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.
13 #include <mediatek_drm.h>
18 static int mediatek_bo_create(struct bo *bo, uint32_t width, uint32_t height,
19 uint32_t format, uint32_t flags)
22 struct drm_mtk_gem_create gem_create;
25 bo->strides[0] = drv_stride_from_format(format, width);
26 size = height * bo->strides[0];
28 memset(&gem_create, 0, sizeof(gem_create));
29 gem_create.size = size;
31 ret = drmIoctl(bo->drv->fd, DRM_IOCTL_MTK_GEM_CREATE, &gem_create);
33 fprintf(stderr, "drv: DRM_IOCTL_MTK_GEM_CREATE failed "
34 "(size=%zu)\n", size);
38 bo->handles[0].u32 = gem_create.handle;
45 static void *mediatek_bo_map(struct bo *bo)
48 struct drm_mtk_gem_map_off gem_map;
50 memset(&gem_map, 0, sizeof(gem_map));
51 gem_map.handle = bo->handles[0].u32;
53 ret = drmIoctl(bo->drv->fd, DRM_IOCTL_MTK_GEM_MAP_OFFSET, &gem_map);
55 fprintf(stderr,"drv: DRM_IOCTL_MTK_GEM_MAP_OFFSET failed\n");
59 return mmap(0, bo->sizes[0], PROT_READ | PROT_WRITE, MAP_SHARED,
60 bo->drv->fd, gem_map.offset);
63 const struct backend backend_mediatek =
66 .bo_create = mediatek_bo_create,
67 .bo_destroy = drv_gem_bo_destroy,
68 .bo_map = mediatek_bo_map,
70 {DRV_FORMAT_XRGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_RENDERING},
71 {DRV_FORMAT_XRGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_LINEAR},
72 {DRV_FORMAT_ARGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_RENDERING},
73 {DRV_FORMAT_ARGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_LINEAR},