include/linux/platform_data/rcar-du.h

   1 /*
   2  * rcar_du.h  --  R-Car Display Unit DRM driver
   3  *
   4  * Copyright (C) 2013 Renesas Corporation
   5  *
   6  * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  */
  13
  14 #ifndef __RCAR_DU_H__
  15 #define __RCAR_DU_H__
  16
  17 #include <drm/drm_mode.h>
  18
  19 enum rcar_du_output {
  20         RCAR_DU_OUTPUT_DPAD0,
  21         RCAR_DU_OUTPUT_DPAD1,
  22         RCAR_DU_OUTPUT_LVDS0,
  23         RCAR_DU_OUTPUT_LVDS1,
  24         RCAR_DU_OUTPUT_TCON,
  25         RCAR_DU_OUTPUT_MAX,
  26 };
  27
  28 enum rcar_du_encoder_type {
  29         RCAR_DU_ENCODER_UNUSED = 0,
  30         RCAR_DU_ENCODER_NONE,
  31         RCAR_DU_ENCODER_VGA,
  32         RCAR_DU_ENCODER_LVDS,
  33 };
  34
  35 struct rcar_du_panel_data {
  36         unsigned int width_mm;          /* Panel width in mm */
  37         unsigned int height_mm;         /* Panel height in mm */
  38         struct drm_mode_modeinfo mode;
  39 };
  40
  41 struct rcar_du_connector_lvds_data {
  42         struct rcar_du_panel_data panel;
  43 };
  44
  45 struct rcar_du_connector_vga_data {
  46         /* TODO: Add DDC information for EDID retrieval */
  47 };
  48
  49 /*
  50  * struct rcar_du_encoder_data - Encoder platform data
  51  * @type: the encoder type (RCAR_DU_ENCODER_*)
  52  * @output: the DU output the connector is connected to (RCAR_DU_OUTPUT_*)
  53  * @connector.lvds: platform data for LVDS connectors
  54  * @connector.vga: platform data for VGA connectors
  55  *
  56  * Encoder platform data describes an on-board encoder, its associated DU SoC
  57  * output, and the connector.
  58  */
  59 struct rcar_du_encoder_data {
  60         enum rcar_du_encoder_type type;
  61         enum rcar_du_output output;
  62
  63         union {
  64                 struct rcar_du_connector_lvds_data lvds;
  65                 struct rcar_du_connector_vga_data vga;
  66         } connector;
  67 };
  68
  69 struct rcar_du_platform_data {
  70         struct rcar_du_encoder_data *encoders;
  71         unsigned int num_encoders;
  72 };
  73
  74 #endif /* __RCAR_DU_H__ */