tegra.c

   1 /*
   2  * Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
   3  * Use of this source code is governed by a BSD-style license that can be
   4  * found in the LICENSE file.
   5  */
   6
   7 #ifdef GBM_TEGRA
   8
   9 #include <string.h>
  10 #include <xf86drm.h>
  11 #include <tegra_drm.h>
  12
  13 #include "gbm_priv.h"
  14 #include "helpers.h"
  15
  16 int gbm_tegra_bo_create(struct gbm_bo *bo, uint32_t width, uint32_t height, uint32_t format, uint32_t flags)
  17 {
  18         size_t size = width * height * gbm_bytes_from_format(format);
  19         struct drm_tegra_gem_create gem_create;
  20         int ret;
  21
  22         memset(&gem_create, 0, sizeof(gem_create));
  23         gem_create.size = size;
  24         gem_create.flags = 0;
  25
  26         ret = drmIoctl(bo->gbm->fd, DRM_IOCTL_TEGRA_GEM_CREATE, &gem_create);
  27         if (ret)
  28                 return ret;
  29
  30         bo->handle.u32 = gem_create.handle;
  31         bo->size = size;
  32         bo->stride = width * gbm_bytes_from_format(format);
  33
  34         return 0;
  35 }
  36
  37 struct gbm_driver gbm_driver_tegra =
  38 {
  39         .name = "tegra",
  40         .bo_create = gbm_tegra_bo_create,
  41         .bo_destroy = gbm_gem_bo_destroy,
  42         .format_list = {
  43                 {GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
  44                 {GBM_FORMAT_ARGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
  45         }
  46 };
  47
  48 #endif