drivers/gpu/drm/msm/hdmi/hdmi_phy_8960.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2013 Red Hat
   4  * Author: Rob Clark <robdclark@gmail.com>
   5  */
   6
   7 #include "hdmi.h"
   8
   9 static void hdmi_phy_8960_powerup(struct hdmi_phy *phy,
  10                                   unsigned long int pixclock)
  11 {
  12         DBG("pixclock: %lu", pixclock);
  13
  14         hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG2, 0x00);
  15         hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG0, 0x1b);
  16         hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG1, 0xf2);
  17         hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG4, 0x00);
  18         hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG5, 0x00);
  19         hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG6, 0x00);
  20         hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG7, 0x00);
  21         hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG8, 0x00);
  22         hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG9, 0x00);
  23         hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG10, 0x00);
  24         hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG11, 0x00);
  25         hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG3, 0x20);
  26 }
  27
  28 static void hdmi_phy_8960_powerdown(struct hdmi_phy *phy)
  29 {
  30         DBG("");
  31
  32         hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG2, 0x7f);
  33 }
  34
  35 static const char * const hdmi_phy_8960_reg_names[] = {
  36         "core-vdda",
  37 };
  38
  39 static const char * const hdmi_phy_8960_clk_names[] = {
  40         "slave_iface",
  41 };
  42
  43 const struct hdmi_phy_cfg msm_hdmi_phy_8960_cfg = {
  44         .type = MSM_HDMI_PHY_8960,
  45         .powerup = hdmi_phy_8960_powerup,
  46         .powerdown = hdmi_phy_8960_powerdown,
  47         .reg_names = hdmi_phy_8960_reg_names,
  48         .num_regs = ARRAY_SIZE(hdmi_phy_8960_reg_names),
  49         .clk_names = hdmi_phy_8960_clk_names,
  50         .num_clks = ARRAY_SIZE(hdmi_phy_8960_clk_names),
  51 };