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.
15 #include <rockchip_drm.h>
21 static int rockchip_bo_create(struct bo *bo, uint32_t width, uint32_t height,
22 uint32_t format, uint32_t flags)
28 width = ALIGN(width, 4);
29 height = ALIGN(height, 4);
30 bo->strides[0] = bo->strides[1] = width;
31 bo->sizes[0] = height * bo->strides[0];
32 bo->sizes[1] = height * bo->strides[1] / 2;
34 bo->offsets[1] = height * bo->strides[0];
36 case DRV_FORMAT_XRGB8888:
37 case DRV_FORMAT_XBGR8888:
38 case DRV_FORMAT_ARGB8888:
39 case DRV_FORMAT_ABGR8888:
40 bo->strides[0] = drv_stride_from_format(format, width, 0);
41 bo->sizes[0] = height * bo->strides[0];
45 fprintf(stderr, "drv: rockchip: unsupported format %4.4s\n",
54 for (plane = 0; plane < bo->num_planes; plane++)
55 size += bo->sizes[plane];
57 struct drm_rockchip_gem_create gem_create;
59 memset(&gem_create, 0, sizeof(gem_create));
60 gem_create.size = size;
62 ret = drmIoctl(bo->drv->fd, DRM_IOCTL_ROCKCHIP_GEM_CREATE,
66 fprintf(stderr, "drv: DRM_IOCTL_ROCKCHIP_GEM_CREATE failed "
67 "(size=%zu)\n", size);
70 for (plane = 0; plane < bo->num_planes; plane++)
71 bo->handles[plane].u32 = gem_create.handle;
77 static void *rockchip_bo_map(struct bo *bo)
80 struct drm_rockchip_gem_map_off gem_map;
82 memset(&gem_map, 0, sizeof(gem_map));
83 gem_map.handle = bo->handles[0].u32;
85 ret = drmIoctl(bo->drv->fd, DRM_IOCTL_ROCKCHIP_GEM_MAP_OFFSET,
89 "drv: DRM_IOCTL_ROCKCHIP_GEM_MAP_OFFSET failed\n");
93 return mmap(0, bo->sizes[0], PROT_READ | PROT_WRITE, MAP_SHARED,
94 bo->drv->fd, gem_map.offset);
97 drv_format_t rockchip_resolve_format(drv_format_t format)
100 case DRV_FORMAT_FLEX_IMPLEMENTATION_DEFINED:
101 /*HACK: See b/28671744 */
102 return DRV_FORMAT_XBGR8888;
103 case DRV_FORMAT_FLEX_YCbCr_420_888:
104 return DRV_FORMAT_NV12;
110 const struct backend backend_rockchip =
113 .bo_create = rockchip_bo_create,
114 .bo_destroy = drv_gem_bo_destroy,
115 .bo_map = rockchip_bo_map,
116 .resolve_format = rockchip_resolve_format,
118 {DRV_FORMAT_XRGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR |
119 DRV_BO_USE_RENDERING | DRV_BO_USE_HW_TEXTURE |
120 DRV_BO_USE_HW_RENDER | DRV_BO_USE_HW_2D |
121 DRV_BO_USE_SW_READ_RARELY | DRV_BO_USE_SW_WRITE_RARELY},
122 {DRV_FORMAT_XRGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_LINEAR |
123 DRV_BO_USE_SW_READ_OFTEN | DRV_BO_USE_SW_WRITE_OFTEN},
124 {DRV_FORMAT_XBGR8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR |
125 DRV_BO_USE_RENDERING | DRV_BO_USE_HW_TEXTURE |
126 DRV_BO_USE_HW_RENDER | DRV_BO_USE_HW_2D |
127 DRV_BO_USE_SW_READ_RARELY | DRV_BO_USE_SW_WRITE_RARELY},
128 {DRV_FORMAT_XBGR8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_LINEAR |
129 DRV_BO_USE_SW_READ_OFTEN | DRV_BO_USE_SW_WRITE_OFTEN},
130 {DRV_FORMAT_ARGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR |
131 DRV_BO_USE_RENDERING | DRV_BO_USE_HW_TEXTURE |
132 DRV_BO_USE_HW_RENDER | DRV_BO_USE_HW_2D |
133 DRV_BO_USE_SW_READ_RARELY | DRV_BO_USE_SW_WRITE_RARELY},
134 {DRV_FORMAT_ARGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_LINEAR |
135 DRV_BO_USE_SW_READ_OFTEN | DRV_BO_USE_SW_WRITE_OFTEN},
136 {DRV_FORMAT_ABGR8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR |
137 DRV_BO_USE_RENDERING | DRV_BO_USE_HW_TEXTURE |
138 DRV_BO_USE_HW_RENDER | DRV_BO_USE_HW_2D |
139 DRV_BO_USE_SW_READ_RARELY | DRV_BO_USE_SW_WRITE_RARELY},
140 {DRV_FORMAT_NV12, DRV_BO_USE_SCANOUT | DRV_BO_USE_RENDERING |
141 DRV_BO_USE_HW_TEXTURE | DRV_BO_USE_HW_RENDER |
142 DRV_BO_USE_HW_2D | DRV_BO_USE_SW_READ_RARELY |
143 DRV_BO_USE_SW_WRITE_RARELY},
144 {DRV_FORMAT_NV12, DRV_BO_USE_SCANOUT | DRV_BO_USE_LINEAR |
145 DRV_BO_USE_SW_READ_OFTEN | DRV_BO_USE_SW_WRITE_OFTEN},