+#define G4X_AUD_VID_DID 0x62020
+#define INTEL_AUDIO_DEVCL 0x808629FB
+#define INTEL_AUDIO_DEVBLC 0x80862801
+#define INTEL_AUDIO_DEVCTG 0x80862802
+
+#define G4X_AUD_CNTL_ST 0x620B4
+#define G4X_ELDV_DEVCL_DEVBLC (1 << 13)
+#define G4X_ELDV_DEVCTG (1 << 14)
+#define G4X_ELD_ADDR (0xf << 5)
+#define G4X_ELD_ACK (1 << 4)
+#define G4X_HDMIW_HDMIEDID 0x6210C
+
+#define GEN5_HDMIW_HDMIEDID_A 0xE2050
+#define GEN5_AUD_CNTL_ST_A 0xE20B4
+#define GEN5_ELD_BUFFER_SIZE (0x1f << 10)
+#define GEN5_ELD_ADDRESS (0x1f << 5)
+#define GEN5_ELD_ACK (1 << 4)
+#define GEN5_AUD_CNTL_ST2 0xE20C0
+#define GEN5_ELD_VALIDB (1 << 0)
+#define GEN5_CP_READYB (1 << 1)
+
+#define GEN7_HDMIW_HDMIEDID_A 0xE5050
+#define GEN7_AUD_CNTRL_ST_A 0xE50B4
+#define GEN7_AUD_CNTRL_ST2 0xE50C0
+