| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * arch/arm/mach-netx/include/mach/pfifo.h |
| * |
| * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix |
| */ |
| |
| |
| #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 */ |
