1 /* 2 * Copyright 2016 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Ben Skeggs 23 */ 24 #include <nvif/driver.h> 25 #include <nvif/client.h> 26 27 static const struct nvif_driver * 28 nvif_driver[] = { 29 #ifdef __KERNEL__ 30 &nvif_driver_nvkm, 31 #else 32 &nvif_driver_drm, 33 &nvif_driver_lib, 34 &nvif_driver_null, 35 #endif 36 NULL 37 }; 38 39 int 40 nvif_driver_init(const char *drv, const char *cfg, const char *dbg, 41 const char *name, u64 device, struct nvif_client *client) 42 { 43 int ret = -EINVAL, i; 44 45 for (i = 0; (client->driver = nvif_driver[i]); i++) { 46 if (!drv || !strcmp(client->driver->name, drv)) { 47 ret = client->driver->init(name, device, cfg, dbg, 48 &client->object.priv); 49 if (ret == 0) 50 break; 51 client->driver->fini(client->object.priv); 52 } 53 } 54 55 if (ret == 0) 56 ret = nvif_client_ctor(client, name, device, client); 57 return ret; 58 } 59