mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-12-20 15:26:43 +01:00
6b34b16ea5
- GPIO bus controller interface - GPIO bus interface - Implementation of GPIO led(4) compatible device - Implementation of iic(4) bus over GPIO (author: Luiz Otavio O Souza) Tested by: Luiz Otavio O Souza, Alexandr Rybalko
103 lines
2.3 KiB
Objective-C
103 lines
2.3 KiB
Objective-C
#-
|
|
# Copyright (c) 2009 Oleksandr Tymoshenko <gonzo@freebsd.org>
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions
|
|
# are met:
|
|
# 1. Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# 2. Redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
# SUCH DAMAGE.
|
|
#
|
|
# $FreeBSD$
|
|
#
|
|
|
|
#include <sys/bus.h>
|
|
#include <sys/gpio.h>
|
|
|
|
INTERFACE gpio;
|
|
|
|
#
|
|
# Get total number of pins
|
|
#
|
|
METHOD int pin_max {
|
|
device_t dev;
|
|
int *npins;
|
|
};
|
|
|
|
#
|
|
# Set value of pin specifed by pin_num
|
|
#
|
|
METHOD int pin_set {
|
|
device_t dev;
|
|
uint32_t pin_num;
|
|
uint32_t pin_value;
|
|
};
|
|
|
|
#
|
|
# Get value of pin specifed by pin_num
|
|
#
|
|
METHOD int pin_get {
|
|
device_t dev;
|
|
uint32_t pin_num;
|
|
uint32_t *pin_value;
|
|
};
|
|
|
|
#
|
|
# Toggle value of pin specifed by pin_num
|
|
#
|
|
METHOD int pin_toggle {
|
|
device_t dev;
|
|
uint32_t pin_num;
|
|
};
|
|
|
|
#
|
|
# Get pin capabilities
|
|
#
|
|
METHOD int pin_getcaps {
|
|
device_t dev;
|
|
uint32_t pin_num;
|
|
uint32_t *caps;
|
|
};
|
|
|
|
#
|
|
# Get pin flags
|
|
#
|
|
METHOD int pin_getflags {
|
|
device_t dev;
|
|
uint32_t pin_num;
|
|
uint32_t *flags;
|
|
};
|
|
|
|
#
|
|
# Get pin name
|
|
#
|
|
METHOD int pin_getname {
|
|
device_t dev;
|
|
uint32_t pin_num;
|
|
char *name;
|
|
};
|
|
|
|
#
|
|
# Set current configuration and capabilities
|
|
#
|
|
METHOD int pin_setflags {
|
|
device_t dev;
|
|
uint32_t pin_num;
|
|
uint32_t flags;
|
|
};
|