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 struct dw_hdmi_mpll_config {
  31         unsigned long mpixelclock;
  32         struct {
  33                 u16 cpce;
  34                 u16 gmp;
  35         } res[DW_HDMI_RES_MAX];
  36 };
  37
  38 struct dw_hdmi_curr_ctrl {
  39         unsigned long mpixelclock;
  40         u16 curr[DW_HDMI_RES_MAX];
  41 };
  42
  43 struct dw_hdmi_phy_config {
  44         unsigned long mpixelclock;
  45         u16 sym_ctr;    /*clock symbol and transmitter control*/
  46         u16 term;       /*transmission termination value*/
  47         u16 vlev_ctr;   /* voltage level control */
  48 };
  49
  50 struct dw_hdmi_plat_data {
  51         enum dw_hdmi_devtype dev_type;
  52         const struct dw_hdmi_mpll_config *mpll_cfg;
  53         const struct dw_hdmi_curr_ctrl *cur_ctr;
  54         const struct dw_hdmi_phy_config *phy_config;
  55         enum drm_mode_status (*mode_valid)(struct drm_connector *connector,
  56                                            struct drm_display_mode *mode);
  57 };
  58
  59 void dw_hdmi_unbind(struct device *dev, struct device *master, void *data);
  60 int dw_hdmi_bind(struct device *dev, struct device *master,
  61                  void *data, struct drm_encoder *encoder,
  62                  struct resource *iores, int irq,
  63                  const struct dw_hdmi_plat_data *plat_data);
  64
  65 void dw_hdmi_set_sample_rate(struct dw_hdmi *hdmi, unsigned int rate);
  66 void dw_hdmi_audio_enable(struct dw_hdmi *hdmi);
  67 void dw_hdmi_audio_disable(struct dw_hdmi *hdmi);
  68
  69 #endif /* __IMX_HDMI_H__ */