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path: root/drivers/net/wireless/b43/leds.c
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Diffstat (limited to 'drivers/net/wireless/b43/leds.c')
-rw-r--r--drivers/net/wireless/b43/leds.c359
1 files changed, 0 insertions, 359 deletions
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 <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 "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);
-}
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