Bool
xf86ParseSbusBusString(const char *busID, int *fbNum)
{
/*
* The format is assumed to be one of:
* "fbN", e.g. "fb1", which means the device corresponding to /dev/fbN
* "nameN", e.g. "cgsix0", which means Nth instance of card NAME
* "/prompath", e.g. "/sbus@0,10001000/cgsix@3,0" which is PROM pathname
* to the device.
*/
const char *id;
int i, len;
if (StringToBusType(busID, &id) != BUS_SBUS)
return FALSE;
if (*id != '/') {
if (!strncmp (id, "fb", 2)) {
if (!isdigit(id[2]))
return FALSE;
*fbNum = atoi(id + 2);
return TRUE;
} else {
sbusDevicePtr *psdpp;
int devId;
for (i = 0, len = 0; sbusDeviceTable[i].devId; i++) {
len = strlen(sbusDeviceTable[i].promName);
if (!strncmp (sbusDeviceTable[i].promName, id, len)
&& isdigit(id[len]))
break;
}
devId = sbusDeviceTable[i].devId;
if (!devId) return FALSE;
i = atoi(id + len);
for (psdpp = xf86SbusInfo; *psdpp; ++psdpp) {
if ((*psdpp)->devId != devId)
continue;
if (!i) {
*fbNum = (*psdpp)->fbNum;
return TRUE;
}
i--;
}
}
return FALSE;
}
if (sparcPromInit() >= 0) {
i = sparcPromPathname2Node(id);
sparcPromClose();
if (i) {
sbusDevicePtr *psdpp;
for (psdpp = xf86SbusInfo; *psdpp; ++psdpp) {
if ((*psdpp)->node.node == i) {
*fbNum = (*psdpp)->fbNum;
return TRUE;
}
}
}
}
return FALSE;
}
Bool
xf86ParsePciBusString(const char *busID, int *bus, int *device, int *func)
{
/*
* The format is assumed to be "bus[@domain]:device[:func]", where domain,
* bus, device and func are decimal integers. domain and func may be
* omitted and assumed to be zero, although doing this isn't encouraged.
*/
char *p, *s, *d;
const char *id;
int i;
if (StringToBusType(busID, &id) != BUS_PCI)
return FALSE;
s = xstrdup(id);
p = strtok(s, ":");
if (p == NULL || *p == 0) {
free(s);
return FALSE;
}
d = strpbrk(p, "@");
if (d != NULL) {
*(d++) = 0;
for (i = 0; d[i] != 0; i++) {
if (!isdigit(d[i])) {
free(s);
return FALSE;
}
}
}
for (i = 0; p[i] != 0; i++) {
if (!isdigit(p[i])) {
free(s);
return FALSE;
}
}
*bus = atoi(p);
if (d != NULL && *d != 0)
*bus += atoi(d) << 8;
p = strtok(NULL, ":");
if (p == NULL || *p == 0) {
free(s);
return FALSE;
}
for (i = 0; p[i] != 0; i++) {
if (!isdigit(p[i])) {
free(s);
return FALSE;
}
}
*device = atoi(p);
*func = 0;
p = strtok(NULL, ":");
if (p == NULL || *p == 0) {
free(s);
return TRUE;
}
for (i = 0; p[i] != 0; i++) {
if (!isdigit(p[i])) {
free(s);
return FALSE;
}
}
*func = atoi(p);
free(s);
return TRUE;
}