include/drm/bridge/dw_mipi_dsi.h

   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_phy_ops {
  23         int (*init)(void *priv_data);
  24         void (*power_on)(void *priv_data);
  25         void (*power_off)(void *priv_data);
  26         int (*get_lane_mbps)(void *priv_data,
  27                              const struct drm_display_mode *mode,
  28                              unsigned long mode_flags, u32 lanes, u32 format,
  29                              unsigned int *lane_mbps);
  30 };
  31
  32 struct dw_mipi_dsi_host_ops {
  33         int (*attach)(void *priv_data,
  34                       struct mipi_dsi_device *dsi);
  35         int (*detach)(void *priv_data,
  36                       struct mipi_dsi_device *dsi);
  37 };
  38
  39 struct dw_mipi_dsi_plat_data {
  40         void __iomem *base;
  41         unsigned int max_data_lanes;
  42
  43         enum drm_mode_status (*mode_valid)(void *priv_data,
  44                                            const struct drm_display_mode *mode);
  45
  46         const struct dw_mipi_dsi_phy_ops *phy_ops;
  47         const struct dw_mipi_dsi_host_ops *host_ops;
  48
  49         void *priv_data;
  50 };
  51
  52 struct dw_mipi_dsi *dw_mipi_dsi_probe(struct platform_device *pdev,
  53                                       const struct dw_mipi_dsi_plat_data
  54                                       *plat_data);
  55 void dw_mipi_dsi_remove(struct dw_mipi_dsi *dsi);
  56 int dw_mipi_dsi_bind(struct dw_mipi_dsi *dsi, struct drm_encoder *encoder);
  57 void dw_mipi_dsi_unbind(struct dw_mipi_dsi *dsi);
  58 void dw_mipi_dsi_set_slave(struct dw_mipi_dsi *dsi, struct dw_mipi_dsi *slave);
  59
  60 #endif /* __DW_MIPI_DSI__ */