io.h File Reference

#include <linux/compiler.h>
#include <linux/types.h>
#include <asm/byteorder.h>
#include <asm-generic/io.h>

Go to the source code of this file.

Macros
#define	DECLARE_BFIN_RAW_READX(size, type, asm, asm_sign)
#define	__raw_readb   __raw_readb
#define	__raw_readw   __raw_readw
#define	__raw_readl   __raw_readl
#define	outsb   outsb
#define	outsw   outsw
#define	outsl   outsl
#define	insb   insb
#define	insw   insw
#define	insl   insl
#define	mmiowb()   do { SSYNC(); wmb(); } while (0)

Functions
void	outsb (unsigned long port, const void *addr, unsigned long count)
void	outsw (unsigned long port, const void *addr, unsigned long count)
void	outsw_8 (unsigned long port, const void *addr, unsigned long count)
void	outsl (unsigned long port, const void *addr, unsigned long count)
void	insb (unsigned long port, void *addr, unsigned long count)
void	insw (unsigned long port, void *addr, unsigned long count)
void	insw_8 (unsigned long port, void *addr, unsigned long count)
void	insl (unsigned long port, void *addr, unsigned long count)
void	insl_16 (unsigned long port, void *addr, unsigned long count)
void	dma_outsb (unsigned long port, const void *addr, unsigned short count)
void	dma_outsw (unsigned long port, const void *addr, unsigned short count)
void	dma_outsl (unsigned long port, const void *addr, unsigned short count)
void	dma_insb (unsigned long port, void *addr, unsigned short count)
void	dma_insw (unsigned long port, void *addr, unsigned short count)
void	dma_insl (unsigned long port, void *addr, unsigned short count)

Macro Definition Documentation

#define __raw_readb   __raw_readb

Definition at line 30 of file io.h.

#define __raw_readl   __raw_readl

Definition at line 34 of file io.h.

#define __raw_readw   __raw_readw

Definition at line 32 of file io.h.

#define DECLARE_BFIN_RAW_READX	(		size,
			type,
			asm,
			asm_sign
	)

Value:

static inline type __raw_read##size(const volatile void __iomem *addr) \
{ \
    unsigned int val; \
    int tmp; \
    __asm__ __volatile__ ( \
        "cli %1;" \
        "NOP; NOP; SSYNC;" \
        "%0 = "#asm" [%2] "#asm_sign";" \
        "sti %1;" \
        : "=d"(val), "=d"(tmp) \
        : "a"(addr) \
    ); \
    return (type) val; \
}

Definition at line 14 of file io.h.

#define insb   insb

Definition at line 49 of file io.h.

#define insl   insl

Definition at line 51 of file io.h.

#define insw   insw

Definition at line 50 of file io.h.

#define mmiowb

(

)

do { SSYNC(); wmb(); } while (0)

I/O write barrier

Ensure ordering of I/O space writes. This will make sure that writes following the barrier will arrive after all previous writes.

Definition at line 67 of file io.h.

#define outsb   outsb

Definition at line 40 of file io.h.

#define outsl   outsl

Definition at line 42 of file io.h.

#define outsw   outsw

Definition at line 41 of file io.h.

Function Documentation

void dma_insb	(	unsigned long	port,
		void *	addr,
		unsigned short	count
	)

void dma_insl	(	unsigned long	port,
		void *	addr,
		unsigned short	count
	)

void dma_insw	(	unsigned long	port,
		void *	addr,
		unsigned short	count
	)

void dma_outsb	(	unsigned long	port,
		const void *	addr,
		unsigned short	count
	)

void dma_outsl	(	unsigned long	port,
		const void *	addr,
		unsigned short	count
	)

void dma_outsw	(	unsigned long	port,
		const void *	addr,
		unsigned short	count
	)

void insb	(	unsigned long	port,
		void *	addr,
		unsigned long	count
	)

Definition at line 241 of file io.c.

void insl	(	unsigned long	port,
		void *	addr,
		unsigned long	count
	)

Definition at line 313 of file io.c.

void insl_16	(	unsigned long	port,
		void *	addr,
		unsigned long	count
	)

void insw	(	unsigned long	port,
		void *	addr,
		unsigned long	count
	)

Definition at line 281 of file io.c.

void insw_8	(	unsigned long	port,
		void *	addr,
		unsigned long	count
	)

void outsb	(	unsigned long	port,
		const void *	addr,
		unsigned long	count
	)

Definition at line 335 of file io.c.

void outsl	(	unsigned long	port,
		const void *	addr,
		unsigned long	count
	)

Definition at line 407 of file io.c.

void outsw	(	unsigned long	port,
		const void *	addr,
		unsigned long	count
	)

Definition at line 375 of file io.c.

void outsw_8	(	unsigned long	port,
		const void *	addr,
		unsigned long	count
	)