AUX_CH_B
#define PCH_DP_AUX_CH_CTL(aux_ch) _MMIO_PORT((aux_ch) - AUX_CH_B, _PCH_DPB_AUX_CH_CTL, _PCH_DPC_AUX_CH_CTL)
#define PCH_DP_AUX_CH_DATA(aux_ch, i) _MMIO(_PORT((aux_ch) - AUX_CH_B, _PCH_DPB_AUX_CH_DATA1, _PCH_DPC_AUX_CH_DATA1) + (i) * 4) /* 5 registers */
aux_ch = AUX_CH_B;
case AUX_CH_B:
case AUX_CH_B:
return DP_AUX_CH_CTL(AUX_CH_B);
case AUX_CH_B:
return DP_AUX_CH_DATA(AUX_CH_B, index);
case AUX_CH_B:
case AUX_CH_B:
case AUX_CH_B:
case AUX_CH_B: