111 	device_t ppbus = device_get_parent(ppidev);  in ppi_enable_intr()  local
113 	r = ppb_rctr(ppbus);  in ppi_enable_intr()
114 	ppb_wctr(ppbus, r | IRQENABLE);  in ppi_enable_intr()
123 	device_t ppbus = device_get_parent(ppidev);  in ppi_disable_intr()  local
125 	r = ppb_rctr(ppbus);  in ppi_disable_intr()
126 	ppb_wctr(ppbus, r & ~IRQENABLE);  in ppi_disable_intr()
235 	device_t ppbus = device_get_parent(ppidev);  in ppiintr()  local
238 	ppb_assert_locked(ppbus);  in ppiintr()
241 	switch (ppb_1284_get_state(ppbus)) {  in ppiintr()
247 		if ((ppb_rstr(ppbus) & (SELECT | nBUSY)) ==  in ppiintr()
255 			ppb_wctr(ppbus, (PCD | STROBE | nINIT) & ~SELECTIN);  in ppiintr()
257 			ppb_1284_set_state(ppbus, PPB_NEGOCIATION);  in ppiintr()
261 			printf("0x%x", ppb_rstr(ppbus));  in ppiintr()
263 			ppb_peripheral_terminate(ppbus, PPB_DONTWAIT);  in ppiintr()
277 		printf("?%d", ppb_1284_get_state(ppbus));  in ppiintr()
279 		ppb_1284_set_state(ppbus, PPB_FORWARD_IDLE);  in ppiintr()
280 		ppb_set_mode(ppbus, PPB_COMPATIBLE);  in ppiintr()
295 	device_t ppbus = device_get_parent(ppidev);  in ppiopen()  local
300 		ppb_lock(ppbus);  in ppiopen()
301 		res = ppb_request_bus(ppbus, ppidev,  in ppiopen()
303 		ppb_unlock(ppbus);  in ppiopen()
321 	device_t ppbus = device_get_parent(ppidev);  in ppiclose()  local
324 	ppb_lock(ppbus);  in ppiclose()
326 	switch (ppb_1284_get_state(ppbus)) {  in ppiclose()
328 		ppb_peripheral_terminate(ppbus, 0);  in ppiclose()
334 		ppb_1284_terminate(ppbus);  in ppiclose()
340 	ppb_release_bus(ppbus, ppidev);  in ppiclose()
341 	ppb_unlock(ppbus);  in ppiclose()
363 	device_t ppbus = device_get_parent(ppidev);  in ppiread()  local
369 	ppb_lock(ppbus);  in ppiread()
370 	switch (ppb_1284_get_state(ppbus)) {  in ppiread()
372 		ppb_peripheral_terminate(ppbus, 0);  in ppiread()
379 		if ((ppb_1284_negociate(ppbus,  in ppiread()
385 			ppb_sleep(ppbus, ppi, PPBPRI, "ppiread", 2 * hz);  in ppiread()
387 			if ((error = ppb_1284_negociate(ppbus,  in ppiread()
389 				ppb_unlock(ppbus);  in ppiread()
409 		error = ppb_1284_read(ppbus, ppi->ppi_mode,  in ppiread()
411 		ppb_unlock(ppbus);  in ppiread()
423 		ppb_lock(ppbus);  in ppiread()
425 	ppb_unlock(ppbus);  in ppiread()
455 	device_t ppbus = device_get_parent(ppidev);  in ppiwrite()  local
471 	ppb_lock(ppbus);  in ppiwrite()
474 	if (ppb_1284_negociate(ppbus, PPB_ECP, 0)) {  in ppiwrite()
479 		ppb_unlock(ppbus);  in ppiwrite()
484 		ppb_lock(ppbus);  in ppiwrite()
485 		error = ppb_MS_microseq(ppbus, msq, &ret);  in ppiwrite()
489 	ppb_lock(ppbus);  in ppiwrite()
495  	if (ppb_1284_get_state(ppbus) < PPB_PERIPHERAL_NEGOCIATION)  in ppiwrite()
496 		ppb_1284_terminate(ppbus);  in ppiwrite()
498  	while (ppb_1284_get_state(ppbus) != PPB_PERIPHERAL_IDLE) {  in ppiwrite()
507 		error = ppb_sleep(ppbus, ppi, PCATCH | PPBPRI, "ppiwrite", 0);  in ppiwrite()
512 			ppb_peripheral_negociate(ppbus, PPB_BYTE, 0);  in ppiwrite()
526 		ppb_unlock(ppbus);  in ppiwrite()
528 		ppb_lock(ppbus);  in ppiwrite()
529 		if ((error = byte_peripheral_write(ppbus,  in ppiwrite()
538 	ppb_unlock(ppbus);  in ppiwrite()
552 	device_t ppbus = device_get_parent(ppidev);  in ppiioctl()  local
556 	ppb_lock(ppbus);  in ppiioctl()
560 		*val = ppb_rdtr(ppbus);  in ppiioctl()
563 		*val = ppb_rstr(ppbus);  in ppiioctl()
566 		*val = ppb_rctr(ppbus);  in ppiioctl()
569 		*val = ppb_repp_D(ppbus);  in ppiioctl()
572 		*val = ppb_recr(ppbus);  in ppiioctl()
575 		*val = ppb_rfifo(ppbus);  in ppiioctl()
578 		ppb_wdtr(ppbus, *val);  in ppiioctl()
581 		ppb_wstr(ppbus, *val);  in ppiioctl()
584 		ppb_wctr(ppbus, *val);  in ppiioctl()
587 		ppb_wepp_D(ppbus, *val);  in ppiioctl()
590 		ppb_wecr(ppbus, *val);  in ppiioctl()
593 		ppb_wfifo(ppbus, *val);  in ppiioctl()
596 		*val = ppb_repp_A(ppbus);  in ppiioctl()
599 		ppb_wepp_A(ppbus, *val);  in ppiioctl()
605 	ppb_unlock(ppbus);  in ppiioctl()
625 DRIVER_MODULE(ppi, ppbus, ppi_driver, ppi_devclass, 0, 0);
626 MODULE_DEPEND(ppi, ppbus, 1, 1, 1);