1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _H8300_IO_H 3#define _H8300_IO_H 4 5#ifdef __KERNEL__ 6 7#include <linux/types.h> 8 9/* H8/300 internal I/O functions */ 10 11#define __raw_readb __raw_readb 12static inline u8 __raw_readb(const volatile void __iomem *addr) 13{ 14 return *(volatile u8 *)addr; 15} 16 17#define __raw_readw __raw_readw 18static inline u16 __raw_readw(const volatile void __iomem *addr) 19{ 20 return *(volatile u16 *)addr; 21} 22 23#define __raw_readl __raw_readl 24static inline u32 __raw_readl(const volatile void __iomem *addr) 25{ 26 return *(volatile u32 *)addr; 27} 28 29#define __raw_writeb __raw_writeb 30static inline void __raw_writeb(u8 b, const volatile void __iomem *addr) 31{ 32 *(volatile u8 *)addr = b; 33} 34 35#define __raw_writew __raw_writew 36static inline void __raw_writew(u16 b, const volatile void __iomem *addr) 37{ 38 *(volatile u16 *)addr = b; 39} 40 41#define __raw_writel __raw_writel 42static inline void __raw_writel(u32 b, const volatile void __iomem *addr) 43{ 44 *(volatile u32 *)addr = b; 45} 46 47static inline void ctrl_bclr(int b, void __iomem *addr) 48{ 49 if (__builtin_constant_p(b)) 50 __asm__("bclr %1,%0" : "+WU"(*(u8 *)addr): "i"(b)); 51 else 52 __asm__("bclr %w1,%0" : "+WU"(*(u8 *)addr): "r"(b)); 53} 54 55static inline void ctrl_bset(int b, void __iomem *addr) 56{ 57 if (__builtin_constant_p(b)) 58 __asm__("bset %1,%0" : "+WU"(*(u8 *)addr): "i"(b)); 59 else 60 __asm__("bset %w1,%0" : "+WU"(*(u8 *)addr): "r"(b)); 61} 62 63#include <asm-generic/io.h> 64 65#endif /* __KERNEL__ */ 66 67#endif /* _H8300_IO_H */ 68