1 files changed, 85 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sti/sti_plane.h b/drivers/gpu/drm/sti/sti_plane.h
new file mode 100644
index 000000000..065ffffbf
--- /dev/null
+++ b/drivers/gpu/drm/sti/sti_plane.h
@@ -0,0 +1,85 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) STMicroelectronics SA 2014
+ * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics.
+ */
+
+#ifndef _STI_PLANE_H_
+#define _STI_PLANE_H_
+
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_plane_helper.h>
+
+#define to_sti_plane(x) container_of(x, struct sti_plane, drm_plane)
+
+#define STI_PLANE_TYPE_SHIFT 8
+#define STI_PLANE_TYPE_MASK (~((1 << STI_PLANE_TYPE_SHIFT) - 1))
+
+enum sti_plane_type {
+	STI_GDP = 1 << STI_PLANE_TYPE_SHIFT,
+	STI_VDP = 2 << STI_PLANE_TYPE_SHIFT,
+	STI_CUR = 3 << STI_PLANE_TYPE_SHIFT,
+	STI_BCK = 4 << STI_PLANE_TYPE_SHIFT
+};
+
+enum sti_plane_id_of_type {
+	STI_ID_0 = 0,
+	STI_ID_1 = 1,
+	STI_ID_2 = 2,
+	STI_ID_3 = 3
+};
+
+enum sti_plane_desc {
+	STI_GDP_0       = STI_GDP | STI_ID_0,
+	STI_GDP_1       = STI_GDP | STI_ID_1,
+	STI_GDP_2       = STI_GDP | STI_ID_2,
+	STI_GDP_3       = STI_GDP | STI_ID_3,
+	STI_HQVDP_0     = STI_VDP | STI_ID_0,
+	STI_CURSOR      = STI_CUR,
+	STI_BACK        = STI_BCK
+};
+
+enum sti_plane_status {
+	STI_PLANE_READY,
+	STI_PLANE_UPDATED,
+	STI_PLANE_DISABLING,
+	STI_PLANE_FLUSHING,
+	STI_PLANE_DISABLED,
+};
+
+#define FPS_LENGTH 128
+struct sti_fps_info {
+	bool output;
+	unsigned int curr_frame_counter;
+	unsigned int last_frame_counter;
+	unsigned int curr_field_counter;
+	unsigned int last_field_counter;
+	ktime_t	     last_timestamp;
+	char fps_str[FPS_LENGTH];
+	char fips_str[FPS_LENGTH];
+};
+
+/**
+ * STI plane structure
+ *
+ * @plane:              drm plane it is bound to (if any)
+ * @desc:               plane type & id
+ * @status:             to know the status of the plane
+ * @fps_info:           frame per second info
+ */
+struct sti_plane {
+	struct drm_plane drm_plane;
+	enum sti_plane_desc desc;
+	enum sti_plane_status status;
+	struct sti_fps_info fps_info;
+};
+
+const char *sti_plane_to_str(struct sti_plane *plane);
+void sti_plane_update_fps(struct sti_plane *plane,
+			  bool new_frame,
+			  bool new_field);
+
+void sti_plane_init_property(struct sti_plane *plane,
+			     enum drm_plane_type type);
+void sti_plane_reset(struct drm_plane *plane);
+#endif