/*
* Copyright (c) 2011 Jiri Michalec
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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.
*/
/** @file
*
* General functions and structures used in rtl8139 driver
*/
#ifndef RTL8139_GENERAL_H_
#define RTL8139_GENERAL_H_
#include <stddef.h>
#include <stdint.h>
#include <time.h>
/** Number of microseconds in second */
#define RTL8139_USEC_IN_SEC 1000000
/** Structure for HW timer control */
typedef struct {
/** Register value set in the last timer period */
uint32_t last_val;
/** Register value set in the common timer period */
uint32_t full_val;
/** Amount of full register periods in timer period */
size_t full_skips;
/** Remaining full register periods to the next period end */
size_t full_skips_remains;
/** Mark if there is a last run */
int last_run;
} rtl8139_timer_act_t;
extern void *rtl8139_memcpy_wrapped(void *, const void *, size_t, size_t,
size_t);
extern errno_t rtl8139_timer_act_init(rtl8139_timer_act_t *, uint32_t,
const struct timespec *);
extern int rtl8139_timer_act_step(rtl8139_timer_act_t *, uint32_t *);
#endif