1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * arch/arm/mach-ebsa110/include/mach/io.h 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 1997,1998 Russell King 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Modifications: 8*4882a593Smuzhiyun * 06-Dec-1997 RMK Created. 9*4882a593Smuzhiyun */ 10*4882a593Smuzhiyun #ifndef __ASM_ARM_ARCH_IO_H 11*4882a593Smuzhiyun #define __ASM_ARM_ARCH_IO_H 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun u8 __inb8(unsigned int port); 14*4882a593Smuzhiyun void __outb8(u8 val, unsigned int port); 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun u8 __inb16(unsigned int port); 17*4882a593Smuzhiyun void __outb16(u8 val, unsigned int port); 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun u16 __inw(unsigned int port); 20*4882a593Smuzhiyun void __outw(u16 val, unsigned int port); 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun u32 __inl(unsigned int port); 23*4882a593Smuzhiyun void __outl(u32 val, unsigned int port); 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun u8 __readb(const volatile void __iomem *addr); 26*4882a593Smuzhiyun u16 __readw(const volatile void __iomem *addr); 27*4882a593Smuzhiyun u32 __readl(const volatile void __iomem *addr); 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun void __writeb(u8 val, volatile void __iomem *addr); 30*4882a593Smuzhiyun void __writew(u16 val, volatile void __iomem *addr); 31*4882a593Smuzhiyun void __writel(u32 val, volatile void __iomem *addr); 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun /* 34*4882a593Smuzhiyun * Argh, someone forgot the IOCS16 line. We therefore have to handle 35*4882a593Smuzhiyun * the byte stearing by selecting the correct byte IO functions here. 36*4882a593Smuzhiyun */ 37*4882a593Smuzhiyun #ifdef ISA_SIXTEEN_BIT_PERIPHERAL 38*4882a593Smuzhiyun #define inb(p) __inb16(p) 39*4882a593Smuzhiyun #define outb(v,p) __outb16(v,p) 40*4882a593Smuzhiyun #else 41*4882a593Smuzhiyun #define inb(p) __inb8(p) 42*4882a593Smuzhiyun #define outb(v,p) __outb8(v,p) 43*4882a593Smuzhiyun #endif 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun #define inw(p) __inw(p) 46*4882a593Smuzhiyun #define outw(v,p) __outw(v,p) 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun #define inl(p) __inl(p) 49*4882a593Smuzhiyun #define outl(v,p) __outl(v,p) 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun #define readb(b) __readb(b) 52*4882a593Smuzhiyun #define readw(b) __readw(b) 53*4882a593Smuzhiyun #define readl(b) __readl(b) 54*4882a593Smuzhiyun #define readb_relaxed(addr) readb(addr) 55*4882a593Smuzhiyun #define readw_relaxed(addr) readw(addr) 56*4882a593Smuzhiyun #define readl_relaxed(addr) readl(addr) 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun #define writeb(v,b) __writeb(v,b) 59*4882a593Smuzhiyun #define writew(v,b) __writew(v,b) 60*4882a593Smuzhiyun #define writel(v,b) __writel(v,b) 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun #define insb insb 63*4882a593Smuzhiyun extern void insb(unsigned int port, void *buf, int sz); 64*4882a593Smuzhiyun #define insw insw 65*4882a593Smuzhiyun extern void insw(unsigned int port, void *buf, int sz); 66*4882a593Smuzhiyun #define insl insl 67*4882a593Smuzhiyun extern void insl(unsigned int port, void *buf, int sz); 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun #define outsb outsb 70*4882a593Smuzhiyun extern void outsb(unsigned int port, const void *buf, int sz); 71*4882a593Smuzhiyun #define outsw outsw 72*4882a593Smuzhiyun extern void outsw(unsigned int port, const void *buf, int sz); 73*4882a593Smuzhiyun #define outsl outsl 74*4882a593Smuzhiyun extern void outsl(unsigned int port, const void *buf, int sz); 75*4882a593Smuzhiyun 76*4882a593Smuzhiyun /* can't support writesb atm */ 77*4882a593Smuzhiyun #define writesw writesw 78*4882a593Smuzhiyun extern void writesw(volatile void __iomem *addr, const void *data, int wordlen); 79*4882a593Smuzhiyun #define writesl writesl 80*4882a593Smuzhiyun extern void writesl(volatile void __iomem *addr, const void *data, int longlen); 81*4882a593Smuzhiyun 82*4882a593Smuzhiyun /* can't support readsb atm */ 83*4882a593Smuzhiyun #define readsw readsw 84*4882a593Smuzhiyun extern void readsw(const volatile void __iomem *addr, void *data, int wordlen); 85*4882a593Smuzhiyun 86*4882a593Smuzhiyun #define readsl readsl 87*4882a593Smuzhiyun extern void readsl(const volatile void __iomem *addr, void *data, int longlen); 88*4882a593Smuzhiyun 89*4882a593Smuzhiyun #endif 90