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 static int gbm_mediatek_bo_create(struct gbm_bo *bo,
  18                                   uint32_t width, uint32_t height,
  19                                   uint32_t format, uint32_t flags)
  20 {
  21         size_t size;
  22         struct drm_mtk_gem_create gem_create;
  23         int ret;
  24
  25         bo->strides[0] = gbm_stride_from_format(format, width);
  26         size = height * bo->strides[0];
  27
  28         memset(&gem_create, 0, sizeof(gem_create));
  29         gem_create.size = size;
  30
  31         ret = drmIoctl(bo->gbm->fd, DRM_IOCTL_MTK_GEM_CREATE, &gem_create);
  32         if (ret) {
  33                 fprintf(stderr, "minigbm: DRM_IOCTL_MTK_GEM_CREATE failed "
  34                                 "(size=%zu)\n", size);
  35                 return ret;
  36         }
  37
  38         bo->handles[0].u32 = gem_create.handle;
  39         bo->sizes[0] = size;
  40         bo->offsets[0] = 0;
  41
  42         return 0;
  43 }
  44
  45 const struct gbm_driver gbm_driver_mediatek =
  46 {
  47         .name = "mediatek",
  48         .bo_create = gbm_mediatek_bo_create,
  49         .bo_destroy = gbm_gem_bo_destroy,
  50         .format_list = {
  51                 {GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING},
  52                 {GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_LINEAR},
  53                 {GBM_FORMAT_ARGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING},
  54                 {GBM_FORMAT_ARGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_LINEAR},
  55         }
  56 };
  57
  58 #endif