138 lines
3.3 KiB
C
138 lines
3.3 KiB
C
/* $NetBSD: map_vme.c,v 1.2 2003/12/04 16:23:37 drochner Exp $ */
|
|
|
|
/********************************************************/
|
|
/* map_vme.c */
|
|
/* VME control of TrueTime VME-SG sync gen card */
|
|
/* and TrueTime GPS-VME receiver card */
|
|
/* Version for 700 series HPUX 9.0 */
|
|
/* Richard E.Schmidt, US Naval Observatory, Washington */
|
|
/* 27 March 94 */
|
|
/********************************************************/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif
|
|
|
|
#if defined(REFCLOCK) && defined(CLOCK_GPSVME)
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
#include <time.h>
|
|
#include <sys/types.h>
|
|
#include <fcntl.h>
|
|
#include <sys/file.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/sysmacros.h>
|
|
#include <sys/rtprio.h> /* for rtprio */
|
|
#include <sys/lock.h> /* for plock */
|
|
#include "/etc/conf/machine/vme2.h"
|
|
#include "/etc/conf/h/io.h"
|
|
#include "gps.h"
|
|
|
|
/* GLOBALS */
|
|
void *gps_base;
|
|
unsigned short *greg[NREGS];
|
|
struct vme2_map_addr ma; /* memory mapped structure */
|
|
int fd; /* file descriptor for VME */
|
|
|
|
void unmap_vme ();
|
|
|
|
caddr_t
|
|
map_vme (
|
|
char *filename
|
|
)
|
|
{
|
|
int ret;
|
|
caddr_t base;
|
|
struct vme2_io_testx tx;
|
|
caddr_t cp;
|
|
|
|
#define VME_START_ADDR 0x00000 /* Starting address in A16N VME Space */
|
|
#define VMESIZE 0xFF /* 256 bytes of A16N space length */
|
|
|
|
/*
|
|
To create the HP9000/700 series device file, /dev/vme2:
|
|
mknod /dev/vme2 c 44 0x0; chmod 600 /dev/vme2
|
|
|
|
Then must create /etc/vme.CFG and run /etc/vme_config and reboot.
|
|
*/
|
|
if ((fd = open (filename, O_RDWR)) < 0) {
|
|
printf("ERROR: VME bus adapter open failed. errno:%d\n",
|
|
errno);
|
|
if(errno == ENODEV) {
|
|
printf("ENODEV. Is driver in kernel? vme2 in dfile?\n");
|
|
}
|
|
exit(errno);
|
|
}
|
|
tx.card_type = VME_A16;
|
|
tx.vme_addr = VME_START_ADDR;
|
|
tx.width = SHORT_WIDE;
|
|
|
|
if(ioctl(fd, VME2_IO_TESTR, &tx)) {
|
|
printf("ioctl to test VME space failed. Errno: %d\n",
|
|
errno);
|
|
exit(errno);
|
|
}
|
|
if(tx.error)
|
|
printf("io_testr failed internal error %d\n",tx.error);
|
|
if(tx.access_result < 0) {
|
|
printf("io_testr failed\n");
|
|
exit(2);
|
|
}
|
|
|
|
/* If successful mmap the device */
|
|
/* NOW MAP THE CARD */
|
|
ma.card_type = VME_A16;
|
|
ma.vme_addr = VME_START_ADDR;
|
|
ma.size = VMESIZE;
|
|
|
|
if(ioctl(fd, VME2_MAP_ADDR, &ma)) {
|
|
printf("ioctl to map VME space failed. Errno: %d\n",
|
|
errno);
|
|
exit(errno);
|
|
}
|
|
if(ma.error) {
|
|
printf("ioctl to map VME failed\n");
|
|
exit(ENOMEM);
|
|
}
|
|
base = ma.user_addr;
|
|
return(base);
|
|
}
|
|
|
|
|
|
void
|
|
unmap_vme(void)
|
|
{
|
|
if(ioctl(fd, VME2_UNMAP_ADDR, &ma))
|
|
printf("ioctl to unmap VME space failed. Errno: %d\n",
|
|
errno);
|
|
close(fd);
|
|
return;
|
|
}
|
|
|
|
|
|
int
|
|
init_vme(boid)
|
|
{
|
|
/* set up address offsets */
|
|
|
|
gps_base = map_vme (GPS_VME);
|
|
|
|
/* offsets from base address: */
|
|
|
|
greg[0] = (unsigned short *)gps_base + GFRZ1;
|
|
greg[1] = (unsigned short *)gps_base + GUFRZ1;
|
|
greg[2] = (unsigned short *)gps_base + GREG1A;
|
|
greg[3] = (unsigned short *)gps_base + GREG1B;
|
|
greg[4] = (unsigned short *)gps_base + GREG1C;
|
|
greg[5] = (unsigned short *)gps_base + GREG1D;
|
|
greg[6] = (unsigned short *)gps_base + GREG1E;
|
|
|
|
return (0);
|
|
}
|
|
|
|
#else /* not (REFCLOCK && CLOCK_GPSVME) */
|
|
int map_vme_bs;
|
|
#endif /* not (REFCLOCK && CLOCK_GPSVME) */
|