The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/arm/at91/at91_piovar.h

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    1 /*-
    2  * Copyright (c) 2006 M. Warner Losh.  All rights reserved.
    3  *
    4  * Redistribution and use in source and binary forms, with or without
    5  * modification, are permitted provided that the following conditions
    6  * are met:
    7  * 1. Redistributions of source code must retain the above copyright
    8  *    notice, this list of conditions and the following disclaimer.
    9  * 2. Redistributions in binary form must reproduce the above copyright
   10  *    notice, this list of conditions and the following disclaimer in the
   11  *    documentation and/or other materials provided with the distribution.
   12  *
   13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   14  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   15  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   16  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   19  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   20  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   23  */
   24 
   25 /* $FreeBSD: releng/6.3/sys/arm/at91/at91_piovar.h 160478 2006-07-18 21:00:57Z imp $ */
   26 
   27 #ifndef ARM_AT91_AT91_PIOVAR_H
   28 #define ARM_AT91_AT91_PIOVAR_H
   29 
   30 void at91_pio_use_periph_a(uint32_t pio, uint32_t periph_a_mask, int use_pullup);
   31 void at91_pio_use_periph_b(uint32_t pio, uint32_t periph_b_mask, int use_pullup);
   32 void at91_pio_use_gpio(uint32_t pio, uint32_t gpio_mask);
   33 void at91_pio_gpio_input(uint32_t pio, uint32_t input_enable_mask);
   34 void at91_pio_gpio_output(uint32_t pio, uint32_t output_enable_mask,
   35         int use_pullup);
   36 void at91_pio_gpio_set(uint32_t pio, uint32_t data_mask);
   37 void at91_pio_gpio_clear(uint32_t pio, uint32_t data_mask);
   38 
   39 #endif /* ARM_AT91_AT91_PIOVAR_H */

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