http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/asm-generic/iomap.h

#ifndef __GENERIC_IO_H #define __GENERIC_IO_H #include <linux/linkage.h> #include <asm/byteorder.h> /* * These are the "generic" interfaces for doing new-style * memory-mapped or PIO accesses. Architectures may do * their own arch-optimized versions, these just act as * wrappers around the old-style IO register access functions: * read[bwl]/write[bwl]/in[bwl]/out[bwl] * * Don't include this directly, include it from <asm/io.h>. */ /* * Read/write from/to an (offsettable) iomem cookie. It might be a PIO * access or a MMIO access, these functions don't care. The info is * encoded in the hardware mapping set up by the mapping functions * (or the cookie itself, depending on implementation and hw). * * The generic routines just encode the PIO/MMIO as part of the * cookie, and coldly assume that the MMIO IO mappings are not * in the low address range. Architectures for which this is not * true can't use this generic implementation. */ extern unsigned int fastcall ioread8(void __iomem *); extern unsigned int fastcall ioread16(void __iomem *); extern unsigned int fastcall ioread16be(void __iomem *); extern unsigned int fastcall ioread32(void __iomem *); extern unsigned int fastcall ioread32be(void __iomem *); extern void fastcall iowrite8(u8, void __iomem *); extern void fastcall iowrite16(u16, void __iomem *); extern void fastcall iowrite16be(u16, void __iomem *); extern void fastcall iowrite32(u32, void __iomem *); extern void fastcall iowrite32be(u32, void __iomem *); /* * "string" versions of the above. Note that they * use native byte ordering for the accesses (on * the assumption that IO and memory agree on a * byte order, and CPU byteorder is irrelevant). * * They do _not_ update the port address. If you * want MMIO that copies stuff laid out in MMIO * memory across multiple ports, use "memcpy_toio()" * and friends. */ extern void fastcall ioread8_rep(void __iomem *port, void *buf, unsigned long count); extern void fastcall ioread16_rep(void __iomem *port, void *buf, unsigned long count); extern void fastcall ioread32_rep(void __iomem *port, void *buf, unsigned long count); extern void fastcall iowrite8_rep(void __iomem *port, const void *buf, unsigned long count); extern void fastcall iowrite16_rep(void __iomem *port, const void *buf, unsigned long count); extern void fastcall iowrite32_rep(void __iomem *port, const void *buf, unsigned long count); /* Create a virtual mapping cookie for an IO port range */ extern void __iomem *ioport_map(unsigned long port, unsigned int nr); extern void ioport_unmap(void __iomem *); /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */ struct pci_dev; extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max); extern void pci_iounmap(struct pci_dev *dev, void __iomem *); #endif