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.
14 #include <rockchip_drm.h>
20 static int rockchip_bo_create(struct bo *bo, uint32_t width, uint32_t height,
21 uint32_t format, uint32_t flags)
25 struct drm_rockchip_gem_create gem_create;
27 if (format == DRV_FORMAT_NV12) {
28 uint32_t w_mbs = DIV_ROUND_UP(ALIGN(width, 16), 16);
29 uint32_t h_mbs = DIV_ROUND_UP(ALIGN(width, 16), 16);
31 uint32_t aligned_width = w_mbs * 16;
32 uint32_t aligned_height = DIV_ROUND_UP(h_mbs * 16 * 3, 2);
34 drv_bo_from_format(bo, aligned_width, height, format);
35 bo->total_size = bo->strides[0] * aligned_height
36 + w_mbs * h_mbs * 128;
38 drv_bo_from_format(bo, width, height, format);
41 memset(&gem_create, 0, sizeof(gem_create));
42 gem_create.size = bo->total_size;
44 ret = drmIoctl(bo->drv->fd, DRM_IOCTL_ROCKCHIP_GEM_CREATE,
48 fprintf(stderr, "drv: DRM_IOCTL_ROCKCHIP_GEM_CREATE failed "
49 "(size=%llu)\n", gem_create.size);
53 for (plane = 0; plane < bo->num_planes; plane++)
54 bo->handles[plane].u32 = gem_create.handle;
59 static void *rockchip_bo_map(struct bo *bo, struct map_info *data, size_t plane)
62 struct drm_rockchip_gem_map_off gem_map;
64 memset(&gem_map, 0, sizeof(gem_map));
65 gem_map.handle = bo->handles[0].u32;
67 ret = drmIoctl(bo->drv->fd, DRM_IOCTL_ROCKCHIP_GEM_MAP_OFFSET,
71 "drv: DRM_IOCTL_ROCKCHIP_GEM_MAP_OFFSET failed\n");
75 data->length = bo->total_size;
77 return mmap(0, bo->total_size, PROT_READ | PROT_WRITE, MAP_SHARED,
78 bo->drv->fd, gem_map.offset);
81 static drv_format_t rockchip_resolve_format(drv_format_t format)
84 case DRV_FORMAT_FLEX_IMPLEMENTATION_DEFINED:
85 /*HACK: See b/28671744 */
86 return DRV_FORMAT_XBGR8888;
87 case DRV_FORMAT_FLEX_YCbCr_420_888:
88 return DRV_FORMAT_NV12;
94 const struct backend backend_rockchip =
97 .bo_create = rockchip_bo_create,
98 .bo_destroy = drv_gem_bo_destroy,
99 .bo_map = rockchip_bo_map,
100 .resolve_format = rockchip_resolve_format,
102 {DRV_FORMAT_XRGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_RENDERING
103 | DRV_BO_USE_SW_READ_RARELY | DRV_BO_USE_SW_WRITE_RARELY},
104 {DRV_FORMAT_XRGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_LINEAR |
105 DRV_BO_USE_SW_READ_OFTEN | DRV_BO_USE_SW_WRITE_OFTEN},
106 {DRV_FORMAT_XBGR8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_RENDERING
107 | DRV_BO_USE_SW_READ_OFTEN | DRV_BO_USE_SW_WRITE_OFTEN
108 | DRV_BO_USE_SW_READ_RARELY | DRV_BO_USE_SW_WRITE_RARELY},
109 {DRV_FORMAT_XBGR8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_LINEAR |
110 DRV_BO_USE_SW_READ_OFTEN | DRV_BO_USE_SW_WRITE_OFTEN},
111 {DRV_FORMAT_ARGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_RENDERING
112 | DRV_BO_USE_SW_READ_RARELY | DRV_BO_USE_SW_WRITE_RARELY},
113 {DRV_FORMAT_RGB565, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_RENDERING
114 | DRV_BO_USE_SW_READ_RARELY | DRV_BO_USE_SW_WRITE_RARELY},
115 {DRV_FORMAT_ARGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_LINEAR |
116 DRV_BO_USE_SW_READ_OFTEN | DRV_BO_USE_SW_WRITE_OFTEN},
117 {DRV_FORMAT_ABGR8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_RENDERING
118 | DRV_BO_USE_SW_READ_OFTEN | DRV_BO_USE_SW_WRITE_OFTEN
119 | DRV_BO_USE_SW_READ_RARELY | DRV_BO_USE_SW_WRITE_RARELY},
120 {DRV_FORMAT_NV12, DRV_BO_USE_SCANOUT | DRV_BO_USE_RENDERING |
121 DRV_BO_USE_SW_READ_RARELY | DRV_BO_USE_SW_WRITE_RARELY},
122 {DRV_FORMAT_NV12, DRV_BO_USE_SCANOUT | DRV_BO_USE_LINEAR |
123 DRV_BO_USE_SW_READ_OFTEN | DRV_BO_USE_SW_WRITE_OFTEN},
124 {DRV_FORMAT_YVU420, DRV_BO_USE_RENDERING | DRV_BO_USE_SW_READ_RARELY |
125 DRV_BO_USE_SW_WRITE_RARELY},