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-rw-r--r--include/asm-x86/io.h91
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 a233f835e0b5..000000000000
--- a/include/asm-x86/io.h
+++ /dev/null
@@ -1,91 +0,0 @@
1#ifndef ASM_X86__IO_H
2#define ASM_X86__IO_H
3
4#define ARCH_HAS_IOREMAP_WC
5
6#include <linux/compiler.h>
7
8#define build_mmio_read(name, size, type, reg, barrier) \
9static inline type name(const volatile void __iomem *addr) \
10{ type ret; asm volatile("mov" size " %1,%0":reg (ret) \
11:"m" (*(volatile type __force *)addr) barrier); return ret; }
12
13#define build_mmio_write(name, size, type, reg, barrier) \
14static inline void name(type val, volatile void __iomem *addr) \
15{ asm volatile("mov" size " %0,%1": :reg (val), \
16"m" (*(volatile type __force *)addr) barrier); }
17
18build_mmio_read(readb, "b", unsigned char, "=q", :"memory")
19build_mmio_read(readw, "w", unsigned short, "=r", :"memory")
20build_mmio_read(readl, "l", unsigned int, "=r", :"memory")
21
22build_mmio_read(__readb, "b", unsigned char, "=q", )
23build_mmio_read(__readw, "w", unsigned short, "=r", )
24build_mmio_read(__readl, "l", unsigned int, "=r", )
25
26build_mmio_write(writeb, "b", unsigned char, "q", :"memory")
27build_mmio_write(writew, "w", unsigned short, "r", :"memory")
28build_mmio_write(writel, "l", unsigned int, "r", :"memory")
29
30build_mmio_write(__writeb, "b", unsigned char, "q", )
31build_mmio_write(__writew, "w", unsigned short, "r", )
32build_mmio_write(__writel, "l", unsigned int, "r", )
33
34#define readb_relaxed(a) __readb(a)
35#define readw_relaxed(a) __readw(a)
36#define readl_relaxed(a) __readl(a)
37#define __raw_readb __readb
38#define __raw_readw __readw
39#define __raw_readl __readl
40
41#define __raw_writeb __writeb
42#define __raw_writew __writew
43#define __raw_writel __writel
44
45#define mmiowb() barrier()
46
47#ifdef CONFIG_X86_64
48build_mmio_read(readq, "q", unsigned long, "=r", :"memory")
49build_mmio_read(__readq, "q", unsigned long, "=r", )
50build_mmio_write(writeq, "q", unsigned long, "r", :"memory")
51build_mmio_write(__writeq, "q", unsigned long, "r", )
52
53#define readq_relaxed(a) __readq(a)
54#define __raw_readq __readq
55#define __raw_writeq writeq
56
57/* Let people know we have them */
58#define readq readq
59#define writeq writeq
60#endif
61
62extern int iommu_bio_merge;
63
64#ifdef CONFIG_X86_32
65# include "io_32.h"
66#else
67# include "io_64.h"
68#endif
69
70extern void *xlate_dev_mem_ptr(unsigned long phys);
71extern void unxlate_dev_mem_ptr(unsigned long phys, void *addr);
72
73extern int ioremap_change_attr(unsigned long vaddr, unsigned long size,
74 unsigned long prot_val);
75extern void __iomem *ioremap_wc(unsigned long offset, unsigned long size);
76
77/*
78 * early_ioremap() and early_iounmap() are for temporary early boot-time
79 * mappings, before the real ioremap() is functional.
80 * A boot-time mapping is currently limited to at most 16 pages.
81 */
82extern void early_ioremap_init(void);
83extern void early_ioremap_clear(void);
84extern void early_ioremap_reset(void);
85extern void *early_ioremap(unsigned long offset, unsigned long size);
86extern void *early_memremap(unsigned long offset, unsigned long size);
87extern void early_iounmap(void *addr, unsigned long size);
88extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys);
89
90
91#endif /* ASM_X86__IO_H */