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/*
* arch/arm/mach-netx/include/mach/pfifo.h
*
* Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef ASM_ARCH_PFIFO_H
#define ASM_ARCH_PFIFO_H
static inline int pfifo_push(int no, unsigned int pointer)
{
writel(pointer, NETX_PFIFO_BASE(no));
return 0;
}
static inline unsigned int pfifo_pop(int no)
{
return readl(NETX_PFIFO_BASE(no));
}
static inline int pfifo_fill_level(int no)
{
return readl(NETX_PFIFO_FILL_LEVEL(no));
}
static inline int pfifo_full(int no)
{
return readl(NETX_PFIFO_FULL) & (1<<no) ? 1 : 0;
}
static inline int pfifo_empty(int no)
{
return readl(NETX_PFIFO_EMPTY) & (1<<no) ? 1 : 0;
}
int pfifo_request(unsigned int pfifo_mask);
void pfifo_free(unsigned int pfifo_mask);
#endif /* ASM_ARCH_PFIFO_H */
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