Lines Matching refs:TREQ
105 #define TREQ 0x10 /* Transfer request (output) */
108 #define TREQ 0x04
586 /* Negate TREQ. Set TACK to input and TREQ to output. */
587 out_8(&via2[B], in_8(&via2[B]) | TREQ);
588 out_8(&via2[DIRB], (in_8(&via2[DIRB]) | TREQ) & ~TACK);
1212 out_8(&via2[B], in_8(&via2[B]) & ~TREQ); /* assert TREQ */
1221 out_8(&via2[B], in_8(&via2[B]) & ~TREQ);
1481 if (in_8(&via2[B]) & TREQ) {
1493 /* reset TREQ and wait for TACK to go high */
1494 out_8(&via2[B], in_8(&via2[B]) | TREQ);
2506 via2[B] &= ~TREQ; eieio();
2509 via2[B] |= TREQ; eieio();