diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00rfkill.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00rfkill.c | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00rfkill.c b/drivers/net/wireless/rt2x00/rt2x00rfkill.c deleted file mode 100644 index 3298cae1e12..00000000000 --- a/drivers/net/wireless/rt2x00/rt2x00rfkill.c +++ /dev/null @@ -1,172 +0,0 @@ -/* - Copyright (C) 2004 - 2008 rt2x00 SourceForge Project - <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, write to the - Free Software Foundation, Inc., - 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -/* - Module: rt2x00rfkill - Abstract: rt2x00 rfkill routines. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/rfkill.h> - -#include "rt2x00.h" -#include "rt2x00lib.h" - -static int rt2x00rfkill_toggle_radio(void *data, enum rfkill_state state) -{ - struct rt2x00_dev *rt2x00dev = data; - int retval = 0; - - if (unlikely(!rt2x00dev)) - return 0; - - /* - * Only continue if there are enabled interfaces. - */ - if (!test_bit(DEVICE_STATE_STARTED, &rt2x00dev->flags)) - return 0; - - if (state == RFKILL_STATE_UNBLOCKED) { - INFO(rt2x00dev, "RFKILL event: enabling radio.\n"); - clear_bit(DEVICE_STATE_DISABLED_RADIO_HW, &rt2x00dev->flags); - retval = rt2x00lib_enable_radio(rt2x00dev); - } else if (state == RFKILL_STATE_SOFT_BLOCKED) { - INFO(rt2x00dev, "RFKILL event: disabling radio.\n"); - set_bit(DEVICE_STATE_DISABLED_RADIO_HW, &rt2x00dev->flags); - rt2x00lib_disable_radio(rt2x00dev); - } else { - WARNING(rt2x00dev, "RFKILL event: unknown state %d.\n", state); - } - - return retval; -} - -static int rt2x00rfkill_get_state(void *data, enum rfkill_state *state) -{ - struct rt2x00_dev *rt2x00dev = data; - - /* - * rfkill_poll reports 1 when the key has been pressed and the - * radio should be blocked. - */ - *state = rt2x00dev->ops->lib->rfkill_poll(rt2x00dev) ? - RFKILL_STATE_SOFT_BLOCKED : RFKILL_STATE_UNBLOCKED; - - return 0; -} - -static void rt2x00rfkill_poll(struct work_struct *work) -{ - struct rt2x00_dev *rt2x00dev = - container_of(work, struct rt2x00_dev, rfkill_work.work); - enum rfkill_state state; - - if (!test_bit(RFKILL_STATE_REGISTERED, &rt2x00dev->rfkill_state) || - !test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags)) - return; - - /* - * Poll latest state and report it to rfkill who should sort - * out if the state should be toggled or not. - */ - if (!rt2x00rfkill_get_state(rt2x00dev, &state)) - rfkill_force_state(rt2x00dev->rfkill, state); - - queue_delayed_work(rt2x00dev->hw->workqueue, - &rt2x00dev->rfkill_work, RFKILL_POLL_INTERVAL); -} - -void rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev) -{ - if (!test_bit(RFKILL_STATE_ALLOCATED, &rt2x00dev->rfkill_state) || - test_bit(RFKILL_STATE_REGISTERED, &rt2x00dev->rfkill_state)) - return; - - if (rfkill_register(rt2x00dev->rfkill)) { - ERROR(rt2x00dev, "Failed to register rfkill handler.\n"); - return; - } - - __set_bit(RFKILL_STATE_REGISTERED, &rt2x00dev->rfkill_state); - - /* - * Force initial poll which will detect the initial device state, - * and correctly sends the signal to the rfkill layer about this - * state. - */ - rt2x00rfkill_poll(&rt2x00dev->rfkill_work.work); -} - -void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev) -{ - if (!test_bit(RFKILL_STATE_ALLOCATED, &rt2x00dev->rfkill_state) || - !test_bit(RFKILL_STATE_REGISTERED, &rt2x00dev->rfkill_state)) - return; - - cancel_delayed_work_sync(&rt2x00dev->rfkill_work); - - rfkill_unregister(rt2x00dev->rfkill); - - __clear_bit(RFKILL_STATE_REGISTERED, &rt2x00dev->rfkill_state); -} - -void rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev) -{ - struct device *dev = wiphy_dev(rt2x00dev->hw->wiphy); - - if (test_bit(RFKILL_STATE_ALLOCATED, &rt2x00dev->rfkill_state)) - return; - - rt2x00dev->rfkill = rfkill_allocate(dev, RFKILL_TYPE_WLAN); - if (!rt2x00dev->rfkill) { - ERROR(rt2x00dev, "Failed to allocate rfkill handler.\n"); - return; - } - - __set_bit(RFKILL_STATE_ALLOCATED, &rt2x00dev->rfkill_state); - - rt2x00dev->rfkill->name = rt2x00dev->ops->name; - rt2x00dev->rfkill->data = rt2x00dev; - rt2x00dev->rfkill->toggle_radio = rt2x00rfkill_toggle_radio; - if (test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags)) { - rt2x00dev->rfkill->get_state = rt2x00rfkill_get_state; - rt2x00dev->rfkill->state = - rt2x00dev->ops->lib->rfkill_poll(rt2x00dev) ? - RFKILL_STATE_SOFT_BLOCKED : RFKILL_STATE_UNBLOCKED; - } else { - rt2x00dev->rfkill->state = RFKILL_STATE_UNBLOCKED; - } - - INIT_DELAYED_WORK(&rt2x00dev->rfkill_work, rt2x00rfkill_poll); - - return; -} - -void rt2x00rfkill_free(struct rt2x00_dev *rt2x00dev) -{ - if (!test_bit(RFKILL_STATE_ALLOCATED, &rt2x00dev->rfkill_state)) - return; - - cancel_delayed_work_sync(&rt2x00dev->rfkill_work); - - rfkill_free(rt2x00dev->rfkill); - rt2x00dev->rfkill = NULL; -} |