1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (C) STMicroelectronics SA 2017 4 * 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_modes.h> 15 16 struct drm_display_mode; 17 struct drm_encoder; 18 struct dw_mipi_dsi; 19 struct mipi_dsi_device; 20 struct platform_device; 21 22 struct dw_mipi_dsi_dphy_timing { 23 u16 data_hs2lp; 24 u16 data_lp2hs; 25 u16 clk_hs2lp; 26 u16 clk_lp2hs; 27 }; 28 29 struct dw_mipi_dsi_phy_ops { 30 int (*init)(void *priv_data); 31 void (*power_on)(void *priv_data); 32 void (*power_off)(void *priv_data); 33 int (*get_lane_mbps)(void *priv_data, 34 const struct drm_display_mode *mode, 35 unsigned long mode_flags, u32 lanes, u32 format, 36 unsigned int *lane_mbps); 37 int (*get_timing)(void *priv_data, unsigned int lane_mbps, 38 struct dw_mipi_dsi_dphy_timing *timing); 39 int (*get_esc_clk_rate)(void *priv_data, unsigned int *esc_clk_rate); 40 }; 41 42 struct dw_mipi_dsi_host_ops { 43 int (*attach)(void *priv_data, 44 struct mipi_dsi_device *dsi); 45 int (*detach)(void *priv_data, 46 struct mipi_dsi_device *dsi); 47 }; 48 49 struct dw_mipi_dsi_plat_data { 50 void __iomem *base; 51 unsigned int max_data_lanes; 52 53 enum drm_mode_status (*mode_valid)(void *priv_data, 54 const struct drm_display_mode *mode, 55 unsigned long mode_flags, 56 u32 lanes, u32 format); 57 58 const struct dw_mipi_dsi_phy_ops *phy_ops; 59 const struct dw_mipi_dsi_host_ops *host_ops; 60 61 void *priv_data; 62 }; 63 64 struct dw_mipi_dsi *dw_mipi_dsi_probe(struct platform_device *pdev, 65 const struct dw_mipi_dsi_plat_data 66 *plat_data); 67 void dw_mipi_dsi_remove(struct dw_mipi_dsi *dsi); 68 int dw_mipi_dsi_bind(struct dw_mipi_dsi *dsi, struct drm_encoder *encoder); 69 void dw_mipi_dsi_unbind(struct dw_mipi_dsi *dsi); 70 void dw_mipi_dsi_set_slave(struct dw_mipi_dsi *dsi, struct dw_mipi_dsi *slave); 71 72 #endif /* __DW_MIPI_DSI__ */ 73