/* * linux/arch/arm/lib/io-shark.c * * by Alexander Schulz <aschulz@netwinder.org> * * derived from: * linux/arch/arm/lib/io-ebsa.S * Copyright (C) 1995, 1996 Russell King * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include <linux/kernel.h> #include <asm/io.h> void print_warning(void) { printk(KERN_WARNING "ins?/outs? not implemented on this architecture\n"); } void insl(unsigned int port, void *to, int len) { print_warning(); } void insb(unsigned int port, void *to, int len) { print_warning(); } void outsl(unsigned int port, const void *from, int len) { print_warning(); } void outsb(unsigned int port, const void *from, int len) { print_warning(); } /* these should be in assembler again */ /* * Purpose: read a block of data from a hardware register to memory. * Proto : insw(int from_port, void *to, int len_in_words); * Proto : inswb(int from_port, void *to, int len_in_bytes); * Notes : increment to */ void insw(unsigned int port, void *to, int len) { int i; for (i = 0; i < len; i++) ((unsigned short *) to)[i] = inw(port); } void inswb(unsigned int port, void *to, int len) { insw(port, to, len >> 2); } /* * Purpose: write a block of data from memory to a hardware register. * Proto : outsw(int to_reg, void *from, int len_in_words); * Proto : outswb(int to_reg, void *from, int len_in_bytes); * Notes : increments from */ void outsw(unsigned int port, const void *from, int len) { int i; for (i = 0; i < len; i++) outw(((unsigned short *) from)[i], port); } void outswb(unsigned int port, const void *from, int len) { outsw(port, from, len >> 2); }