diff options
Diffstat (limited to 'include/asm-arm')
-rw-r--r-- | include/asm-arm/arch-netx/pfifo.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/include/asm-arm/arch-netx/pfifo.h b/include/asm-arm/arch-netx/pfifo.h new file mode 100644 index 000000000000..4af2ee4a32c1 --- /dev/null +++ b/include/asm-arm/arch-netx/pfifo.h | |||
@@ -0,0 +1,54 @@ | |||
1 | /* | ||
2 | * include/asm-arm/arch-netx/pfifo.h | ||
3 | * | ||
4 | * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix | ||
5 | * | ||
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. | ||
9 | * | ||
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. | ||
14 | * | ||
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 | ||
18 | */ | ||
19 | |||
20 | |||
21 | #ifndef ASM_ARCH_PFIFO_H | ||
22 | #define ASM_ARCH_PFIFO_H | ||
23 | |||
24 | static inline int pfifo_push(int no, unsigned int pointer) | ||
25 | { | ||
26 | writel(pointer, NETX_PFIFO_BASE(no)); | ||
27 | return 0; | ||
28 | } | ||
29 | |||
30 | static inline unsigned int pfifo_pop(int no) | ||
31 | { | ||
32 | return readl(NETX_PFIFO_BASE(no)); | ||
33 | } | ||
34 | |||
35 | static inline int pfifo_fill_level(int no) | ||
36 | { | ||
37 | |||
38 | return readl(NETX_PFIFO_FILL_LEVEL(no)); | ||
39 | } | ||
40 | |||
41 | static inline int pfifo_full(int no) | ||
42 | { | ||
43 | return readl(NETX_PFIFO_FULL) & (1<<no) ? 1 : 0; | ||
44 | } | ||
45 | |||
46 | static inline int pfifo_empty(int no) | ||
47 | { | ||
48 | return readl(NETX_PFIFO_EMPTY) & (1<<no) ? 1 : 0; | ||
49 | } | ||
50 | |||
51 | int pfifo_request(unsigned int pfifo_mask); | ||
52 | void pfifo_free(unsigned int pfifo_mask); | ||
53 | |||
54 | #endif /* ASM_ARCH_PFIFO_H */ | ||