taglinefilesource code
ctlbits187drivers/char/tpqic02.cstatic volatile int ctlbits = 0;     /* control reg bits for tape interface */
ctlbits394drivers/char/tpqic02.cctlbits = WT_CTL_ONLINE;  /* online */
ctlbits395drivers/char/tpqic02.coutb_p(ctlbits, QIC_CTL_PORT);
ctlbits398drivers/char/tpqic02.cctlbits = 0;      /* no interrupts yet */
ctlbits399drivers/char/tpqic02.coutb_p(ctlbits, QIC_CTL_PORT);
ctlbits550drivers/char/tpqic02.coutb_p(ctlbits | QIC_CTL_RESET, QIC_CTL_PORT);  /* assert reset */
ctlbits563drivers/char/tpqic02.coutb_p(ctlbits & ~QIC_CTL_RESET, QIC_CTL_PORT);  /* de-assert reset */
ctlbits607drivers/char/tpqic02.coutb_p(ctlbits | QIC_CTL_REQUEST, QIC_CTL_PORT);  /* set request bit */
ctlbits621drivers/char/tpqic02.coutb_p(ctlbits & ~QIC_CTL_REQUEST, QIC_CTL_PORT); /* reset request bit */
ctlbits815drivers/char/tpqic02.coutb_p(ctlbits | QIC_CTL_REQUEST, QIC_CTL_PORT);  /* set request */
ctlbits821drivers/char/tpqic02.coutb_p(ctlbits & ~QIC_CTL_REQUEST, QIC_CTL_PORT);  /* un-set request */