From 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Fri, 25 Mar 2016 03:53:42 -0300 Subject: Linux-libre 4.5-gnu --- drivers/net/wireless/b43/leds.c | 359 ---------------------------------------- 1 file changed, 359 deletions(-) delete mode 100644 drivers/net/wireless/b43/leds.c (limited to 'drivers/net/wireless/b43/leds.c') diff --git a/drivers/net/wireless/b43/leds.c b/drivers/net/wireless/b43/leds.c deleted file mode 100644 index d79ab2a22..000000000 --- a/drivers/net/wireless/b43/leds.c +++ /dev/null @@ -1,359 +0,0 @@ -/* - - Broadcom B43 wireless driver - LED control - - Copyright (c) 2005 Martin Langer , - Copyright (c) 2005 Stefano Brivio - Copyright (c) 2005-2007 Michael Buesch - Copyright (c) 2005 Danny van Dyk - Copyright (c) 2005 Andreas Jaggi - - 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, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include "b43.h" -#include "leds.h" -#include "rfkill.h" - - -static void b43_led_turn_on(struct b43_wldev *dev, u8 led_index, - bool activelow) -{ - u16 ctl; - - ctl = b43_read16(dev, B43_MMIO_GPIO_CONTROL); - if (activelow) - ctl &= ~(1 << led_index); - else - ctl |= (1 << led_index); - b43_write16(dev, B43_MMIO_GPIO_CONTROL, ctl); -} - -static void b43_led_turn_off(struct b43_wldev *dev, u8 led_index, - bool activelow) -{ - u16 ctl; - - ctl = b43_read16(dev, B43_MMIO_GPIO_CONTROL); - if (activelow) - ctl |= (1 << led_index); - else - ctl &= ~(1 << led_index); - b43_write16(dev, B43_MMIO_GPIO_CONTROL, ctl); -} - -static void b43_led_update(struct b43_wldev *dev, - struct b43_led *led) -{ - bool radio_enabled; - bool turn_on; - - if (!led->wl) - return; - - radio_enabled = (dev->phy.radio_on && dev->radio_hw_enable); - - /* The led->state read is racy, but we don't care. In case we raced - * with the brightness_set handler, we will be called again soon - * to fixup our state. */ - if (radio_enabled) - turn_on = atomic_read(&led->state) != LED_OFF; - else - turn_on = false; - if (turn_on == led->hw_state) - return; - led->hw_state = turn_on; - - if (turn_on) - b43_led_turn_on(dev, led->index, led->activelow); - else - b43_led_turn_off(dev, led->index, led->activelow); -} - -static void b43_leds_work(struct work_struct *work) -{ - struct b43_leds *leds = container_of(work, struct b43_leds, work); - struct b43_wl *wl = container_of(leds, struct b43_wl, leds); - struct b43_wldev *dev; - - mutex_lock(&wl->mutex); - dev = wl->current_dev; - if (unlikely(!dev || b43_status(dev) < B43_STAT_STARTED)) - goto out_unlock; - - b43_led_update(dev, &wl->leds.led_tx); - b43_led_update(dev, &wl->leds.led_rx); - b43_led_update(dev, &wl->leds.led_radio); - b43_led_update(dev, &wl->leds.led_assoc); - -out_unlock: - mutex_unlock(&wl->mutex); -} - -/* Callback from the LED subsystem. */ -static void b43_led_brightness_set(struct led_classdev *led_dev, - enum led_brightness brightness) -{ - struct b43_led *led = container_of(led_dev, struct b43_led, led_dev); - struct b43_wl *wl = led->wl; - - if (likely(!wl->leds.stop)) { - atomic_set(&led->state, brightness); - ieee80211_queue_work(wl->hw, &wl->leds.work); - } -} - -static int b43_register_led(struct b43_wldev *dev, struct b43_led *led, - const char *name, const char *default_trigger, - u8 led_index, bool activelow) -{ - int err; - - if (led->wl) - return -EEXIST; - if (!default_trigger) - return -EINVAL; - led->wl = dev->wl; - led->index = led_index; - led->activelow = activelow; - strncpy(led->name, name, sizeof(led->name)); - atomic_set(&led->state, 0); - - led->led_dev.name = led->name; - led->led_dev.default_trigger = default_trigger; - led->led_dev.brightness_set = b43_led_brightness_set; - - err = led_classdev_register(dev->dev->dev, &led->led_dev); - if (err) { - b43warn(dev->wl, "LEDs: Failed to register %s\n", name); - led->wl = NULL; - return err; - } - - return 0; -} - -static void b43_unregister_led(struct b43_led *led) -{ - if (!led->wl) - return; - led_classdev_unregister(&led->led_dev); - led->wl = NULL; -} - -static void b43_map_led(struct b43_wldev *dev, - u8 led_index, - enum b43_led_behaviour behaviour, - bool activelow) -{ - struct ieee80211_hw *hw = dev->wl->hw; - char name[B43_LED_MAX_NAME_LEN + 1]; - - /* Map the b43 specific LED behaviour value to the - * generic LED triggers. */ - switch (behaviour) { - case B43_LED_INACTIVE: - case B43_LED_OFF: - case B43_LED_ON: - break; - case B43_LED_ACTIVITY: - case B43_LED_TRANSFER: - case B43_LED_APTRANSFER: - snprintf(name, sizeof(name), - "b43-%s::tx", wiphy_name(hw->wiphy)); - b43_register_led(dev, &dev->wl->leds.led_tx, name, - ieee80211_get_tx_led_name(hw), - led_index, activelow); - snprintf(name, sizeof(name), - "b43-%s::rx", wiphy_name(hw->wiphy)); - b43_register_led(dev, &dev->wl->leds.led_rx, name, - ieee80211_get_rx_led_name(hw), - led_index, activelow); - break; - case B43_LED_RADIO_ALL: - case B43_LED_RADIO_A: - case B43_LED_RADIO_B: - case B43_LED_MODE_BG: - snprintf(name, sizeof(name), - "b43-%s::radio", wiphy_name(hw->wiphy)); - b43_register_led(dev, &dev->wl->leds.led_radio, name, - ieee80211_get_radio_led_name(hw), - led_index, activelow); - break; - case B43_LED_WEIRD: - case B43_LED_ASSOC: - snprintf(name, sizeof(name), - "b43-%s::assoc", wiphy_name(hw->wiphy)); - b43_register_led(dev, &dev->wl->leds.led_assoc, name, - ieee80211_get_assoc_led_name(hw), - led_index, activelow); - break; - default: - b43warn(dev->wl, "LEDs: Unknown behaviour 0x%02X\n", - behaviour); - break; - } -} - -static void b43_led_get_sprominfo(struct b43_wldev *dev, - unsigned int led_index, - enum b43_led_behaviour *behaviour, - bool *activelow) -{ - u8 sprom[4]; - - sprom[0] = dev->dev->bus_sprom->gpio0; - sprom[1] = dev->dev->bus_sprom->gpio1; - sprom[2] = dev->dev->bus_sprom->gpio2; - sprom[3] = dev->dev->bus_sprom->gpio3; - - if (sprom[led_index] == 0xFF) { - /* There is no LED information in the SPROM - * for this LED. Hardcode it here. */ - *activelow = false; - switch (led_index) { - case 0: - *behaviour = B43_LED_ACTIVITY; - *activelow = true; - if (dev->dev->board_vendor == PCI_VENDOR_ID_COMPAQ) - *behaviour = B43_LED_RADIO_ALL; - break; - case 1: - *behaviour = B43_LED_RADIO_B; - if (dev->dev->board_vendor == PCI_VENDOR_ID_ASUSTEK) - *behaviour = B43_LED_ASSOC; - break; - case 2: - *behaviour = B43_LED_RADIO_A; - break; - case 3: - *behaviour = B43_LED_OFF; - break; - default: - *behaviour = B43_LED_OFF; - B43_WARN_ON(1); - return; - } - } else { - *behaviour = sprom[led_index] & B43_LED_BEHAVIOUR; - *activelow = !!(sprom[led_index] & B43_LED_ACTIVELOW); - } -} - -void b43_leds_init(struct b43_wldev *dev) -{ - struct b43_led *led; - unsigned int i; - enum b43_led_behaviour behaviour; - bool activelow; - - /* Sync the RF-kill LED state (if we have one) with radio and switch states. */ - led = &dev->wl->leds.led_radio; - if (led->wl) { - if (dev->phy.radio_on && b43_is_hw_radio_enabled(dev)) { - b43_led_turn_on(dev, led->index, led->activelow); - led->hw_state = true; - atomic_set(&led->state, 1); - } else { - b43_led_turn_off(dev, led->index, led->activelow); - led->hw_state = false; - atomic_set(&led->state, 0); - } - } - - /* Initialize TX/RX/ASSOC leds */ - led = &dev->wl->leds.led_tx; - if (led->wl) { - b43_led_turn_off(dev, led->index, led->activelow); - led->hw_state = false; - atomic_set(&led->state, 0); - } - led = &dev->wl->leds.led_rx; - if (led->wl) { - b43_led_turn_off(dev, led->index, led->activelow); - led->hw_state = false; - atomic_set(&led->state, 0); - } - led = &dev->wl->leds.led_assoc; - if (led->wl) { - b43_led_turn_off(dev, led->index, led->activelow); - led->hw_state = false; - atomic_set(&led->state, 0); - } - - /* Initialize other LED states. */ - for (i = 0; i < B43_MAX_NR_LEDS; i++) { - b43_led_get_sprominfo(dev, i, &behaviour, &activelow); - switch (behaviour) { - case B43_LED_OFF: - b43_led_turn_off(dev, i, activelow); - break; - case B43_LED_ON: - b43_led_turn_on(dev, i, activelow); - break; - default: - /* Leave others as-is. */ - break; - } - } - - dev->wl->leds.stop = 0; -} - -void b43_leds_exit(struct b43_wldev *dev) -{ - struct b43_leds *leds = &dev->wl->leds; - - b43_led_turn_off(dev, leds->led_tx.index, leds->led_tx.activelow); - b43_led_turn_off(dev, leds->led_rx.index, leds->led_rx.activelow); - b43_led_turn_off(dev, leds->led_assoc.index, leds->led_assoc.activelow); - b43_led_turn_off(dev, leds->led_radio.index, leds->led_radio.activelow); -} - -void b43_leds_stop(struct b43_wldev *dev) -{ - struct b43_leds *leds = &dev->wl->leds; - - leds->stop = 1; - cancel_work_sync(&leds->work); -} - -void b43_leds_register(struct b43_wldev *dev) -{ - unsigned int i; - enum b43_led_behaviour behaviour; - bool activelow; - - INIT_WORK(&dev->wl->leds.work, b43_leds_work); - - /* Register the LEDs to the LED subsystem. */ - for (i = 0; i < B43_MAX_NR_LEDS; i++) { - b43_led_get_sprominfo(dev, i, &behaviour, &activelow); - b43_map_led(dev, i, behaviour, activelow); - } -} - -void b43_leds_unregister(struct b43_wl *wl) -{ - struct b43_leds *leds = &wl->leds; - - b43_unregister_led(&leds->led_tx); - b43_unregister_led(&leds->led_rx); - b43_unregister_led(&leds->led_assoc); - b43_unregister_led(&leds->led_radio); -} -- cgit v1.2.3-54-g00ecf