1 files changed, 94 insertions, 0 deletions
diff --git a/drivers/gpu/drm/hisilicon/kirin960/kirin_fb.c b/drivers/gpu/drm/hisilicon/kirin960/kirin_fb.c
new file mode 100644
index 000000000000..834c9a381a4a
--- /dev/null
+++ b/drivers/gpu/drm/hisilicon/kirin960/kirin_fb.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2013 Red Hat
+ * Author: Rob Clark <robdclark@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <drm/drmP.h>
+
+#include "kirin_drm_drv.h"
+
+#include "drm_crtc.h"
+#include "drm_crtc_helper.h"
+
+struct kirin_framebuffer {
+	struct drm_framebuffer base;
+};
+#define to_kirin_framebuffer(x) container_of(x, struct kirin_framebuffer, base)
+
+
+static int kirin_framebuffer_create_handle(struct drm_framebuffer *fb,
+		struct drm_file *file_priv,
+		unsigned int *handle)
+{
+	//struct kirin_framebuffer *kirin_fb = to_kirin_framebuffer(fb);
+	return 0;
+}
+
+static void kirin_framebuffer_destroy(struct drm_framebuffer *fb)
+{
+	struct kirin_framebuffer *kirin_fb = to_kirin_framebuffer(fb);
+
+	DRM_DEBUG("destroy: FB ID: %d (%p)", fb->base.id, fb);
+
+	drm_framebuffer_cleanup(fb);
+
+	kfree(kirin_fb);
+}
+
+static int kirin_framebuffer_dirty(struct drm_framebuffer *fb,
+		struct drm_file *file_priv, unsigned flags, unsigned color,
+		struct drm_clip_rect *clips, unsigned num_clips)
+{
+	return 0;
+}
+
+static const struct drm_framebuffer_funcs kirin_framebuffer_funcs = {
+	.create_handle = kirin_framebuffer_create_handle,
+	.destroy = kirin_framebuffer_destroy,
+	.dirty = kirin_framebuffer_dirty,
+};
+
+struct drm_framebuffer *kirin_framebuffer_init(struct drm_device *dev,
+		struct drm_mode_fb_cmd2 *mode_cmd)
+{
+	struct kirin_framebuffer *kirin_fb = NULL;
+	struct drm_framebuffer *fb;
+	int ret;
+
+	kirin_fb = kzalloc(sizeof(*kirin_fb), GFP_KERNEL);
+	if (!kirin_fb) {
+		ret = -ENOMEM;
+		goto fail;
+	}
+
+	fb = &kirin_fb->base;
+
+	drm_helper_mode_fill_fb_struct(fb, mode_cmd);
+
+	ret = drm_framebuffer_init(dev, fb, &kirin_framebuffer_funcs);
+	if (ret) {
+		dev_err(dev->dev, "framebuffer init failed: %d\n", ret);
+		goto fail;
+	}
+
+	DRM_DEBUG("create: FB ID: %d (%p)", fb->base.id, fb);
+
+	return fb;
+
+fail:
+	kfree(kirin_fb);
+
+	return ERR_PTR(ret);
+}