drivers/macintosh/via-cuda.c

77 #define TIP		0x20		/* Transfer in progress */
111 		out_8(&via[B], in_8(&via[B]) | TIP);
113 		out_8(&via[B], in_8(&via[B]) & ~TIP);
120 		out_8(&via[B], in_8(&via[B]) | TIP | TACK);
122 		out_8(&via[B], in_8(&via[B]) & ~(TIP | TACK));
152 		out_8(&via[B], in_8(&via[B]) & ~(TIP | TACK));
154 		out_8(&via[B], in_8(&via[B]) | TIP | TACK);
349 	} else if (in_8(&via[B]) & TIP) {
384     out_8(&via[DIRB], (in_8(&via[DIRB]) | TACK | TIP) & ~TREQ);	/* TACK & TIP out */
398     /* sync with the CUDA - assert TACK without TIP */
591     status = in_8(&via[B]) & (TIP | TACK | TREQ);