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-rw-r--r--src/mainboard/prodrive/hermes/eeprom.h5
-rw-r--r--src/mainboard/prodrive/hermes/hda_verb.c26
2 files changed, 29 insertions, 2 deletions
diff --git a/src/mainboard/prodrive/hermes/eeprom.h b/src/mainboard/prodrive/hermes/eeprom.h
index 26f2faa0bd..a42a3d7520 100644
--- a/src/mainboard/prodrive/hermes/eeprom.h
+++ b/src/mainboard/prodrive/hermes/eeprom.h
@@ -51,12 +51,13 @@ struct __packed eeprom_board_settings {
uint8_t blue_rear_vref;
uint8_t front_panel_audio;
uint8_t pxe_boot_capability;
+ uint8_t pink_rear_vref;
};
- uint8_t raw_settings[9];
+ uint8_t raw_settings[10];
};
};
-_Static_assert(sizeof(struct eeprom_board_settings) == (9 + sizeof(uint32_t)),
+_Static_assert(sizeof(struct eeprom_board_settings) == (10 + sizeof(uint32_t)),
"struct eeprom_board_settings has invalid size!");
struct __packed eeprom_bmc_settings {
diff --git a/src/mainboard/prodrive/hermes/hda_verb.c b/src/mainboard/prodrive/hermes/hda_verb.c
index 760cecc5f5..7514ce9711 100644
--- a/src/mainboard/prodrive/hermes/hda_verb.c
+++ b/src/mainboard/prodrive/hermes/hda_verb.c
@@ -90,6 +90,23 @@ static u32 get_port_c_vref_cfg(uint8_t blue_rear_vref)
}
}
+static u32 get_port_b_vref_cfg(uint8_t pink_rear_vref)
+{
+ switch (pink_rear_vref) {
+ default:
+ case 0:
+ return 0x411110f0; /* Disabled (Hi-Z) */
+ case 1:
+ return 0x411111f0; /* 50% of LDO out */
+ case 2:
+ return 0x411114f0; /* 80% of LDO out */
+ case 3:
+ return 0x411115f0; /* 100% of LDO out */
+ case 4:
+ return 0x411112f0; /* Ground */
+ }
+}
+
static u32 get_front_panel_cfg(uint8_t front_panel_audio)
{
switch (front_panel_audio) {
@@ -122,7 +139,16 @@ static void mainboard_r0x_configure_alc888(u8 *base, u32 viddid)
const u32 front_mic_cfg = get_front_mic_cfg(board_cfg->front_panel_audio);
+ const u32 port_b_vref_cfg = get_port_b_vref_cfg(board_cfg->pink_rear_vref);
+
const u32 verbs[] = {
+ /*
+ * Write port B Vref settings to unused non-volatile NID 0x12 instead of
+ * NID 0x18, the actual port B NID. Because per-port Vref settings don't
+ * persist after codec resets, a custom Realtek driver (ab)uses NID 0x12
+ * to restore port B Vref after resetting the codec.
+ */
+ AZALIA_PIN_CFG(0, 0x12, port_b_vref_cfg),
AZALIA_PIN_CFG(0, 0x19, front_mic_cfg),
AZALIA_PIN_CFG(0, 0x1b, front_panel_cfg),
0x0205000d, /* Pin 37 vrefo hidden register - used as port C vref */