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/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2021-2022 Digiteq Automotive * author: Martin Tuma <martin.tuma@digiteqautomotive.com> */ #ifndef __MGB4_REGS_H__ #define __MGB4_REGS_H__ #include <linux/io.h> struct mgb4_regs { resource_size_t mapbase; resource_size_t mapsize; void __iomem *membase; }; #define mgb4_write_reg(regs, offset, val) \ iowrite32(val, (regs)->membase + (offset)) #define mgb4_read_reg(regs, offset) \ ioread32((regs)->membase + (offset)) static inline void mgb4_mask_reg(struct mgb4_regs *regs, u32 reg, u32 mask, u32 val) { u32 ret = mgb4_read_reg(regs, reg); val |= ret & ~mask; mgb4_write_reg(regs, reg, val); } int mgb4_regs_map(struct resource *res, struct mgb4_regs *regs); void mgb4_regs_free(struct mgb4_regs *regs); #endif |