| #ifndef _H8300_IO_H |
| #define _H8300_IO_H |
| |
| #ifdef __KERNEL__ |
| |
| #include <asm-generic/io.h> |
| |
| /* H8/300 internal I/O functions */ |
| static inline unsigned char ctrl_inb(unsigned long addr) |
| { |
| return *(volatile unsigned char *)addr; |
| } |
| |
| static inline unsigned short ctrl_inw(unsigned long addr) |
| { |
| return *(volatile unsigned short *)addr; |
| } |
| |
| static inline unsigned long ctrl_inl(unsigned long addr) |
| { |
| return *(volatile unsigned long *)addr; |
| } |
| |
| static inline void ctrl_outb(unsigned char b, unsigned long addr) |
| { |
| *(volatile unsigned char *)addr = b; |
| } |
| |
| static inline void ctrl_outw(unsigned short b, unsigned long addr) |
| { |
| *(volatile unsigned short *)addr = b; |
| } |
| |
| static inline void ctrl_outl(unsigned long b, unsigned long addr) |
| { |
| *(volatile unsigned long *)addr = b; |
| } |
| |
| static inline void ctrl_bclr(int b, unsigned long addr) |
| { |
| if (__builtin_constant_p(b)) |
| __asm__("bclr %1,%0" : : "WU"(addr), "i"(b)); |
| else |
| __asm__("bclr %w1,%0" : : "WU"(addr), "r"(b)); |
| } |
| |
| static inline void ctrl_bset(int b, unsigned long addr) |
| { |
| if (__builtin_constant_p(b)) |
| __asm__("bset %1,%0" : : "WU"(addr), "i"(b)); |
| else |
| __asm__("bset %w1,%0" : : "WU"(addr), "r"(b)); |
| } |
| |
| #endif /* __KERNEL__ */ |
| |
| #endif /* _H8300_IO_H */ |