| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * linux/include/asm-arm/arch-ebsa110/io.h |
| 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 | |
| 16 | #define IO_SPACE_LIMIT 0xffff |
| 17 | |
| 18 | u8 __inb8(unsigned int port); |
| 19 | void __outb8(u8 val, unsigned int port); |
| 20 | |
| 21 | u8 __inb16(unsigned int port); |
| 22 | void __outb16(u8 val, unsigned int port); |
| 23 | |
| 24 | u16 __inw(unsigned int port); |
| 25 | void __outw(u16 val, unsigned int port); |
| 26 | |
| 27 | u32 __inl(unsigned int port); |
| 28 | void __outl(u32 val, unsigned int port); |
| 29 | |
| 30 | u8 __readb(void __iomem *addr); |
| 31 | u16 __readw(void __iomem *addr); |
| 32 | u32 __readl(void __iomem *addr); |
| 33 | |
| 34 | void __writeb(u8 val, void __iomem *addr); |
| 35 | void __writew(u16 val, void __iomem *addr); |
| 36 | void __writel(u32 val, void __iomem *addr); |
| 37 | |
| 38 | /* |
| 39 | * Argh, someone forgot the IOCS16 line. We therefore have to handle |
| 40 | * the byte stearing by selecting the correct byte IO functions here. |
| 41 | */ |
| 42 | #ifdef ISA_SIXTEEN_BIT_PERIPHERAL |
| 43 | #define inb(p) __inb16(p) |
| 44 | #define outb(v,p) __outb16(v,p) |
| 45 | #else |
| 46 | #define inb(p) __inb8(p) |
| 47 | #define outb(v,p) __outb8(v,p) |
| 48 | #endif |
| 49 | |
| 50 | #define inw(p) __inw(p) |
| 51 | #define outw(v,p) __outw(v,p) |
| 52 | |
| 53 | #define inl(p) __inl(p) |
| 54 | #define outl(v,p) __outl(v,p) |
| 55 | |
| 56 | #define readb(b) __readb(b) |
| 57 | #define readw(b) __readw(b) |
| 58 | #define readl(b) __readl(b) |
| 59 | #define readb_relaxed(addr) readb(addr) |
| 60 | #define readw_relaxed(addr) readw(addr) |
| 61 | #define readl_relaxed(addr) readl(addr) |
| 62 | |
| 63 | #define writeb(v,b) __writeb(v,b) |
| 64 | #define writew(v,b) __writew(v,b) |
| 65 | #define writel(v,b) __writel(v,b) |
| 66 | |
| 67 | #define __arch_ioremap(cookie,sz,c,a) ((void __iomem *)(cookie)) |
| 68 | #define __arch_iounmap(cookie) do { } while (0) |
| 69 | |
| 70 | extern void insb(unsigned int port, void *buf, int sz); |
| 71 | extern void insw(unsigned int port, void *buf, int sz); |
| 72 | extern void insl(unsigned int port, void *buf, int sz); |
| 73 | |
| 74 | extern void outsb(unsigned int port, const void *buf, int sz); |
| 75 | extern void outsw(unsigned int port, const void *buf, int sz); |
| 76 | extern void outsl(unsigned int port, const void *buf, int sz); |
| 77 | |
| 78 | #endif |