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/* $OpenBSD: isafcns_jensen.c,v 1.7 2002/06/25 21:33:21 miod Exp $ */
/* $NetBSD: isafcns_jensen.c,v 1.4 1996/10/13 02:59:54 christos Exp $ */
/*
* Copyright (c) 1995, 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#include <sys/types.h>
#include <machine/pio.h>
#include <machine/pte.h>
static u_int8_t jensen_inb(int port);
/* static void jensen_insb(int port, void *addr, int cnt); */
static u_int16_t jensen_inw(int port);
/* static void jensen_insw(int port, void *addr, int cnt); */
u_int32_t jensen_inl(int port);
/* static void jensen_insl(int port, void *addr, int cnt); */
static void jensen_outb(int port, u_int8_t datum);
/* static void jensen_outsb(int port, void *addr, int cnt); */
static void jensen_outw(int port, u_int16_t datum);
/* static void jensen_outsw(int port, void *addr, int cnt); */
static void jensen_outl(int port, u_int32_t datum);
/* static void jensen_outsl(int port, void *addr, int cnt); */
struct alpha_isafcndesc jensen_isafcns = {
jensen_inb, 0 /* jensen_insb */,
jensen_inw, 0 /* jensen_insw */,
jensen_inl, 0 /* jensen_insl */,
jensen_outb, 0 /* jensen_outsb */,
jensen_outw, 0 /* jensen_outsw */,
jensen_outl, 0 /* jensen_outsl */,
};
u_int8_t
jensen_inb(ioaddr)
int ioaddr;
{
u_int32_t *port, val;
u_int8_t rval;
int offset;
offset = ioaddr & 3;
port = (int32_t *)phystok0seg(0x300000000L | 0 << 5 | ioaddr << 7);
val = *port;
rval = ((val) >> (8 * offset)) & 0xff;
rval = val & 0xff;
printf("inb(0x%x) => 0x%x @ %p => 0x%x\n", ioaddr, val, port, rval);
return rval;
}
u_int16_t
jensen_inw(ioaddr)
int ioaddr;
{
u_int32_t *port, val;
u_int16_t rval;
int offset;
offset = ioaddr & 3;
port = (int32_t *)phystok0seg(0x300000000L | 1 << 5 | ioaddr << 7);
val = *port;
rval = ((val) >> (8 * offset)) & 0xffff;
rval = val & 0xffff;
printf("inw(0x%x) => 0x%x @ %p => 0x%x", ioaddr, val, port, rval);
return rval;
}
u_int32_t
jensen_inl(ioaddr)
int ioaddr;
{
u_int32_t *port, val;
u_int32_t rval;
int offset;
offset = ioaddr & 3;
port = (int32_t *)phystok0seg(0x300000000L | 3 << 5 | ioaddr << 7);
val = *port;
rval = ((val) >> (8 * offset)) & 0xffffffff;
rval = val & 0xffffffff;
printf("inl(0x%x) => 0x%x @ %p => 0x%x\n", ioaddr, val, port, rval);
return rval;
}
void
jensen_outb(ioaddr, val)
int ioaddr;
u_int8_t val;
{
u_int32_t *port, nval;
int offset;
offset = ioaddr & 3;
nval = val /*<< (8 * offset)*/;
port = (int32_t *)phystok0seg(0x300000000L | 0 << 5 | ioaddr << 7);
printf("outb(0x%x, 0x%x) => 0x%x @ %p\n", ioaddr, val, nval, port);
*port = nval;
}
void
jensen_outw(ioaddr, val)
int ioaddr;
u_int16_t val;
{
u_int32_t *port, nval;
int offset;
offset = ioaddr & 3;
nval = val /*<< (8 * offset)*/;
port = (int32_t *)phystok0seg(0x300000000L | 1 << 5 | ioaddr << 7);
printf("outb(0x%x, 0x%x) => 0x%x @ %p\n", ioaddr, val, nval, port);
*port = nval;
}
void
jensen_outl(ioaddr, val)
int ioaddr;
u_int32_t val;
{
u_int32_t *port, nval;
int offset;
offset = ioaddr & 3;
nval = val /*<< (8 * offset)*/;
port = (int32_t *)phystok0seg(0x300000000L | 3 << 5 | ioaddr << 7);
printf("outb(0x%x, 0x%x) => 0x%x @ %p\n", ioaddr, val, nval, port);
*port = nval;
}
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