1 /*-
44 	{"pps-gpio", 	1},
67 	struct pps_softc *sc = dev->si_drv1;  in gpiopps_open()
70 	mtx_lock(&sc->pps_mtx);  in gpiopps_open()
71 	device_busy(sc->dev);  in gpiopps_open()
72 	mtx_unlock(&sc->pps_mtx);  in gpiopps_open()
80 	struct pps_softc *sc = dev->si_drv1;  in gpiopps_close()
82 	mtx_lock(&sc->pps_mtx);  in gpiopps_close()
83 	device_unbusy(sc->dev);  in gpiopps_close()
84 	mtx_unlock(&sc->pps_mtx);  in gpiopps_close()
92 	struct pps_softc *sc = dev->si_drv1;  in gpiopps_ioctl()
96 	mtx_lock(&sc->pps_mtx);  in gpiopps_ioctl()
97 	err = pps_ioctl(cmd, data, &sc->pps_state);  in gpiopps_ioctl()
98 	mtx_unlock(&sc->pps_mtx);  in gpiopps_ioctl()
121 	 * pps_event() routine.  We don't need lock-based management of access  in gpiopps_ifltr()
122 	 * to the capture area because we have time-based access management:  we  in gpiopps_ifltr()
129 	pps_capture(&sc->pps_state);  in gpiopps_ifltr()
142 	 * handler.  The pps_event() routine updates the non-capture part of the  in gpiopps_ithrd()
144 	 * data right now in a non-interrupt context, so we need an interlock.  in gpiopps_ithrd()
146 	mtx_lock(&sc->pps_mtx);  in gpiopps_ithrd()
147 	pps_event(&sc->pps_state, PPS_CAPTUREASSERT);  in gpiopps_ithrd()
148 	mtx_unlock(&sc->pps_mtx);  in gpiopps_ithrd()
156 	if (sc->pps_cdev != NULL)  in gpiopps_detach()
157 		destroy_dev(sc->pps_cdev);  in gpiopps_detach()
158 	if (sc->ihandler != NULL)  in gpiopps_detach()
159 		bus_teardown_intr(dev, sc->ires, sc->ihandler);  in gpiopps_detach()
160 	if (sc->ires != NULL)  in gpiopps_detach()
161 		bus_release_resource(dev, SYS_RES_IRQ, sc->irid, sc->ires);  in gpiopps_detach()
162 	if (sc->gpin != NULL)  in gpiopps_detach()
163 		gpiobus_release_pin(GPIO_GET_BUS(sc->gpin->dev), sc->gpin->pin);  in gpiopps_detach()
174 	uint32_t edge, pincaps;  in gpiopps_fdt_attach()  local
178 	sc->dev = dev;  in gpiopps_fdt_attach()
180 	mtx_init(&sc->pps_mtx, device_get_nameunit(dev), NULL, MTX_DEF);  in gpiopps_fdt_attach()
183 	sc->pps_state.ppscap = PPS_CAPTUREASSERT | PPS_CAPTURECLEAR;  in gpiopps_fdt_attach()
184 	sc->pps_state.driver_abi = PPS_ABI_VERSION;  in gpiopps_fdt_attach()
185 	sc->pps_state.driver_mtx = &sc->pps_mtx;  in gpiopps_fdt_attach()
186 	pps_init_abi(&sc->pps_state);  in gpiopps_fdt_attach()
188 	/* Check which edge we're configured to capture (default is rising). */  in gpiopps_fdt_attach()
189 	if (ofw_bus_has_prop(dev, "assert-falling-edge"))  in gpiopps_fdt_attach()
190 		edge = GPIO_INTR_EDGE_FALLING;  in gpiopps_fdt_attach()
192 		edge = GPIO_INTR_EDGE_RISING;  in gpiopps_fdt_attach()
199 	if ((err = gpio_pin_get_by_ofw_idx(dev, node, 0, &sc->gpin)) != 0) {  in gpiopps_fdt_attach()
204 	    device_get_nameunit(sc->gpin->dev), sc->gpin->pin);  in gpiopps_fdt_attach()
206 	if ((err = gpio_pin_getcaps(sc->gpin, &pincaps)) != 0) {  in gpiopps_fdt_attach()
211 	if ((pincaps & edge) == 0) {  in gpiopps_fdt_attach()
212 		device_printf(dev, "Pin cannot be configured for the requested signal edge\n");  in gpiopps_fdt_attach()
221 	if ((sc->ires = gpio_alloc_intr_resource(dev, &sc->irid, RF_ACTIVE,  in gpiopps_fdt_attach()
222 	    sc->gpin, edge)) == NULL) {  in gpiopps_fdt_attach()
228 	err = bus_setup_intr(dev, sc->ires, INTR_TYPE_CLK | INTR_MPSAFE,   in gpiopps_fdt_attach()
229 	    gpiopps_ifltr, gpiopps_ithrd, sc, &sc->ihandler);  in gpiopps_fdt_attach()
236 	/* Create the RFC 2783 pps-api cdev. */  in gpiopps_fdt_attach()
243 	err = make_dev_s(&devargs, &sc->pps_cdev, PPS_CDEV_NAME "%d",   in gpiopps_fdt_attach()
261 	if (ofw_bus_search_compatible(dev, compat_data)->ocd_data != 0) {  in gpiopps_fdt_probe()