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