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# $FreeBSD$ 27# 28 29#include <sys/bus.h> 30#include <sys/gpio.h> 31 32INTERFACE gpio; 33 34# 35# Get total number of pins 36# 37METHOD int pin_max { 38 device_t dev; 39 int *npins; 40}; 41 42# 43# Set value of pin specifed by pin_num 44# 45METHOD 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# 54METHOD 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# 63METHOD int pin_toggle { 64 device_t dev; 65 uint32_t pin_num; 66}; 67 68# 69# Get pin capabilities 70# 71METHOD int pin_getcaps { 72 device_t dev; 73 uint32_t pin_num; 74 uint32_t *caps; 75}; 76 77# 78# Get pin flags 79# 80METHOD int pin_getflags { 81 device_t dev; 82 uint32_t pin_num; 83 uint32_t *flags; 84}; 85 86# 87# Get pin name 88# 89METHOD 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# 98METHOD int pin_setflags { 99 device_t dev; 100 uint32_t pin_num; 101 uint32_t flags; 102}; 103