTOMATIC;
+ ret = fmc_send_cmd(fmdev, HILO_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* Calculate frequency index and set*/
+ payload = (freq - fmdev->rx.region.bot_freq) / FM_FREQ_MUL;
+
+ ret = fmc_send_cmd(fmdev, FREQ_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* Read flags - just to clear any pending interrupts if we had */
+ ret = fmc_send_cmd(fmdev, FLAG_GET, REG_RD, NULL, 2, NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* Enable FR, BL interrupts */
+ intr_flag = fmdev->irq_info.mask;
+ fmdev->irq_info.mask = (FM_FR_EVENT | FM_BL_EVENT);
+ payload = fmdev->irq_info.mask;
+ ret = fmc_send_cmd(fmdev, INT_MASK_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* Start tune */
+ payload = FM_TUNER_PRESET_MODE;
+ ret = fmc_send_cmd(fmdev, TUNER_MODE_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ goto exit;
+
+ /* Wait for tune ended interrupt */
+ init_completion(&fmdev->maintask_comp);
+ timeleft = wait_for_completion_timeout(&fmdev->maintask_comp,
+ FM_DRV_TX_TIMEOUT);
+ if (!timeleft) {
+ fmerr("Timeout(%d sec),didn't get tune ended int\n",
+ jiffies_to_msecs(FM_DRV_TX_TIMEOUT) / 1000);
+ ret = -ETIMEDOUT;
+ goto exit;
+ }
+
+ /* Read freq back to confirm */
+ ret = fmc_send_cmd(fmdev, FREQ_SET, REG_RD, NULL, 2, &curr_frq, &resp_len);
+ if (ret < 0)
+ goto exit;
+
+ curr_frq = be16_to_cpu(curr_frq);
+ curr_frq_in_khz = (fmdev->rx.region.bot_freq + ((u32)curr_frq * FM_FREQ_MUL));
+
+ if (curr_frq_in_khz != freq) {
+ pr_info("Frequency is set to (%d) but "
+ "requested freq is (%d)\n", curr_frq_in_khz, freq);
+ }
+
+ /* Update local cache */
+ fmdev->rx.freq = curr_frq_in_khz;
+exit:
+ /* Re-enable default FM interrupts */
+ fmdev->irq_info.mask = intr_flag;
+ payload = fmdev->irq_info.mask;
+ ret = fmc_send_cmd(fmdev, INT_MASK_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* Reset RDS cache and current station pointers */
+ fm_rx_reset_rds_cache(fmdev);
+ fm_rx_reset_station_info(fmdev);
+
+ return ret;
+}
+
+static u32 fm_rx_set_channel_spacing(struct fmdev *fmdev, u32 spacing)
+{
+ u16 payload;
+ u32 ret;
+
+ if (spacing > 0 && spacing <= 50000)
+ spacing = FM_CHANNEL_SPACING_50KHZ;
+ else if (spacing > 50000 && spacing <= 100000)
+ spacing = FM_CHANNEL_SPACING_100KHZ;
+ else
+ spacing = FM_CHANNEL_SPACING_200KHZ;
+
+ /* set channel spacing */
+ payload = spacing;
+ ret = fmc_send_cmd(fmdev, CHANL_BW_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ fmdev->rx.region.chanl_space = spacing * FM_FREQ_MUL;
+
+ return ret;
+}
+
+u32 fm_rx_seek(struct fmdev *fmdev, u32 seek_upward,
+ u32 wrap_around, u32 spacing)
+{
+ u32 resp_len;
+ u16 curr_frq, next_frq, last_frq;
+ u16 payload, int_reason, intr_flag;
+ u16 offset, space_idx;
+ unsigned long timeleft;
+ u32 ret;
+
+ /* Set channel spacing */
+ ret = fm_rx_set_channel_spacing(fmdev, spacing);
+ if (ret < 0) {
+ fmerr("Failed to set channel spacing\n");
+ return ret;
+ }
+
+ /* Read the current frequency from chip */
+ ret = fmc_send_cmd(fmdev, FREQ_SET, REG_RD, NULL,
+ sizeof(curr_frq), &curr_frq, &resp_len);
+ if (ret < 0)
+ return ret;
+
+ curr_frq = be16_to_cpu(curr_frq);
+ last_frq = (fmdev->rx.region.top_freq - fmdev->rx.region.bot_freq) / FM_FREQ_MUL;
+
+ /* Check the offset in order to be aligned to the channel spacing*/
+ space_idx = fmdev->rx.region.chanl_space / FM_FREQ_MUL;
+ offset = curr_frq % space_idx;
+
+ next_frq = seek_upward ? curr_frq + space_idx /* Seek Up */ :
+ curr_frq - space_idx /* Seek Down */ ;
+
+ /*
+ * Add or subtract offset in order to stay aligned to the channel
+ * spacing.
+ */
+ if ((short)next_frq < 0)
+ next_frq = last_frq - offset;
+ else if (next_frq > last_frq)
+ next_frq = 0 + offset;
+
+again:
+ /* Set calculated next frequency to perform seek */
+ payload = next_frq;
+ ret = fmc_send_cmd(fmdev, FREQ_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* Set search direction (0:Seek Down, 1:Seek Up) */
+ payload = (seek_upward ? FM_SEARCH_DIRECTION_UP : FM_SEARCH_DIRECTION_DOWN);
+ ret = fmc_send_cmd(fmdev, SEARCH_DIR_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* Read flags - just to clear any pending interrupts if we had */
+ ret = fmc_send_cmd(fmdev, FLAG_GET, REG_RD, NULL, 2, NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* Enable FR, BL interrupts */
+ intr_flag = fmdev->irq_info.mask;
+ fmdev->irq_info.mask = (FM_FR_EVENT | FM_BL_EVENT);
+ payload = fmdev->irq_info.mask;
+ ret = fmc_send_cmd(fmdev, INT_MASK_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* Start seek */
+ payload = FM_TUNER_AUTONOMOUS_SEARCH_MODE;
+ ret = fmc_send_cmd(fmdev, TUNER_MODE_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* Wait for tune ended/band limit reached interrupt */
+ init_completion(&fmdev->maintask_comp);
+ timeleft = wait_for_completion_timeout(&fmdev->maintask_comp,
+ FM_DRV_RX_SEEK_TIMEOUT);
+ if (!timeleft) {
+ fmerr("Timeout(%d sec),didn't get tune ended int\n",
+ jiffies_to_msecs(FM_DRV_RX_SEEK_TIMEOUT) / 1000);
+ return -ETIMEDOUT;
+ }
+
+ int_reason = fmdev->irq_info.flag & (FM_TUNE_COMPLETE | FM_BAND_LIMIT);
+
+ /* Re-enable default FM interrupts */
+ fmdev->irq_info.mask = intr_flag;
+ payload = fmdev->irq_info.mask;
+ ret = fmc_send_cmd(fmdev, INT_MASK_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ if (int_reason & FM_BL_EVENT) {
+ if (wrap_around == 0) {
+ fmdev->rx.freq = seek_upward ?
+ fmdev->rx.region.top_freq :
+ fmdev->rx.region.bot_freq;
+ } else {
+ fmdev->rx.freq = seek_upward ?
+ fmdev->rx.region.bot_freq :
+ fmdev->rx.region.top_freq;
+ /* Calculate frequency index to write */
+ next_frq = (fmdev->rx.freq -
+ fmdev->rx.region.bot_freq) / FM_FREQ_MUL;
+ goto again;
+ }
+ } else {
+ /* Read freq to know where operation tune operation stopped */
+ ret = fmc_send_cmd(fmdev, FREQ_SET, REG_RD, NULL, 2,
+ &curr_frq, &resp_len);
+ if (ret < 0)
+ return ret;
+
+ curr_frq = be16_to_cpu(curr_frq);
+ fmdev->rx.freq = (fmdev->rx.region.bot_freq +
+ ((u32)curr_frq * FM_FREQ_MUL));
+
+ }
+ /* Reset RDS cache and current station pointers */
+ fm_rx_reset_rds_cache(fmdev);
+ fm_rx_reset_station_info(fmdev);
+
+ return ret;
+}
+
+u32 fm_rx_set_volume(struct fmdev *fmdev, u16 vol_to_set)
+{
+ u16 payload;
+ u32 ret;
+
+ if (fmdev->curr_fmmode != FM_MODE_RX)
+ return -EPERM;
+
+ if (vol_to_set < FM_RX_VOLUME_MIN || vol_to_set > FM_RX_VOLUME_MAX) {
+ fmerr("Volume is not within(%d-%d) range\n",
+ FM_RX_VOLUME_MIN, FM_RX_VOLUME_MAX);
+ return -EINVAL;
+ }
+ vol_to_set *= FM_RX_VOLUME_GAIN_STEP;
+
+ payload = vol_to_set;
+ ret = fmc_send_cmd(fmdev, VOLUME_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ fmdev->rx.volume = vol_to_set;
+ return ret;
+}
+
+/* Get volume */
+u32 fm_rx_get_volume(struct fmdev *fmdev, u16 *curr_vol)
+{
+ if (fmdev->curr_fmmode != FM_MODE_RX)
+ return -EPERM;
+
+ if (curr_vol == NULL) {
+ fmerr("Invalid memory\n");
+ return -ENOMEM;
+ }
+
+ *curr_vol = fmdev->rx.volume / FM_RX_VOLUME_GAIN_STEP;
+
+ return 0;
+}
+
+/* To get current band's bottom and top frequency */
+u32 fm_rx_get_band_freq_range(struct fmdev *fmdev, u32 *bot_freq, u32 *top_freq)
+{
+ if (bot_freq != NULL)
+ *bot_freq = fmdev->rx.region.bot_freq;
+
+ if (top_freq != NULL)
+ *top_freq = fmdev->rx.region.top_freq;
+
+ return 0;
+}
+
+/* Returns current band index (0-Europe/US; 1-Japan) */
+void fm_rx_get_region(struct fmdev *fmdev, u8 *region)
+{
+ *region = fmdev->rx.region.fm_band;
+}
+
+/* Sets band (0-Europe/US; 1-Japan) */
+u32 fm_rx_set_region(struct fmdev *fmdev, u8 region_to_set)
+{
+ u16 payload;
+ u32 new_frq = 0;
+ u32 ret;
+
+ if (region_to_set != FM_BAND_EUROPE_US &&
+ region_to_set != FM_BAND_JAPAN) {
+ fmerr("Invalid band\n");
+ return -EINVAL;
+ }
+
+ if (fmdev->rx.region.fm_band == region_to_set) {
+ fmerr("Requested band is already configured\n");
+ return 0;
+ }
+
+ /* Send cmd to set the band */
+ payload = (u16)region_to_set;
+ ret = fmc_send_cmd(fmdev, BAND_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ fmc_update_region_info(fmdev, region_to_set);
+
+ /* Check whether current RX frequency is within band boundary */
+ if (fmdev->rx.freq < fmdev->rx.region.bot_freq)
+ new_frq = fmdev->rx.region.bot_freq;
+ else if (fmdev->rx.freq > fmdev->rx.region.top_freq)
+ new_frq = fmdev->rx.region.top_freq;
+
+ if (new_frq) {
+ fmdbg("Current freq is not within band limit boundary,"
+ "switching to %d KHz\n", new_frq);
+ /* Current RX frequency is not in range. So, update it */
+ ret = fm_rx_set_freq(fmdev, new_frq);
+ }
+
+ return ret;
+}
+
+/* Reads current mute mode (Mute Off/On/Attenuate)*/
+u32 fm_rx_get_mute_mode(struct fmdev *fmdev, u8 *curr_mute_mode)
+{
+ if (fmdev->curr_fmmode != FM_MODE_RX)
+ return -EPERM;
+
+ if (curr_mute_mode == NULL) {
+ fmerr("Invalid memory\n");
+ return -ENOMEM;
+ }
+
+ *curr_mute_mode = fmdev->rx.mute_mode;
+
+ return 0;
+}
+
+static u32 fm_config_rx_mute_reg(struct fmdev *fmdev)
+{
+ u16 payload, muteval;
+ u32 ret;
+
+ muteval = 0;
+ switch (fmdev->rx.mute_mode) {
+ case FM_MUTE_ON:
+ muteval = FM_RX_AC_MUTE_MODE;
+ break;
+
+ case FM_MUTE_OFF:
+ muteval = FM_RX_UNMUTE_MODE;
+ break;
+
+ case FM_MUTE_ATTENUATE:
+ muteval = FM_RX_SOFT_MUTE_FORCE_MODE;
+ break;
+ }
+ if (fmdev->rx.rf_depend_mute == FM_RX_RF_DEPENDENT_MUTE_ON)
+ muteval |= FM_RX_RF_DEP_MODE;
+ else
+ muteval &= ~FM_RX_RF_DEP_MODE;
+
+ payload = muteval;
+ ret = fmc_send_cmd(fmdev, MUTE_STATUS_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+/* Configures mute mode (Mute Off/On/Attenuate) */
+u32 fm_rx_set_mute_mode(struct fmdev *fmdev, u8 mute_mode_toset)
+{
+ u8 org_state;
+ u32 ret;
+
+ if (fmdev->rx.mute_mode == mute_mode_toset)
+ return 0;
+
+ org_state = fmdev->rx.mute_mode;
+ fmdev->rx.mute_mode = mute_mode_toset;
+
+ ret = fm_config_rx_mute_reg(fmdev);
+ if (ret < 0) {
+ fmdev->rx.mute_mode = org_state;
+ return ret;
+ }
+
+ return 0;
+}
+
+/* Gets RF dependent soft mute mode enable/disable status */
+u32 fm_rx_get_rfdepend_softmute(struct fmdev *fmdev, u8 *curr_mute_mode)
+{
+ if (fmdev->curr_fmmode != FM_MODE_RX)
+ return -EPERM;
+
+ if (curr_mute_mode == NULL) {
+ fmerr("Invalid memory\n");
+ return -ENOMEM;
+ }
+
+ *curr_mute_mode = fmdev->rx.rf_depend_mute;
+
+ return 0;
+}
+
+/* Sets RF dependent soft mute mode */
+u32 fm_rx_set_rfdepend_softmute(struct fmdev *fmdev, u8 rfdepend_mute)
+{
+ u8 org_state;
+ u32 ret;
+
+ if (fmdev->curr_fmmode != FM_MODE_RX)
+ return -EPERM;
+
+ if (rfdepend_mute != FM_RX_RF_DEPENDENT_MUTE_ON &&
+ rfdepend_mute != FM_RX_RF_DEPENDENT_MUTE_OFF) {
+ fmerr("Invalid RF dependent soft mute\n");
+ return -EINVAL;
+ }
+ if (fmdev->rx.rf_depend_mute == rfdepend_mute)
+ return 0;
+
+ org_state = fmdev->rx.rf_depend_mute;
+ fmdev->rx.rf_depend_mute = rfdepend_mute;
+
+ ret = fm_config_rx_mute_reg(fmdev);
+ if (ret < 0) {
+ fmdev->rx.rf_depend_mute = org_state;
+ return ret;
+ }
+
+ return 0;
+}
+
+/* Returns the signal strength level of current channel */
+u32 fm_rx_get_rssi_level(struct fmdev *fmdev, u16 *rssilvl)
+{
+ u16 curr_rssi_lel;
+ u32 resp_len;
+ u32 ret;
+
+ if (rssilvl == NULL) {
+ fmerr("Invalid memory\n");
+ return -ENOMEM;
+ }
+ /* Read current RSSI level */
+ ret = fmc_send_cmd(fmdev, RSSI_LVL_GET, REG_RD, NULL, 2,
+ &curr_rssi_lel, &resp_len);
+ if (ret < 0)
+ return ret;
+
+ *rssilvl = be16_to_cpu(curr_rssi_lel);
+
+ return 0;
+}
+
+/*
+ * Sets the signal strength level that once reached
+ * will stop the auto search process
+ */
+u32 fm_rx_set_rssi_threshold(struct fmdev *fmdev, short rssi_lvl_toset)
+{
+ u16 payload;
+ u32 ret;
+
+ if (rssi_lvl_toset < FM_RX_RSSI_THRESHOLD_MIN ||
+ rssi_lvl_toset > FM_RX_RSSI_THRESHOLD_MAX) {
+ fmerr("Invalid RSSI threshold level\n");
+ return -EINVAL;
+ }
+ payload = (u16)rssi_lvl_toset;
+ ret = fmc_send_cmd(fmdev, SEARCH_LVL_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ fmdev->rx.rssi_threshold = rssi_lvl_toset;
+
+ return 0;
+}
+
+/* Returns current RX RSSI threshold value */
+u32 fm_rx_get_rssi_threshold(struct fmdev *fmdev, short *curr_rssi_lvl)
+{
+ if (fmdev->curr_fmmode != FM_MODE_RX)
+ return -EPERM;
+
+ if (curr_rssi_lvl == NULL) {
+ fmerr("Invalid memory\n");
+ return -ENOMEM;
+ }
+
+ *curr_rssi_lvl = fmdev->rx.rssi_threshold;
+
+ return 0;
+}
+
+/* Sets RX stereo/mono modes */
+u32 fm_rx_set_stereo_mono(struct fmdev *fmdev, u16 mode)
+{
+ u16 payload;
+ u32 ret;
+
+ if (mode != FM_STEREO_MODE && mode != FM_MONO_MODE) {
+ fmerr("Invalid mode\n");
+ return -EINVAL;
+ }
+
+ /* Set stereo/mono mode */
+ payload = (u16)mode;
+ ret = fmc_send_cmd(fmdev, MOST_MODE_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* Set stereo blending mode */
+ payload = FM_STEREO_SOFT_BLEND;
+ ret = fmc_send_cmd(fmdev, MOST_BLEND_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+/* Gets current RX stereo/mono mode */
+u32 fm_rx_get_stereo_mono(struct fmdev *fmdev, u16 *mode)
+{
+ u16 curr_mode;
+ u32 ret, resp_len;
+
+ if (mode == NULL) {
+ fmerr("Invalid memory\n");
+ return -ENOMEM;
+ }
+
+ ret = fmc_send_cmd(fmdev, MOST_MODE_SET, REG_RD, NULL, 2,
+ &curr_mode, &resp_len);
+ if (ret < 0)
+ return ret;
+
+ *mode = be16_to_cpu(curr_mode);
+
+ return 0;
+}
+
+/* Choose RX de-emphasis filter mode (50us/75us) */
+u32 fm_rx_set_deemphasis_mode(struct fmdev *fmdev, u16 mode)
+{
+ u16 payload;
+ u32 ret;
+
+ if (fmdev->curr_fmmode != FM_MODE_RX)
+ return -EPERM;
+
+ if (mode != FM_RX_EMPHASIS_FILTER_50_USEC &&
+ mode != FM_RX_EMPHASIS_FILTER_75_USEC) {
+ fmerr("Invalid rx de-emphasis mode (%d)\n", mode);
+ return -EINVAL;
+ }
+
+ payload = mode;
+ ret = fmc_send_cmd(fmdev, DEMPH_MODE_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ fmdev->rx.deemphasis_mode = mode;
+
+ return 0;
+}
+
+/* Gets current RX de-emphasis filter mode */
+u32 fm_rx_get_deemph_mode(struct fmdev *fmdev, u16 *curr_deemphasis_mode)
+{
+ if (fmdev->curr_fmmode != FM_MODE_RX)
+ return -EPERM;
+
+ if (curr_deemphasis_mode == NULL) {
+ fmerr("Invalid memory\n");
+ return -ENOMEM;
+ }
+
+ *curr_deemphasis_mode = fmdev->rx.deemphasis_mode;
+
+ return 0;
+}
+
+/* Enable/Disable RX RDS */
+u32 fm_rx_set_rds_mode(struct fmdev *fmdev, u8 rds_en_dis)
+{
+ u16 payload;
+ u32 ret;
+
+ if (rds_en_dis != FM_RDS_ENABLE && rds_en_dis != FM_RDS_DISABLE) {
+ fmerr("Invalid rds option\n");
+ return -EINVAL;
+ }
+
+ if (rds_en_dis == FM_RDS_ENABLE
+ && fmdev->rx.rds.flag == FM_RDS_DISABLE) {
+ /* Turn on RX RDS and RDS circuit */
+ payload = FM_RX_PWR_SET_FM_AND_RDS_BLK_ON;
+ ret = fmc_send_cmd(fmdev, POWER_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* Clear and reset RDS FIFO */
+ payload = FM_RX_RDS_FLUSH_FIFO;
+ ret = fmc_send_cmd(fmdev, RDS_CNTRL_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* Read flags - just to clear any pending interrupts. */
+ ret = fmc_send_cmd(fmdev, FLAG_GET, REG_RD, NULL, 2,
+ NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* Set RDS FIFO threshold value */
+ payload = FM_RX_RDS_FIFO_THRESHOLD;
+ ret = fmc_send_cmd(fmdev, RDS_MEM_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* Enable RDS interrupt */
+ fmdev->irq_info.mask |= FM_RDS_EVENT;
+ payload = fmdev->irq_info.mask;
+ ret = fmc_send_cmd(fmdev, INT_MASK_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0) {
+ fmdev->irq_info.mask &= ~FM_RDS_EVENT;
+ return ret;
+ }
+
+ /* Update our local flag */
+ fmdev->rx.rds.flag = FM_RDS_ENABLE;
+ } else if (rds_en_dis == FM_RDS_DISABLE
+ && fmdev->rx.rds.flag == FM_RDS_ENABLE) {
+ /* Turn off RX RDS */
+ payload = FM_RX_PWR_SET_FM_ON_RDS_OFF;
+ ret = fmc_send_cmd(fmdev, POWER_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* Reset RDS pointers */
+ fmdev->rx.rds.last_blk_idx = 0;
+ fmdev->rx.rds.wr_idx = 0;
+ fmdev->rx.rds.rd_idx = 0;
+ fm_rx_reset_station_info(fmdev);
+
+ /* Update RDS local cache */
+ fmdev->irq_info.mask &= ~(FM_RDS_EVENT);
+ fmdev->rx.rds.flag = FM_RDS_DISABLE;
+ }
+
+ return 0;
+}
+
+/* Returns current RX RDS enable/disable status */
+u32 fm_rx_get_rds_mode(struct fmdev *fmdev, u8 *curr_rds_en_dis)
+{
+ if (fmdev->curr_fmmode != FM_MODE_RX)
+ return -EPERM;
+
+ if (curr_rds_en_dis == NULL) {
+ fmerr("Invalid memory\n");
+ return -ENOMEM;
+ }
+
+ *curr_rds_en_dis = fmdev->rx.rds.flag;
+
+ return 0;
+}
+
+/* Sets RDS operation mode (RDS/RDBS) */
+u32 fm_rx_set_rds_system(struct fmdev *fmdev, u8 rds_mode)
+{
+ u16 payload;
+ u32 ret;
+
+ if (fmdev->curr_fmmode != FM_MODE_RX)
+ return -EPERM;
+
+ if (rds_mode != FM_RDS_SYSTEM_RDS && rds_mode != FM_RDS_SYSTEM_RBDS) {
+ fmerr("Invalid rds mode\n");
+ return -EINVAL;
+ }
+ /* Set RDS operation mode */
+ payload = (u16)rds_mode;
+ ret = fmc_send_cmd(fmdev, RDS_SYSTEM_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ fmdev->rx.rds_mode = rds_mode;
+
+ return 0;
+}
+
+/* Returns current RDS operation mode */
+u32 fm_rx_get_rds_system(struct fmdev *fmdev, u8 *rds_mode)
+{
+ if (fmdev->curr_fmmode != FM_MODE_RX)
+ return -EPERM;
+
+ if (rds_mode == NULL) {
+ fmerr("Invalid memory\n");
+ return -ENOMEM;
+ }
+
+ *rds_mode = fmdev->rx.rds_mode;
+
+ return 0;
+}
+
+/* Configures Alternate Frequency switch mode */
+u32 fm_rx_set_af_switch(struct fmdev *fmdev, u8 af_mode)
+{
+ u16 payload;
+ u32 ret;
+
+ if (fmdev->curr_fmmode != FM_MODE_RX)
+ return -EPERM;
+
+ if (af_mode != FM_RX_RDS_AF_SWITCH_MODE_ON &&
+ af_mode != FM_RX_RDS_AF_SWITCH_MODE_OFF) {
+ fmerr("Invalid af mode\n");
+ return -EINVAL;
+ }
+ /* Enable/disable low RSSI interrupt based on af_mode */
+ if (af_mode == FM_RX_RDS_AF_SWITCH_MODE_ON)
+ fmdev->irq_info.mask |= FM_LEV_EVENT;
+ else
+ fmdev->irq_info.mask &= ~FM_LEV_EVENT;
+
+ payload = fmdev->irq_info.mask;
+ ret = fmc_send_cmd(fmdev, INT_MASK_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ fmdev->rx.af_mode = af_mode;
+
+ return 0;
+}
+
+/* Returns Alternate Frequency switch status */
+u32 fm_rx_get_af_switch(struct fmdev *fmdev, u8 *af_mode)
+{
+ if (fmdev->curr_fmmode != FM_MODE_RX)
+ return -EPERM;
+
+ if (af_mode == NULL) {
+ fmerr("Invalid memory\n");
+ return -ENOMEM;
+ }
+
+ *af_mode = fmdev->rx.af_mode;
+
+ return 0;
+}
diff --git a/drivers/media/radio/wl128x/fmdrv_rx.h b/drivers/media/radio/wl128x/fmdrv_rx.h
new file mode 100644
index 00000000000..329e62f6be7
--- /dev/null
+++ b/drivers/media/radio/wl128x/fmdrv_rx.h
@@ -0,0 +1,59 @@
+/*
+ * FM Driver for Connectivity chip of Texas Instruments.
+ * FM RX module header.
+ *
+ * Copyright (C) 2011 Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef _FMDRV_RX_H
+#define _FMDRV_RX_H
+
+u32 fm_rx_set_freq(struct fmdev *, u32);
+u32 fm_rx_set_mute_mode(struct fmdev *, u8);
+u32 fm_rx_set_stereo_mono(struct fmdev *, u16);
+u32 fm_rx_set_rds_mode(struct fmdev *, u8);
+u32 fm_rx_set_rds_system(struct fmdev *, u8);
+u32 fm_rx_set_volume(struct fmdev *, u16);
+u32 fm_rx_set_rssi_threshold(struct fmdev *, short);
+u32 fm_rx_set_region(struct fmdev *, u8);
+u32 fm_rx_set_rfdepend_softmute(struct fmdev *, u8);
+u32 fm_rx_set_deemphasis_mode(struct fmdev *, u16);
+u32 fm_rx_set_af_switch(struct fmdev *, u8);
+
+void fm_rx_reset_rds_cache(struct fmdev *);
+void fm_rx_reset_station_info(struct fmdev *);
+
+u32 fm_rx_seek(struct fmdev *, u32, u32, u32);
+
+u32 fm_rx_get_rds_mode(struct fmdev *, u8 *);
+u32 fm_rx_get_rds_system(struct fmdev *, u8 *);
+u32 fm_rx_get_mute_mode(struct fmdev *, u8 *);
+u32 fm_rx_get_volume(struct fmdev *, u16 *);
+u32 fm_rx_get_band_freq_range(struct fmdev *,
+ u32 *, u32 *);
+u32 fm_rx_get_stereo_mono(struct fmdev *, u16 *);
+u32 fm_rx_get_rssi_level(struct fmdev *, u16 *);
+u32 fm_rx_get_rssi_threshold(struct fmdev *, short *);
+u32 fm_rx_get_rfdepend_softmute(struct fmdev *, u8 *);
+u32 fm_rx_get_deemph_mode(struct fmdev *, u16 *);
+u32 fm_rx_get_af_switch(struct fmdev *, u8 *);
+void fm_rx_get_region(struct fmdev *, u8 *);
+
+u32 fm_rx_set_chanl_spacing(struct fmdev *, u8);
+u32 fm_rx_get_chanl_spacing(struct fmdev *, u8 *);
+#endif
+
diff --git a/drivers/media/radio/wl128x/fmdrv_tx.c b/drivers/media/radio/wl128x/fmdrv_tx.c
new file mode 100644
index 00000000000..be54068b56a
--- /dev/null
+++ b/drivers/media/radio/wl128x/fmdrv_tx.c
@@ -0,0 +1,425 @@
+/*
+ * FM Driver for Connectivity chip of Texas Instruments.
+ * This sub-module of FM driver implements FM TX functionality.
+ *
+ * Copyright (C) 2011 Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <linux/delay.h>
+#include "fmdrv.h"
+#include "fmdrv_common.h"
+#include "fmdrv_tx.h"
+
+u32 fm_tx_set_stereo_mono(struct fmdev *fmdev, u16 mode)
+{
+ u16 payload;
+ u32 ret;
+
+ if (fmdev->tx_data.aud_mode == mode)
+ return 0;
+
+ fmdbg("stereo mode: %d\n", mode);
+
+ /* Set Stereo/Mono mode */
+ payload = (1 - mode);
+ ret = fmc_send_cmd(fmdev, MONO_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ fmdev->tx_data.aud_mode = mode;
+
+ return ret;
+}
+
+static u32 set_rds_text(struct fmdev *fmdev, u8 *rds_text)
+{
+ u16 payload;
+ u32 ret;
+
+ ret = fmc_send_cmd(fmdev, RDS_DATA_SET, REG_WR, rds_text,
+ strlen(rds_text), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* Scroll mode */
+ payload = (u16)0x1;
+ ret = fmc_send_cmd(fmdev, DISPLAY_MODE, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static u32 set_rds_data_mode(struct fmdev *fmdev, u8 mode)
+{
+ u16 payload;
+ u32 ret;
+
+ /* Setting unique PI TODO: how unique? */
+ payload = (u16)0xcafe;
+ ret = fmc_send_cmd(fmdev, PI_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* Set decoder id */
+ payload = (u16)0xa;
+ ret = fmc_send_cmd(fmdev, DI_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* TODO: RDS_MODE_GET? */
+ return 0;
+}
+
+static u32 set_rds_len(struct fmdev *fmdev, u8 type, u16 len)
+{
+ u16 payload;
+ u32 ret;
+
+ len |= type << 8;
+ payload = len;
+ ret = fmc_send_cmd(fmdev, RDS_CONFIG_DATA_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* TODO: LENGTH_GET? */
+ return 0;
+}
+
+u32 fm_tx_set_rds_mode(struct fmdev *fmdev, u8 rds_en_dis)
+{
+ u16 payload;
+ u32 ret;
+ u8 rds_text[] = "Zoom2\n";
+
+ fmdbg("rds_en_dis:%d(E:%d, D:%d)\n", rds_en_dis,
+ FM_RDS_ENABLE, FM_RDS_DISABLE);
+
+ if (rds_en_dis == FM_RDS_ENABLE) {
+ /* Set RDS length */
+ set_rds_len(fmdev, 0, strlen(rds_text));
+
+ /* Set RDS text */
+ set_rds_text(fmdev, rds_text);
+
+ /* Set RDS mode */
+ set_rds_data_mode(fmdev, 0x0);
+ }
+
+ /* Send command to enable RDS */
+ if (rds_en_dis == FM_RDS_ENABLE)
+ payload = 0x01;
+ else
+ payload = 0x00;
+
+ ret = fmc_send_cmd(fmdev, RDS_DATA_ENB, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ if (rds_en_dis == FM_RDS_ENABLE) {
+ /* Set RDS length */
+ set_rds_len(fmdev, 0, strlen(rds_text));
+
+ /* Set RDS text */
+ set_rds_text(fmdev, rds_text);
+ }
+ fmdev->tx_data.rds.flag = rds_en_dis;
+
+ return 0;
+}
+
+u32 fm_tx_set_radio_text(struct fmdev *fmdev, u8 *rds_text, u8 rds_type)
+{
+ u16 payload;
+ u32 ret;
+
+ if (fmdev->curr_fmmode != FM_MODE_TX)
+ return -EPERM;
+
+ fm_tx_set_rds_mode(fmdev, 0);
+
+ /* Set RDS length */
+ set_rds_len(fmdev, rds_type, strlen(rds_text));
+
+ /* Set RDS text */
+ set_rds_text(fmdev, rds_text);
+
+ /* Set RDS mode */
+ set_rds_data_mode(fmdev, 0x0);
+
+ payload = 1;
+ ret = fmc_send_cmd(fmdev, RDS_DATA_ENB, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+u32 fm_tx_set_af(struct fmdev *fmdev, u32 af)
+{
+ u16 payload;
+ u32 ret;
+
+ if (fmdev->curr_fmmode != FM_MODE_TX)
+ return -EPERM;
+
+ fmdbg("AF: %d\n", af);
+
+ af = (af - 87500) / 100;
+ payload = (u16)af;
+ ret = fmc_send_cmd(fmdev, TA_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+u32 fm_tx_set_region(struct fmdev *fmdev, u8 region)
+{
+ u16 payload;
+ u32 ret;
+
+ if (region != FM_BAND_EUROPE_US && region != FM_BAND_JAPAN) {
+ fmerr("Invalid band\n");
+ return -EINVAL;
+ }
+
+ /* Send command to set the band */
+ payload = (u16)region;
+ ret = fmc_send_cmd(fmdev, TX_BAND_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+u32 fm_tx_set_mute_mode(struct fmdev *fmdev, u8 mute_mode_toset)
+{
+ u16 payload;
+ u32 ret;
+
+ fmdbg("tx: mute mode %d\n", mute_mode_toset);
+
+ payload = mute_mode_toset;
+ ret = fmc_send_cmd(fmdev, MUTE, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+/* Set TX Audio I/O */
+static u32 set_audio_io(struct fmdev *fmdev)
+{
+ struct fmtx_data *tx = &fmdev->tx_data;
+ u16 payload;
+ u32 ret;
+
+ /* Set Audio I/O Enable */
+ payload = tx->audio_io;
+ ret = fmc_send_cmd(fmdev, AUDIO_IO_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* TODO: is audio set? */
+ return 0;
+}
+
+/* Start TX Transmission */
+static u32 enable_xmit(struct fmdev *fmdev, u8 new_xmit_state)
+{
+ struct fmtx_data *tx = &fmdev->tx_data;
+ unsigned long timeleft;
+ u16 payload;
+ u32 ret;
+
+ /* Enable POWER_ENB interrupts */
+ payload = FM_POW_ENB_EVENT;
+ ret = fmc_send_cmd(fmdev, INT_MASK_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* Set Power Enable */
+ payload = new_xmit_state;
+ ret = fmc_send_cmd(fmdev, POWER_ENB_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* Wait for Power Enabled */
+ init_completion(&fmdev->maintask_comp);
+ timeleft = wait_for_completion_timeout(&fmdev->maintask_comp,
+ FM_DRV_TX_TIMEOUT);
+ if (!timeleft) {
+ fmerr("Timeout(%d sec),didn't get tune ended interrupt\n",
+ jiffies_to_msecs(FM_DRV_TX_TIMEOUT) / 1000);
+ return -ETIMEDOUT;
+ }
+
+ set_bit(FM_CORE_TX_XMITING, &fmdev->flag);
+ tx->xmit_state = new_xmit_state;
+
+ return 0;
+}
+
+/* Set TX power level */
+u32 fm_tx_set_pwr_lvl(struct fmdev *fmdev, u8 new_pwr_lvl)
+{
+ u16 payload;
+ struct fmtx_data *tx = &fmdev->tx_data;
+ u32 ret;
+
+ if (fmdev->curr_fmmode != FM_MODE_TX)
+ return -EPERM;
+ fmdbg("tx: pwr_level_to_set %ld\n", (long int)new_pwr_lvl);
+
+ /* If the core isn't ready update global variable */
+ if (!test_bit(FM_CORE_READY, &fmdev->flag)) {
+ tx->pwr_lvl = new_pwr_lvl;
+ return 0;
+ }
+
+ /* Set power level: Application will specify power level value in
+ * units of dB/uV, whereas range and step are specific to FM chip.
+ * For TI's WL chips, convert application specified power level value
+ * to chip specific value by subtracting 122 from it. Refer to TI FM
+ * data sheet for details.
+ * */
+
+ payload = (FM_PWR_LVL_HIGH - new_pwr_lvl);
+ ret = fmc_send_cmd(fmdev, POWER_LEV_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ /* TODO: is the power level set? */
+ tx->pwr_lvl = new_pwr_lvl;
+
+ return 0;
+}
+
+/*
+ * Sets FM TX pre-emphasis filter value (OFF, 50us, or 75us)
+ * Convert V4L2 specified filter values to chip specific filter values.
+ */
+u32 fm_tx_set_preemph_filter(struct fmdev *fmdev, u32 preemphasis)
+{
+ struct fmtx_data *tx = &fmdev->tx_data;
+ u16 payload;
+ u32 ret;
+
+ if (fmdev->curr_fmmode != FM_MODE_TX)
+ return -EPERM;
+
+ switch (preemphasis) {
+ case V4L2_PREEMPHASIS_DISABLED:
+ payload = FM_TX_PREEMPH_OFF;
+ break;
+ case V4L2_PREEMPHASIS_50_uS:
+ payload = FM_TX_PREEMPH_50US;
+ break;
+ case V4L2_PREEMPHASIS_75_uS:
+ payload = FM_TX_PREEMPH_75US;
+ break;
+ }
+
+ ret = fmc_send_cmd(fmdev, PREMPH_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ tx->preemph = payload;
+
+ return ret;
+}
+
+/* Get the TX tuning capacitor value.*/
+u32 fm_tx_get_tune_cap_val(struct fmdev *fmdev)
+{
+ u16 curr_val;
+ u32 ret, resp_len;
+
+ if (fmdev->curr_fmmode != FM_MODE_TX)
+ return -EPERM;
+
+ ret = fmc_send_cmd(fmdev, READ_FMANT_TUNE_VALUE, REG_RD,
+ NULL, sizeof(curr_val), &curr_val, &resp_len);
+ if (ret < 0)
+ return ret;
+
+ curr_val = be16_to_cpu(curr_val);
+
+ return curr_val;
+}
+
+/* Set TX Frequency */
+u32 fm_tx_set_freq(struct fmdev *fmdev, u32 freq_to_set)
+{
+ struct fmtx_data *tx = &fmdev->tx_data;
+ u16 payload, chanl_index;
+ u32 ret;
+
+ if (test_bit(FM_CORE_TX_XMITING, &fmdev->flag)) {
+ enable_xmit(fmdev, 0);
+ clear_bit(FM_CORE_TX_XMITING, &fmdev->flag);
+ }
+
+ /* Enable FR, BL interrupts */
+ payload = (FM_FR_EVENT | FM_BL_EVENT);
+ ret = fmc_send_cmd(fmdev, INT_MASK_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ tx->tx_frq = (unsigned long)freq_to_set;
+ fmdbg("tx: freq_to_set %ld\n", (long int)tx->tx_frq);
+
+ chanl_index = freq_to_set / 10;
+
+ /* Set current tuner channel */
+ payload = chanl_index;
+ ret = fmc_send_cmd(fmdev, CHANL_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ fm_tx_set_pwr_lvl(fmdev, tx->pwr_lvl);
+ fm_tx_set_preemph_filter(fmdev, tx->preemph);
+
+ tx->audio_io = 0x01; /* I2S */
+ set_audio_io(fmdev);
+
+ enable_xmit(fmdev, 0x01); /* Enable transmission */
+
+ tx->aud_mode = FM_STEREO_MODE;
+ tx->rds.flag = FM_RDS_DISABLE;
+
+ return 0;
+}
+
diff --git a/drivers/media/radio/wl128x/fmdrv_tx.h b/drivers/media/radio/wl128x/fmdrv_tx.h
new file mode 100644
index 00000000000..e393a2bdd49
--- /dev/null
+++ b/drivers/media/radio/wl128x/fmdrv_tx.h
@@ -0,0 +1,37 @@
+/*
+ * FM Driver for Connectivity chip of Texas Instruments.
+ * FM TX module header.
+ *
+ * Copyright (C) 2011 Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef _FMDRV_TX_H
+#define _FMDRV_TX_H
+
+u32 fm_tx_set_freq(struct fmdev *, u32);
+u32 fm_tx_set_pwr_lvl(struct fmdev *, u8);
+u32 fm_tx_set_region(struct fmdev *, u8);
+u32 fm_tx_set_mute_mode(struct fmdev *, u8);
+u32 fm_tx_set_stereo_mono(struct fmdev *, u16);
+u32 fm_tx_set_rds_mode(struct fmdev *, u8);
+u32 fm_tx_set_radio_text(struct fmdev *, u8 *, u8);
+u32 fm_tx_set_af(struct fmdev *, u32);
+u32 fm_tx_set_preemph_filter(struct fmdev *, u32);
+u32 fm_tx_get_tune_cap_val(struct fmdev *);
+
+#endif
+
diff --git a/drivers/media/radio/wl128x/fmdrv_v4l2.c b/drivers/media/radio/wl128x/fmdrv_v4l2.c
new file mode 100644
index 00000000000..d50e5ac75ab
--- /dev/null
+++ b/drivers/media/radio/wl128x/fmdrv_v4l2.c
@@ -0,0 +1,580 @@
+/*
+ * FM Driver for Connectivity chip of Texas Instruments.
+ * This file provides interfaces to V4L2 subsystem.
+ *
+ * This module registers with V4L2 subsystem as Radio
+ * data system interface (/dev/radio). During the registration,
+ * it will expose two set of function pointers.
+ *
+ * 1) File operation related API (open, close, read, write, poll...etc).
+ * 2) Set of V4L2 IOCTL complaint API.
+ *
+ * Copyright (C) 2011 Texas Instruments
+ * Author: Raja Mani <raja_mani@ti.com>
+ * Author: Manjunatha Halli <manjunatha_halli@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "fmdrv.h"
+#include "fmdrv_v4l2.h"
+#include "fmdrv_common.h"
+#include "fmdrv_rx.h"
+#include "fmdrv_tx.h"
+
+static struct video_device *gradio_dev;
+static u8 radio_disconnected;
+
+/* -- V4L2 RADIO (/dev/radioX) device file operation interfaces --- */
+
+/* Read RX RDS data */
+static ssize_t fm_v4l2_fops_read(struct file *file, char __user * buf,
+ size_t count, loff_t *ppos)
+{
+ u8 rds_mode;
+ int ret;
+ struct fmdev *fmdev;
+
+ fmdev = video_drvdata(file);
+
+ if (!radio_disconnected) {
+ fmerr("FM device is already disconnected\n");
+ return -EIO;
+ }
+
+ /* Turn on RDS mode , if it is disabled */
+ ret = fm_rx_get_rds_mode(fmdev, &rds_mode);
+ if (ret < 0) {
+ fmerr("Unable to read current rds mode\n");
+ return ret;
+ }
+
+ if (rds_mode == FM_RDS_DISABLE) {
+ ret = fmc_set_rds_mode(fmdev, FM_RDS_ENABLE);
+ if (ret < 0) {
+ fmerr("Failed to enable rds mode\n");
+ return ret;
+ }
+ }
+
+ /* Copy RDS data from internal buffer to user buffer */
+ return fmc_transfer_rds_from_internal_buff(fmdev, file, buf, count);
+}
+
+/* Write TX RDS data */
+static ssize_t fm_v4l2_fops_write(struct file *file, const char __user * buf,
+ size_t count, loff_t *ppos)
+{
+ struct tx_rds rds;
+ int ret;
+ struct fmdev *fmdev;
+
+ ret = copy_from_user(&rds, buf, sizeof(rds));
+ fmdbg("(%d)type: %d, text %s, af %d\n",
+ ret, rds.text_type, rds.text, rds.af_freq);
+
+ fmdev = video_drvdata(file);
+ fm_tx_set_radio_text(fmdev, rds.text, rds.text_type);
+ fm_tx_set_af(fmdev, rds.af_freq);
+
+ return 0;
+}
+
+static u32 fm_v4l2_fops_poll(struct file *file, struct poll_table_struct *pts)
+{
+ int ret;
+ struct fmdev *fmdev;
+
+ fmdev = video_drvdata(file);
+ ret = fmc_is_rds_data_available(fmdev, file, pts);
+ if (ret < 0)
+ return POLLIN | POLLRDNORM;
+
+ return 0;
+}
+
+/*
+ * Handle open request for "/dev/radioX" device.
+ * Start with FM RX mode as default.
+ */
+static int fm_v4l2_fops_open(struct file *file)
+{
+ int ret;
+ struct fmdev *fmdev = NULL;
+
+ /* Don't allow multiple open */
+ if (radio_disconnected) {
+ fmerr("FM device is already opened\n");
+ return -EBUSY;
+ }
+
+ fmdev = video_drvdata(file);
+
+ ret = fmc_prepare(fmdev);
+ if (ret < 0) {
+ fmerr("Unable to prepare FM CORE\n");
+ return ret;
+ }
+
+ fmdbg("Load FM RX firmware..\n");
+
+ ret = fmc_set_mode(fmdev, FM_MODE_RX);
+ if (ret < 0) {
+ fmerr("Unable to load FM RX firmware\n");
+ return ret;
+ }
+ radio_disconnected = 1;
+
+ return ret;
+}
+
+static int fm_v4l2_fops_release(struct file *file)
+{
+ int ret;
+ struct fmdev *fmdev;
+
+ fmdev = video_drvdata(file);
+ if (!radio_disconnected) {
+ fmdbg("FM device is already closed\n");
+ return 0;
+ }
+
+ ret = fmc_set_mode(fmdev, FM_MODE_OFF);
+ if (ret < 0) {
+ fmerr("Unable to turn off the chip\n");
+ return ret;
+ }
+
+ ret = fmc_release(fmdev);
+ if (ret < 0) {
+ fmerr("FM CORE release failed\n");
+ return ret;
+ }
+ radio_disconnected = 0;
+
+ return ret;
+}
+
+/* V4L2 RADIO (/dev/radioX) device IOCTL interfaces */
+static int fm_v4l2_vidioc_querycap(struct file *file, void *priv,
+ struct v4l2_capability *capability)
+{
+ strlcpy(capability->driver, FM_DRV_NAME, sizeof(capability->driver));
+ strlcpy(capability->card, FM_DRV_CARD_SHORT_NAME,
+ sizeof(capability->card));
+ sprintf(capability->bus_info, "UART");
+ capability->version = FM_DRV_RADIO_VERSION;
+ capability->capabilities = V4L2_CAP_HW_FREQ_SEEK | V4L2_CAP_TUNER |
+ V4L2_CAP_RADIO | V4L2_CAP_MODULATOR |
+ V4L2_CAP_AUDIO | V4L2_CAP_READWRITE |
+ V4L2_CAP_RDS_CAPTURE;
+
+ return 0;
+}
+
+static int fm_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct fmdev *fmdev = container_of(ctrl->handler,
+ struct fmdev, ctrl_handler);
+
+ switch (ctrl->id) {
+ case V4L2_CID_TUNE_ANTENNA_CAPACITOR:
+ ctrl->val = fm_tx_get_tune_cap_val(fmdev);
+ break;
+ default:
+ fmwarn("%s: Unknown IOCTL: %d\n", __func__, ctrl->id);
+ break;
+ }
+
+ return 0;
+}
+
+static int fm_v4l2_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct fmdev *fmdev = container_of(ctrl->handler,
+ struct fmdev, ctrl_handler);
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_VOLUME: /* set volume */
+ return fm_rx_set_volume(fmdev, (u16)ctrl->val);
+
+ case V4L2_CID_AUDIO_MUTE: /* set mute */
+ return fmc_set_mute_mode(fmdev, (u8)ctrl->val);
+
+ case V4L2_CID_TUNE_POWER_LEVEL:
+ /* set TX power level - ext control */
+ return fm_tx_set_pwr_lvl(fmdev, (u8)ctrl->val);
+
+ case V4L2_CID_TUNE_PREEMPHASIS:
+ return fm_tx_set_preemph_filter(fmdev, (u8) ctrl->val);
+
+ default:
+ return -EINVAL;
+ }
+}
+
+static int fm_v4l2_vidioc_g_audio(struct file *file, void *priv,
+ struct v4l2_audio *audio)
+{
+ memset(audio, 0, sizeof(*audio));
+ strcpy(audio->name, "Radio");
+ audio->capability = V4L2_AUDCAP_STEREO;
+
+ return 0;
+}
+
+static int fm_v4l2_vidioc_s_audio(struct file *file, void *priv,
+ struct v4l2_audio *audio)
+{
+ if (audio->index != 0)
+ return -EINVAL;
+
+ return 0;
+}
+
+/* Get tuner attributes. If current mode is NOT RX, return error */
+static int fm_v4l2_vidioc_g_tuner(struct file *file, void *priv,
+ struct v4l2_tuner *tuner)
+{
+ struct fmdev *fmdev = video_drvdata(file);
+ u32 bottom_freq;
+ u32 top_freq;
+ u16 stereo_mono_mode;
+ u16 rssilvl;
+ int ret;
+
+ if (tuner->index != 0)
+ return -EINVAL;
+
+ if (fmdev->curr_fmmode != FM_MODE_RX)
+ return -EPERM;
+
+ ret = fm_rx_get_band_freq_range(fmdev, &bottom_freq, &top_freq);
+ if (ret != 0)
+ return ret;
+
+ ret = fm_rx_get_stereo_mono(fmdev, &stereo_mono_mode);
+ if (ret != 0)
+ return ret;
+
+ ret = fm_rx_get_rssi_level(fmdev, &rssilvl);
+ if (ret != 0)
+ return ret;
+
+ strcpy(tuner->name, "FM");
+ tuner->type = V4L2_TUNER_RADIO;
+ /* Store rangelow and rangehigh freq in unit of 62.5 Hz */
+ tuner->rangelow = bottom_freq * 16;
+ tuner->rangehigh = top_freq * 16;
+ tuner->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO |
+ ((fmdev->rx.rds.flag == FM_RDS_ENABLE) ? V4L2_TUNER_SUB_RDS : 0);
+ tuner->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_RDS |
+ V4L2_TUNER_CAP_LOW;
+ tuner->audmode = (stereo_mono_mode ?
+ V4L2_TUNER_MODE_MONO : V4L2_TUNER_MODE_STEREO);
+
+ /*
+ * Actual rssi value lies in between -128 to +127.
+ * Convert this range from 0 to 255 by adding +128
+ */
+ rssilvl += 128;
+
+ /*
+ * Return signal strength value should be within 0 to 65535.
+ * Find out correct signal radio by multiplying (65535/255) = 257
+ */
+ tuner->signal = rssilvl * 257;
+ tuner->afc = 0;
+
+ return ret;
+}
+
+/*
+ * Set tuner attributes. If current mode is NOT RX, set to RX.
+ * Currently, we set only audio mode (mono/stereo) and RDS state (on/off).
+ * Should we set other tuner attributes, too?
+ */
+static int fm_v4l2_vidioc_s_tuner(struct file *file, void *priv,
+ struct v4l2_tuner *tuner)
+{
+ struct fmdev *fmdev = video_drvdata(file);
+ u16 aud_mode;
+ u8 rds_mode;
+ int ret;
+
+ if (tuner->index != 0)
+ return -EINVAL;
+
+ aud_mode = (tuner->audmode == V4L2_TUNER_MODE_STEREO) ?
+ FM_STEREO_MODE : FM_MONO_MODE;
+ rds_mode = (tuner->rxsubchans & V4L2_TUNER_SUB_RDS) ?
+ FM_RDS_ENABLE : FM_RDS_DISABLE;
+
+ if (fmdev->curr_fmmode != FM_MODE_RX) {
+ ret = fmc_set_mode(fmdev, FM_MODE_RX);
+ if (ret < 0) {
+ fmerr("Failed to set RX mode\n");
+ return ret;
+ }
+ }
+
+ ret = fmc_set_stereo_mono(fmdev, aud_mode);
+ if (ret < 0) {
+ fmerr("Failed to set RX stereo/mono mode\n");
+ return ret;
+ }
+
+ ret = fmc_set_rds_mode(fmdev, rds_mode);
+ if (ret < 0)
+ fmerr("Failed to set RX RDS mode\n");
+
+ return ret;
+}
+
+/* Get tuner or modulator radio frequency */
+static int fm_v4l2_vidioc_g_freq(struct file *file, void *priv,
+ struct v4l2_frequency *freq)
+{
+ struct fmdev *fmdev = video_drvdata(file);
+ int ret;
+
+ ret = fmc_get_freq(fmdev, &freq->frequency);
+ if (ret < 0) {
+ fmerr("Failed to get frequency\n");
+ return ret;
+ }
+
+ /* Frequency unit of 62.5 Hz*/
+ freq->frequency = (u32) freq->frequency * 16;
+
+ return 0;
+}
+
+/* Set tuner or modulator radio frequency */
+static int fm_v4l2_vidioc_s_freq(struct file *file, void *priv,
+ struct v4l2_frequency *freq)
+{
+ struct fmdev *fmdev = video_drvdata(file);
+
+ /*
+ * As V4L2_TUNER_CAP_LOW is set 1 user sends the frequency
+ * in units of 62.5 Hz.
+ */
+ freq->frequency = (u32)(freq->frequency / 16);
+
+ return fmc_set_freq(fmdev, freq->frequency);
+}
+
+/* Set hardware frequency seek. If current mode is NOT RX, set it RX. */
+static int fm_v4l2_vidioc_s_hw_freq_seek(struct file *file, void *priv,
+ struct v4l2_hw_freq_seek *seek)
+{
+ struct fmdev *fmdev = video_drvdata(file);
+ int ret;
+
+ if (fmdev->curr_fmmode != FM_MODE_RX) {
+ ret = fmc_set_mode(fmdev, FM_MODE_RX);
+ if (ret != 0) {
+ fmerr("Failed to set RX mode\n");
+ return ret;
+ }
+ }
+
+ ret = fm_rx_seek(fmdev, seek->seek_upward, seek->wrap_around,
+ seek->spacing);
+ if (ret < 0)
+ fmerr("RX seek failed - %d\n", ret);
+
+ return ret;
+}
+/* Get modulator attributes. If mode is not TX, return no attributes. */
+static int fm_v4l2_vidioc_g_modulator(struct file *file, void *priv,
+ struct v4l2_modulator *mod)
+{
+ struct fmdev *fmdev = video_drvdata(file);;
+
+ if (mod->index != 0)
+ return -EINVAL;
+
+ if (fmdev->curr_fmmode != FM_MODE_TX)
+ return -EPERM;
+
+ mod->txsubchans = ((fmdev->tx_data.aud_mode == FM_STEREO_MODE) ?
+ V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO) |
+ ((fmdev->tx_data.rds.flag == FM_RDS_ENABLE) ?
+ V4L2_TUNER_SUB_RDS : 0);
+
+ mod->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_RDS |
+ V4L2_TUNER_CAP_LOW;
+
+ return 0;
+}
+
+/* Set modulator attributes. If mode is not TX, set to TX. */
+static int fm_v4l2_vidioc_s_modulator(struct file *file, void *priv,
+ struct v4l2_modulator *mod)
+{
+ struct fmdev *fmdev = video_drvdata(file);
+ u8 rds_mode;
+ u16 aud_mode;
+ int ret;
+
+ if (mod->index != 0)
+ return -EINVAL;
+
+ if (fmdev->curr_fmmode != FM_MODE_TX) {
+ ret = fmc_set_mode(fmdev, FM_MODE_TX);
+ if (ret != 0) {
+ fmerr("Failed to set TX mode\n");
+ return ret;
+ }
+ }
+
+ aud_mode = (mod->txsubchans & V4L2_TUNER_SUB_STEREO) ?
+ FM_STEREO_MODE : FM_MONO_MODE;
+ rds_mode = (mod->txsubchans & V4L2_TUNER_SUB_RDS) ?
+ FM_RDS_ENABLE : FM_RDS_DISABLE;
+ ret = fm_tx_set_stereo_mono(fmdev, aud_mode);
+ if (ret < 0) {
+ fmerr("Failed to set mono/stereo mode for TX\n");
+ return ret;
+ }
+ ret = fm_tx_set_rds_mode(fmdev, rds_mode);
+ if (ret < 0)
+ fmerr("Failed to set rds mode for TX\n");
+
+ return ret;
+}
+
+static const struct v4l2_file_operations fm_drv_fops = {
+ .owner = THIS_MODULE,
+ .read = fm_v4l2_fops_read,
+ .write = fm_v4l2_fops_write,
+ .poll = fm_v4l2_fops_poll,
+ .unlocked_ioctl = video_ioctl2,
+ .open = fm_v4l2_fops_open,
+ .release = fm_v4l2_fops_release,
+};
+
+static const struct v4l2_ctrl_ops fm_ctrl_ops = {
+ .s_ctrl = fm_v4l2_s_ctrl,
+ .g_volatile_ctrl = fm_g_volatile_ctrl,
+};
+static const struct v4l2_ioctl_ops fm_drv_ioctl_ops = {
+ .vidioc_querycap = fm_v4l2_vidioc_querycap,
+ .vidioc_g_audio = fm_v4l2_vidioc_g_audio,
+ .vidioc_s_audio = fm_v4l2_vidioc_s_audio,
+ .vidioc_g_tuner = fm_v4l2_vidioc_g_tuner,
+ .vidioc_s_tuner = fm_v4l2_vidioc_s_tuner,
+ .vidioc_g_frequency = fm_v4l2_vidioc_g_freq,
+ .vidioc_s_frequency = fm_v4l2_vidioc_s_freq,
+ .vidioc_s_hw_freq_seek = fm_v4l2_vidioc_s_hw_freq_seek,
+ .vidioc_g_modulator = fm_v4l2_vidioc_g_modulator,
+ .vidioc_s_modulator = fm_v4l2_vidioc_s_modulator
+};
+
+/* V4L2 RADIO device parent structure */
+static struct video_device fm_viddev_template = {
+ .fops = &fm_drv_fops,
+ .ioctl_ops = &fm_drv_ioctl_ops,
+ .name = FM_DRV_NAME,
+ .release = video_device_release,
+};
+
+int fm_v4l2_init_video_device(struct fmdev *fmdev, int radio_nr)
+{
+ struct v4l2_ctrl *ctrl;
+ int ret;
+
+ /* Init mutex for core locking */
+ mutex_init(&fmdev->mutex);
+
+ /* Allocate new video device */
+ gradio_dev = video_device_alloc();
+ if (NULL == gradio_dev) {
+ fmerr("Can't allocate video device\n");
+ return -ENOMEM;
+ }
+
+ /* Setup FM driver's V4L2 properties */
+ memcpy(gradio_dev, &fm_viddev_template, sizeof(fm_viddev_template));
+
+ video_set_drvdata(gradio_dev, fmdev);
+
+ gradio_dev->lock = &fmdev->mutex;
+
+ /* Register with V4L2 subsystem as RADIO device */
+ if (video_register_device(gradio_dev, VFL_TYPE_RADIO, radio_nr)) {
+ video_device_release(gradio_dev);
+ fmerr("Could not register video device\n");
+ return -ENOMEM;
+ }
+
+ fmdev->radio_dev = gradio_dev;
+
+ /* Register to v4l2 ctrl handler framework */
+ fmdev->radio_dev->ctrl_handler = &fmdev->ctrl_handler;
+
+ ret = v4l2_ctrl_handler_init(&fmdev->ctrl_handler, 5);
+ if (ret < 0) {
+ fmerr("(fmdev): Can't init ctrl handler\n");
+ v4l2_ctrl_handler_free(&fmdev->ctrl_handler);
+ return -EBUSY;
+ }
+
+ /*
+ * Following controls are handled by V4L2 control framework.
+ * Added in ascending ID order.
+ */
+ v4l2_ctrl_new_std(&fmdev->ctrl_handler, &fm_ctrl_ops,
+ V4L2_CID_AUDIO_VOLUME, FM_RX_VOLUME_MIN,
+ FM_RX_VOLUME_MAX, 1, FM_RX_VOLUME_MAX);
+
+ v4l2_ctrl_new_std(&fmdev->ctrl_handler, &fm_ctrl_ops,
+ V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1);
+
+ v4l2_ctrl_new_std_menu(&fmdev->ctrl_handler, &fm_ctrl_ops,
+ V4L2_CID_TUNE_PREEMPHASIS, V4L2_PREEMPHASIS_75_uS,
+ 0, V4L2_PREEMPHASIS_75_uS);
+
+ v4l2_ctrl_new_std(&fmdev->ctrl_handler, &fm_ctrl_ops,
+ V4L2_CID_TUNE_POWER_LEVEL, FM_PWR_LVL_LOW,
+ FM_PWR_LVL_HIGH, 1, FM_PWR_LVL_HIGH);
+
+ ctrl = v4l2_ctrl_new_std(&fmdev->ctrl_handler, &fm_ctrl_ops,
+ V4L2_CID_TUNE_ANTENNA_CAPACITOR, 0,
+ 255, 1, 255);
+
+ if (ctrl)
+ ctrl->is_volatile = 1;
+
+ return 0;
+}
+
+void *fm_v4l2_deinit_video_device(void)
+{
+ struct fmdev *fmdev;
+
+
+ fmdev = video_get_drvdata(gradio_dev);
+
+ /* Unregister to v4l2 ctrl handler framework*/
+ v4l2_ctrl_handler_free(&fmdev->ctrl_handler);
+
+ /* Unregister RADIO device from V4L2 subsystem */
+ video_unregister_device(gradio_dev);
+
+ return fmdev;
+}
diff --git a/drivers/media/radio/wl128x/fmdrv_v4l2.h b/drivers/media/radio/wl128x/fmdrv_v4l2.h
new file mode 100644
index 00000000000..0ba79d745e2
--- /dev/null
+++ b/drivers/media/radio/wl128x/fmdrv_v4l2.h
@@ -0,0 +1,33 @@
+/*
+ * FM Driver for Connectivity chip of Texas Instruments.
+ *
+ * FM V4L2 module header.
+ *
+ * Copyright (C) 2011 Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef _FMDRV_V4L2_H
+#define _FMDRV_V4L2_H
+
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-ctrls.h>
+
+int fm_v4l2_init_video_device(struct fmdev *, int);
+void *fm_v4l2_deinit_video_device(void);
+
+#endif
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-21 22:57:31 +0000