| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | /* |
| 3 | * arch/arm/mach-ebsa110/include/mach/io.h |
| 4 | * |
| 5 | * Copyright (C) 1997,1998 Russell King |
| 6 | * |
| 7 | * Modifications: |
| 8 | * 06-Dec-1997 RMK Created. |
| 9 | */ |
| 10 | #ifndef __ASM_ARM_ARCH_IO_H |
| 11 | #define __ASM_ARM_ARCH_IO_H |
| 12 | |
| 13 | u8 __inb8(unsigned int port); |
| 14 | void __outb8(u8 val, unsigned int port); |
| 15 | |
| 16 | u8 __inb16(unsigned int port); |
| 17 | void __outb16(u8 val, unsigned int port); |
| 18 | |
| 19 | u16 __inw(unsigned int port); |
| 20 | void __outw(u16 val, unsigned int port); |
| 21 | |
| 22 | u32 __inl(unsigned int port); |
| 23 | void __outl(u32 val, unsigned int port); |
| 24 | |
| 25 | u8 __readb(const volatile void __iomem *addr); |
| 26 | u16 __readw(const volatile void __iomem *addr); |
| 27 | u32 __readl(const volatile void __iomem *addr); |
| 28 | |
| 29 | void __writeb(u8 val, volatile void __iomem *addr); |
| 30 | void __writew(u16 val, volatile void __iomem *addr); |
| 31 | void __writel(u32 val, volatile void __iomem *addr); |
| 32 | |
| 33 | /* |
| 34 | * Argh, someone forgot the IOCS16 line. We therefore have to handle |
| 35 | * the byte stearing by selecting the correct byte IO functions here. |
| 36 | */ |
| 37 | #ifdef ISA_SIXTEEN_BIT_PERIPHERAL |
| 38 | #define inb(p) __inb16(p) |
| 39 | #define outb(v,p) __outb16(v,p) |
| 40 | #else |
| 41 | #define inb(p) __inb8(p) |
| 42 | #define outb(v,p) __outb8(v,p) |
| 43 | #endif |
| 44 | |
| 45 | #define inw(p) __inw(p) |
| 46 | #define outw(v,p) __outw(v,p) |
| 47 | |
| 48 | #define inl(p) __inl(p) |
| 49 | #define outl(v,p) __outl(v,p) |
| 50 | |
| 51 | #define readb(b) __readb(b) |
| 52 | #define readw(b) __readw(b) |
| 53 | #define readl(b) __readl(b) |
| 54 | #define readb_relaxed(addr) readb(addr) |
| 55 | #define readw_relaxed(addr) readw(addr) |
| 56 | #define readl_relaxed(addr) readl(addr) |
| 57 | |
| 58 | #define writeb(v,b) __writeb(v,b) |
| 59 | #define writew(v,b) __writew(v,b) |
| 60 | #define writel(v,b) __writel(v,b) |
| 61 | |
| 62 | #define insb insb |
| 63 | extern void insb(unsigned int port, void *buf, int sz); |
| 64 | #define insw insw |
| 65 | extern void insw(unsigned int port, void *buf, int sz); |
| 66 | #define insl insl |
| 67 | extern void insl(unsigned int port, void *buf, int sz); |
| 68 | |
| 69 | #define outsb outsb |
| 70 | extern void outsb(unsigned int port, const void *buf, int sz); |
| 71 | #define outsw outsw |
| 72 | extern void outsw(unsigned int port, const void *buf, int sz); |
| 73 | #define outsl outsl |
| 74 | extern void outsl(unsigned int port, const void *buf, int sz); |
| 75 | |
| 76 | /* can't support writesb atm */ |
| 77 | #define writesw writesw |
| 78 | extern void writesw(volatile void __iomem *addr, const void *data, int wordlen); |
| 79 | #define writesl writesl |
| 80 | extern void writesl(volatile void __iomem *addr, const void *data, int longlen); |
| 81 | |
| 82 | /* can't support readsb atm */ |
| 83 | #define readsw readsw |
| 84 | extern void readsw(const volatile void __iomem *addr, void *data, int wordlen); |
| 85 | |
| 86 | #define readsl readsl |
| 87 | extern void readsl(const volatile void __iomem *addr, void *data, int longlen); |
| 88 | |
| 89 | #endif |