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bcm2835_gpioreg.h revision 1.1 
      1 /*	$NetBSD: bcm2835_gpioreg.h,v 1.1 2013/01/05 19:55:18 jakllsch Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2013 Jonathan A. Kollasch
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
     20  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     21  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     23  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     25  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     26  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _BROADCOM_BCM2835_GPIOREG_H_
     30 #define _BROADCOM_BCM2835_GPIOREG_H_
     31 
     32 #define BCM2835_GPIO_GPFSEL(x)	(0x000 + (x) * sizeof(uint32_t))
     33 #define BCM2835_GPIO_GPFSEL_PINS_PER_REGISTER	10
     34 #define BCM2835_GPIO_GPFSEL_BITS_PER_PIN	3
     35 
     36 #define BCM2835_GPIO_IN		00
     37 #define BCM2835_GPIO_OUT	01
     38 #define BCM2835_GPIO_ALT5	02
     39 #define BCM2835_GPIO_ALT4	03
     40 #define BCM2835_GPIO_ALT0	04
     41 #define BCM2835_GPIO_ALT1	05
     42 #define BCM2835_GPIO_ALT2	06
     43 #define BCM2835_GPIO_ALT3	07
     44 
     45 #endif /* _BROADCOM_BCM2835_GPIOREG_H_ */
     46