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,
  18                            uint32_t format, uint32_t flags)
  19 {
  20         size_t size;
  21         struct drm_rockchip_gem_create gem_create;
  22         int ret;
  23
  24         bo->strides[0] = gbm_stride_from_format(format, width);
  25         size = height * bo->strides[0];
  26
  27         memset(&gem_create, 0, sizeof(gem_create));
  28         gem_create.size = size;
  29
  30         ret = drmIoctl(bo->gbm->fd, DRM_IOCTL_ROCKCHIP_GEM_CREATE, &gem_create);
  31         if (ret) {
  32                 fprintf(stderr, "minigbm: DRM_IOCTL_ROCKCHIP_GEM_CREATE failed "
  33                                 "(size=%zu)\n", size);
  34                 return ret;
  35         }
  36
  37         bo->handles[0].u32 = gem_create.handle;
  38         bo->sizes[0] = size;
  39         bo->offsets[0] = 0;
  40
  41         return 0;
  42 }
  43
  44 struct gbm_driver gbm_driver_rockchip =
  45 {
  46         .name = "rockchip",
  47         .bo_create = gbm_rockchip_bo_create,
  48         .bo_destroy = gbm_gem_bo_destroy,
  49         .format_list = {
  50                 {GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
  51                 {GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_WRITE | GBM_BO_USE_LINEAR},
  52                 {GBM_FORMAT_ARGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
  53                 {GBM_FORMAT_ARGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_WRITE | GBM_BO_USE_LINEAR},
  54                 {GBM_FORMAT_ABGR8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
  55         }
  56 };
  57
  58 #endif