osal_io.h

osal_io.h

Overview

Related Modules:

Description:

Declares I/O interfaces.

This file provides operations, such as reading data from and writing data into an I/O address space, remapping an I/O address space to its virtual address space, and unmapping an I/O virtual address associated with the physical address.

Since:

1.0

Version:

1.0

Summary

Macros

Macro Name and Value	Description
OSAL_WRITEB(value, address) writeb(value, address)	Writes one byte of data into an I/O address space.
OSAL_WRITEW(value, address) writew(value, address)	Writes a short integer into an I/O address space.
OSAL_WRITEL(value, address) writel(value, address)	Writes an integer into an I/O address space.
OSAL_READB(address) readb(address)	Reads one byte of data from an I/O address space.
OSAL_READW(address) readw(address)	Reads a short integer from an I/O address space.
OSAL_READL(address) readl(address)	Reads an integer from an I/O address space.

Functions

Function Name	Description
OsalIoRemap (unsigned long phys_addr, unsigned long size)	static void Remaps an I/O physical address to its virtual address.
OsalIoUnmap (void addr)	static void Unmaps an I/O virtual address associated with the physical address.

Function Name

Description

OsalIoRemap (unsigned long phys_addr, unsigned long size)

static void

Remaps an I/O physical address to its virtual address.

OsalIoUnmap (void addr)

static void

Unmaps an I/O virtual address associated with the physical address.