55 lines
2.0 KiB
C
55 lines
2.0 KiB
C
/* $NetBSD: clk_backend.h,v 1.1 2015/12/05 13:31:07 jmcneill Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2015 Jared D. McNeill <jmcneill@invisible.ca>
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef _DEV_CLK_CLK_BACKEND_H
|
|
#define _DEV_CLK_CLK_BACKEND_H
|
|
|
|
#include <dev/clk/clk.h>
|
|
|
|
struct clk {
|
|
const char *name;
|
|
u_int flags;
|
|
#define CLK_SET_RATE_PARENT 0x01
|
|
};
|
|
|
|
struct clk_funcs {
|
|
struct clk *(*get)(void *, const char *);
|
|
void (*put)(void *, struct clk *);
|
|
|
|
u_int (*get_rate)(void *, struct clk *);
|
|
int (*set_rate)(void *, struct clk *, u_int);
|
|
int (*enable)(void *, struct clk *);
|
|
int (*disable)(void *, struct clk *);
|
|
int (*set_parent)(void *, struct clk *, struct clk *);
|
|
struct clk *(*get_parent)(void *, struct clk *);
|
|
};
|
|
|
|
int clk_backend_register(const char *, const struct clk_funcs *, void *);
|
|
|
|
#endif /* _DEV_CLK_CLK_BACKEND_H */
|