39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/*
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* Copyright (c) 2011, NVIDIA Corp. All rights reserved.
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef _GPIO_H_
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#define _GPIO_H_
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#include <asm/arch/gpio.h>
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/*
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* Generic GPIO API
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*/
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int gpio_request(int gp, const char *label);
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void gpio_free(int gp);
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void gpio_toggle_value(int gp);
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int gpio_direction_input(int gp);
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int gpio_direction_output(int gp, int value);
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int gpio_get_value(int gp);
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void gpio_set_value(int gp, int value);
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#endif /* _GPIO_H_ */
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