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)
26 struct drm_rockchip_gem_create gem_create;
28 if (format == DRV_FORMAT_NV12) {
29 uint32_t w_mbs = DIV_ROUND_UP(ALIGN(width, 16), 16);
30 uint32_t h_mbs = DIV_ROUND_UP(ALIGN(width, 16), 16);
32 uint32_t aligned_width = w_mbs * 16;
33 uint32_t aligned_height = DIV_ROUND_UP(h_mbs * 16 * 3, 2);
35 drv_bo_from_format(bo, aligned_width, height, format);
36 bo->total_size = bo->strides[0] * aligned_height
37 + w_mbs * h_mbs * 128;
39 drv_bo_from_format(bo, width, height, format);
42 memset(&gem_create, 0, sizeof(gem_create));
43 gem_create.size = bo->total_size;
45 ret = drmIoctl(bo->drv->fd, DRM_IOCTL_ROCKCHIP_GEM_CREATE,
49 fprintf(stderr, "drv: DRM_IOCTL_ROCKCHIP_GEM_CREATE failed "
50 "(size=%llu)\n", gem_create.size);
54 for (plane = 0; plane < bo->num_planes; plane++)
55 bo->handles[plane].u32 = gem_create.handle;
60 static void *rockchip_bo_map(struct bo *bo, struct map_info *data, size_t plane)
63 struct drm_rockchip_gem_map_off gem_map;
65 memset(&gem_map, 0, sizeof(gem_map));
66 gem_map.handle = bo->handles[0].u32;
68 ret = drmIoctl(bo->drv->fd, DRM_IOCTL_ROCKCHIP_GEM_MAP_OFFSET,
72 "drv: DRM_IOCTL_ROCKCHIP_GEM_MAP_OFFSET failed\n");
76 data->length = bo->total_size;
78 return mmap(0, bo->total_size, PROT_READ | PROT_WRITE, MAP_SHARED,
79 bo->drv->fd, gem_map.offset);
82 static drv_format_t rockchip_resolve_format(drv_format_t format)
85 case DRV_FORMAT_FLEX_IMPLEMENTATION_DEFINED:
86 /*HACK: See b/28671744 */
87 return DRV_FORMAT_XBGR8888;
88 case DRV_FORMAT_FLEX_YCbCr_420_888:
89 return DRV_FORMAT_NV12;
95 const struct backend backend_rockchip =
98 .bo_create = rockchip_bo_create,
99 .bo_destroy = drv_gem_bo_destroy,
100 .bo_map = rockchip_bo_map,
101 .resolve_format = rockchip_resolve_format,
103 {DRV_FORMAT_XRGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_RENDERING
104 | DRV_BO_USE_SW_READ_RARELY | DRV_BO_USE_SW_WRITE_RARELY},
105 {DRV_FORMAT_XRGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_LINEAR |
106 DRV_BO_USE_SW_READ_OFTEN | DRV_BO_USE_SW_WRITE_OFTEN},
107 {DRV_FORMAT_XBGR8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_RENDERING
108 | DRV_BO_USE_SW_READ_OFTEN | DRV_BO_USE_SW_WRITE_OFTEN
109 | DRV_BO_USE_SW_READ_RARELY | DRV_BO_USE_SW_WRITE_RARELY},
110 {DRV_FORMAT_XBGR8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_LINEAR |
111 DRV_BO_USE_SW_READ_OFTEN | DRV_BO_USE_SW_WRITE_OFTEN},
112 {DRV_FORMAT_ARGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_RENDERING
113 | DRV_BO_USE_SW_READ_RARELY | DRV_BO_USE_SW_WRITE_RARELY},
114 {DRV_FORMAT_RGB565, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_RENDERING
115 | DRV_BO_USE_SW_READ_RARELY | DRV_BO_USE_SW_WRITE_RARELY},
116 {DRV_FORMAT_ARGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_LINEAR |
117 DRV_BO_USE_SW_READ_OFTEN | DRV_BO_USE_SW_WRITE_OFTEN},
118 {DRV_FORMAT_ABGR8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_RENDERING
119 | DRV_BO_USE_SW_READ_OFTEN | DRV_BO_USE_SW_WRITE_OFTEN
120 | DRV_BO_USE_SW_READ_RARELY | DRV_BO_USE_SW_WRITE_RARELY},
121 {DRV_FORMAT_NV12, DRV_BO_USE_SCANOUT | DRV_BO_USE_RENDERING |
122 DRV_BO_USE_SW_READ_RARELY | DRV_BO_USE_SW_WRITE_RARELY},
123 {DRV_FORMAT_NV12, DRV_BO_USE_SCANOUT | DRV_BO_USE_LINEAR |
124 DRV_BO_USE_SW_READ_OFTEN | DRV_BO_USE_SW_WRITE_OFTEN},
125 {DRV_FORMAT_YVU420, DRV_BO_USE_LINEAR | DRV_BO_USE_SCANOUT |
126 DRV_BO_USE_SW_READ_OFTEN | DRV_BO_USE_SW_WRITE_OFTEN},