/*
- * Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
+ * Copyright 2014 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
-#ifdef GBM_EXYNOS
+#ifdef DRV_EXYNOS
+// clang-format off
+#include <assert.h>
+#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <xf86drm.h>
#include <exynos_drm.h>
+// clang-format on
-#include "gbm_priv.h"
+#include "drv_priv.h"
#include "helpers.h"
+#include "util.h"
-int gbm_exynos_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_ARGB8888, DRM_FORMAT_NV12,
+ DRM_FORMAT_XRGB8888 };
+
+static int exynos_init(struct driver *drv)
{
- size_t size = width * height * gbm_bytes_from_format(format);
- struct drm_exynos_gem_create gem_create;
- int ret;
+ return drv_add_linear_combinations(drv, supported_formats, ARRAY_SIZE(supported_formats));
+}
- memset(&gem_create, 0, sizeof(gem_create));
- gem_create.size = size;
- gem_create.flags = EXYNOS_BO_NONCONTIG;
+static int exynos_bo_create(struct bo *bo, uint32_t width, uint32_t height, uint32_t format,
+ uint32_t flags)
+{
+ size_t plane;
- ret = drmIoctl(bo->gbm->fd, DRM_IOCTL_EXYNOS_GEM_CREATE, &gem_create);
- if (ret) {
- fprintf(stderr, "minigbm: DRM_IOCTL_EXYNOS_GEM_CREATE failed "
- "(size=%zu)\n", size);
- return ret;
+ if (format == DRM_FORMAT_NV12) {
+ uint32_t chroma_height;
+ /* V4L2 s5p-mfc requires width to be 16 byte aligned and height 32. */
+ width = ALIGN(width, 16);
+ height = ALIGN(height, 32);
+ chroma_height = ALIGN(height / 2, 32);
+ bo->strides[0] = bo->strides[1] = width;
+ /* MFC v8+ requires 64 byte padding in the end of luma and chroma buffers. */
+ bo->sizes[0] = bo->strides[0] * height + 64;
+ bo->sizes[1] = bo->strides[1] * chroma_height + 64;
+ bo->offsets[0] = bo->offsets[1] = 0;
+ bo->total_size = bo->sizes[0] + bo->sizes[1];
+ } else if (format == DRM_FORMAT_XRGB8888 || format == DRM_FORMAT_ARGB8888) {
+ bo->strides[0] = drv_stride_from_format(format, width, 0);
+ bo->total_size = bo->sizes[0] = height * bo->strides[0];
+ bo->offsets[0] = 0;
+ } else {
+ fprintf(stderr, "drv: unsupported format %X\n", format);
+ assert(0);
+ return -EINVAL;
}
- bo->handle.u32 = gem_create.handle;
- bo->size = size;
- bo->stride = width * gbm_bytes_from_format(format);
+ int ret;
+ for (plane = 0; plane < bo->num_planes; plane++) {
+ size_t size = bo->sizes[plane];
+ struct drm_exynos_gem_create gem_create;
+
+ memset(&gem_create, 0, sizeof(gem_create));
+ gem_create.size = size;
+ gem_create.flags = EXYNOS_BO_NONCONTIG;
+
+ ret = drmIoctl(bo->drv->fd, DRM_IOCTL_EXYNOS_GEM_CREATE, &gem_create);
+ if (ret) {
+ fprintf(stderr, "drv: DRM_IOCTL_EXYNOS_GEM_CREATE failed (size=%zu)\n",
+ size);
+ goto cleanup_planes;
+ }
+
+ bo->handles[plane].u32 = gem_create.handle;
+ }
return 0;
+
+cleanup_planes:
+ for (; plane != 0; plane--) {
+ struct drm_gem_close gem_close;
+ memset(&gem_close, 0, sizeof(gem_close));
+ gem_close.handle = bo->handles[plane - 1].u32;
+ int gem_close_ret = drmIoctl(bo->drv->fd, DRM_IOCTL_GEM_CLOSE, &gem_close);
+ if (gem_close_ret) {
+ fprintf(stderr, "drv: DRM_IOCTL_GEM_CLOSE failed: %d\n", gem_close_ret);
+ }
+ }
+
+ return ret;
}
-const struct gbm_driver gbm_driver_exynos =
-{
+/*
+ * Use dumb mapping with exynos even though a GEM buffer is created.
+ * libdrm does the same thing in exynos_drm.c
+ */
+struct backend backend_exynos = {
.name = "exynos",
- .bo_create = gbm_exynos_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},
- }
+ .init = exynos_init,
+ .bo_create = exynos_bo_create,
+ .bo_destroy = drv_gem_bo_destroy,
+ .bo_import = drv_prime_bo_import,
+ .bo_map = drv_dumb_bo_map,
};
#endif