S_TXPOLARITY
#define V_TXPOLARITY(x) ((x) << S_TXPOLARITY)
#define G_TXPOLARITY(x) (((x) >> S_TXPOLARITY) & M_TXPOLARITY)
#define V_TXPOLARITY(x) ((x) << S_TXPOLARITY)
#define G_TXPOLARITY(x) (((x) >> S_TXPOLARITY) & M_TXPOLARITY)