diff options
Diffstat (limited to 'drivers/net/wireless/b43legacy/leds.c')
-rw-r--r-- | drivers/net/wireless/b43legacy/leds.c | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/drivers/net/wireless/b43legacy/leds.c b/drivers/net/wireless/b43legacy/leds.c deleted file mode 100644 index fd4565389..000000000 --- a/drivers/net/wireless/b43legacy/leds.c +++ /dev/null @@ -1,243 +0,0 @@ -/* - - Broadcom B43 wireless driver - LED control - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Copyright (c) 2005 Stefano Brivio <stefano.brivio@polimi.it> - Copyright (c) 2005-2007 Michael Buesch <m@bues.ch> - Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org> - Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch> - - 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 "b43legacy.h" -#include "leds.h" -#include "rfkill.h" - - -static void b43legacy_led_turn_on(struct b43legacy_wldev *dev, u8 led_index, - bool activelow) -{ - struct b43legacy_wl *wl = dev->wl; - unsigned long flags; - u16 ctl; - - spin_lock_irqsave(&wl->leds_lock, flags); - ctl = b43legacy_read16(dev, B43legacy_MMIO_GPIO_CONTROL); - if (activelow) - ctl &= ~(1 << led_index); - else - ctl |= (1 << led_index); - b43legacy_write16(dev, B43legacy_MMIO_GPIO_CONTROL, ctl); - spin_unlock_irqrestore(&wl->leds_lock, flags); -} - -static void b43legacy_led_turn_off(struct b43legacy_wldev *dev, u8 led_index, - bool activelow) -{ - struct b43legacy_wl *wl = dev->wl; - unsigned long flags; - u16 ctl; - - spin_lock_irqsave(&wl->leds_lock, flags); - ctl = b43legacy_read16(dev, B43legacy_MMIO_GPIO_CONTROL); - if (activelow) - ctl |= (1 << led_index); - else - ctl &= ~(1 << led_index); - b43legacy_write16(dev, B43legacy_MMIO_GPIO_CONTROL, ctl); - spin_unlock_irqrestore(&wl->leds_lock, flags); -} - -/* Callback from the LED subsystem. */ -static void b43legacy_led_brightness_set(struct led_classdev *led_dev, - enum led_brightness brightness) -{ - struct b43legacy_led *led = container_of(led_dev, struct b43legacy_led, - led_dev); - struct b43legacy_wldev *dev = led->dev; - bool radio_enabled; - - /* Checking the radio-enabled status here is slightly racy, - * but we want to avoid the locking overhead and we don't care - * whether the LED has the wrong state for a second. */ - radio_enabled = (dev->phy.radio_on && dev->radio_hw_enable); - - if (brightness == LED_OFF || !radio_enabled) - b43legacy_led_turn_off(dev, led->index, led->activelow); - else - b43legacy_led_turn_on(dev, led->index, led->activelow); -} - -static int b43legacy_register_led(struct b43legacy_wldev *dev, - struct b43legacy_led *led, - const char *name, - const char *default_trigger, - u8 led_index, bool activelow) -{ - int err; - - b43legacy_led_turn_off(dev, led_index, activelow); - if (led->dev) - return -EEXIST; - if (!default_trigger) - return -EINVAL; - led->dev = dev; - led->index = led_index; - led->activelow = activelow; - strncpy(led->name, name, sizeof(led->name)); - - led->led_dev.name = led->name; - led->led_dev.default_trigger = default_trigger; - led->led_dev.brightness_set = b43legacy_led_brightness_set; - - err = led_classdev_register(dev->dev->dev, &led->led_dev); - if (err) { - b43legacywarn(dev->wl, "LEDs: Failed to register %s\n", name); - led->dev = NULL; - return err; - } - return 0; -} - -static void b43legacy_unregister_led(struct b43legacy_led *led) -{ - if (!led->dev) - return; - led_classdev_unregister(&led->led_dev); - b43legacy_led_turn_off(led->dev, led->index, led->activelow); - led->dev = NULL; -} - -static void b43legacy_map_led(struct b43legacy_wldev *dev, - u8 led_index, - enum b43legacy_led_behaviour behaviour, - bool activelow) -{ - struct ieee80211_hw *hw = dev->wl->hw; - char name[B43legacy_LED_MAX_NAME_LEN + 1]; - - /* Map the b43 specific LED behaviour value to the - * generic LED triggers. */ - switch (behaviour) { - case B43legacy_LED_INACTIVE: - break; - case B43legacy_LED_OFF: - b43legacy_led_turn_off(dev, led_index, activelow); - break; - case B43legacy_LED_ON: - b43legacy_led_turn_on(dev, led_index, activelow); - break; - case B43legacy_LED_ACTIVITY: - case B43legacy_LED_TRANSFER: - case B43legacy_LED_APTRANSFER: - snprintf(name, sizeof(name), - "b43legacy-%s::tx", wiphy_name(hw->wiphy)); - b43legacy_register_led(dev, &dev->led_tx, name, - ieee80211_get_tx_led_name(hw), - led_index, activelow); - snprintf(name, sizeof(name), - "b43legacy-%s::rx", wiphy_name(hw->wiphy)); - b43legacy_register_led(dev, &dev->led_rx, name, - ieee80211_get_rx_led_name(hw), - led_index, activelow); - break; - case B43legacy_LED_RADIO_ALL: - case B43legacy_LED_RADIO_A: - case B43legacy_LED_RADIO_B: - case B43legacy_LED_MODE_BG: - snprintf(name, sizeof(name), - "b43legacy-%s::radio", wiphy_name(hw->wiphy)); - b43legacy_register_led(dev, &dev->led_radio, name, - ieee80211_get_radio_led_name(hw), - led_index, activelow); - /* Sync the RF-kill LED state with radio and switch states. */ - if (dev->phy.radio_on && b43legacy_is_hw_radio_enabled(dev)) - b43legacy_led_turn_on(dev, led_index, activelow); - break; - case B43legacy_LED_WEIRD: - case B43legacy_LED_ASSOC: - snprintf(name, sizeof(name), - "b43legacy-%s::assoc", wiphy_name(hw->wiphy)); - b43legacy_register_led(dev, &dev->led_assoc, name, - ieee80211_get_assoc_led_name(hw), - led_index, activelow); - break; - default: - b43legacywarn(dev->wl, "LEDs: Unknown behaviour 0x%02X\n", - behaviour); - break; - } -} - -void b43legacy_leds_init(struct b43legacy_wldev *dev) -{ - struct ssb_bus *bus = dev->dev->bus; - u8 sprom[4]; - int i; - enum b43legacy_led_behaviour behaviour; - bool activelow; - - sprom[0] = bus->sprom.gpio0; - sprom[1] = bus->sprom.gpio1; - sprom[2] = bus->sprom.gpio2; - sprom[3] = bus->sprom.gpio3; - - for (i = 0; i < 4; i++) { - if (sprom[i] == 0xFF) { - /* There is no LED information in the SPROM - * for this LED. Hardcode it here. */ - activelow = false; - switch (i) { - case 0: - behaviour = B43legacy_LED_ACTIVITY; - activelow = true; - if (bus->boardinfo.vendor == PCI_VENDOR_ID_COMPAQ) - behaviour = B43legacy_LED_RADIO_ALL; - break; - case 1: - behaviour = B43legacy_LED_RADIO_B; - if (bus->boardinfo.vendor == PCI_VENDOR_ID_ASUSTEK) - behaviour = B43legacy_LED_ASSOC; - break; - case 2: - behaviour = B43legacy_LED_RADIO_A; - break; - case 3: - behaviour = B43legacy_LED_OFF; - break; - default: - B43legacy_WARN_ON(1); - return; - } - } else { - behaviour = sprom[i] & B43legacy_LED_BEHAVIOUR; - activelow = !!(sprom[i] & B43legacy_LED_ACTIVELOW); - } - b43legacy_map_led(dev, i, behaviour, activelow); - } -} - -void b43legacy_leds_exit(struct b43legacy_wldev *dev) -{ - b43legacy_unregister_led(&dev->led_tx); - b43legacy_unregister_led(&dev->led_rx); - b43legacy_unregister_led(&dev->led_assoc); - b43legacy_unregister_led(&dev->led_radio); -} |