diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-14 10:37:28 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-14 10:37:28 -0700 |
commit | d7e9660ad9d5e0845f52848bce31bcf5cdcdea6b (patch) | |
tree | c6c67d145771187b194d79d603742b31090a59d6 /drivers/net/wireless/p54/led.c | |
parent | b8cb48aae1b8c50b37dcb7710363aa69a7a0d9ca (diff) | |
parent | 13af7a6ea502fcdd4c0e3d7de6e332b102309491 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1623 commits)
netxen: update copyright
netxen: fix tx timeout recovery
netxen: fix file firmware leak
netxen: improve pci memory access
netxen: change firmware write size
tg3: Fix return ring size breakage
netxen: build fix for INET=n
cdc-phonet: autoconfigure Phonet address
Phonet: back-end for autoconfigured addresses
Phonet: fix netlink address dump error handling
ipv6: Add IFA_F_DADFAILED flag
net: Add DEVTYPE support for Ethernet based devices
mv643xx_eth.c: remove unused txq_set_wrr()
ucc_geth: Fix hangs after switching from full to half duplex
ucc_geth: Rearrange some code to avoid forward declarations
phy/marvell: Make non-aneg speed/duplex forcing work for 88E1111 PHYs
drivers/net/phy: introduce missing kfree
drivers/net/wan: introduce missing kfree
net: force bridge module(s) to be GPL
Subject: [PATCH] appletalk: Fix skb leak when ipddp interface is not loaded
...
Fixed up trivial conflicts:
- arch/x86/include/asm/socket.h
converted to <asm-generic/socket.h> in the x86 tree. The generic
header has the same new #define's, so that works out fine.
- drivers/net/tun.c
fix conflict between 89f56d1e9 ("tun: reuse struct sock fields") that
switched over to using 'tun->socket.sk' instead of the redundantly
available (and thus removed) 'tun->sk', and 2b980dbd ("lsm: Add hooks
to the TUN driver") which added a new 'tun->sk' use.
Noted in 'next' by Stephen Rothwell.
Diffstat (limited to 'drivers/net/wireless/p54/led.c')
-rw-r--r-- | drivers/net/wireless/p54/led.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/drivers/net/wireless/p54/led.c b/drivers/net/wireless/p54/led.c new file mode 100644 index 00000000000..9575ac03363 --- /dev/null +++ b/drivers/net/wireless/p54/led.c @@ -0,0 +1,162 @@ +/* + * Common code for mac80211 Prism54 drivers + * + * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> + * Copyright (c) 2007-2009, Christian Lamparter <chunkeey@web.de> + * Copyright 2008, Johannes Berg <johannes@sipsolutions.net> + * + * Based on: + * - the islsm (softmac prism54) driver, which is: + * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, 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) + ieee80211_queue_delayed_work(priv->hw, &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++; + ieee80211_queue_delayed_work(priv->hw, &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); +} |