1 files changed, 100 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/dal/controller/cursor.c b/drivers/gpu/drm/amd/dal/controller/cursor.c
new file mode 100644
index 000000000000..c208e959e036
--- /dev/null
+++ b/drivers/gpu/drm/amd/dal/controller/cursor.c
@@ -0,0 +1,100 @@
+/*
+ * Copyright 2012-15 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dal_services.h"
+
+#include "cursor.h"
+
+bool dal_cursor_construct(
+		struct cursor *cur,
+		struct cursor_init_data *init_data)
+{
+	if (!init_data)
+		return false;
+
+	cur->id = init_data->id;
+	cur->ctx = init_data->dal_ctx;
+
+	cur->is_enabled = false;
+
+	return true;
+}
+
+bool dal_cursor_set_position(
+	struct cursor *cur,
+	const struct cursor_position *position)
+{
+	/* lock cursor registers */
+	cur->funcs->lock(cur, true);
+
+	/* Flag passed in structure differentiates cursor enable/disable. */
+	/* Update if it differs from cached state. */
+	cur->funcs->enable(cur, position->enable);
+
+	cur->funcs->program_position(cur, position->x, position->y);
+
+	if (position->hot_spot_enable)
+		cur->funcs->program_hotspot(
+				cur,
+				position->x_origin,
+				position->y_origin);
+
+	/* unlock cursor registers */
+	cur->funcs->lock(cur, false);
+
+	return true;
+}
+
+bool dal_cursor_set_attributes(
+	struct cursor *cur,
+	const struct cursor_attributes *attributes)
+{
+	/* Lock cursor registers */
+	cur->funcs->lock(cur, true);
+
+	/* Program cursor control */
+	cur->funcs->program_control(
+		cur,
+		attributes->color_format,
+		attributes->attribute_flags.bits.ENABLE_MAGNIFICATION,
+		attributes->attribute_flags.bits.INVERSE_TRANSPARENT_CLAMPING);
+
+	/* Program hot spot coordinates */
+	cur->funcs->program_hotspot(cur, attributes->x_hot, attributes->y_hot);
+
+	/*
+	 * Program cursor size -- NOTE: HW spec specifies that HW register
+	 * stores size as (height - 1, width - 1)
+	 */
+	cur->funcs->program_size(cur, attributes->width, attributes->height);
+
+	/* Program cursor surface address */
+	cur->funcs->program_address(cur, attributes->address);
+
+	/* Unlock Cursor registers. */
+	cur->funcs->lock(cur, false);
+
+	return true;
+}