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freebsd/sys/arm/at91/at91_pmcvar.h

50 lines
1.9 KiB
C

/*-
* Copyright (c) 2005 M. Warner Losh. 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 ``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 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.
*/
/* $FreeBSD$ */
#ifndef ARM_AT91_AT91_PMCVAR_H
#define ARM_AT91_AT91_PMCVAR_H
struct at91_pmc_clock
{
const char *name;
uint32_t hz;
struct at91_pmc_clock *parent;
uint32_t pmc_mask;
void (*set_mode)(struct at91_pmc_clock *, int);
uint32_t refcnt;
unsigned id:2;
unsigned primary:1;
unsigned pll:1;
unsigned programmable:1;
};
struct at91_pmc_clock *at91_pmc_clock_ref(const char *name);
void at91_pmc_clock_deref(struct at91_pmc_clock *);
void at91_pmc_clock_enable(struct at91_pmc_clock *);
void at91_pmc_clock_disable(struct at91_pmc_clock *);
#endif /* ARM_AT91_AT91_PMCVAR_H */