include/drm/bridge/dw_hdmi.h

   1 /*
   2  * Copyright (C) 2011 Freescale Semiconductor, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  */
   9
  10 #ifndef __DW_HDMI__
  11 #define __DW_HDMI__
  12
  13 #include <drm/drmP.h>
  14
  15 struct dw_hdmi;
  16
  17 enum {
  18         DW_HDMI_RES_8,
  19         DW_HDMI_RES_10,
  20         DW_HDMI_RES_12,
  21         DW_HDMI_RES_MAX,
  22 };
  23
  24 enum dw_hdmi_devtype {
  25         IMX6Q_HDMI,
  26         IMX6DL_HDMI,
  27         RK3288_HDMI,
  28 };
  29
  30 enum dw_hdmi_phy_type {
  31         DW_HDMI_PHY_DWC_HDMI_TX_PHY = 0x00,
  32         DW_HDMI_PHY_DWC_MHL_PHY_HEAC = 0xb2,
  33         DW_HDMI_PHY_DWC_MHL_PHY = 0xc2,
  34         DW_HDMI_PHY_DWC_HDMI_3D_TX_PHY_HEAC = 0xe2,
  35         DW_HDMI_PHY_DWC_HDMI_3D_TX_PHY = 0xf2,
  36         DW_HDMI_PHY_DWC_HDMI20_TX_PHY = 0xf3,
  37         DW_HDMI_PHY_VENDOR_PHY = 0xfe,
  38 };
  39
  40 struct dw_hdmi_mpll_config {
  41         unsigned long mpixelclock;
  42         struct {
  43                 u16 cpce;
  44                 u16 gmp;
  45         } res[DW_HDMI_RES_MAX];
  46 };
  47
  48 struct dw_hdmi_curr_ctrl {
  49         unsigned long mpixelclock;
  50         u16 curr[DW_HDMI_RES_MAX];
  51 };
  52
  53 struct dw_hdmi_phy_config {
  54         unsigned long mpixelclock;
  55         u16 sym_ctr;    /*clock symbol and transmitter control*/
  56         u16 term;       /*transmission termination value*/
  57         u16 vlev_ctr;   /* voltage level control */
  58 };
  59
  60 struct dw_hdmi_plat_data {
  61         enum dw_hdmi_devtype dev_type;
  62         const struct dw_hdmi_mpll_config *mpll_cfg;
  63         const struct dw_hdmi_curr_ctrl *cur_ctr;
  64         const struct dw_hdmi_phy_config *phy_config;
  65         enum drm_mode_status (*mode_valid)(struct drm_connector *connector,
  66                                            struct drm_display_mode *mode);
  67 };
  68
  69 int dw_hdmi_probe(struct platform_device *pdev,
  70                   const struct dw_hdmi_plat_data *plat_data);
  71 void dw_hdmi_remove(struct platform_device *pdev);
  72 void dw_hdmi_unbind(struct device *dev);
  73 int dw_hdmi_bind(struct platform_device *pdev, struct drm_encoder *encoder,
  74                  const struct dw_hdmi_plat_data *plat_data);
  75
  76 void dw_hdmi_set_sample_rate(struct dw_hdmi *hdmi, unsigned int rate);
  77 void dw_hdmi_audio_enable(struct dw_hdmi *hdmi);
  78 void dw_hdmi_audio_disable(struct dw_hdmi *hdmi);
  79
  80 #endif /* __IMX_HDMI_H__ */