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