int
xf86platformAddDevice(int index)
{
int i, old_screens, scr_index;
DriverPtr drvp = NULL;
screenLayoutPtr layout;
static const char *hotplug_driver_name = "modesetting";
/* force load the driver for now */
xf86LoadOneModule(hotplug_driver_name, NULL);
for (i = 0; i < xf86NumDrivers; i++) {
if (!xf86DriverList[i])
continue;
if (!strcmp(xf86DriverList[i]->driverName, hotplug_driver_name)) {
drvp = xf86DriverList[i];
break;
}
}
if (i == xf86NumDrivers)
return -1;
old_screens = xf86NumGPUScreens;
doPlatformProbe(&xf86_platform_devices[index], drvp, NULL,
PLATFORM_PROBE_GPU_SCREEN, 0);
if (old_screens == xf86NumGPUScreens)
return -1;
i = old_screens;
for (layout = xf86ConfigLayout.screens; layout->screen != NULL;
layout++) {
xf86GPUScreens[i]->confScreen = layout->screen;
break;
}
if (xf86GPUScreens[i]->PreInit &&
xf86GPUScreens[i]->PreInit(xf86GPUScreens[i], 0))
xf86GPUScreens[i]->configured = TRUE;
if (!xf86GPUScreens[i]->configured) {
ErrorF("hotplugged device %d didn't configure\n", i);
xf86DeleteScreen(xf86GPUScreens[i]);
return -1;
}
scr_index = AddGPUScreen(xf86GPUScreens[i]->ScreenInit, 0, NULL);
if (scr_index == -1) {
xf86DeleteScreen(xf86GPUScreens[i]);
xf86UnclaimPlatformSlot(&xf86_platform_devices[index], NULL);
xf86NumGPUScreens = old_screens;
return -1;
}
dixSetPrivate(&xf86GPUScreens[i]->pScreen->devPrivates,
xf86ScreenKey, xf86GPUScreens[i]);
CreateScratchPixmapsForScreen(xf86GPUScreens[i]->pScreen);
if (xf86GPUScreens[i]->pScreen->CreateScreenResources &&
!(*xf86GPUScreens[i]->pScreen->CreateScreenResources) (xf86GPUScreens[i]->pScreen)) {
RemoveGPUScreen(xf86GPUScreens[i]->pScreen);
xf86DeleteScreen(xf86GPUScreens[i]);
xf86UnclaimPlatformSlot(&xf86_platform_devices[index], NULL);
xf86NumGPUScreens = old_screens;
return -1;
}
/* attach unbound to 0 protocol screen */
AttachUnboundGPU(xf86Screens[0]->pScreen, xf86GPUScreens[i]->pScreen);
RRResourcesChanged(xf86Screens[0]->pScreen);
RRTellChanged(xf86Screens[0]->pScreen);
return 0;
}
void
ati_gdev_subdriver(pointer options)
{
int nATIGDev, nMach64GDev, nR128GDev, nRadeonGDev;
GDevPtr *ATIGDevs;
Bool load_mach64 = FALSE, load_r128 = FALSE, load_radeon = FALSE;
int i;
/* let the subdrivers configure for themselves */
if (xf86ServerIsOnlyDetecting())
return;
/* get Device sections with Driver "ati" */
nATIGDev = xf86MatchDevice(ATI_DRIVER_NAME, &ATIGDevs);
nMach64GDev = xf86MatchDevice(MACH64_DRIVER_NAME, NULL);
nR128GDev = xf86MatchDevice(R128_DRIVER_NAME, NULL);
nRadeonGDev = xf86MatchDevice(RADEON_DRIVER_NAME, NULL);
for (i = 0; i < nATIGDev; i++) {
GDevPtr ati_gdev = ATIGDevs[i];
pciVideoPtr device = NULL;
int chip_family;
/* get pci device for the Device section */
if (ati_gdev->busID) {
int bus, dev, func;
if (!xf86ParsePciBusString(ati_gdev->busID, &bus, &dev, &func))
continue;
device = ati_device_get_from_busid(bus, dev, func);
}
else {
device = ati_device_get_primary();
}
if (!device)
continue;
/* check for non-ati devices and prehistoric mach32 */
if ((PCI_DEV_VENDOR_ID(device) != PCI_VENDOR_ATI) ||
(PCI_DEV_DEVICE_ID(device) == PCI_CHIP_MACH32))
continue;
/* replace Driver line in the Device section */
chip_family = ATIChipID(PCI_DEV_DEVICE_ID(device));
if (chip_family == ATI_CHIP_FAMILY_Mach64) {
ati_gdev->driver = MACH64_DRIVER_NAME;
load_mach64 = TRUE;
}
if (chip_family == ATI_CHIP_FAMILY_Rage128) {
ati_gdev->driver = R128_DRIVER_NAME;
load_r128 = TRUE;
}
if (chip_family == ATI_CHIP_FAMILY_Radeon) {
ati_gdev->driver = RADEON_DRIVER_NAME;
load_radeon = TRUE;
}
}
free(ATIGDevs);
/* load subdrivers as primary modules and only if they do not get loaded
* from other device sections
*/
if (load_mach64 && (nMach64GDev == 0))
xf86LoadOneModule(MACH64_DRIVER_NAME, options);
if (load_r128 && (nR128GDev == 0))
xf86LoadOneModule(R128_DRIVER_NAME, options);
if (load_radeon && (nRadeonGDev == 0))
xf86LoadOneModule(RADEON_DRIVER_NAME, options);
}