diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00leds.c')
-rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00leds.c | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00leds.c b/drivers/net/wireless/rt2x00/rt2x00leds.c deleted file mode 100644 index c681d04b506c..000000000000 --- a/drivers/net/wireless/rt2x00/rt2x00leds.c +++ /dev/null @@ -1,244 +0,0 @@ -/* - Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com> - <http://rt2x00.serialmonkey.com> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - 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, see <http://www.gnu.org/licenses/>. - */ - -/* - Module: rt2x00lib - Abstract: rt2x00 led specific routines. - */ - -#include <linux/kernel.h> -#include <linux/module.h> - -#include "rt2x00.h" -#include "rt2x00lib.h" - -void rt2x00leds_led_quality(struct rt2x00_dev *rt2x00dev, int rssi) -{ - struct rt2x00_led *led = &rt2x00dev->led_qual; - unsigned int brightness; - - if ((led->type != LED_TYPE_QUALITY) || !(led->flags & LED_REGISTERED)) - return; - - /* - * Led handling requires a positive value for the rssi, - * to do that correctly we need to add the correction. - */ - rssi += rt2x00dev->rssi_offset; - - /* - * Get the rssi level, this is used to convert the rssi - * to a LED value inside the range LED_OFF - LED_FULL. - */ - if (rssi <= 30) - rssi = 0; - else if (rssi <= 39) - rssi = 1; - else if (rssi <= 49) - rssi = 2; - else if (rssi <= 53) - rssi = 3; - else if (rssi <= 63) - rssi = 4; - else - rssi = 5; - - /* - * Note that we must _not_ send LED_OFF since the driver - * is going to calculate the value and might use it in a - * division. - */ - brightness = ((LED_FULL / 6) * rssi) + 1; - if (brightness != led->led_dev.brightness) { - led->led_dev.brightness_set(&led->led_dev, brightness); - led->led_dev.brightness = brightness; - } -} - -static void rt2x00led_led_simple(struct rt2x00_led *led, bool enabled) -{ - unsigned int brightness = enabled ? LED_FULL : LED_OFF; - - if (!(led->flags & LED_REGISTERED)) - return; - - led->led_dev.brightness_set(&led->led_dev, brightness); - led->led_dev.brightness = brightness; -} - -void rt2x00led_led_activity(struct rt2x00_dev *rt2x00dev, bool enabled) -{ - if (rt2x00dev->led_qual.type == LED_TYPE_ACTIVITY) - rt2x00led_led_simple(&rt2x00dev->led_qual, enabled); -} - -void rt2x00leds_led_assoc(struct rt2x00_dev *rt2x00dev, bool enabled) -{ - if (rt2x00dev->led_assoc.type == LED_TYPE_ASSOC) - rt2x00led_led_simple(&rt2x00dev->led_assoc, enabled); -} - -void rt2x00leds_led_radio(struct rt2x00_dev *rt2x00dev, bool enabled) -{ - if (rt2x00dev->led_radio.type == LED_TYPE_RADIO) - rt2x00led_led_simple(&rt2x00dev->led_radio, enabled); -} - -static int rt2x00leds_register_led(struct rt2x00_dev *rt2x00dev, - struct rt2x00_led *led, - const char *name) -{ - struct device *device = wiphy_dev(rt2x00dev->hw->wiphy); - int retval; - - led->led_dev.name = name; - led->led_dev.brightness = LED_OFF; - - retval = led_classdev_register(device, &led->led_dev); - if (retval) { - rt2x00_err(rt2x00dev, "Failed to register led handler\n"); - return retval; - } - - led->flags |= LED_REGISTERED; - - return 0; -} - -void rt2x00leds_register(struct rt2x00_dev *rt2x00dev) -{ - char name[36]; - int retval; - unsigned long on_period; - unsigned long off_period; - const char *phy_name = wiphy_name(rt2x00dev->hw->wiphy); - - if (rt2x00dev->led_radio.flags & LED_INITIALIZED) { - snprintf(name, sizeof(name), "%s-%s::radio", - rt2x00dev->ops->name, phy_name); - - retval = rt2x00leds_register_led(rt2x00dev, - &rt2x00dev->led_radio, - name); - if (retval) - goto exit_fail; - } - - if (rt2x00dev->led_assoc.flags & LED_INITIALIZED) { - snprintf(name, sizeof(name), "%s-%s::assoc", - rt2x00dev->ops->name, phy_name); - - retval = rt2x00leds_register_led(rt2x00dev, - &rt2x00dev->led_assoc, - name); - if (retval) - goto exit_fail; - } - - if (rt2x00dev->led_qual.flags & LED_INITIALIZED) { - snprintf(name, sizeof(name), "%s-%s::quality", - rt2x00dev->ops->name, phy_name); - - retval = rt2x00leds_register_led(rt2x00dev, - &rt2x00dev->led_qual, - name); - if (retval) - goto exit_fail; - } - - /* - * Initialize blink time to default value: - * On period: 70ms - * Off period: 30ms - */ - if (rt2x00dev->led_radio.led_dev.blink_set) { - on_period = 70; - off_period = 30; - rt2x00dev->led_radio.led_dev.blink_set( - &rt2x00dev->led_radio.led_dev, &on_period, &off_period); - } - - return; - -exit_fail: - rt2x00leds_unregister(rt2x00dev); -} - -static void rt2x00leds_unregister_led(struct rt2x00_led *led) -{ - led_classdev_unregister(&led->led_dev); - - /* - * This might look weird, but when we are unregistering while - * suspended the led is already off, and since we haven't - * fully resumed yet, access to the device might not be - * possible yet. - */ - if (!(led->led_dev.flags & LED_SUSPENDED)) - led->led_dev.brightness_set(&led->led_dev, LED_OFF); - - led->flags &= ~LED_REGISTERED; -} - -void rt2x00leds_unregister(struct rt2x00_dev *rt2x00dev) -{ - if (rt2x00dev->led_qual.flags & LED_REGISTERED) - rt2x00leds_unregister_led(&rt2x00dev->led_qual); - if (rt2x00dev->led_assoc.flags & LED_REGISTERED) - rt2x00leds_unregister_led(&rt2x00dev->led_assoc); - if (rt2x00dev->led_radio.flags & LED_REGISTERED) - rt2x00leds_unregister_led(&rt2x00dev->led_radio); -} - -static inline void rt2x00leds_suspend_led(struct rt2x00_led *led) -{ - led_classdev_suspend(&led->led_dev); - - /* This shouldn't be needed, but just to be safe */ - led->led_dev.brightness_set(&led->led_dev, LED_OFF); - led->led_dev.brightness = LED_OFF; -} - -void rt2x00leds_suspend(struct rt2x00_dev *rt2x00dev) -{ - if (rt2x00dev->led_qual.flags & LED_REGISTERED) - rt2x00leds_suspend_led(&rt2x00dev->led_qual); - if (rt2x00dev->led_assoc.flags & LED_REGISTERED) - rt2x00leds_suspend_led(&rt2x00dev->led_assoc); - if (rt2x00dev->led_radio.flags & LED_REGISTERED) - rt2x00leds_suspend_led(&rt2x00dev->led_radio); -} - -static inline void rt2x00leds_resume_led(struct rt2x00_led *led) -{ - led_classdev_resume(&led->led_dev); - - /* Device might have enabled the LEDS during resume */ - led->led_dev.brightness_set(&led->led_dev, LED_OFF); - led->led_dev.brightness = LED_OFF; -} - -void rt2x00leds_resume(struct rt2x00_dev *rt2x00dev) -{ - if (rt2x00dev->led_radio.flags & LED_REGISTERED) - rt2x00leds_resume_led(&rt2x00dev->led_radio); - if (rt2x00dev->led_assoc.flags & LED_REGISTERED) - rt2x00leds_resume_led(&rt2x00dev->led_assoc); - if (rt2x00dev->led_qual.flags & LED_REGISTERED) - rt2x00leds_resume_led(&rt2x00dev->led_qual); -} |