Differential D17938 Diff 51932 head/sys/dev/pwm/pwmbus_if.m

Changeset View

Standalone View

head/sys/dev/pwm/pwmbus_if.m

Property	Old Value	New Value
svn:keywords	null	FreeBSD=%H \ No newline at end of property

				#-
				# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
				#
				# Copyright (c) 2018 Emmanuel Vadot <manu@FreeBSD.org>
				#
				# 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>

				INTERFACE pwmbus;

				CODE {
				static int
				pwm_default_set_flags(device_t dev, int channel, uint32_t flags)
				{

				return (EOPNOTSUPP);
				}

				static int
				pwm_default_get_flags(device_t dev, int channel, uint32_t *flags)
				{

				*flags = 0;
				return (0);
				}
				};

				HEADER {
				#include <sys/pwm.h>
				};

				#
				# Config the period (Total number of cycle in ns) and
				# the duty (active number of cycle in ns)
				#
				METHOD int channel_config {
				device_t bus;
				int channel;
				uint64_t period;
				uint64_t duty;
				};

				#
				# Get the period (Total number of cycle in ns) and
				# the duty (active number of cycle in ns)
				#
				METHOD int channel_get_config {
				device_t bus;
				int channel;
				uint64_t *period;
				uint64_t *duty;
				};

				#
				# Set the flags
				#
				METHOD int channel_set_flags {
				device_t bus;
				int channel;
				uint32_t flags;
				} DEFAULT pwm_default_set_flags;

				#
				# Get the flags
				#
				METHOD int channel_get_flags {
				device_t dev;
				int channel;
				uint32_t *flags;
				} DEFAULT pwm_default_get_flags;

				#
				# Enable the pwm output
				#
				METHOD int channel_enable {
				device_t bus;
				int channel;
				bool enable;
				};

				#
				# Is the pwm output enabled
				#
				METHOD int channel_is_enabled {
				device_t bus;
				int channel;
				bool *enabled;
				};