TXP_ISR
WRITE_REG(sc, TXP_ISR, TXP_INT_RESERVED | TXP_INT_LATCH |
WRITE_REG(sc, TXP_ISR, TXP_INT_RESERVED | TXP_INT_LATCH |
WRITE_REG(sc, TXP_ISR, TXP_INT_A2H_0);
r = READ_REG(sc, TXP_ISR);
WRITE_REG(sc, TXP_ISR, TXP_INT_A2H_0);
isr = READ_REG(sc, TXP_ISR);
WRITE_REG(sc, TXP_ISR, isr);
isr = READ_REG(sc, TXP_ISR);