freebsd-dev/sys/arm/at91/at91_pmcvar.h
2012-06-29 06:06:19 +00:00

66 lines
2.2 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 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 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.
*/
/* $FreeBSD$ */
#ifndef ARM_AT91_AT91_PMCVAR_H
#define ARM_AT91_AT91_PMCVAR_H
struct at91_pmc_clock
{
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;
/* PLL Params */
uint32_t pll_min_in;
uint32_t pll_max_in;
uint32_t pll_min_out;
uint32_t pll_max_out;
uint32_t pll_div_shift;
uint32_t pll_div_mask;
uint32_t pll_mul_shift;
uint32_t pll_mul_mask;
uint32_t (*set_outb)(int);
};
struct at91_pmc_clock *at91_pmc_clock_add(const char *name, uint32_t irq,
struct at91_pmc_clock *parent);
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 */