src/soc/mediatek/mt8195/hdmi.c

   1 /* SPDX-License-Identifier: GPL-2.0-only OR MIT */
   2
   3 #include <console/console.h>
   4 #include <device/mmio.h>
   5 #include <soc/hdmi.h>
   6
   7 void hdmi_low_power_setting(void)
   8 {
   9         printk(BIOS_INFO, "%s: Enable HDMI low power setting\n", __func__);
  10
  11         setbits32((void *)HDMI_PROTECT_REG, BIT(0) | BIT(1));
  12
  13         /* HDMI-RX powerdown */
  14         write32((void *)HDMI_RX_PDN_0_REG, HDMI_RX_PDN_0_VAL);
  15         write32((void *)HDMI_RX_PDN_1_REG, HDMI_RX_PDN_1_VAL);
  16         write32((void *)HDMI_RX_PDN_2_REG, HDMI_RX_PDN_2_VAL);
  17         write32((void *)HDMI_RX_PDN_3_REG, HDMI_RX_PDN_3_VAL);
  18         write32((void *)HDMI_RX_PDN_4_REG, HDMI_RX_PDN_4_VAL);
  19         write32((void *)HDMI_RX_PDN_5_REG, HDMI_RX_PDN_5_VAL);
  20         write32((void *)HDMI_RX_PDN_6_REG, HDMI_RX_PDN_6_VAL);
  21         write32((void *)HDMI_RX_PDN_7_REG, HDMI_RX_PDN_7_VAL);
  22
  23         /* HDMI-TX powerdown */
  24         write32((void *)HDMI_TX_PDN_REG, HDMI_TX_PDN_VAL);
  25 }