static int (*ioctl_func) (int, int, void *) = NULL;
static int windrvrfd = -1;
static int parportfd = -1;
-static int parportnum = 0;
static unsigned long ppbase = 0;
static unsigned long ecpbase = 0;
+static struct pports *pplist = NULL;
FILE *modulesfp = NULL;
static int modules_read = 0;
static struct usb_bus *busses = NULL;
ret = -1;
break;
}
+ } else if ((port == ecpbase + PP_ECP_CFGA) && ecpbase) {
+ DPRINTF("ECP_CFGA port\n");
+ } else if ((port == ecpbase + PP_ECP_CFGB) && ecpbase) {
+ DPRINTF("ECP_CFGB port\n");
+ } else if ((port == ecpbase + PP_ECP_ECR) && ecpbase) {
+ DPRINTF("ECP_ECR port\n");
} else {
- DPRINTF("access to unsupported address range (probably ECP)!\n");
+ DPRINTF("access to unsupported address range!\n");
ret = 0;
}
ret = (*ioctl_func) (fd, request, wdioctl);
#else
if (parportfd < 0) {
- snprintf(ppdev, sizeof(ppdev), "/dev/parport%d", parportnum);
+ int max = -1;
+ struct pports **port = &pplist;
+
+ while (*port) {
+ DPRINTF("Looking up parallel port in linked list, entry: %d\n", (*port)->num);
+ if (max < (*port)->num)
+ max = (*port)->num;
+
+ if ((*port)->base == (unsigned long)cr->Card.Item[0].I.IO.dwAddr) {
+ break;
+ }
+
+ port = &((*port)->next);
+ }
+
+ if (!(*port)) { /* not found */
+ (*port) = malloc(sizeof(struct pports));
+ if (!(*port)) {
+ perror("malloc");
+ exit(EXIT_FAILURE);
+ }
+
+ (*port)->base = (unsigned long)cr->Card.Item[0].I.IO.dwAddr;
+ (*port)->num = max+1;
+ (*port)->next = NULL;
+
+ DPRINTF("parallel port not in linked list, new entry: %d\n", (*port)->num);
+ }
+
+ snprintf(ppdev, sizeof(ppdev), "/dev/parport%d", (*port)->num);
DPRINTF("opening %s\n", ppdev);
parportfd = open(ppdev, O_RDWR|O_EXCL);
- parportnum++;
if (parportfd < 0)
fprintf(stderr,"Can't open %s: %s\n", ppdev, strerror(errno));
if (ioctl(parportfd, PPNEGOT, &pmode) == -1)
return ret;
- if (cr->Card.dwItems > 1 && cr->Card.Item[1].I.IO.dwBytes) {
+ if (cr->Card.dwItems > 1 && cr->Card.Item[1].I.IO.dwAddr) {
DPRINTF("ECP mode requested\n");
- ecpbase = cr->Card.Item[1].I.IO.dwBytes;
+ ecpbase = (unsigned long)cr->Card.Item[1].I.IO.dwAddr;
/* TODO: Implement ECP mode */
#if 0
pmode = IEEE1284_MODE_ECP;
ioctl(parportfd, PPRELEASE);
close(parportfd);
parportfd = -1;
- parportnum--;
}
#endif
}