From: Christian Lamparter <chunkeey@xxxxxx>
Copy the LED code from p54common.c into a new file led.c
Signed-off-by: Christian Lamparter <chunkeey@xxxxxx>
Signed-off-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
---
diff --git a/drivers/net/wireless/p54/led.c b/drivers/net/wireless/p54/led.c
new file mode 100644
index 0000000..c00115b
--- /dev/null
+++ b/drivers/net/wireless/p54/led.c
@@ -0,0 +1,163 @@
+/*
+ * Common code for mac80211 Prism54 drivers
+ *
+ * Copyright (c) 2006, Michael Wu <flamingice@xxxxxxxxxxxx>
+ * Copyright (c) 2007-2009, Christian Lamparter <chunkeey@xxxxxx>
+ * Copyright 2008, Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
+ *
+ * Based on:
+ * - the islsm (softmac prism54) driver, which is:
+ * Copyright 2004-2006 Jean-Baptiste Note <jbnote@xxxxxxxxx>, et al.
+ * - stlc45xx driver
+ * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
+ *
+ * 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.
+ */
+
+#include <linux/init.h>
+#include <linux/firmware.h>
+#include <linux/etherdevice.h>
+
+#include <net/mac80211.h>
+#ifdef CONFIG_P54_LEDS
+#include <linux/leds.h>
+#endif /* CONFIG_P54_LEDS */
+
+#include "p54.h"
+#include "lmac.h"
+
+static void p54_update_leds(struct work_struct *work)
+{
+ struct p54_common *priv = container_of(work, struct p54_common,
+ led_work.work);
+ int err, i, tmp, blink_delay = 400;
+ bool rerun = false;
+
+ /* Don't toggle the LED, when the device is down. */
+ if (priv->mode == NL80211_IFTYPE_UNSPECIFIED)
+ return ;
+
+ for (i = 0; i < ARRAY_SIZE(priv->leds); i++)
+ if (priv->leds[i].toggled) {
+ priv->softled_state |= BIT(i);
+
+ tmp = 70 + 200 / (priv->leds[i].toggled);
+ if (tmp < blink_delay)
+ blink_delay = tmp;
+
+ if (priv->leds[i].led_dev.brightness == LED_OFF)
+ rerun = true;
+
+ priv->leds[i].toggled =
+ !!priv->leds[i].led_dev.brightness;
+ } else
+ priv->softled_state &= ~BIT(i);
+
+ err = p54_set_leds(priv);
+ if (err && net_ratelimit())
+ printk(KERN_ERR "%s: failed to update LEDs (%d).\n",
+ wiphy_name(priv->hw->wiphy), err);
+
+ if (rerun)
+ queue_delayed_work(priv->hw->workqueue, &priv->led_work,
+ msecs_to_jiffies(blink_delay));
+}
+
+static void p54_led_brightness_set(struct led_classdev *led_dev,
+ enum led_brightness brightness)
+{
+ struct p54_led_dev *led = container_of(led_dev, struct p54_led_dev,
+ led_dev);
+ struct ieee80211_hw *dev = led->hw_dev;
+ struct p54_common *priv = dev->priv;
+
+ if (priv->mode == NL80211_IFTYPE_UNSPECIFIED)
+ return ;
+
+ if ((brightness) && (led->registered)) {
+ led->toggled++;
+ queue_delayed_work(priv->hw->workqueue, &priv->led_work,
+ HZ/10);
+ }
+}
+
+static int p54_register_led(struct p54_common *priv,
+ unsigned int led_index,
+ char *name, char *trigger)
+{
+ struct p54_led_dev *led = &priv->leds[led_index];
+ int err;
+
+ if (led->registered)
+ return -EEXIST;
+
+ snprintf(led->name, sizeof(led->name), "p54-%s::%s",
+ wiphy_name(priv->hw->wiphy), name);
+ led->hw_dev = priv->hw;
+ led->index = led_index;
+ led->led_dev.name = led->name;
+ led->led_dev.default_trigger = trigger;
+ led->led_dev.brightness_set = p54_led_brightness_set;
+
+ err = led_classdev_register(wiphy_dev(priv->hw->wiphy), &led->led_dev);
+ if (err)
+ printk(KERN_ERR "%s: Failed to register %s LED.\n",
+ wiphy_name(priv->hw->wiphy), name);
+ else
+ led->registered = 1;
+
+ return err;
+}
+
+int p54_init_leds(struct p54_common *priv)
+{
+ int err;
+
+ /*
+ * TODO:
+ * Figure out if the EEPROM contains some hints about the number
+ * of available/programmable LEDs of the device.
+ */
+
+ INIT_DELAYED_WORK(&priv->led_work, p54_update_leds);
+
+ err = p54_register_led(priv, 0, "assoc",
+ ieee80211_get_assoc_led_name(priv->hw));
+ if (err)
+ return err;
+
+ err = p54_register_led(priv, 1, "tx",
+ ieee80211_get_tx_led_name(priv->hw));
+ if (err)
+ return err;
+
+ err = p54_register_led(priv, 2, "rx",
+ ieee80211_get_rx_led_name(priv->hw));
+ if (err)
+ return err;
+
+ err = p54_register_led(priv, 3, "radio",
+ ieee80211_get_radio_led_name(priv->hw));
+ if (err)
+ return err;
+
+ err = p54_set_leds(priv);
+ return err;
+}
+
+void p54_unregister_leds(struct p54_common *priv)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(priv->leds); i++) {
+ if (priv->leds[i].registered) {
+ priv->leds[i].registered = false;
+ priv->leds[i].toggled = 0;
+ led_classdev_unregister(&priv->leds[i].led_dev);
+ }
+ }
+
+ cancel_delayed_work_sync(&priv->led_work);
+}
--
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