diff options
author | Ben Dooks <ben-linux@fluff.org> | 2008-08-08 21:10:12 +0100 |
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committer | Ben Dooks <ben-linux@fluff.org> | 2008-08-08 21:10:12 +0100 |
commit | af7a535688a758d15f06a98833e6a143b29af9de (patch) | |
tree | bac5ab210bbbbe276f0e44ed84194d7c8bb16aae /arch/arm/mach-netx/include/mach/pfifo.h | |
parent | 0c17e4ceedd35c78b1c7413dbd16279a350be6bc (diff) | |
parent | c41107c2d4fd31924533f4dbc4c3428acc2b5894 (diff) |
Merge http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm into for-rmk
Diffstat (limited to 'arch/arm/mach-netx/include/mach/pfifo.h')
-rw-r--r-- | arch/arm/mach-netx/include/mach/pfifo.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm/mach-netx/include/mach/pfifo.h b/arch/arm/mach-netx/include/mach/pfifo.h new file mode 100644 index 00000000000..42c59068f8d --- /dev/null +++ b/arch/arm/mach-netx/include/mach/pfifo.h @@ -0,0 +1,54 @@ +/* + * 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 */ |