BWN_TSSI2DBM
m1 = BWN_TSSI2DBM(16 * pab0 + i * pab1, 32);
m2 = MAX(BWN_TSSI2DBM(32768 + i * pab2, 256), 1);
q = BWN_TSSI2DBM(f * 4096 - BWN_TSSI2DBM(m2 * f, 16) *
pg->pg_tssi2dbm[i] = MIN(MAX(BWN_TSSI2DBM(m1 * f, 8192), -127),