1 files changed, 95 insertions, 0 deletions
diff --git a/include/drm/bridge/dw_mipi_dsi2.h b/include/drm/bridge/dw_mipi_dsi2.h
new file mode 100644
index 000000000000..c18c49379247
--- /dev/null
+++ b/include/drm/bridge/dw_mipi_dsi2.h
@@ -0,0 +1,95 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2024, Fuzhou Rockchip Electronics Co., Ltd
+ *
+ * Authors: Guochun Huang <hero.huang@rock-chips.com>
+ *          Heiko Stuebner <heiko.stuebner@cherry.de>
+ */
+
+#ifndef __DW_MIPI_DSI2__
+#define __DW_MIPI_DSI2__
+
+#include <linux/regmap.h>
+#include <linux/types.h>
+
+#include <drm/drm_atomic.h>
+#include <drm/drm_bridge.h>
+#include <drm/drm_connector.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_modes.h>
+
+struct drm_display_mode;
+struct drm_encoder;
+struct dw_mipi_dsi2;
+struct mipi_dsi_device;
+struct platform_device;
+
+enum dw_mipi_dsi2_phy_type {
+	DW_MIPI_DSI2_DPHY,
+	DW_MIPI_DSI2_CPHY,
+};
+
+struct dw_mipi_dsi2_phy_iface {
+	int ppi_width;
+	enum dw_mipi_dsi2_phy_type phy_type;
+};
+
+struct dw_mipi_dsi2_phy_timing {
+	u32 data_hs2lp;
+	u32 data_lp2hs;
+};
+
+struct dw_mipi_dsi2_phy_ops {
+	int (*init)(void *priv_data);
+	void (*power_on)(void *priv_data);
+	void (*power_off)(void *priv_data);
+	void (*get_interface)(void *priv_data, struct dw_mipi_dsi2_phy_iface *iface);
+	int (*get_lane_mbps)(void *priv_data,
+			     const struct drm_display_mode *mode,
+			     unsigned long mode_flags, u32 lanes, u32 format,
+			     unsigned int *lane_mbps);
+	int (*get_timing)(void *priv_data, unsigned int lane_mbps,
+			  struct dw_mipi_dsi2_phy_timing *timing);
+	int (*get_esc_clk_rate)(void *priv_data, unsigned int *esc_clk_rate);
+};
+
+struct dw_mipi_dsi2_host_ops {
+	int (*attach)(void *priv_data,
+		      struct mipi_dsi_device *dsi);
+	int (*detach)(void *priv_data,
+		      struct mipi_dsi_device *dsi);
+};
+
+struct dw_mipi_dsi2_plat_data {
+	struct regmap *regmap;
+	unsigned int max_data_lanes;
+
+	enum drm_mode_status (*mode_valid)(void *priv_data,
+					   const struct drm_display_mode *mode,
+					   unsigned long mode_flags,
+					   u32 lanes, u32 format);
+
+	bool (*mode_fixup)(void *priv_data, const struct drm_display_mode *mode,
+			   struct drm_display_mode *adjusted_mode);
+
+	u32 *(*get_input_bus_fmts)(void *priv_data,
+				   struct drm_bridge *bridge,
+				   struct drm_bridge_state *bridge_state,
+				   struct drm_crtc_state *crtc_state,
+				   struct drm_connector_state *conn_state,
+				   u32 output_fmt,
+				   unsigned int *num_input_fmts);
+
+	const struct dw_mipi_dsi2_phy_ops *phy_ops;
+	const struct dw_mipi_dsi2_host_ops *host_ops;
+
+	void *priv_data;
+};
+
+struct dw_mipi_dsi2 *dw_mipi_dsi2_probe(struct platform_device *pdev,
+					const struct dw_mipi_dsi2_plat_data *plat_data);
+void dw_mipi_dsi2_remove(struct dw_mipi_dsi2 *dsi2);
+int dw_mipi_dsi2_bind(struct dw_mipi_dsi2 *dsi2, struct drm_encoder *encoder);
+void dw_mipi_dsi2_unbind(struct dw_mipi_dsi2 *dsi2);
+
+#endif /* __DW_MIPI_DSI2__ */