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/*
* carl9170 firmware - used by the ar9170 wireless device
*
* GPIO interrupt service
*
* Copyright (c) 2000-2005 ZyDAS Technology Corporation
* Copyright (c) 2007-2009 Atheros Communications, Inc.
* Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2009-2011 Christian Lamparter <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; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "carl9170.h"
#include "gpio.h"
#ifdef CONFIG_CARL9170FW_GPIO_INTERRUPT
void gpio_timer(void)
{
uint32_t cur;
cur = get(AR9170_GPIO_REG_PORT_DATA) & CARL9170_GPIO_MASK;
if (cur != fw.cached_gpio_state.gpio) {
fw.cached_gpio_state.gpio = cur;
send_cmd_to_host(sizeof(struct carl9170_gpio),
CARL9170_RSP_GPIO, 0x00,
(uint8_t *)&fw.cached_gpio_state);
# ifdef CONFIG_CARL9170FW_WATCHDOG_BUTTON
for (;;) {
/*
* Loop forever... Until the watchdog triggers.
*/
}
# endif /* CONFIG_CARL9170FW_WATCHDOG_BUTTON */
}
}
#endif /* CONFIG_CARL9170FW_GPIO_INTERRUPT */