drivers/gpu/drm/nouveau/nvkm/engine/nvenc/base.c

   1 /*
   2  * Copyright 2019 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 #include "priv.h"
  23
  24 #include "priv.h"
  25 #include <core/firmware.h>
  26
  27 static void *
  28 nvkm_nvenc_dtor(struct nvkm_engine *engine)
  29 {
  30         struct nvkm_nvenc *nvenc = nvkm_nvenc(engine);
  31         nvkm_falcon_dtor(&nvenc->falcon);
  32         return nvenc;
  33 }
  34
  35 static const struct nvkm_engine_func
  36 nvkm_nvenc = {
  37         .dtor = nvkm_nvenc_dtor,
  38 };
  39
  40 int
  41 nvkm_nvenc_new_(const struct nvkm_nvenc_fwif *fwif, struct nvkm_device *device,
  42                 int index, struct nvkm_nvenc **pnvenc)
  43 {
  44         struct nvkm_nvenc *nvenc;
  45         int ret;
  46
  47         if (!(nvenc = *pnvenc = kzalloc(sizeof(*nvenc), GFP_KERNEL)))
  48                 return -ENOMEM;
  49
  50         ret = nvkm_engine_ctor(&nvkm_nvenc, device, index, true,
  51                                &nvenc->engine);
  52         if (ret)
  53                 return ret;
  54
  55         fwif = nvkm_firmware_load(&nvenc->engine.subdev, fwif, "Nvenc", nvenc);
  56         if (IS_ERR(fwif))
  57                 return -ENODEV;
  58
  59         nvenc->func = fwif->func;
  60
  61         return nvkm_falcon_ctor(nvenc->func->flcn, &nvenc->engine.subdev,
  62                                 nvkm_subdev_name[index], 0, &nvenc->falcon);
  63 };