46 	device_t ppbus;  member
86 ppstry(device_t ppbus, int send, int expect)  in ppstry()  argument
90 	ppb_wdtr(ppbus, send);  in ppstry()
91 	i = ppb_rdtr(ppbus);  in ppstry()
108 	device_t ppbus = device_get_parent(dev);  in ppsattach()  local
132 	ppb_init_callout(ppbus, &sc->timeout, 0);  in ppsattach()
134 	sc->ppbus = ppbus;  in ppsattach()
135 	unit = device_get_unit(ppbus);  in ppsattach()
141 	sc->pps[0].driver_mtx = ppb_get_lock(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()
195 			sc->pps[i].driver_mtx = ppb_get_lock(ppbus);  in ppsattach()
200 		ppb_lock(ppbus);  in ppsattach()
202 	i = ppb_set_mode(sc->ppbus, PPB_COMPATIBLE);  in ppsattach()
203 	ppb_release_bus(ppbus, dev);  in ppsattach()
204 	ppb_unlock(ppbus);  in ppsattach()
213 	device_t ppbus = sc->ppbus;  in ppsopen()  local
223 	ppb_lock(ppbus);  in ppsopen()
227 		if (ppb_request_bus(ppbus, ppsdev, PPB_WAIT|PPB_INTR)) {  in ppsopen()
228 			ppb_unlock(ppbus);  in ppsopen()
233 		i = ppb_set_mode(sc->ppbus, PPB_PS2);  in ppsopen()
234 		PRVERBOSE("EPP: %d %d\n", i, PPB_IN_EPP_MODE(sc->ppbus));  in ppsopen()
237 		ppb_wctr(ppbus, i);  in ppsopen()
242 		sc->lastdata = ppb_rdtr(sc->ppbus);  in ppsopen()
245 	ppb_unlock(ppbus);  in ppsopen()
258 	ppb_lock(sc->ppbus);  in ppsclose()
264 		device_t ppbus = sc->ppbus;  in ppsclose()  local
266 		ppb_wdtr(ppbus, 0);  in ppsclose()
267 		ppb_wctr(ppbus, 0);  in ppsclose()
269 		ppb_set_mode(ppbus, PPB_COMPATIBLE);  in ppsclose()
270 		ppb_release_bus(ppbus, ppsdev);  in ppsclose()
272 	ppb_unlock(sc->ppbus);  in ppsclose()
284 	i = ppb_rdtr(sc->ppbus);  in ppshcpoll()
306 	ppb_assert_locked(sc->ppbus);  in ppsintr()
308 	if (!(ppb_rstr(sc->ppbus) & nACK))  in ppsintr()
312 		ppb_wctr(sc->ppbus, IRQENABLE | AUTOFEED);  in ppsintr()
315 		ppb_wctr(sc->ppbus, IRQENABLE);  in ppsintr()
325 	ppb_lock(sc->ppbus);  in ppsioctl()
327 	ppb_unlock(sc->ppbus);  in ppsioctl()
345 DRIVER_MODULE(pps, ppbus, pps_driver, 0, 0);
346 MODULE_DEPEND(pps, ppbus, 1, 1, 1);