drm/i915/reg: add AUD_TCA_DP_2DOT0_CTRL registers

For controlling the audio SDP split.

Bspec: 63837
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211001100316.26441-1-jani.nikula@intel.com

drivers/gpu/drm/i915/i915_reg.h

@@ -9733,6 +9733,11 @@ enum {
 #define   AUDIO_CP_READY(trans)		((1 << 1) << ((trans) * 4))
 #define   AUDIO_ELD_VALID(trans)	((1 << 0) << ((trans) * 4))
 
+#define _AUD_TCA_DP_2DOT0_CTRL		0x650bc
+#define _AUD_TCB_DP_2DOT0_CTRL		0x651bc
+#define AUD_DP_2DOT0_CTRL(trans)	_MMIO_TRANS(trans, _AUD_TCA_DP_2DOT0_CTRL, _AUD_TCB_DP_2DOT0_CTRL)
+#define  AUD_ENABLE_SDP_SPLIT		REG_BIT(31)
+
 #define HSW_AUD_CHICKENBIT			_MMIO(0x65f10)
 #define   SKL_AUD_CODEC_WAKE_SIGNAL		(1 << 15)