drivers/gpu/drm/msm/hdmi/hdmi_phy_8x74.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_8x74_powerup(struct hdmi_phy *phy,
  10                 unsigned long int pixclock)
  11 {
  12         hdmi_phy_write(phy, REG_HDMI_8x74_ANA_CFG0,   0x1b);
  13         hdmi_phy_write(phy, REG_HDMI_8x74_ANA_CFG1,   0xf2);
  14         hdmi_phy_write(phy, REG_HDMI_8x74_BIST_CFG0,  0x0);
  15         hdmi_phy_write(phy, REG_HDMI_8x74_BIST_PATN0, 0x0);
  16         hdmi_phy_write(phy, REG_HDMI_8x74_BIST_PATN1, 0x0);
  17         hdmi_phy_write(phy, REG_HDMI_8x74_BIST_PATN2, 0x0);
  18         hdmi_phy_write(phy, REG_HDMI_8x74_BIST_PATN3, 0x0);
  19         hdmi_phy_write(phy, REG_HDMI_8x74_PD_CTRL1,   0x20);
  20 }
  21
  22 static void hdmi_phy_8x74_powerdown(struct hdmi_phy *phy)
  23 {
  24         hdmi_phy_write(phy, REG_HDMI_8x74_PD_CTRL0, 0x7f);
  25 }
  26
  27 static const char * const hdmi_phy_8x74_reg_names[] = {
  28         "core-vdda",
  29         "vddio",
  30 };
  31
  32 static const char * const hdmi_phy_8x74_clk_names[] = {
  33         "iface", "alt_iface"
  34 };
  35
  36 const struct hdmi_phy_cfg msm_hdmi_phy_8x74_cfg = {
  37         .type = MSM_HDMI_PHY_8x74,
  38         .powerup = hdmi_phy_8x74_powerup,
  39         .powerdown = hdmi_phy_8x74_powerdown,
  40         .reg_names = hdmi_phy_8x74_reg_names,
  41         .num_regs = ARRAY_SIZE(hdmi_phy_8x74_reg_names),
  42         .clk_names = hdmi_phy_8x74_clk_names,
  43         .num_clks = ARRAY_SIZE(hdmi_phy_8x74_clk_names),
  44 };