diff options
Diffstat (limited to 'include/asm-x86/io.h')
-rw-r--r-- | include/asm-x86/io.h | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/include/asm-x86/io.h b/include/asm-x86/io.h deleted file mode 100644 index a233f835e0b..00000000000 --- a/include/asm-x86/io.h +++ /dev/null @@ -1,91 +0,0 @@ -#ifndef ASM_X86__IO_H -#define ASM_X86__IO_H - -#define ARCH_HAS_IOREMAP_WC - -#include <linux/compiler.h> - -#define build_mmio_read(name, size, type, reg, barrier) \ -static inline type name(const volatile void __iomem *addr) \ -{ type ret; asm volatile("mov" size " %1,%0":reg (ret) \ -:"m" (*(volatile type __force *)addr) barrier); return ret; } - -#define build_mmio_write(name, size, type, reg, barrier) \ -static inline void name(type val, volatile void __iomem *addr) \ -{ asm volatile("mov" size " %0,%1": :reg (val), \ -"m" (*(volatile type __force *)addr) barrier); } - -build_mmio_read(readb, "b", unsigned char, "=q", :"memory") -build_mmio_read(readw, "w", unsigned short, "=r", :"memory") -build_mmio_read(readl, "l", unsigned int, "=r", :"memory") - -build_mmio_read(__readb, "b", unsigned char, "=q", ) -build_mmio_read(__readw, "w", unsigned short, "=r", ) -build_mmio_read(__readl, "l", unsigned int, "=r", ) - -build_mmio_write(writeb, "b", unsigned char, "q", :"memory") -build_mmio_write(writew, "w", unsigned short, "r", :"memory") -build_mmio_write(writel, "l", unsigned int, "r", :"memory") - -build_mmio_write(__writeb, "b", unsigned char, "q", ) -build_mmio_write(__writew, "w", unsigned short, "r", ) -build_mmio_write(__writel, "l", unsigned int, "r", ) - -#define readb_relaxed(a) __readb(a) -#define readw_relaxed(a) __readw(a) -#define readl_relaxed(a) __readl(a) -#define __raw_readb __readb -#define __raw_readw __readw -#define __raw_readl __readl - -#define __raw_writeb __writeb -#define __raw_writew __writew -#define __raw_writel __writel - -#define mmiowb() barrier() - -#ifdef CONFIG_X86_64 -build_mmio_read(readq, "q", unsigned long, "=r", :"memory") -build_mmio_read(__readq, "q", unsigned long, "=r", ) -build_mmio_write(writeq, "q", unsigned long, "r", :"memory") -build_mmio_write(__writeq, "q", unsigned long, "r", ) - -#define readq_relaxed(a) __readq(a) -#define __raw_readq __readq -#define __raw_writeq writeq - -/* Let people know we have them */ -#define readq readq -#define writeq writeq -#endif - -extern int iommu_bio_merge; - -#ifdef CONFIG_X86_32 -# include "io_32.h" -#else -# include "io_64.h" -#endif - -extern void *xlate_dev_mem_ptr(unsigned long phys); -extern void unxlate_dev_mem_ptr(unsigned long phys, void *addr); - -extern int ioremap_change_attr(unsigned long vaddr, unsigned long size, - unsigned long prot_val); -extern void __iomem *ioremap_wc(unsigned long offset, unsigned long size); - -/* - * early_ioremap() and early_iounmap() are for temporary early boot-time - * mappings, before the real ioremap() is functional. - * A boot-time mapping is currently limited to at most 16 pages. - */ -extern void early_ioremap_init(void); -extern void early_ioremap_clear(void); -extern void early_ioremap_reset(void); -extern void *early_ioremap(unsigned long offset, unsigned long size); -extern void *early_memremap(unsigned long offset, unsigned long size); -extern void early_iounmap(void *addr, unsigned long size); -extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys); - - -#endif /* ASM_X86__IO_H */ |