LXR linux/drivers/gpu/drm/msm/hdmi/hdmi_phy

   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
  20static void hdmi_phy_8960_powerup(struct hdmi_phy *phy,
  21                                  unsigned long int pixclock)
  22{
  23        DBG("pixclock: %lu", pixclock);
  24
  25        hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG2, 0x00);
  26        hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG0, 0x1b);
  27        hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG1, 0xf2);
  28        hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG4, 0x00);
  29        hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG5, 0x00);
  30        hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG6, 0x00);
  31        hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG7, 0x00);
  32        hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG8, 0x00);
  33        hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG9, 0x00);
  34        hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG10, 0x00);
  35        hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG11, 0x00);
  36        hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG3, 0x20);
  37}
  38
  39static void hdmi_phy_8960_powerdown(struct hdmi_phy *phy)
  40{
  41        DBG("");
  42
  43        hdmi_phy_write(phy, REG_HDMI_8960_PHY_REG2, 0x7f);
  44}
  45
  46static const char * const hdmi_phy_8960_reg_names[] = {
  47        "core-vdda",
  48};
  49
  50static const char * const hdmi_phy_8960_clk_names[] = {
  51        "slave_iface",
  52};
  53
  54const struct hdmi_phy_cfg msm_hdmi_phy_8960_cfg = {
  55        .type = MSM_HDMI_PHY_8960,
  56        .powerup = hdmi_phy_8960_powerup,
  57        .powerdown = hdmi_phy_8960_powerdown,
  58        .reg_names = hdmi_phy_8960_reg_names,
  59        .num_regs = ARRAY_SIZE(hdmi_phy_8960_reg_names),
  60        .clk_names = hdmi_phy_8960_clk_names,
  61        .num_clks = ARRAY_SIZE(hdmi_phy_8960_clk_names),
  62};
  63