projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| a09e64fb | 2 | * arch/arm/mach-ebsa110/include/mach/io.h |
| 1da177e4 LT |
3 | * |
| 4 | * Copyright (C) 1997,1998 Russell King | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License version 2 as | |
| 8 | * published by the Free Software Foundation. | |
| 9 | * | |
| 10 | * Modifications: | |
| 11 | * 06-Dec-1997 RMK Created. | |
| 12 | */ | |
| 13 | #ifndef __ASM_ARM_ARCH_IO_H | |
| 14 | #define __ASM_ARM_ARCH_IO_H | |
| 15 | ||
| 1da177e4 LT |
16 | u8 __inb8(unsigned int port); |
| 17 | void __outb8(u8 val, unsigned int port); | |
| 18 | ||
| 19 | u8 __inb16(unsigned int port); | |
| 20 | void __outb16(u8 val, unsigned int port); | |
| 21 | ||
| 22 | u16 __inw(unsigned int port); | |
| 23 | void __outw(u16 val, unsigned int port); | |
| 24 | ||
| 25 | u32 __inl(unsigned int port); | |
| 26 | void __outl(u32 val, unsigned int port); | |
| 27 | ||
| 8de35efb RK |
28 | u8 __readb(const volatile void __iomem *addr); |
| 29 | u16 __readw(const volatile void __iomem *addr); | |
| 30 | u32 __readl(const volatile void __iomem *addr); | |
| 1da177e4 | 31 | |
| 2cd0f559 TR |
32 | void __writeb(u8 val, volatile void __iomem *addr); |
| 33 | void __writew(u16 val, volatile void __iomem *addr); | |
| 34 | void __writel(u32 val, volatile void __iomem *addr); | |
| 1da177e4 LT |
35 | |
| 36 | /* | |
| 37 | * Argh, someone forgot the IOCS16 line. We therefore have to handle | |
| 38 | * the byte stearing by selecting the correct byte IO functions here. | |
| 39 | */ | |
| 40 | #ifdef ISA_SIXTEEN_BIT_PERIPHERAL | |
| 41 | #define inb(p) __inb16(p) | |
| 42 | #define outb(v,p) __outb16(v,p) | |
| 43 | #else | |
| 44 | #define inb(p) __inb8(p) | |
| 45 | #define outb(v,p) __outb8(v,p) | |
| 46 | #endif | |
| 47 | ||
| 48 | #define inw(p) __inw(p) | |
| 49 | #define outw(v,p) __outw(v,p) | |
| 50 | ||
| 51 | #define inl(p) __inl(p) | |
| 52 | #define outl(v,p) __outl(v,p) | |
| 53 | ||
| 54 | #define readb(b) __readb(b) | |
| 55 | #define readw(b) __readw(b) | |
| 56 | #define readl(b) __readl(b) | |
| 57 | #define readb_relaxed(addr) readb(addr) | |
| 58 | #define readw_relaxed(addr) readw(addr) | |
| 59 | #define readl_relaxed(addr) readl(addr) | |
| 60 | ||
| 61 | #define writeb(v,b) __writeb(v,b) | |
| 62 | #define writew(v,b) __writew(v,b) | |
| 63 | #define writel(v,b) __writel(v,b) | |
| 64 | ||
| 2cd0f559 | 65 | #define insb insb |
| 1da177e4 | 66 | extern void insb(unsigned int port, void *buf, int sz); |
| 2cd0f559 | 67 | #define insw insw |
| 1da177e4 | 68 | extern void insw(unsigned int port, void *buf, int sz); |
| 2cd0f559 | 69 | #define insl insl |
| 1da177e4 LT |
70 | extern void insl(unsigned int port, void *buf, int sz); |
| 71 | ||
| 2cd0f559 | 72 | #define outsb outsb |
| 1da177e4 | 73 | extern void outsb(unsigned int port, const void *buf, int sz); |
| 2cd0f559 | 74 | #define outsw outsw |
| 1da177e4 | 75 | extern void outsw(unsigned int port, const void *buf, int sz); |
| 2cd0f559 | 76 | #define outsl outsl |
| 1da177e4 LT |
77 | extern void outsl(unsigned int port, const void *buf, int sz); |
| 78 | ||
| 27350afd | 79 | /* can't support writesb atm */ |
| 2cd0f559 TR |
80 | #define writesw writesw |
| 81 | extern void writesw(volatile void __iomem *addr, const void *data, int wordlen); | |
| 82 | #define writesl writesl | |
| 83 | extern void writesl(volatile void __iomem *addr, const void *data, int longlen); | |
| 27350afd RK |
84 | |
| 85 | /* can't support readsb atm */ | |
| 2cd0f559 TR |
86 | #define readsw readsw |
| 87 | extern void readsw(const volatile void __iomem *addr, void *data, int wordlen); | |
| 88 | ||
| 89 | #define readsl readsl | |
| 90 | extern void readsl(const volatile void __iomem *addr, void *data, int longlen); | |
| 27350afd | 91 | |
| 1da177e4 | 92 | #endif |