/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2021 Intel Corporation * Author: johannes@sipsolutions.net */ #ifndef _LOGIC_IO_H #define _LOGIC_IO_H #include <linux/types.h> /* include this file into asm/io.h */ #ifdef CONFIG_INDIRECT_IOMEM #ifdef CONFIG_INDIRECT_IOMEM_FALLBACK /* * If you want emulated IO memory to fall back to 'normal' IO memory * if a region wasn't registered as emulated, then you need to have * all of the real_* functions implemented. */ #if !defined(real_ioremap) || !defined(real_iounmap) || \ !defined(real_raw_readb) || !defined(real_raw_writeb) || \ !defined(real_raw_readw) || !defined(real_raw_writew) || \ !defined(real_raw_readl) || !defined(real_raw_writel) || \ (defined(CONFIG_64BIT) && \ (!defined(real_raw_readq) || !defined(real_raw_writeq))) || \ !defined(real_memset_io) || \ !defined(real_memcpy_fromio) || \ !defined(real_memcpy_toio) #error "Must provide fallbacks for real IO memory access" #endif /* defined ... */ #endif /* CONFIG_INDIRECT_IOMEM_FALLBACK */ #define ioremap ioremap void __iomem *ioremap(phys_addr_t offset, size_t size); #define iounmap iounmap void iounmap(void volatile __iomem *addr); #define __raw_readb __raw_readb u8 __raw_readb(const volatile void __iomem *addr); #define __raw_readw __raw_readw u16 __raw_readw(const volatile void __iomem *addr); #define __raw_readl __raw_readl u32 __raw_readl(const volatile void __iomem *addr); #ifdef CONFIG_64BIT #define __raw_readq __raw_readq u64 __raw_readq(const volatile void __iomem *addr); #endif /* CONFIG_64BIT */ #define __raw_writeb __raw_writeb void __raw_writeb(u8 value, volatile void __iomem *addr); #define __raw_writew __raw_writew void __raw_writew(u16 value, volatile void __iomem *addr); #define __raw_writel __raw_writel void __raw_writel(u32 value, volatile void __iomem *addr); #ifdef CONFIG_64BIT #define __raw_writeq __raw_writeq void __raw_writeq(u64 value, volatile void __iomem *addr); #endif /* CONFIG_64BIT */ #define memset_io memset_io void memset_io(volatile void __iomem *addr, int value, size_t size); #define memcpy_fromio memcpy_fromio void memcpy_fromio(void *buffer, const volatile void __iomem *addr, size_t size); #define memcpy_toio memcpy_toio void memcpy_toio(volatile void __iomem *addr, const void *buffer, size_t size); #endif /* CONFIG_INDIRECT_IOMEM */ #endif /* _LOGIC_IO_H */