mediatek.c

   1 /*
   2  * Copyright 2015 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_MEDIATEK
   8
   9 #include <string.h>
  10 #include <xf86drm.h>
  11 #include <mediatek_drm.h>
  12 #include <stdio.h>
  13 #include "gbm_priv.h"
  14 #include "helpers.h"
  15
  16 int gbm_mediatek_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_mtk_gem_create gem_create;
  20         int ret;
  21
  22         memset(&gem_create, 0, sizeof(gem_create));
  23         gem_create.size = size;
  24
  25         ret = drmIoctl(bo->gbm->fd, DRM_IOCTL_MTK_GEM_CREATE, &gem_create);
  26         if (ret)
  27                 return ret;
  28
  29         bo->handle.u32 = gem_create.handle;
  30         bo->size = size;
  31         bo->stride = width * gbm_bytes_from_format(format);
  32
  33         return 0;
  34 }
  35
  36 struct gbm_driver gbm_driver_mediatek =
  37 {
  38         .name = "mediatek",
  39         .bo_create = gbm_mediatek_bo_create,
  40         .bo_destroy = gbm_gem_bo_destroy,
  41         .format_list = {
  42                 {GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
  43                 {GBM_FORMAT_ARGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
  44         }
  45 };
  46
  47 #endif