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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Copyright (C) STMicroelectronics SA 20174 *5 * Authors: Philippe Cornu <philippe.cornu@st.com>6 * Yannick Fertre <yannick.fertre@st.com>7 */8 9#ifndef __DW_MIPI_DSI__10#define __DW_MIPI_DSI__11 12#include <linux/types.h>13 14#include <drm/drm_atomic.h>15#include <drm/drm_bridge.h>16#include <drm/drm_connector.h>17#include <drm/drm_crtc.h>18#include <drm/drm_modes.h>19 20struct drm_display_mode;21struct drm_encoder;22struct dw_mipi_dsi;23struct mipi_dsi_device;24struct platform_device;25 26struct dw_mipi_dsi_dphy_timing {27 u16 data_hs2lp;28 u16 data_lp2hs;29 u16 clk_hs2lp;30 u16 clk_lp2hs;31};32 33struct dw_mipi_dsi_phy_ops {34 int (*init)(void *priv_data);35 void (*power_on)(void *priv_data);36 void (*power_off)(void *priv_data);37 int (*get_lane_mbps)(void *priv_data,38 const struct drm_display_mode *mode,39 unsigned long mode_flags, u32 lanes, u32 format,40 unsigned int *lane_mbps);41 int (*get_timing)(void *priv_data, unsigned int lane_mbps,42 struct dw_mipi_dsi_dphy_timing *timing);43 int (*get_esc_clk_rate)(void *priv_data, unsigned int *esc_clk_rate);44};45 46struct dw_mipi_dsi_host_ops {47 int (*attach)(void *priv_data,48 struct mipi_dsi_device *dsi);49 int (*detach)(void *priv_data,50 struct mipi_dsi_device *dsi);51};52 53struct dw_mipi_dsi_plat_data {54 void __iomem *base;55 unsigned int max_data_lanes;56 57 enum drm_mode_status (*mode_valid)(void *priv_data,58 const struct drm_display_mode *mode,59 unsigned long mode_flags,60 u32 lanes, u32 format);61 62 bool (*mode_fixup)(void *priv_data, const struct drm_display_mode *mode,63 struct drm_display_mode *adjusted_mode);64 65 u32 *(*get_input_bus_fmts)(void *priv_data,66 struct drm_bridge *bridge,67 struct drm_bridge_state *bridge_state,68 struct drm_crtc_state *crtc_state,69 struct drm_connector_state *conn_state,70 u32 output_fmt,71 unsigned int *num_input_fmts);72 73 const struct dw_mipi_dsi_phy_ops *phy_ops;74 const struct dw_mipi_dsi_host_ops *host_ops;75 76 void *priv_data;77};78 79struct dw_mipi_dsi *dw_mipi_dsi_probe(struct platform_device *pdev,80 const struct dw_mipi_dsi_plat_data81 *plat_data);82void dw_mipi_dsi_remove(struct dw_mipi_dsi *dsi);83int dw_mipi_dsi_bind(struct dw_mipi_dsi *dsi, struct drm_encoder *encoder);84void dw_mipi_dsi_unbind(struct dw_mipi_dsi *dsi);85void dw_mipi_dsi_set_slave(struct dw_mipi_dsi *dsi, struct dw_mipi_dsi *slave);86struct drm_bridge *dw_mipi_dsi_get_bridge(struct dw_mipi_dsi *dsi);87 88#endif /* __DW_MIPI_DSI__ */89