110 	device_t ppbus = device_get_parent(ppidev);  in ppi_enable_intr()  local
112 	r = ppb_rctr(ppbus);  in ppi_enable_intr()
113 	ppb_wctr(ppbus, r | IRQENABLE);  in ppi_enable_intr()
122 	device_t ppbus = device_get_parent(ppidev);  in ppi_disable_intr()  local
124 	r = ppb_rctr(ppbus);  in ppi_disable_intr()
125 	ppb_wctr(ppbus, r & ~IRQENABLE);  in ppi_disable_intr()
230 	device_t ppbus = device_get_parent(ppidev);  in ppiintr()  local
233 	ppb_assert_locked(ppbus);  in ppiintr()
236 	switch (ppb_1284_get_state(ppbus)) {  in ppiintr()
241 		if ((ppb_rstr(ppbus) & (SELECT | nBUSY)) ==  in ppiintr()
249 			ppb_wctr(ppbus, (PCD | STROBE | nINIT) & ~SELECTIN);  in ppiintr()
251 			ppb_1284_set_state(ppbus, PPB_NEGOCIATION);  in ppiintr()
255 			printf("0x%x", ppb_rstr(ppbus));  in ppiintr()
257 			ppb_peripheral_terminate(ppbus, PPB_DONTWAIT);  in ppiintr()
271 		printf("?%d", ppb_1284_get_state(ppbus));  in ppiintr()
273 		ppb_1284_set_state(ppbus, PPB_FORWARD_IDLE);  in ppiintr()
274 		ppb_set_mode(ppbus, PPB_COMPATIBLE);  in ppiintr()
289 	device_t ppbus = device_get_parent(ppidev);  in ppiopen()  local
294 		ppb_lock(ppbus);  in ppiopen()
295 		res = ppb_request_bus(ppbus, ppidev,  in ppiopen()
297 		ppb_unlock(ppbus);  in ppiopen()
315 	device_t ppbus = device_get_parent(ppidev);  in ppiclose()  local
318 	ppb_lock(ppbus);  in ppiclose()
320 	switch (ppb_1284_get_state(ppbus)) {  in ppiclose()
322 		ppb_peripheral_terminate(ppbus, 0);  in ppiclose()
328 		ppb_1284_terminate(ppbus);  in ppiclose()
334 	ppb_release_bus(ppbus, ppidev);  in ppiclose()
335 	ppb_unlock(ppbus);  in ppiclose()
357 	device_t ppbus = device_get_parent(ppidev);  in ppiread()  local
363 	ppb_lock(ppbus);  in ppiread()
364 	switch (ppb_1284_get_state(ppbus)) {  in ppiread()
366 		ppb_peripheral_terminate(ppbus, 0);  in ppiread()
373 		if ((ppb_1284_negociate(ppbus,  in ppiread()
378 			ppb_sleep(ppbus, ppi, PPBPRI, "ppiread", 2 * hz);  in ppiread()
380 			if ((error = ppb_1284_negociate(ppbus,  in ppiread()
382 				ppb_unlock(ppbus);  in ppiread()
402 		error = ppb_1284_read(ppbus, ppi->ppi_mode,  in ppiread()
404 		ppb_unlock(ppbus);  in ppiread()
416 		ppb_lock(ppbus);  in ppiread()
418 	ppb_unlock(ppbus);  in ppiread()
448 	device_t ppbus = device_get_parent(ppidev);  in ppiwrite()  local
464 	ppb_lock(ppbus);  in ppiwrite()
467 	if (ppb_1284_negociate(ppbus, PPB_ECP, 0)) {  in ppiwrite()
472 		ppb_unlock(ppbus);  in ppiwrite()
477 		ppb_lock(ppbus);  in ppiwrite()
478 		error = ppb_MS_microseq(ppbus, msq, &ret);  in ppiwrite()
482 	ppb_lock(ppbus);  in ppiwrite()
488  	if (ppb_1284_get_state(ppbus) < PPB_PERIPHERAL_NEGOCIATION)  in ppiwrite()
489 		ppb_1284_terminate(ppbus);  in ppiwrite()
491  	while (ppb_1284_get_state(ppbus) != PPB_PERIPHERAL_IDLE) {  in ppiwrite()
500 		error = ppb_sleep(ppbus, ppi, PCATCH | PPBPRI, "ppiwrite", 0);  in ppiwrite()
505 			ppb_peripheral_negociate(ppbus, PPB_BYTE, 0);  in ppiwrite()
519 		ppb_unlock(ppbus);  in ppiwrite()
521 		ppb_lock(ppbus);  in ppiwrite()
522 		if ((error = byte_peripheral_write(ppbus,  in ppiwrite()
531 	ppb_unlock(ppbus);  in ppiwrite()
545 	device_t ppbus = device_get_parent(ppidev);  in ppiioctl()  local
549 	ppb_lock(ppbus);  in ppiioctl()
552 		*val = ppb_rdtr(ppbus);  in ppiioctl()
555 		*val = ppb_rstr(ppbus);  in ppiioctl()
558 		*val = ppb_rctr(ppbus);  in ppiioctl()
561 		*val = ppb_repp_D(ppbus);  in ppiioctl()
564 		*val = ppb_recr(ppbus);  in ppiioctl()
567 		*val = ppb_rfifo(ppbus);  in ppiioctl()
570 		ppb_wdtr(ppbus, *val);  in ppiioctl()
573 		ppb_wstr(ppbus, *val);  in ppiioctl()
576 		ppb_wctr(ppbus, *val);  in ppiioctl()
579 		ppb_wepp_D(ppbus, *val);  in ppiioctl()
582 		ppb_wecr(ppbus, *val);  in ppiioctl()
585 		ppb_wfifo(ppbus, *val);  in ppiioctl()
588 		*val = ppb_repp_A(ppbus);  in ppiioctl()
591 		ppb_wepp_A(ppbus, *val);  in ppiioctl()
597 	ppb_unlock(ppbus);  in ppiioctl()
617 DRIVER_MODULE(ppi, ppbus, ppi_driver, 0, 0);
618 MODULE_DEPEND(ppi, ppbus, 1, 1, 1);