rtsn_read
return (rtsn_read(priv, OSR) & OSR_OPS) >> 1;
val = rtsn_read(priv, TDIS0) | TDIS_TDS(TX_CHAIN_IDX);
val |= rtsn_read(priv, RDIS0) | RDIS_RDS(RX_CHAIN_IDX);
ret = MPSM_PRD_GET(rtsn_read(priv, MPSM));
rtsn_write(priv, reg, (rtsn_read(priv, reg) & ~clear) | set);
mrmac0 = rtsn_read(priv, MRMAC0);
mrmac1 = rtsn_read(priv, MRMAC1);