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115 lines
2.6 KiB
Objective-C
115 lines
2.6 KiB
Objective-C
#-
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# SPDX-License-Identifier: BSD-2-Clause
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#
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# Copyright (c) 2018 Emmanuel Vadot <manu@FreeBSD.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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#
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#include <sys/bus.h>
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INTERFACE pwmbus;
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CODE {
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static int
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pwm_default_set_flags(device_t bus, u_int channel, uint32_t flags)
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{
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return (EOPNOTSUPP);
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}
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static int
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pwm_default_get_flags(device_t bus, u_int channel, uint32_t *flags)
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{
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*flags = 0;
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return (0);
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}
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};
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#
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# Config the period (Total number of cycle in ns) and
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# the duty (active number of cycle in ns)
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#
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METHOD int channel_config {
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device_t bus;
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u_int channel;
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u_int period;
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u_int duty;
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};
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#
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# Get the period (Total number of cycle in ns) and
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# the duty (active number of cycle in ns)
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#
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METHOD int channel_get_config {
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device_t bus;
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u_int channel;
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u_int *period;
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u_int *duty;
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};
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#
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# Set the flags
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#
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METHOD int channel_set_flags {
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device_t bus;
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u_int channel;
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uint32_t flags;
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} DEFAULT pwm_default_set_flags;
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#
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# Get the flags
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#
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METHOD int channel_get_flags {
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device_t bus;
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u_int channel;
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uint32_t *flags;
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} DEFAULT pwm_default_get_flags;
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#
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# Enable the pwm output
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#
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METHOD int channel_enable {
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device_t bus;
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u_int channel;
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bool enable;
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};
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#
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# Is the pwm output enabled
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#
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METHOD int channel_is_enabled {
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device_t bus;
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u_int channel;
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bool *enabled;
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};
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#
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# Get the number of channels
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#
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METHOD int channel_count {
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device_t bus;
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u_int *nchannel;
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};
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