diff options
Diffstat (limited to 'src/soc/mediatek/mt8195/hdmi.c')
| -rw-r--r-- | src/soc/mediatek/mt8195/hdmi.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/soc/mediatek/mt8195/hdmi.c b/src/soc/mediatek/mt8195/hdmi.c new file mode 100644 index 0000000000..a1acbe38ed --- /dev/null +++ b/src/soc/mediatek/mt8195/hdmi.c @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <console/console.h> +#include <device/mmio.h> +#include <soc/hdmi.h> + +void hdmi_low_power_setting(void) +{ + printk(BIOS_INFO, "%s: Enable HDMI low power setting\n", __func__); + + setbits32((void *)HDMI_PROTECT_REG, BIT(0) | BIT(1)); + + /* HDMI-RX powerdown */ + write32((void *)HDMI_RX_PDN_0_REG, HDMI_RX_PDN_0_VAL); + write32((void *)HDMI_RX_PDN_1_REG, HDMI_RX_PDN_1_VAL); + write32((void *)HDMI_RX_PDN_2_REG, HDMI_RX_PDN_2_VAL); + write32((void *)HDMI_RX_PDN_3_REG, HDMI_RX_PDN_3_VAL); + write32((void *)HDMI_RX_PDN_4_REG, HDMI_RX_PDN_4_VAL); + write32((void *)HDMI_RX_PDN_5_REG, HDMI_RX_PDN_5_VAL); + write32((void *)HDMI_RX_PDN_6_REG, HDMI_RX_PDN_6_VAL); + write32((void *)HDMI_RX_PDN_7_REG, HDMI_RX_PDN_7_VAL); + + /* HDMI-TX powerdown */ + write32((void *)HDMI_TX_PDN_REG, HDMI_TX_PDN_VAL); +} |