static Bool radeon_kernel_mode_enabled(ScrnInfoPtr pScrn, struct pci_device *pci_dev)
{
char *busIdString;
int ret;
if (!xf86LoaderCheckSymbol("DRICreatePCIBusID")) {
xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 0,
"[KMS] No DRICreatePCIBusID symbol, no kernel modesetting.\n");
return FALSE;
}
busIdString = DRICreatePCIBusID(pci_dev);
ret = drmCheckModesettingSupported(busIdString);
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
if (ret) {
if (xf86LoadKernelModule("radeonkms"))
ret = drmCheckModesettingSupported(busIdString);
}
#endif
free(busIdString);
if (ret) {
xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 0,
"[KMS] drm report modesetting isn't supported.\n");
return FALSE;
}
xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 0,
"[KMS] Kernel modesetting enabled.\n");
return TRUE;
}
static Bool has_kernel_mode_setting(const struct pci_device *dev)
{
char id[20];
int ret, fd;
snprintf(id, sizeof(id),
"pci:%04x:%02x:%02x.%d",
dev->domain, dev->bus, dev->dev, dev->func);
ret = drmCheckModesettingSupported(id);
if (ret) {
if (xf86LoadKernelModule("i915"))
ret = drmCheckModesettingSupported(id);
if (ret)
return FALSE;
/* Be nice to the user and load fbcon too */
(void)xf86LoadKernelModule("fbcon");
}
/* Confirm that this is a i915.ko device with GEM/KMS enabled */
ret = FALSE;
fd = drmOpen(NULL, id);
if (fd != -1) {
drmVersionPtr version = drmGetVersion(fd);
if (version) {
ret = strcmp ("i915", version->name) == 0;
drmFreeVersion(version);
}
if (ret) {
struct drm_i915_getparam gp;
gp.param = I915_PARAM_HAS_GEM;
gp.value = &ret;
if (drmIoctl(fd, DRM_IOCTL_I915_GETPARAM, &gp))
ret = FALSE;
}
if (ret) {
struct drm_mode_card_res res;
memset(&res, 0, sizeof(res));
if (drmIoctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res))
ret = FALSE;
}
close(fd);
}
return ret;
}
static Bool
nouveau_xorg_pci_probe(DriverPtr driver,
int entity_num, struct pci_device *device, intptr_t match_data)
{
ScrnInfoPtr scrn = NULL;
struct nouveau_device *dev = NULL;
char *busid;
int chipset, ret;
busid = malloc(64);
if (!busid)
return FALSE;
sprintf(busid, "pci:%04x:%02x:%02x.%d",
device->domain, device->bus,
device->dev, device->func);
ret = drmCheckModesettingSupported(busid);
if (ret) {
xf86DrvMsg(-1, X_ERROR, "[drm] KMS not enabled\n");
free(busid);
return FALSE;
}
ret = nouveau_device_open(busid, &dev);
free(busid);
if (ret) {
xf86DrvMsg(-1, X_ERROR, "[drm] failed to open device\n");
return FALSE;
}
chipset = dev->chipset;
nouveau_device_del(&dev);
switch (chipset & 0xf0) {
case 0x00:
case 0x10:
case 0x20:
xf86DrvMsg(-1, X_NOTICE, "Too old chipset: NV%02x\n", chipset);
return FALSE;
case 0x30:
case 0x40:
case 0x60:
case 0x50:
case 0x80:
case 0x90:
case 0xa0:
case 0xc0:
case 0xd0:
case 0xe0:
case 0xf0:
xf86DrvMsg(-1, X_INFO, "Detected chipset: NV%02x\n", chipset);
break;
default:
xf86DrvMsg(-1, X_ERROR, "Unknown chipset: NV%02x\n", chipset);
return FALSE;
}
scrn = xf86ConfigPciEntity(scrn, 0, entity_num, nouveau_xorg_pci_devices,
NULL, NULL, NULL, NULL, NULL);
if (scrn != NULL) {
scrn->driverVersion = 1;
scrn->driverName = "nouveau";
scrn->name = "nouveau2";
scrn->Probe = NULL;
/* Use all the functions from the xorg tracker */
xorg_tracker_set_functions(scrn);
}
return scrn != NULL;
}
