gpio_if.m

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    1 #-
    2 # Copyright (c) 2009 Oleksandr Tymoshenko <gonzo@freebsd.org>
    3 # All rights reserved.
    4 #
    5 # Redistribution and use in source and binary forms, with or without
    6 # modification, are permitted provided that the following conditions
    7 # are met:
    8 # 1. Redistributions of source code must retain the above copyright
    9 #    notice, this list of conditions and the following disclaimer.
   10 # 2. Redistributions in binary form must reproduce the above copyright
   11 #    notice, this list of conditions and the following disclaimer in the
   12 #    documentation and/or other materials provided with the distribution.
   13 #
   14 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24 # SUCH DAMAGE.
   25 #
   26 # $FreeBSD: releng/9.0/sys/dev/gpio/gpio_if.m 213237 2010-09-28 03:24:53Z gonzo $
   27 #
   28 
   29 #include <sys/bus.h>
   30 #include <sys/gpio.h>
   31 
   32 INTERFACE gpio;
   33 
   34 #
   35 # Get total number of pins
   36 #
   37 METHOD int pin_max {
   38         device_t dev;
   39         int *npins;
   40 };
   41 
   42 #
   43 # Set value of pin specifed by pin_num 
   44 #
   45 METHOD int pin_set {
   46         device_t dev;
   47         uint32_t pin_num;
   48         uint32_t pin_value;
   49 };
   50 
   51 #
   52 # Get value of pin specifed by pin_num 
   53 #
   54 METHOD int pin_get {
   55         device_t dev;
   56         uint32_t pin_num;
   57         uint32_t *pin_value;
   58 };
   59 
   60 #
   61 # Toggle value of pin specifed by pin_num 
   62 #
   63 METHOD int pin_toggle {
   64         device_t dev;
   65         uint32_t pin_num;
   66 };
   67 
   68 #
   69 # Get pin capabilities
   70 #
   71 METHOD int pin_getcaps {
   72         device_t dev;
   73         uint32_t pin_num;
   74         uint32_t *caps;
   75 };
   76 
   77 #
   78 # Get pin flags
   79 #
   80 METHOD int pin_getflags {
   81         device_t dev;
   82         uint32_t pin_num;
   83         uint32_t *flags;
   84 };
   85 
   86 #
   87 # Get pin name
   88 #
   89 METHOD int pin_getname {
   90         device_t dev;
   91         uint32_t pin_num;
   92         char *name;
   93 };
   94 
   95 #
   96 # Set current configuration and capabilities
   97 #
   98 METHOD int pin_setflags {
   99         device_t dev;
  100         uint32_t pin_num;
  101         uint32_t flags;
  102 };

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FreeBSD/Linux Kernel Cross Reference sys/dev/gpio/gpio_if.m

FreeBSD/Linux Kernel Cross Reference
sys/dev/gpio/gpio_if.m