You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
53 lines
1.6 KiB
53 lines
1.6 KiB
13 years ago
|
/*
|
||
|
|
* 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 */
|