src/freedreno/drm/msm_device.c

   1 /*
   2  * Copyright (C) 2012-2018 Rob Clark <robclark@freedesktop.org>
   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 (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  *
  23  * Authors:
  24  *    Rob Clark <robclark@freedesktop.org>
  25  */
  26
  27 #include <sys/types.h>
  28 #include <sys/stat.h>
  29 #include <unistd.h>
  30
  31 #include "msm_priv.h"
  32
  33 static void msm_device_destroy(struct fd_device *dev)
  34 {
  35         struct msm_device *msm_dev = to_msm_device(dev);
  36         free(msm_dev);
  37 }
  38
  39 static const struct fd_device_funcs funcs = {
  40                 .bo_new_handle = msm_bo_new_handle,
  41                 .bo_from_handle = msm_bo_from_handle,
  42                 .pipe_new = msm_pipe_new,
  43                 .destroy = msm_device_destroy,
  44 };
  45
  46 struct fd_device * msm_device_new(int fd)
  47 {
  48         struct msm_device *msm_dev;
  49         struct fd_device *dev;
  50
  51         msm_dev = calloc(1, sizeof(*msm_dev));
  52         if (!msm_dev)
  53                 return NULL;
  54
  55         dev = &msm_dev->base;
  56         dev->funcs = &funcs;
  57
  58         dev->bo_size = sizeof(struct msm_bo);
  59
  60         return dev;
  61 }