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52 lines
1.6 KiB
52 lines
1.6 KiB
/* |
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* carl9170 firmware - used by the ar9170 wireless device |
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* |
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* GPIO interrupt service |
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* |
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* Copyright (c) 2000-2005 ZyDAS Technology Corporation |
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* Copyright (c) 2007-2009 Atheros Communications, Inc. |
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* Copyright 2009 Johannes Berg <johannes@sipsolutions.net> |
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* Copyright 2009-2011 Christian Lamparter <chunkeey@googlemail.com> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with this program; if not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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*/ |
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#include "carl9170.h" |
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#include "gpio.h" |
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#ifdef CONFIG_CARL9170FW_GPIO_INTERRUPT |
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void gpio_timer(void) |
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{ |
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uint32_t cur; |
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cur = get(AR9170_GPIO_REG_PORT_DATA) & CARL9170_GPIO_MASK; |
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if (cur != fw.cached_gpio_state.gpio) { |
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fw.cached_gpio_state.gpio = cur; |
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send_cmd_to_host(sizeof(struct carl9170_gpio), |
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CARL9170_RSP_GPIO, 0x00, |
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(uint8_t *)&fw.cached_gpio_state); |
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# ifdef CONFIG_CARL9170FW_WATCHDOG_BUTTON |
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for (;;) { |
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/* |
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* Loop forever... Until the watchdog triggers. |
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*/ |
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} |
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# endif /* CONFIG_CARL9170FW_WATCHDOG_BUTTON */ |
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} |
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} |
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#endif /* CONFIG_CARL9170FW_GPIO_INTERRUPT */
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