int phy_led_triggers_register(struct phy_device *phy)
{
int i, err;
unsigned int speeds[50];
phy->phy_num_led_triggers = phy_supported_speeds(phy, speeds,
ARRAY_SIZE(speeds));
if (!phy->phy_num_led_triggers)
return 0;
phy->led_link_trigger = devm_kzalloc(&phy->mdio.dev,
sizeof(*phy->led_link_trigger),
GFP_KERNEL);
if (!phy->led_link_trigger) {
err = -ENOMEM;
goto out_clear;
}
phy_led_trigger_format_name(phy, phy->led_link_trigger->name,
sizeof(phy->led_link_trigger->name),
"link");
phy->led_link_trigger->trigger.name = phy->led_link_trigger->name;
err = led_trigger_register(&phy->led_link_trigger->trigger);
if (err)
goto out_free_link;
phy->phy_led_triggers = devm_kcalloc(&phy->mdio.dev,
phy->phy_num_led_triggers,
sizeof(struct phy_led_trigger),
GFP_KERNEL);
if (!phy->phy_led_triggers) {
err = -ENOMEM;
goto out_unreg_link;
}
for (i = 0; i < phy->phy_num_led_triggers; i++) {
err = phy_led_trigger_register(phy, &phy->phy_led_triggers[i],
speeds[i]);
if (err)
goto out_unreg;
}
phy->last_triggered = NULL;
phy_led_trigger_change_speed(phy);
return 0;
out_unreg:
while (i--)
phy_led_trigger_unregister(&phy->phy_led_triggers[i]);
devm_kfree(&phy->mdio.dev, phy->phy_led_triggers);
out_unreg_link:
phy_led_trigger_unregister(phy->led_link_trigger);
out_free_link:
devm_kfree(&phy->mdio.dev, phy->led_link_trigger);
phy->led_link_trigger = NULL;
out_clear:
phy->phy_num_led_triggers = 0;
return err;
}
void ieee80211_led_init(struct ieee80211_local *local)
{
local->rx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
if (local->rx_led) {
snprintf(local->rx_led_name, sizeof(local->rx_led_name),
"%srx", wiphy_name(local->hw.wiphy));
local->rx_led->name = local->rx_led_name;
if (led_trigger_register(local->rx_led)) {
kfree(local->rx_led);
local->rx_led = NULL;
}
}
local->tx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
if (local->tx_led) {
snprintf(local->tx_led_name, sizeof(local->tx_led_name),
"%stx", wiphy_name(local->hw.wiphy));
local->tx_led->name = local->tx_led_name;
if (led_trigger_register(local->tx_led)) {
kfree(local->tx_led);
local->tx_led = NULL;
}
}
local->assoc_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
if (local->assoc_led) {
snprintf(local->assoc_led_name, sizeof(local->assoc_led_name),
"%sassoc", wiphy_name(local->hw.wiphy));
local->assoc_led->name = local->assoc_led_name;
if (led_trigger_register(local->assoc_led)) {
kfree(local->assoc_led);
local->assoc_led = NULL;
}
}
local->radio_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
if (local->radio_led) {
snprintf(local->radio_led_name, sizeof(local->radio_led_name),
"%sradio", wiphy_name(local->hw.wiphy));
local->radio_led->name = local->radio_led_name;
if (led_trigger_register(local->radio_led)) {
kfree(local->radio_led);
local->radio_led = NULL;
}
}
}
void ieee80211_led_init(struct ieee80211_local *local)
{
local->rx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
if (local->rx_led) {
local->rx_led->name = local->rx_led_name;
if (led_trigger_register(local->rx_led)) {
kfree(local->rx_led);
local->rx_led = NULL;
}
}
local->tx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
if (local->tx_led) {
local->tx_led->name = local->tx_led_name;
if (led_trigger_register(local->tx_led)) {
kfree(local->tx_led);
local->tx_led = NULL;
}
}
local->assoc_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
if (local->assoc_led) {
local->assoc_led->name = local->assoc_led_name;
if (led_trigger_register(local->assoc_led)) {
kfree(local->assoc_led);
local->assoc_led = NULL;
}
}
local->radio_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
if (local->radio_led) {
local->radio_led->name = local->radio_led_name;
if (led_trigger_register(local->radio_led)) {
kfree(local->radio_led);
local->radio_led = NULL;
}
}
if (local->tpt_led_trigger) {
if (led_trigger_register(&local->tpt_led_trigger->trig)) {
kfree(local->tpt_led_trigger);
local->tpt_led_trigger = NULL;
}
}
}
void ieee80211_led_init(struct ieee80211_local *local)
{
atomic_set(&local->rx_led_active, 0);
local->rx_led.activate = ieee80211_rx_led_activate;
local->rx_led.deactivate = ieee80211_rx_led_deactivate;
if (local->rx_led.name && led_trigger_register(&local->rx_led)) {
kfree(local->rx_led.name);
local->rx_led.name = NULL;
}
atomic_set(&local->tx_led_active, 0);
local->tx_led.activate = ieee80211_tx_led_activate;
local->tx_led.deactivate = ieee80211_tx_led_deactivate;
if (local->tx_led.name && led_trigger_register(&local->tx_led)) {
kfree(local->tx_led.name);
local->tx_led.name = NULL;
}
atomic_set(&local->assoc_led_active, 0);
local->assoc_led.activate = ieee80211_assoc_led_activate;
local->assoc_led.deactivate = ieee80211_assoc_led_deactivate;
if (local->assoc_led.name && led_trigger_register(&local->assoc_led)) {
kfree(local->assoc_led.name);
local->assoc_led.name = NULL;
}
atomic_set(&local->radio_led_active, 0);
local->radio_led.activate = ieee80211_radio_led_activate;
local->radio_led.deactivate = ieee80211_radio_led_deactivate;
if (local->radio_led.name && led_trigger_register(&local->radio_led)) {
kfree(local->radio_led.name);
local->radio_led.name = NULL;
}
atomic_set(&local->tpt_led_active, 0);
if (local->tpt_led_trigger) {
local->tpt_led.activate = ieee80211_tpt_led_activate;
local->tpt_led.deactivate = ieee80211_tpt_led_deactivate;
if (led_trigger_register(&local->tpt_led)) {
kfree(local->tpt_led_trigger);
local->tpt_led_trigger = NULL;
}
}
}
/* A new input device with potential LEDs to connect. */
int input_led_connect(struct input_dev *dev)
{
int i, error = 0;
struct led_classdev *leds;
dev->leds = leds = kcalloc(LED_CNT, sizeof(*leds), GFP_KERNEL);
if (!dev->leds)
return -ENOMEM;
/* lazily register missing VT LEDs */
mutex_lock(&vt_led_registered_lock);
for (i = 0; i < LED_CNT; i++)
if (vt_leds[i].name && test_bit(i, dev->ledbit)) {
if (!vt_led_references[i]) {
led_trigger_register(&vt_led_triggers[i]);
/* This keyboard is first to have led i,
* try to register it */
if (!led_classdev_register(NULL, &vt_leds[i]))
vt_led_references[i] = 1;
else
led_trigger_unregister(&vt_led_triggers[i]);
} else
vt_led_references[i]++;
}
mutex_unlock(&vt_led_registered_lock);
/* and register this device's LEDs */
for (i = 0; i < LED_CNT; i++)
if (vt_leds[i].name && test_bit(i, dev->ledbit)) {
leds[i].name = kasprintf(GFP_KERNEL, "%s::%s",
dev_name(&dev->dev),
vt_led_names[i]);
if (!leds[i].name) {
error = -ENOMEM;
goto err;
}
leds[i].max_brightness = 1;
leds[i].brightness_set = perdevice_input_led_set;
leds[i].default_trigger = vt_led_triggers[i].name;
}
/* No issue so far, we can register for real. */
for (i = 0; i < LED_CNT; i++)
if (leds[i].name) {
led_classdev_register(&dev->dev, &leds[i]);
leds[i].dev->platform_data = dev;
perdevice_input_led_set(&leds[i],
vt_leds[i].brightness);
}
return 0;
err:
input_led_delete(dev);
return error;
}
static int __init heartbeat_trig_init(void)
{
int rc = led_trigger_register(&heartbeat_led_trigger);
if (!rc) {
atomic_notifier_chain_register(&panic_notifier_list,
&heartbeat_panic_nb);
register_reboot_notifier(&heartbeat_reboot_nb);
}
return rc;
}
static int phy_led_trigger_register(struct phy_device *phy,
struct phy_led_trigger *plt,
unsigned int speed)
{
plt->speed = speed;
phy_led_trigger_format_name(phy, plt->name, sizeof(plt->name),
phy_speed_to_str(speed));
plt->trigger.name = plt->name;
return led_trigger_register(&plt->trigger);
}
void led_trigger_register_hwtimer(const char *name,
struct led_trigger **trig)
{
struct led_trigger *tmptrig;
tmptrig = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
if (tmptrig) {
tmptrig->name = name;
tmptrig->activate = hwtimer_trig_activate;
tmptrig->deactivate = hwtimer_trig_deactivate;
tmptrig->is_led_supported = hwtimer_trig_led_supported;
led_trigger_register(tmptrig);
}
*trig = tmptrig;
return;
}
static bool led_tg_check(const struct xt_tgchk_param *par)
{
struct xt_led_info *ledinfo = par->targinfo;
struct xt_led_info_internal *ledinternal;
int err;
if (ledinfo->id[0] == '\0') {
printk(KERN_ERR KBUILD_MODNAME ": No 'id' parameter given.\n");
return false;
}
ledinternal = kzalloc(sizeof(struct xt_led_info_internal), GFP_KERNEL);
if (!ledinternal) {
printk(KERN_CRIT KBUILD_MODNAME ": out of memory\n");
return false;
}
ledinternal->netfilter_led_trigger.name = ledinfo->id;
err = led_trigger_register(&ledinternal->netfilter_led_trigger);
if (err) {
printk(KERN_CRIT KBUILD_MODNAME
": led_trigger_register() failed\n");
if (err == -EEXIST)
printk(KERN_ERR KBUILD_MODNAME
": Trigger name is already in use.\n");
goto exit_alloc;
}
/* See if we need to set up a timer */
if (ledinfo->delay > 0)
setup_timer(&ledinternal->timer, led_timeout_callback,
(unsigned long)ledinfo);
ledinfo->internal_data = ledinternal;
return true;
exit_alloc:
kfree(ledinternal);
return false;
}
static int __init touchwake_control_init(void)
{
int ret;
touchwake_enabled = false;
touch_disabled = false;
device_suspended = false;
timed_out = true;
touchoff_delay = DEF_TOUCHOFF_DELAY;
powerkey_flag = 0;
pr_info("%s misc_register(%s)\n", __func__, touchwake_device.name);
ret = misc_register(&touchwake_device);
if (ret) {
pr_err("%s misc_register(%s) fail\n", __func__,
touchwake_device.name);
return 1;
}
register_early_suspend(&touchwake_suspend_data);
wake_lock_init(&touchwake_wake_lock, WAKE_LOCK_SUSPEND,
"touchwake_wake");
if (sysfs_create_group(&touchwake_device.this_device->kobj,
&touchwake_notification_group) < 0) {
pr_err("%s sysfs_create_group fail\n", __func__);
pr_err("Failed to create sysfs group for device (%s)!\n",
touchwake_device.name);
}
do_gettimeofday(&last_powerkeypress);
powerkey_flag = 0;
ret = led_trigger_register(&touchwake_led_trigger);
return 0;
}
static int phy_led_trigger_register(struct phy_device *phy,
struct phy_led_trigger *plt,
unsigned int speed)
{
char name_suffix[PHY_LED_TRIGGER_SPEED_SUFFIX_SIZE];
plt->speed = speed;
if (speed < SPEED_1000)
snprintf(name_suffix, sizeof(name_suffix), "%dMbps", speed);
else if (speed == SPEED_2500)
snprintf(name_suffix, sizeof(name_suffix), "2.5Gbps");
else
snprintf(name_suffix, sizeof(name_suffix), "%dGbps",
DIV_ROUND_CLOSEST(speed, 1000));
snprintf(plt->name, sizeof(plt->name), PHY_ID_FMT ":%s",
phy->mdio.bus->id, phy->mdio.addr, name_suffix);
plt->trigger.name = plt->name;
return led_trigger_register(&plt->trigger);
}
static int heartbeat_pm_notifier(struct notifier_block *nb,
unsigned long pm_event, void *unused)
{
int rc;
switch (pm_event) {
case PM_SUSPEND_PREPARE:
case PM_HIBERNATION_PREPARE:
case PM_RESTORE_PREPARE:
led_trigger_unregister(&heartbeat_led_trigger);
break;
case PM_POST_SUSPEND:
case PM_POST_HIBERNATION:
case PM_POST_RESTORE:
rc = led_trigger_register(&heartbeat_led_trigger);
if (rc)
pr_err("could not re-register heartbeat trigger\n");
break;
default:
break;
}
return NOTIFY_DONE;
}
static int rt_timer_probe(struct platform_device *pdev)
{
struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
const __be32 *divisor;
struct rt_timer *rt;
struct clk *clk;
int ret;
rt = devm_kzalloc(&pdev->dev, sizeof(*rt), GFP_KERNEL);
if (!rt) {
dev_err(&pdev->dev, "failed to allocate memory\n");
return -ENOMEM;
}
rt->irq = platform_get_irq(pdev, 0);
if (!rt->irq) {
dev_err(&pdev->dev, "failed to load irq\n");
return -ENOENT;
}
rt->membase = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(rt->membase))
return PTR_ERR(rt->membase);
clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(clk)) {
dev_err(&pdev->dev, "failed get clock rate\n");
return PTR_ERR(clk);
}
rt->timer_freq = clk_get_rate(clk) / TMR0CTL_PRESCALE_DIV;
if (!rt->timer_freq)
return -EINVAL;
rt->duty_cycle = 100;
rt->dev = &pdev->dev;
platform_set_drvdata(pdev, rt);
ret = rt_timer_request(rt);
if (ret)
return ret;
divisor = of_get_property(pdev->dev.of_node, "ralink,divisor", NULL);
if (divisor)
rt_timer_config(rt, be32_to_cpu(*divisor));
else
rt_timer_config(rt, 200);
rt->led_trigger.name = "pwmtimer",
rt->led_trigger.activate = rt_timer_trig_activate,
rt->led_trigger.deactivate = rt_timer_trig_deactivate,
ret = led_trigger_register(&rt->led_trigger);
if (ret)
return ret;
INIT_LIST_HEAD(&rt->gpios);
dev_info(&pdev->dev, "maximum frequncy is %luHz\n", rt->timer_freq);
return 0;
}
static int __init wifi_trig_init(void)
{
return led_trigger_register(&wifi_led_trigger);
}
static int __init countdown_trig_init(void)
{
return led_trigger_register(&countdown_led_trigger);
}
static ssize_t usbdev_trig_name_store(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t size)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct usbdev_trig_data *td = led_cdev->trigger_data;
if (size < 0 || size >= DEV_BUS_ID_SIZE)
return -EINVAL;
write_lock(&td->lock);
strcpy(td->device_name, buf);
if (size > 0 && td->device_name[size - 1] == '\n')
td->device_name[size - 1] = 0;
if (td->device_name[0] != 0) {
struct usbdev_trig_match match = {
.device_name = td->device_name,
};
/* check for existing device to update from */
usb_for_each_dev(&match, usbdev_trig_find_usb_dev);
if (match.usb_dev) {
if (td->usb_dev)
usb_put_dev(td->usb_dev);
td->usb_dev = match.usb_dev;
td->last_urbnum = atomic_read(&match.usb_dev->urbnum);
}
/* updates LEDs, may start timers */
usbdev_trig_update_state(td);
}
write_unlock(&td->lock);
return size;
}
static DEVICE_ATTR(device_name, 0644, usbdev_trig_name_show,
usbdev_trig_name_store);
static ssize_t usbdev_trig_interval_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct usbdev_trig_data *td = led_cdev->trigger_data;
read_lock(&td->lock);
sprintf(buf, "%u\n", jiffies_to_msecs(td->interval));
read_unlock(&td->lock);
return strlen(buf) + 1;
}
static ssize_t usbdev_trig_interval_store(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t size)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct usbdev_trig_data *td = led_cdev->trigger_data;
int ret = -EINVAL;
char *after;
unsigned long value = simple_strtoul(buf, &after, 10);
size_t count = after - buf;
if (*after && isspace(*after))
count++;
if (count == size && value <= 10000) {
write_lock(&td->lock);
td->interval = msecs_to_jiffies(value);
usbdev_trig_update_state(td); /* resets timer */
write_unlock(&td->lock);
ret = count;
}
return ret;
}
static DEVICE_ATTR(activity_interval, 0644, usbdev_trig_interval_show,
usbdev_trig_interval_store);
static int usbdev_trig_notify(struct notifier_block *nb,
unsigned long evt,
void *data)
{
struct usb_device *usb_dev;
struct usbdev_trig_data *td;
if (evt != USB_DEVICE_ADD && evt != USB_DEVICE_REMOVE)
return NOTIFY_DONE;
usb_dev = data;
td = container_of(nb, struct usbdev_trig_data, notifier);
write_lock(&td->lock);
if (strcmp(dev_name(&usb_dev->dev), td->device_name))
goto done;
if (evt == USB_DEVICE_ADD) {
usb_get_dev(usb_dev);
if (td->usb_dev != NULL)
usb_put_dev(td->usb_dev);
td->usb_dev = usb_dev;
td->last_urbnum = atomic_read(&usb_dev->urbnum);
} else if (evt == USB_DEVICE_REMOVE) {
if (td->usb_dev != NULL) {
usb_put_dev(td->usb_dev);
td->usb_dev = NULL;
}
}
usbdev_trig_update_state(td);
done:
write_unlock(&td->lock);
return NOTIFY_DONE;
}
/* here's the real work! */
static void usbdev_trig_timer(unsigned long arg)
{
struct usbdev_trig_data *td = (struct usbdev_trig_data *)arg;
int new_urbnum;
write_lock(&td->lock);
if (!td->usb_dev || td->interval == 0) {
/*
* we don't need to do timer work, just reflect device presence
*/
if (td->usb_dev)
led_set_brightness(td->led_cdev, LED_FULL);
else
led_set_brightness(td->led_cdev, LED_OFF);
goto no_restart;
}
if (td->interval)
new_urbnum = atomic_read(&td->usb_dev->urbnum);
else
new_urbnum = 0;
if (td->usb_dev) {
/*
* Base state is ON (device is present). If there's no device,
* we don't get this far and the LED is off.
* OFF -> ON always
* ON -> OFF on activity
*/
if (td->led_cdev->brightness == LED_OFF)
led_set_brightness(td->led_cdev, LED_FULL);
else if (td->last_urbnum != new_urbnum)
led_set_brightness(td->led_cdev, LED_OFF);
} else {
/*
* base state is OFF
* ON -> OFF always
* OFF -> ON on activity
*/
if (td->led_cdev->brightness == LED_FULL)
led_set_brightness(td->led_cdev, LED_OFF);
else if (td->last_urbnum != new_urbnum)
led_set_brightness(td->led_cdev, LED_FULL);
}
td->last_urbnum = new_urbnum;
mod_timer(&td->timer, jiffies + td->interval);
no_restart:
write_unlock(&td->lock);
}
static void usbdev_trig_activate(struct led_classdev *led_cdev)
{
struct usbdev_trig_data *td;
int rc;
td = kzalloc(sizeof(struct usbdev_trig_data), GFP_KERNEL);
if (!td)
return;
rwlock_init(&td->lock);
td->notifier.notifier_call = usbdev_trig_notify;
td->notifier.priority = 10;
setup_timer(&td->timer, usbdev_trig_timer, (unsigned long) td);
td->led_cdev = led_cdev;
td->interval = msecs_to_jiffies(50);
led_cdev->trigger_data = td;
rc = device_create_file(led_cdev->dev, &dev_attr_device_name);
if (rc)
goto err_out;
rc = device_create_file(led_cdev->dev, &dev_attr_activity_interval);
if (rc)
goto err_out_device_name;
usb_register_notify(&td->notifier);
return;
err_out_device_name:
device_remove_file(led_cdev->dev, &dev_attr_device_name);
err_out:
led_cdev->trigger_data = NULL;
kfree(td);
}
static void usbdev_trig_deactivate(struct led_classdev *led_cdev)
{
struct usbdev_trig_data *td = led_cdev->trigger_data;
if (td) {
usb_unregister_notify(&td->notifier);
device_remove_file(led_cdev->dev, &dev_attr_device_name);
device_remove_file(led_cdev->dev, &dev_attr_activity_interval);
write_lock(&td->lock);
if (td->usb_dev) {
usb_put_dev(td->usb_dev);
td->usb_dev = NULL;
}
write_unlock(&td->lock);
del_timer_sync(&td->timer);
kfree(td);
}
}
static struct led_trigger usbdev_led_trigger = {
.name = "usbdev",
.activate = usbdev_trig_activate,
.deactivate = usbdev_trig_deactivate,
};
static int __init usbdev_trig_init(void)
{
return led_trigger_register(&usbdev_led_trigger);
}
static void __exit usbdev_trig_exit(void)
{
led_trigger_unregister(&usbdev_led_trigger);
}
module_init(usbdev_trig_init);
module_exit(usbdev_trig_exit);
MODULE_AUTHOR("Gabor Juhos <*****@*****.**>");
MODULE_DESCRIPTION("USB device LED trigger");
MODULE_LICENSE("GPL v2");
static int __init defon_trig_init(void)
{
return led_trigger_register(&defon_led_trigger);
}
static int __init ledtrig_network_init(void)
{
led_trigger_register(&ledtrig_eth);
led_trigger_register(&ledtrig_wifi);
return 0;
}
static int __init timer_trig_init(void)
{
//wake_lock_init(&led_blink_wake_lock, WAKE_LOCK_SUSPEND, "svc_led_blink"); // hanapark_DF25
return led_trigger_register(&timer_led_trigger);
}
static int __init transient_trig_init(void)
{
return led_trigger_register(&transient_trigger);
}
static int __init netdev_trig_init(void)
{
return led_trigger_register(&netdev_led_trigger);
}
static int __init heartbeat_trig_init(void)
{
return led_trigger_register(&heartbeat_led_trigger);
}
static int __init oneshot_trig_init(void)
{
return led_trigger_register(&oneshot_led_trigger);
}
static int __init gpio_trig_init(void)
{
return led_trigger_register(&gpio_led_trigger);
}
static int __init timer_trig_init(void)
{
return led_trigger_register(&timer_led_trigger);
}
static int __init notification_trig_init(void)
{
return led_trigger_register(¬ification_led_trigger);
}
