* found in the LICENSE file.
*/
-#ifdef GBM_MEDIATEK
+#ifdef DRV_MEDIATEK
+#include <stdio.h>
#include <string.h>
+#include <sys/mman.h>
#include <xf86drm.h>
#include <mediatek_drm.h>
-#include <stdio.h>
-#include "gbm_priv.h"
+
+#include "drv_priv.h"
#include "helpers.h"
+#include "util.h"
-int gbm_mediatek_bo_create(struct gbm_bo *bo, uint32_t width, uint32_t height, uint32_t format, uint32_t flags)
+static const uint32_t supported_formats[] = {
+ DRM_FORMAT_ABGR8888, DRM_FORMAT_ARGB8888, DRM_FORMAT_RGB565,
+ DRM_FORMAT_XBGR8888, DRM_FORMAT_XRGB8888, DRM_FORMAT_YVU420,
+ DRM_FORMAT_YVU420_ANDROID
+};
+
+static int mediatek_init(struct driver *drv)
+{
+ return drv_add_linear_combinations(drv, supported_formats,
+ ARRAY_SIZE(supported_formats));
+}
+
+static int mediatek_bo_create(struct bo *bo, uint32_t width, uint32_t height,
+ uint32_t format, uint32_t flags)
{
- size_t size = width * height * gbm_bytes_from_format(format);
- struct drm_mtk_gem_create gem_create;
int ret;
+ size_t plane;
+ struct drm_mtk_gem_create gem_create;
+ uint32_t bytes_per_pixel = drv_stride_from_format(format, 1, 0);
+
+ /*
+ * Since the ARM L1 cache line size is 64 bytes, align to that as a
+ * performance optimization.
+ */
+ width = ALIGN(width, DIV_ROUND_UP(64, bytes_per_pixel));
+ drv_bo_from_format(bo, width, height, format);
memset(&gem_create, 0, sizeof(gem_create));
- gem_create.size = size;
+ gem_create.size = bo->total_size;
- ret = drmIoctl(bo->gbm->fd, DRM_IOCTL_MTK_GEM_CREATE, &gem_create);
- if (ret)
+ ret = drmIoctl(bo->drv->fd, DRM_IOCTL_MTK_GEM_CREATE, &gem_create);
+ if (ret) {
+ fprintf(stderr, "drv: DRM_IOCTL_MTK_GEM_CREATE failed "
+ "(size=%llu)\n", gem_create.size);
return ret;
+ }
- bo->handle.u32 = gem_create.handle;
- bo->size = size;
- bo->stride = width * gbm_bytes_from_format(format);
+ for (plane = 0; plane < bo->num_planes; plane++)
+ bo->handles[plane].u32 = gem_create.handle;
return 0;
}
-struct gbm_driver gbm_driver_mediatek =
+static void *mediatek_bo_map(struct bo *bo, struct map_info *data, size_t plane)
{
- .name = "mediatek",
- .bo_create = gbm_mediatek_bo_create,
- .bo_destroy = gbm_gem_bo_destroy,
- .format_list = {
- {GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
- {GBM_FORMAT_ARGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
+ int ret;
+ struct drm_mtk_gem_map_off gem_map;
+
+ memset(&gem_map, 0, sizeof(gem_map));
+ gem_map.handle = bo->handles[0].u32;
+
+ ret = drmIoctl(bo->drv->fd, DRM_IOCTL_MTK_GEM_MAP_OFFSET, &gem_map);
+ if (ret) {
+ fprintf(stderr,"drv: DRM_IOCTL_MTK_GEM_MAP_OFFSET failed\n");
+ return MAP_FAILED;
}
+
+ data->length = bo->total_size;
+
+ return mmap(0, bo->total_size, PROT_READ | PROT_WRITE, MAP_SHARED,
+ bo->drv->fd, gem_map.offset);
+}
+
+static uint32_t mediatek_resolve_format(uint32_t format)
+{
+ switch (format) {
+ case DRM_FORMAT_FLEX_IMPLEMENTATION_DEFINED:
+ /*HACK: See b/28671744 */
+ return DRM_FORMAT_XBGR8888;
+ case DRM_FORMAT_FLEX_YCbCr_420_888:
+ return DRM_FORMAT_YVU420_ANDROID;
+ default:
+ return format;
+ }
+}
+
+struct backend backend_mediatek =
+{
+ .name = "mediatek",
+ .init = mediatek_init,
+ .bo_create = mediatek_bo_create,
+ .bo_destroy = drv_gem_bo_destroy,
+ .bo_import = drv_prime_bo_import,
+ .bo_map = mediatek_bo_map,
+ .resolve_format = mediatek_resolve_format,
};
#endif