169 #define	NOT_READY(ppbus) ((ppb_rstr(ppbus)^LPS_INVERT)&LPS_MASK)  argument
193 	device_t ppbus = device_get_parent(dev);  in lpt_request_ppbus()  local
201 	ppb_assert_locked(ppbus);  in lpt_request_ppbus()
205 	error = ppb_request_bus(ppbus, dev, how);  in lpt_request_ppbus()
214 	device_t ppbus = device_get_parent(dev);  in lpt_release_ppbus()  local
218 	ppb_assert_locked(ppbus);  in lpt_release_ppbus()
220 		error = ppb_release_bus(ppbus, dev);  in lpt_release_ppbus()
231 lpt_port_test(device_t ppbus, u_char data, u_char mask)  in lpt_port_test()  argument
236 	ppb_wdtr(ppbus, data);  in lpt_port_test()
240 		temp = ppb_rdtr(ppbus) & mask;  in lpt_port_test()
297 	device_t ppbus = device_get_parent(dev);  in lpt_detect()  local
311 	ppb_lock(ppbus);  in lpt_detect()
313 		ppb_unlock(ppbus);  in lpt_detect()
319 		if (!lpt_port_test(ppbus, testbyte[i], 0xff)) {  in lpt_detect()
325 	ppb_wdtr(ppbus, 0);  in lpt_detect()
326 	ppb_wctr(ppbus, 0);  in lpt_detect()
329 	ppb_unlock(ppbus);  in lpt_detect()
363 	device_t ppbus = device_get_parent(dev);  in lpt_attach()  local
369 	ppb_init_callout(ppbus, &sc->sc_timer, 0);  in lpt_attach()
371 	ppb_lock(ppbus);  in lpt_attach()
373 		ppb_unlock(ppbus);  in lpt_attach()
378 	ppb_wctr(ppbus, LPC_NINIT);  in lpt_attach()
380 	ppb_unlock(ppbus);  in lpt_attach()
422 	device_t ppbus = device_get_parent(dev);  in lpt_detach()  local
426 	ppb_lock(ppbus);  in lpt_detach()
428 	ppb_unlock(ppbus);  in lpt_detach()
446 	device_t ppbus __unused;  in lptout()
448 	ppbus = device_get_parent(dev);  in lptout()
449 	ppb_assert_locked(ppbus);  in lptout()
450 	lprintf(("T %x ", ppb_rstr(ppbus)));  in lptout()
485 	device_t ppbus;  in lptopen()  local
491 	ppbus = device_get_parent(lptdev);  in lptopen()
493 	ppb_lock(ppbus);  in lptopen()
497 		ppb_unlock(ppbus);  in lptopen()
507 		ppb_unlock(ppbus);  in lptopen()
515 		ppb_unlock(ppbus);  in lptopen()
532 			ppb_wctr(ppbus, 0);  in lptopen()
538 	ppb_wctr(ppbus, LPC_SEL|LPC_NINIT);  in lptopen()
545 			lprintf(("status %x\n", ppb_rstr(ppbus)));  in lptopen()
549 			ppb_unlock(ppbus);  in lptopen()
554 		if (ppb_sleep(ppbus, lptdev, LPPRI | PCATCH, "lptinit",  in lptopen()
558 			ppb_unlock(ppbus);  in lptopen()
563 	} while ((ppb_rstr(ppbus) &  in lptopen()
575 	ppb_wctr(ppbus, sc->sc_control);  in lptopen()
591 	ppb_unlock(ppbus);  in lptopen()
608 	device_t ppbus = device_get_parent(lptdev);  in lptclose()  local
611 	ppb_lock(ppbus);  in lptclose()
616 		ppb_unlock(ppbus);  in lptclose()
622 		while ((ppb_rstr(ppbus) &  in lptclose()
626 			if (ppb_sleep(ppbus, lptdev, LPPRI | PCATCH, "lpclose",  in lptclose()
632 	ppb_wctr(ppbus, LPC_NINIT);  in lptclose()
642 	ppb_unlock(ppbus);  in lptclose()
659 	device_t ppbus = device_get_parent(dev);  in lpt_pushbytes()  local
663 	ppb_assert_locked(ppbus);  in lpt_pushbytes()
677 		for (spin = 0; NOT_READY(ppbus) && spin < MAX_SPIN; ++spin)  in lpt_pushbytes()
681 			while (NOT_READY(ppbus)) {  in lpt_pushbytes()
692 				err = ppb_sleep(ppbus, dev, LPPRI,  in lpt_pushbytes()
701 		ppb_wdtr(ppbus, ch);  in lpt_pushbytes()
703 		ppb_wctr(ppbus, sc->sc_control|LPC_STB);  in lpt_pushbytes()
704 		ppb_wctr(ppbus, sc->sc_control);  in lpt_pushbytes()
718 	device_t ppbus = device_get_parent(lptdev);  in lptread()  local
726 	ppb_lock(ppbus);  in lptread()
727 	if ((error = ppb_1284_negociate(ppbus, PPB_NIBBLE, 0))) {  in lptread()
728 		ppb_unlock(ppbus);  in lptread()
735 		if ((error = ppb_1284_read(ppbus, PPB_NIBBLE,  in lptread()
744 		ppb_unlock(ppbus);  in lptread()
746 		ppb_lock(ppbus);  in lptread()
752 	ppb_1284_terminate(ppbus);  in lptread()
753 	ppb_unlock(ppbus);  in lptread()
771 	device_t ppbus = device_get_parent(lptdev);  in lptwrite()  local
779 	ppb_lock(ppbus);  in lptwrite()
781 		ppb_unlock(ppbus);  in lptwrite()
788 		ppb_unlock(ppbus);  in lptwrite()
790 		ppb_lock(ppbus);  in lptwrite()
797 			err = ppb_write(ppbus, sc->sc_cp,  in lptwrite()
807 				ppb_unlock(ppbus);  in lptwrite()
816 				ppb_unlock(ppbus);  in lptwrite()
829 				if ((err = ppb_sleep(ppbus, lptdev,  in lptwrite()
832 					ppb_unlock(ppbus);  in lptwrite()
844 				ppb_unlock(ppbus);  in lptwrite()
852 	ppb_unlock(ppbus);  in lptwrite()
868 	device_t ppbus = device_get_parent(lptdev);  in lptintr()  local
879 	     ((sts=ppb_rstr(ppbus)) & RDY_MASK) != LP_READY; i++) ;  in lptintr()
888 			ppb_wdtr(ppbus, *sc->sc_cp++) ;  in lptintr()
889 			ppb_wctr(ppbus, sc->sc_control|LPC_STB);  in lptintr()
891 			ppb_wctr(ppbus, sc->sc_control);  in lptintr()
922 	device_t ppbus;  in lptioctl()  local
927 		ppbus = device_get_parent(sc->sc_dev);  in lptioctl()
928 		ppb_lock(ppbus);  in lptioctl()
971 		ppb_unlock(ppbus);  in lptioctl()
995 DRIVER_MODULE(lpt, ppbus, lpt_driver, 0, 0);
996 MODULE_DEPEND(lpt, ppbus, 1, 1, 1);