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be82b3a0bf
We've removed kernel option EXT_RESOURCES almost two years ago. While it was ok to have some code under a common 'extres' subdirectory at first, we now have a lot of consumer of it and we made it mandatory so no need to have it under a cryptic name. Reviewed by: mhorne Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D43191
90 lines
2.3 KiB
Objective-C
90 lines
2.3 KiB
Objective-C
#-
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# Copyright 2016 Michal Meloun <mmel@FreeBSD.org>
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# All rights reserved.
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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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INTERFACE clknode;
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HEADER {
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struct clknode;
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}
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#
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# Initialize clock node, get shanpshot of cached values
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#
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METHOD int init {
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struct clknode *clk;
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device_t dev;
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};
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#
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# Recalculate frequency
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# req - in/out recalulated frequency
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#
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METHOD int recalc_freq {
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struct clknode *clk;
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uint64_t *freq;
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};
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#
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# Set frequency
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# fin - parent (input)frequency.
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# fout - requested output freqency. If clock cannot change frequency,
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# then must return new requested frequency for his parent
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METHOD int set_freq {
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struct clknode *clk;
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uint64_t fin;
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uint64_t *fout;
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int flags;
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int *done;
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};
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#
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# Enable/disable clock
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#
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METHOD int set_gate {
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struct clknode *clk;
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bool enable;
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};
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#
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# Get gate status
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# Return: ENXIO - method is not implemented
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# ENOENT - HW doesn't support reading of gate enable
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# 0 - success
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#
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METHOD int get_gate {
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struct clknode *clk;
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bool *enabled;
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};
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#
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# Set multiplexer
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#
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METHOD int set_mux {
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struct clknode *clk;
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int idx;
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};
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