diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/wireless/ath/carl9170/led.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/wireless/ath/carl9170/led.c | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/ANDROID_3.4.5/drivers/net/wireless/ath/carl9170/led.c b/ANDROID_3.4.5/drivers/net/wireless/ath/carl9170/led.c deleted file mode 100644 index 78dadc79..00000000 --- a/ANDROID_3.4.5/drivers/net/wireless/ath/carl9170/led.c +++ /dev/null @@ -1,190 +0,0 @@ -/* - * Atheros CARL9170 driver - * - * LED handling - * - * Copyright 2008, Johannes Berg <johannes@sipsolutions.net> - * Copyright 2009, 2010, Christian Lamparer <chunkeey@googlemail.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; see the file COPYING. If not, see - * http://www.gnu.org/licenses/. - * - * This file incorporates work covered by the following copyright and - * permission notice: - * Copyright (c) 2007-2008 Atheros Communications, Inc. - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include "carl9170.h" -#include "cmd.h" - -int carl9170_led_set_state(struct ar9170 *ar, const u32 led_state) -{ - return carl9170_write_reg(ar, AR9170_GPIO_REG_PORT_DATA, led_state); -} - -int carl9170_led_init(struct ar9170 *ar) -{ - int err; - - /* disable LEDs */ - /* GPIO [0/1 mode: output, 2/3: input] */ - err = carl9170_write_reg(ar, AR9170_GPIO_REG_PORT_TYPE, 3); - if (err) - goto out; - - /* GPIO 0/1 value: off */ - err = carl9170_led_set_state(ar, 0); - -out: - return err; -} - -#ifdef CONFIG_CARL9170_LEDS -static void carl9170_led_update(struct work_struct *work) -{ - struct ar9170 *ar = container_of(work, struct ar9170, led_work.work); - int i, tmp = 300, blink_delay = 1000; - u32 led_val = 0; - bool rerun = false; - - if (!IS_ACCEPTING_CMD(ar)) - return; - - mutex_lock(&ar->mutex); - for (i = 0; i < AR9170_NUM_LEDS; i++) { - if (ar->leds[i].registered) { - if (ar->leds[i].last_state || - ar->leds[i].toggled) { - - if (ar->leds[i].toggled) - tmp = 70 + 200 / (ar->leds[i].toggled); - - if (tmp < blink_delay) - blink_delay = tmp; - - led_val |= 1 << i; - ar->leds[i].toggled = 0; - rerun = true; - } - } - } - - carl9170_led_set_state(ar, led_val); - mutex_unlock(&ar->mutex); - - if (!rerun) - return; - - ieee80211_queue_delayed_work(ar->hw, - &ar->led_work, - msecs_to_jiffies(blink_delay)); -} - -static void carl9170_led_set_brightness(struct led_classdev *led, - enum led_brightness brightness) -{ - struct carl9170_led *arl = container_of(led, struct carl9170_led, l); - struct ar9170 *ar = arl->ar; - - if (!arl->registered) - return; - - if (arl->last_state != !!brightness) { - arl->toggled++; - arl->last_state = !!brightness; - } - - if (likely(IS_ACCEPTING_CMD(ar) && arl->toggled)) - ieee80211_queue_delayed_work(ar->hw, &ar->led_work, HZ / 10); -} - -static int carl9170_led_register_led(struct ar9170 *ar, int i, char *name, - char *trigger) -{ - int err; - - snprintf(ar->leds[i].name, sizeof(ar->leds[i].name), - "carl9170-%s::%s", wiphy_name(ar->hw->wiphy), name); - - ar->leds[i].ar = ar; - ar->leds[i].l.name = ar->leds[i].name; - ar->leds[i].l.brightness_set = carl9170_led_set_brightness; - ar->leds[i].l.brightness = 0; - ar->leds[i].l.default_trigger = trigger; - - err = led_classdev_register(wiphy_dev(ar->hw->wiphy), - &ar->leds[i].l); - if (err) { - wiphy_err(ar->hw->wiphy, "failed to register %s LED (%d).\n", - ar->leds[i].name, err); - } else { - ar->leds[i].registered = true; - } - - return err; -} - -void carl9170_led_unregister(struct ar9170 *ar) -{ - int i; - - for (i = 0; i < AR9170_NUM_LEDS; i++) - if (ar->leds[i].registered) { - led_classdev_unregister(&ar->leds[i].l); - ar->leds[i].registered = false; - ar->leds[i].toggled = 0; - } - - cancel_delayed_work_sync(&ar->led_work); -} - -int carl9170_led_register(struct ar9170 *ar) -{ - int err; - - INIT_DELAYED_WORK(&ar->led_work, carl9170_led_update); - - err = carl9170_led_register_led(ar, 0, "tx", - ieee80211_get_tx_led_name(ar->hw)); - if (err) - goto fail; - - if (ar->features & CARL9170_ONE_LED) - return 0; - - err = carl9170_led_register_led(ar, 1, "assoc", - ieee80211_get_assoc_led_name(ar->hw)); - if (err) - goto fail; - - return 0; - -fail: - carl9170_led_unregister(ar); - return err; -} - -#endif /* CONFIG_CARL9170_LEDS */ |