CX25840_IR_CNTRL_REG
cntrl = cx25840_read4(c, CX25840_IR_CNTRL_REG);
cx25840_and_or4(c, CX25840_IR_CNTRL_REG, ~CNTRL_TIC, level);
cx25840_and_or4(c, CX25840_IR_CNTRL_REG, ~CNTRL_RIC, level);
cx25840_and_or4(c, CX25840_IR_CNTRL_REG, ~(CNTRL_TXE | CNTRL_TFE),
cx25840_and_or4(c, CX25840_IR_CNTRL_REG, ~(CNTRL_RXE | CNTRL_RFE),
cx25840_and_or4(c, CX25840_IR_CNTRL_REG, ~CNTRL_MOD,
cx25840_and_or4(c, CX25840_IR_CNTRL_REG, ~CNTRL_DMD,
cx25840_and_or4(c, CX25840_IR_CNTRL_REG, ~CNTRL_EDG_BOTH,
cx25840_and_or4(c, CX25840_IR_CNTRL_REG, ~CNTRL_WIN, v);
cx25840_and_or4(c, CX25840_IR_CNTRL_REG, ~CNTRL_CPL,
cntrl = cx25840_read4(c, CX25840_IR_CNTRL_REG);
cx25840_write4(c, CX25840_IR_CNTRL_REG, cntrl & ~v);
cx25840_write4(c, CX25840_IR_CNTRL_REG, cntrl);