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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
118 lines
3.6 KiB
C
118 lines
3.6 KiB
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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#include <sys/param.h>
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#include <sys/conf.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/kobj.h>
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#include <sys/malloc.h>
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#include <sys/mutex.h>
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#include <sys/module.h>
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#include <sys/rman.h>
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#include <sys/systm.h>
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#include <machine/bus.h>
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#include <dev/clk/clk_link.h>
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static int clknode_link_init(struct clknode *clk, device_t dev);
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static int clknode_link_recalc(struct clknode *clk, uint64_t *freq);
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static int clknode_link_set_freq(struct clknode *clk, uint64_t fin,
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uint64_t *fout, int flags, int *stop);
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static int clknode_link_set_mux(struct clknode *clk, int idx);
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static int clknode_link_set_gate(struct clknode *clk, bool enable);
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static clknode_method_t clknode_link_methods[] = {
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/* Device interface */
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CLKNODEMETHOD(clknode_init, clknode_link_init),
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CLKNODEMETHOD(clknode_recalc_freq, clknode_link_recalc),
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CLKNODEMETHOD(clknode_set_freq, clknode_link_set_freq),
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CLKNODEMETHOD(clknode_set_gate, clknode_link_set_gate),
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CLKNODEMETHOD(clknode_set_mux, clknode_link_set_mux),
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CLKNODEMETHOD_END
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};
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DEFINE_CLASS_1(clknode_link, clknode_link_class, clknode_link_methods,
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0, clknode_class);
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static int
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clknode_link_init(struct clknode *clk, device_t dev)
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{
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return(0);
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}
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static int
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clknode_link_recalc(struct clknode *clk, uint64_t *freq)
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{
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printf("%s: Attempt to use unresolved linked clock: %s\n", __func__,
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clknode_get_name(clk));
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return (EBADF);
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}
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static int
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clknode_link_set_freq(struct clknode *clk, uint64_t fin, uint64_t *fout,
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int flags, int *stop)
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{
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printf("%s: Attempt to use unresolved linked clock: %s\n", __func__,
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clknode_get_name(clk));
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return (EBADF);
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}
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static int
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clknode_link_set_mux(struct clknode *clk, int idx)
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{
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printf("%s: Attempt to use unresolved linked clock: %s\n", __func__,
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clknode_get_name(clk));
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return (EBADF);
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}
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static int
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clknode_link_set_gate(struct clknode *clk, bool enable)
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{
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printf("%s: Attempt to use unresolved linked clock: %s\n", __func__,
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clknode_get_name(clk));
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return (EBADF);
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}
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int
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clknode_link_register(struct clkdom *clkdom, struct clk_link_def *clkdef)
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{
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struct clknode *clk;
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struct clknode_init_def tmp;
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tmp = clkdef->clkdef;
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tmp.flags |= CLK_NODE_LINKED;
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clk = clknode_create(clkdom, &clknode_link_class, &tmp);
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if (clk == NULL)
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return (1);
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clknode_register(clkdom, clk);
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return (0);
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}
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