drivers/gpu/drm/msm/hdmi/hdmi_phy_8x74.c

   1 /*
   2  * Copyright (C) 2013 Red Hat
   3  * Author: Rob Clark <robdclark@gmail.com>
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 as published by
   7  * the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include "hdmi.h"
  19
  20 static void hdmi_phy_8x74_powerup(struct hdmi_phy *phy,
  21                 unsigned long int pixclock)
  22 {
  23         hdmi_phy_write(phy, REG_HDMI_8x74_ANA_CFG0,   0x1b);
  24         hdmi_phy_write(phy, REG_HDMI_8x74_ANA_CFG1,   0xf2);
  25         hdmi_phy_write(phy, REG_HDMI_8x74_BIST_CFG0,  0x0);
  26         hdmi_phy_write(phy, REG_HDMI_8x74_BIST_PATN0, 0x0);
  27         hdmi_phy_write(phy, REG_HDMI_8x74_BIST_PATN1, 0x0);
  28         hdmi_phy_write(phy, REG_HDMI_8x74_BIST_PATN2, 0x0);
  29         hdmi_phy_write(phy, REG_HDMI_8x74_BIST_PATN3, 0x0);
  30         hdmi_phy_write(phy, REG_HDMI_8x74_PD_CTRL1,   0x20);
  31 }
  32
  33 static void hdmi_phy_8x74_powerdown(struct hdmi_phy *phy)
  34 {
  35         hdmi_phy_write(phy, REG_HDMI_8x74_PD_CTRL0, 0x7f);
  36 }
  37
  38 static const char * const hdmi_phy_8x74_reg_names[] = {
  39         "core-vdda",
  40         "vddio",
  41 };
  42
  43 static const char * const hdmi_phy_8x74_clk_names[] = {
  44         "iface_clk",
  45         "alt_iface_clk"
  46 };
  47
  48 const struct hdmi_phy_cfg msm_hdmi_phy_8x74_cfg = {
  49         .type = MSM_HDMI_PHY_8x74,
  50         .powerup = hdmi_phy_8x74_powerup,
  51         .powerdown = hdmi_phy_8x74_powerdown,
  52         .reg_names = hdmi_phy_8x74_reg_names,
  53         .num_regs = ARRAY_SIZE(hdmi_phy_8x74_reg_names),
  54         .clk_names = hdmi_phy_8x74_clk_names,
  55         .num_clks = ARRAY_SIZE(hdmi_phy_8x74_clk_names),
  56 };