1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 **************************************************************************** 11 ****************************************************************************/ 12 #ifndef _ASM_IO_H 13 #define _ASM_IO_H 14 15 #include <linux/string.h> 16 #include <linux/compiler.h> 17 18 #define IO_SPACE_LIMIT 0xffff 19 20 #define XQUAD_PORTIO_BASE 0xfe400000 21 #define XQUAD_PORTIO_QUAD 0x40000 22 23 #ifdef REALLY_SLOW_IO 24 #endif 25 #define __BUILDIO(bwl,bw,type) static inline void out##bwl(unsigned type value, int port) { out##bwl##_local(value, port); } static inline unsigned type in##bwl(int port) { return in##bwl##_local(port); } 26 #define BUILDIO(bwl,bw,type) static inline void out##bwl##_local(unsigned type value, int port) { __asm__ __volatile__("out" #bwl " %" #bw "0, %w1" : : "a"(value), "Nd"(port)); } static inline unsigned type in##bwl##_local(int port) { unsigned type value; __asm__ __volatile__("in" #bwl " %w1, %" #bw "0" : "=a"(value) : "Nd"(port)); return value; } static inline void out##bwl##_local_p(unsigned type value, int port) { out##bwl##_local(value, port); slow_down_io(); } static inline unsigned type in##bwl##_local_p(int port) { unsigned type value = in##bwl##_local(port); slow_down_io(); return value; } __BUILDIO(bwl,bw,type) static inline void out##bwl##_p(unsigned type value, int port) { out##bwl(value, port); slow_down_io(); } static inline unsigned type in##bwl##_p(int port) { unsigned type value = in##bwl(port); slow_down_io(); return value; } static inline void outs##bwl(int port, const void *addr, unsigned long count) { __asm__ __volatile__("rep; outs" #bwl : "+S"(addr), "+c"(count) : "d"(port)); } static inline void ins##bwl(int port, void *addr, unsigned long count) { __asm__ __volatile__("rep; ins" #bwl : "+D"(addr), "+c"(count) : "d"(port)); } 27 #endif 28
