Change in coreboot[master]: mb/prodrive/hermes: Configure 'internal audio'

[Angel Pons (Code Review)]

Attention is currently required from: Patrick Rudolph, Christian Walter.
Hello Patrick Rudolph,

I'd like you to do a code review. Please visit

https://review.coreboot.org/c/coreboot/+/50389

to review the following change.

Change subject: mb/prodrive/hermes: Configure 'internal audio'
......................................................................

mb/prodrive/hermes: Configure 'internal audio'

Implement `mainboard_azalia_program_runtime_verbs` to configure the
Realtek ALC888 codec according to the settings in the EEPROM. The
encoding of the `internal_audio_connection` field is:

0: Disabled
1: Front HP out
2: Internal speaker

Change-Id: I5e0013217838888977aaa9259e0cfb78c82f719f
Signed-off-by: Angel Pons 
---
M src/mainboard/prodrive/hermes/hda_verb.c
1 file changed, 44 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/89/50389/1

diff --git a/src/mainboard/prodrive/hermes/hda_verb.c b/src/mainboard/prodrive/hermes/hda_verb.c
index 59b8aa6..473a286 100644
--- a/src/mainboard/prodrive/hermes/hda_verb.c
+++ b/src/mainboard/prodrive/hermes/hda_verb.c
@@ -1,6 +1,9 @@
 /* SPDX-License-Identifier: GPL-2.0-only */

#include <device/azalia_device.h>
+#include <types.h>
+
+#include "variants/baseboard/include/eeprom.h"

const u32 cim_verb_data[] = {
    0x10ec0888,	/* Codec Vendor / Device ID: Realtek ALC888 */
@@ -168,3 +171,44 @@
 const u32 pc_beep_verbs[0] = {};

AZALIA_ARRAY_SIZES;
+
+static u32 get_internal_audio_cfg(uint8_t internal_audio_connection)
+{
+	switch (internal_audio_connection) {
+	default:
+	case 0:
+		return AZALIA_PIN_CFG_NC(0);
+	case 1:
+		return 0x022a4c40;
+	case 2:
+		return AZALIA_PIN_DESC(
+			INTEGRATED,
+			INTERNAL,
+			NA,
+			SPEAKER,
+			TYPE_UNKNOWN,
+			COLOR_UNKNOWN,
+			false,
+			0xf,
+			0);
+	}
+}
+
+void mainboard_azalia_program_runtime_verbs(u8 *base, u32 viddid)
+{
+	if (viddid != 0x10ec0888)
+		return;
+
+	const struct eeprom_board_settings *const board_cfg = get_board_settings();
+
+	if (!board_cfg)
+		return;
+
+	const u32 config = get_internal_audio_cfg(board_cfg->internal_audio_connection);
+
+	const u32 verbs[] = {
+		AZALIA_PIN_CFG(0, 0x1b, config),
+	};
+
+	azalia_program_verb_table(base, verbs, ARRAY_SIZE(verbs));
+}