rockchip.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_ROCKCHIP
   8
   9 #include <string.h>
  10 #include <xf86drm.h>
  11 #include <rockchip_drm.h>
  12
  13 #include "gbm_priv.h"
  14
  15 int gbm_rockchip_bo_create(struct gbm_bo *bo, uint32_t width, uint32_t height, uint32_t format, uint32_t flags)
  16 {
  17         size_t size = width * height * gbm_bytes_from_format(format);
  18         struct drm_rockchip_gem_create gem_create;
  19         int ret;
  20
  21         memset(&gem_create, 0, sizeof(gem_create));
  22         gem_create.size = size;
  23
  24         ret = drmIoctl(bo->gbm->fd, DRM_IOCTL_ROCKCHIP_GEM_CREATE, &gem_create);
  25         if (ret)
  26                 return ret;
  27
  28         bo->handle.u32 = gem_create.handle;
  29         bo->size = size;
  30         bo->stride = width * gbm_bytes_from_format(format);
  31
  32         return 0;
  33 }
  34
  35 struct gbm_driver gbm_driver_rockchip =
  36 {
  37         .name = "rockchip",
  38         .bo_create = gbm_rockchip_bo_create,
  39         .bo_destroy = gbm_gem_bo_destroy,
  40         .format_list = {
  41                 {GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
  42                 {GBM_FORMAT_ARGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
  43         }
  44 };
  45
  46 #endif