util: Import autoport with Haswell patches

This is a copy of coreboot's autoport utility, with a patch applied to
support Haswell/Lynx Point platforms. That patch is currently in review
on coreboot's Gerrit.

https://review.coreboot.org/c/coreboot/+/30890

Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>

util/autoport/azalia.go

@@ -0,0 +1,67 @@
+package main
+
+import (
+	"fmt"
+	"sort"
+)
+
+type azalia struct {
+}
+
+func (i azalia) Scan(ctx Context, addr PCIDevData) {
+	az := Create(ctx, "hda_verb.c")
+	defer az.Close()
+
+	Add_gpl(az)
+	az.WriteString(
+		`#include <device/azalia_device.h>
+
+const u32 cim_verb_data[] = {
+`)
+
+	for _, codec := range ctx.InfoSource.GetAzaliaCodecs() {
+		fmt.Fprintf(az, "\t0x%08x,\t/* Codec Vendor / Device ID: %s */\n",
+			codec.VendorID, codec.Name)
+		fmt.Fprintf(az, "\t0x%08x,\t/* Subsystem ID */\n",
+			codec.SubsystemID)
+		fmt.Fprintf(az, "\t%d,\t\t/* Number of 4 dword sets */\n",
+			len(codec.PinConfig)+1)
+		fmt.Fprintf(az, "\tAZALIA_SUBVENDOR(%d, 0x%08x),\n",
+			codec.CodecNo, codec.SubsystemID)
+
+		keys := []int{}
+		for nid, _ := range codec.PinConfig {
+			keys = append(keys, nid)
+		}
+
+		sort.Ints(keys)
+
+		for _, nid := range keys {
+			fmt.Fprintf(az, "\tAZALIA_PIN_CFG(%d, 0x%02x, 0x%08x),\n",
+				codec.CodecNo, nid, codec.PinConfig[nid])
+		}
+		az.WriteString("\n");
+	}
+
+	az.WriteString(
+		`};
+
+const u32 pc_beep_verbs[0] = {};
+
+AZALIA_ARRAY_SIZES;
+`)
+
+	PutPCIDev(addr, "")
+}
+
+func init() {
+	/* I82801GX/I945 */
+	RegisterPCI(0x8086, 0x27d8, azalia{})
+	/* BD82X6X/sandybridge */
+	RegisterPCI(0x8086, 0x1c20, azalia{})
+	/* C216/ivybridge */
+	RegisterPCI(0x8086, 0x1e20, azalia{})
+	/* Lynx Point */
+	RegisterPCI(0x8086, 0x8c20, azalia{})
+	RegisterPCI(0x8086, 0x9c20, azalia{})
+}