1 files changed, 101 insertions, 0 deletions
diff --git a/drivers/gpu/drm/imx/dc/dc-pe.h b/drivers/gpu/drm/imx/dc/dc-pe.h
new file mode 100644
index 000000000000..f5e01a6eb9e9
--- /dev/null
+++ b/drivers/gpu/drm/imx/dc/dc-pe.h
@@ -0,0 +1,101 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2024 NXP
+ */
+
+#ifndef __DC_PIXEL_ENGINE_H__
+#define __DC_PIXEL_ENGINE_H__
+
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/regmap.h>
+
+#include "dc-de.h"
+
+#define SHDEN			BIT(0)
+
+#define CLKEN_MASK_SHIFT	24
+#define CLKEN_MASK		(0x3 << CLKEN_MASK_SHIFT)
+#define CLKEN(n)		((n) << CLKEN_MASK_SHIFT)
+
+#define DC_DISP_FU_CNT		2
+#define DC_LB_CNT		4
+
+enum dc_link_id {
+	LINK_ID_NONE		= 0x00,
+	LINK_ID_CONSTFRAME0	= 0x0c,
+	LINK_ID_CONSTFRAME4	= 0x0e,
+	LINK_ID_CONSTFRAME1	= 0x10,
+	LINK_ID_CONSTFRAME5	= 0x12,
+	LINK_ID_FETCHWARP2	= 0x14,
+	LINK_ID_FETCHLAYER0	= 0x1a,
+	LINK_ID_LAYERBLEND0	= 0x21,
+	LINK_ID_LAYERBLEND1	= 0x22,
+	LINK_ID_LAYERBLEND2	= 0x23,
+	LINK_ID_LAYERBLEND3	= 0x24,
+};
+
+enum dc_lb_mode {
+	LB_NEUTRAL,	/* Output is same as primary input. */
+	LB_BLEND,
+};
+
+enum dc_pec_clken {
+	CLKEN_DISABLE,
+	CLKEN_AUTOMATIC,
+};
+
+struct dc_cf {
+	struct regmap *reg_cfg;
+	enum dc_link_id link;
+};
+
+struct dc_ed {
+	struct device *dev;
+	struct regmap *reg_pec;
+	struct regmap *reg_cfg;
+	int irq_shdload;
+};
+
+struct dc_lb {
+	struct device *dev;
+	struct regmap *reg_pec;
+	struct regmap *reg_cfg;
+	int id;
+	enum dc_link_id link;
+};
+
+struct dc_pe {
+	struct device *dev;
+	struct clk *clk_axi;
+	struct dc_cf *cf_safe[DC_DISPLAYS];
+	struct dc_cf *cf_cont[DC_DISPLAYS];
+	struct dc_ed *ed_safe[DC_DISPLAYS];
+	struct dc_ed *ed_cont[DC_DISPLAYS];
+	struct dc_fu *fu_disp[DC_DISP_FU_CNT];
+	struct dc_lb *lb[DC_LB_CNT];
+};
+
+/* Constant Frame Unit */
+enum dc_link_id dc_cf_get_link_id(struct dc_cf *cf);
+void dc_cf_framedimensions(struct dc_cf *cf, unsigned int w, unsigned int h);
+void dc_cf_constantcolor_black(struct dc_cf *cf);
+void dc_cf_constantcolor_blue(struct dc_cf *cf);
+void dc_cf_init(struct dc_cf *cf);
+
+/* External Destination Unit */
+void dc_ed_pec_src_sel(struct dc_ed *ed, enum dc_link_id src);
+void dc_ed_pec_sync_trigger(struct dc_ed *ed);
+void dc_ed_init(struct dc_ed *ed);
+
+/* Layer Blend Unit */
+enum dc_link_id dc_lb_get_link_id(struct dc_lb *lb);
+void dc_lb_pec_dynamic_prim_sel(struct dc_lb *lb, enum dc_link_id prim);
+void dc_lb_pec_dynamic_sec_sel(struct dc_lb *lb, enum dc_link_id sec);
+void dc_lb_pec_clken(struct dc_lb *lb, enum dc_pec_clken clken);
+void dc_lb_mode(struct dc_lb *lb, enum dc_lb_mode mode);
+void dc_lb_position(struct dc_lb *lb, int x, int y);
+int dc_lb_get_id(struct dc_lb *lb);
+void dc_lb_init(struct dc_lb *lb);
+
+#endif /* __DC_PIXEL_ENGINE_H__ */