46 	device_t ppbus;  member
88 ppstry(device_t ppbus, int send, int expect)  in ppstry()  argument
92 	ppb_wdtr(ppbus, send);  in ppstry()
93 	i = ppb_rdtr(ppbus);  in ppstry()
110 	device_t ppbus = device_get_parent(dev);  in ppsattach()  local
134 	ppb_init_callout(ppbus, &sc->timeout, 0);  in ppsattach()
136 	sc->ppbus = ppbus;  in ppsattach()
137 	unit = device_get_unit(ppbus);  in ppsattach()
146 	ppb_lock(ppbus);  in ppsattach()
147 	if (ppb_request_bus(ppbus, dev, PPB_DONTWAIT)) {  in ppsattach()
148 		ppb_unlock(ppbus);  in ppsattach()
153 		i = ppb_set_mode(sc->ppbus, PPB_EPP);  in ppsattach()
154 		PRVERBOSE("EPP: %d %d\n", i, PPB_IN_EPP_MODE(sc->ppbus));  in ppsattach()
158 		ppb_wctr(ppbus, i);  in ppsattach()
159 		if (ppstry(ppbus, 0x00, 0x00))  in ppsattach()
161 		if (ppstry(ppbus, 0x55, 0x55))  in ppsattach()
163 		if (ppstry(ppbus, 0xaa, 0xaa))  in ppsattach()
165 		if (ppstry(ppbus, 0xff, 0xff))  in ppsattach()
169 		ppb_wctr(ppbus, i);  in ppsattach()
170 		PRVERBOSE("CTR = %02x (%02x)\n", ppb_rctr(ppbus), i);  in ppsattach()
171 		if (ppstry(ppbus, 0x00, 0x00))  in ppsattach()
173 		if (ppstry(ppbus, 0x55, 0x00))  in ppsattach()
175 		if (ppstry(ppbus, 0xaa, 0x00))  in ppsattach()
177 		if (ppstry(ppbus, 0xff, 0x00))  in ppsattach()
181 		ppb_wctr(ppbus, i);  in ppsattach()
182 		PRVERBOSE("CTR = %02x (%02x)\n", ppb_rctr(ppbus), i);  in ppsattach()
183 		ppstry(ppbus, 0x00, 0xff);  in ppsattach()
184 		ppstry(ppbus, 0x55, 0xff);  in ppsattach()
185 		ppstry(ppbus, 0xaa, 0xff);  in ppsattach()
186 		ppstry(ppbus, 0xff, 0xff);  in ppsattach()
187 		ppb_unlock(ppbus);  in ppsattach()
198 		ppb_lock(ppbus);  in ppsattach()
200 	i = ppb_set_mode(sc->ppbus, PPB_COMPATIBLE);  in ppsattach()
201 	ppb_release_bus(ppbus, dev);  in ppsattach()
202 	ppb_unlock(ppbus);  in ppsattach()
211 	device_t ppbus = sc->ppbus;  in ppsopen()  local
221 	ppb_lock(ppbus);  in ppsopen()
225 		if (ppb_request_bus(ppbus, ppsdev, PPB_WAIT|PPB_INTR)) {  in ppsopen()
226 			ppb_unlock(ppbus);  in ppsopen()
231 		i = ppb_set_mode(sc->ppbus, PPB_PS2);  in ppsopen()
232 		PRVERBOSE("EPP: %d %d\n", i, PPB_IN_EPP_MODE(sc->ppbus));  in ppsopen()
235 		ppb_wctr(ppbus, i);  in ppsopen()
240 		sc->lastdata = ppb_rdtr(sc->ppbus);  in ppsopen()
243 	ppb_unlock(ppbus);  in ppsopen()
256 	ppb_lock(sc->ppbus);  in ppsclose()
262 		device_t ppbus = sc->ppbus;  in ppsclose()  local
264 		ppb_wdtr(ppbus, 0);  in ppsclose()
265 		ppb_wctr(ppbus, 0);  in ppsclose()
267 		ppb_set_mode(ppbus, PPB_COMPATIBLE);  in ppsclose()
268 		ppb_release_bus(ppbus, ppsdev);  in ppsclose()
270 	ppb_unlock(sc->ppbus);  in ppsclose()
282 	i = ppb_rdtr(sc->ppbus);  in ppshcpoll()
304 	ppb_assert_locked(sc->ppbus);  in ppsintr()
306 	if (!(ppb_rstr(sc->ppbus) & nACK))  in ppsintr()
310 		ppb_wctr(sc->ppbus, IRQENABLE | AUTOFEED);  in ppsintr()
313 		ppb_wctr(sc->ppbus, IRQENABLE);  in ppsintr()
323 	ppb_lock(sc->ppbus);  in ppsioctl()
325 	ppb_unlock(sc->ppbus);  in ppsioctl()
343 DRIVER_MODULE(pps, ppbus, pps_driver, pps_devclass, 0, 0);
344 MODULE_DEPEND(pps, ppbus, 1, 1, 1);