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 <stdio.h>
  10 #include <string.h>
  11 #include <xf86drm.h>
  12 #include <mediatek_drm.h>
  13 #include <stdio.h>
  14 #include "gbm_priv.h"
  15 #include "helpers.h"
  16
  17 int gbm_mediatek_bo_create(struct gbm_bo *bo, uint32_t width, uint32_t height,
  18                            uint32_t format, uint32_t flags)
  19 {
  20         size_t size = width * height * gbm_bytes_from_format(format);
  21         struct drm_mtk_gem_create gem_create;
  22         int ret;
  23
  24         memset(&gem_create, 0, sizeof(gem_create));
  25         gem_create.size = size;
  26
  27         ret = drmIoctl(bo->gbm->fd, DRM_IOCTL_MTK_GEM_CREATE, &gem_create);
  28         if (ret) {
  29                 fprintf(stderr, "minigbm: DRM_IOCTL_MTK_GEM_CREATE failed "
  30                                 "(size=%zu)\n", size);
  31                 return ret;
  32         }
  33
  34         bo->handle.u32 = gem_create.handle;
  35         bo->size = size;
  36         bo->stride = width * gbm_bytes_from_format(format);
  37
  38         return 0;
  39 }
  40
  41 struct gbm_driver gbm_driver_mediatek =
  42 {
  43         .name = "mediatek",
  44         .bo_create = gbm_mediatek_bo_create,
  45         .bo_destroy = gbm_gem_bo_destroy,
  46         .format_list = {
  47                 {GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
  48                 {GBM_FORMAT_ARGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
  49         }
  50 };
  51
  52 #endif