135 #define	PP_CMD_STB      0x01	/* Strobe.       Inverted. */
139 #define	STROBE	        PP_CMD_STB	/* Command strobe. */  macro
156 #define	ESTB		PP_STAT_POUT	/* Echoed strobe. */
231 	 * set address for TXDatax, Strobe=0  in portman_write_midi()
237 	 * PP Command Reg.  Do not set the Strobe signal yet.  in portman_write_midi()
244 		 * PP Data Reg.  This has no effect until Strobe signal is asserted.  in portman_write_midi()
255 	 * Strobe through the PP Command Reg.  This will Strobe data into  in portman_write_midi()
259 	portman_write_command(pm, command | STROBE);  in portman_write_midi()
261 	/* Wait for strobe line to settle and echo back through hardware.  in portman_write_midi()
269 	/* Release strobe and immediately re-allow interrupts. */  in portman_write_midi()
300 	cmdout = (port << 1) | INT_EN;	/* Address + IE + No Strobe. */  in portman_read_midi()
304 		cpu_relax();	/* Wait for strobe echo. */  in portman_read_midi()
312 	/* Set the Strobe signal to enable the Rx clocking circuitry. */  in portman_read_midi()
313 	portman_write_command(pm, cmdout | STROBE);	/* Write address+IE+Strobe. */  in portman_read_midi()
316 		cpu_relax(); /* Wait for strobe echo. */  in portman_read_midi()
359 	/* De-assert Strobe and return data. */  in portman_read_midi()
362 	/* Wait for strobe echo. */  in portman_read_midi()
384 	/* Write hardware (assumme STROBE=0) */  in portman_data_avail()
421 	/* Assert the Strobe and wait for echo back. */  in portman_flush_input()
422 	portman_write_command(pm, command | STROBE);  in portman_flush_input()
437 	/* Deassert the Strobe signal of the port and wait for it to settle. */  in portman_flush_input()
456 	 *                                  Strobe = 0  in portman_probe()
464 	parport_write_control(p, RXDATA0);	/* Write Strobe=0 to command reg. */  in portman_probe()
469 		return 1;	/* CODE 1 - Strobe Failure. */  in portman_probe()
473 	parport_write_control(p, RXDATA0 + STROBE);	/* Write Strobe=1 to command reg. */  in portman_probe()
477 		return 1;	/* CODE 1 - Strobe Failure. */  in portman_probe()
480 	parport_write_control(p, 0);	/* Reset Strobe=0. */  in portman_probe()
486 	parport_write_control(p, TXDATA0);	/* Tx channel 0, strobe off. */  in portman_probe()