ubuntu-linux-kernel/drivers/gpu/drm/nouveau/nvif/driver.c

59 lines
1.8 KiB
C

/*
* Copyright 2016 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Ben Skeggs
*/
#include <nvif/driver.h>
#include <nvif/client.h>
static const struct nvif_driver *
nvif_driver[] = {
#ifdef __KERNEL__
&nvif_driver_nvkm,
#else
&nvif_driver_drm,
&nvif_driver_lib,
&nvif_driver_null,
#endif
NULL
};
int
nvif_driver_init(const char *drv, const char *cfg, const char *dbg,
const char *name, u64 device, struct nvif_client *client)
{
int ret = -EINVAL, i;
for (i = 0; (client->driver = nvif_driver[i]); i++) {
if (!drv || !strcmp(client->driver->name, drv)) {
ret = client->driver->init(name, device, cfg, dbg,
&client->object.priv);
if (ret == 0)
break;
client->driver->fini(client->object.priv);
}
}
if (ret == 0)
ret = nvif_client_init(client, name, device, client);
return ret;
}