1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
45 #include <machine/resource.h>
59 	struct resource	*sc_gpios;
72 static struct resource *macgpio_alloc_resource(device_t, device_t, int, int *,
75 		    struct resource *);
77 		    struct resource *);
153 	struct macgpio_softc *sc;  in macgpio_attach()  local
159 	sc = device_get_softc(dev);  in macgpio_attach()
160 	root = sc->sc_node = ofw_bus_get_node(dev);  in macgpio_attach()
162 	sc->sc_gpios = bus_alloc_resource_any(dev, SYS_RES_MEMORY,  in macgpio_attach()
163 	    &sc->sc_gpios_rid, RF_ACTIVE);  in macgpio_attach()
166 	 * Iterate through the sub-devices  in macgpio_attach()
170 		if (ofw_bus_gen_setup_devinfo(&dinfo->mdi_obdinfo, child) !=  in macgpio_attach()
176 		if (OF_getencprop(child, "reg", &dinfo->gpio_num,  in macgpio_attach()
177 		    sizeof(dinfo->gpio_num)) != sizeof(dinfo->gpio_num)) {  in macgpio_attach()
185 			dinfo->gpio_num = -1;  in macgpio_attach()
188 		resource_list_init(&dinfo->mdi_resources);  in macgpio_attach()
192 			OF_searchencprop(child, "interrupt-parent", &iparent,  in macgpio_attach()
194 			resource_list_add(&dinfo->mdi_resources, SYS_RES_IRQ,  in macgpio_attach()
199 		/* Fix messed-up offsets */  in macgpio_attach()
200 		if (dinfo->gpio_num > 0x50)  in macgpio_attach()
201 			dinfo->gpio_num -= 0x50;  in macgpio_attach()
206 			    dinfo->mdi_obdinfo.obd_name);  in macgpio_attach()
207 			ofw_bus_gen_destroy_devinfo(&dinfo->mdi_obdinfo);  in macgpio_attach()
228 	if (dinfo->gpio_num >= GPIO_BASE)  in macgpio_print_child()
229 		printf(" gpio %d", dinfo->gpio_num - GPIO_BASE);  in macgpio_print_child()
230 	else if (dinfo->gpio_num >= GPIO_EXTINT_BASE)  in macgpio_print_child()
231 		printf(" extint-gpio %d", dinfo->gpio_num - GPIO_EXTINT_BASE);  in macgpio_print_child()
232 	else if (dinfo->gpio_num >= 0)  in macgpio_print_child()
233 		printf(" addr 0x%02x", dinfo->gpio_num); /* should not happen */  in macgpio_print_child()
235 	resource_list_print_type(&dinfo->mdi_resources, "irq", SYS_RES_IRQ,   in macgpio_print_child()
254 		if (dinfo->gpio_num >= 0)  in macgpio_probe_nomatch()
255 			printf(" gpio %d",dinfo->gpio_num);  in macgpio_probe_nomatch()
256 		resource_list_print_type(&dinfo->mdi_resources, "irq",   in macgpio_probe_nomatch()
262 static struct resource *
274 	return (resource_list_alloc(&dinfo->mdi_resources, bus, child, type,   in macgpio_alloc_resource()
279 macgpio_activate_resource(device_t bus, device_t child, struct resource *res)  in macgpio_activate_resource()
281 	struct macgpio_softc *sc;  in macgpio_activate_resource()  local
285 	sc = device_get_softc(bus);  in macgpio_activate_resource()
291 	if (dinfo->gpio_num >= 0) {  in macgpio_activate_resource()
292 		val = bus_read_1(sc->sc_gpios,dinfo->gpio_num);  in macgpio_activate_resource()
294 		bus_write_1(sc->sc_gpios,dinfo->gpio_num,val);  in macgpio_activate_resource()
301 macgpio_deactivate_resource(device_t bus, device_t child, struct resource *res)  in macgpio_deactivate_resource()
303 	struct macgpio_softc *sc;  in macgpio_deactivate_resource()  local
307 	sc = device_get_softc(bus);  in macgpio_deactivate_resource()
313 	if (dinfo->gpio_num >= 0) {  in macgpio_deactivate_resource()
314 		val = bus_read_1(sc->sc_gpios,dinfo->gpio_num);  in macgpio_deactivate_resource()
316 		bus_write_1(sc->sc_gpios,dinfo->gpio_num,val);  in macgpio_deactivate_resource()
325 	struct macgpio_softc *sc;  in macgpio_read()  local
328 	sc = device_get_softc(device_get_parent(dev));  in macgpio_read()
331 	if (dinfo->gpio_num < 0)  in macgpio_read()
334 	return (bus_read_1(sc->sc_gpios,dinfo->gpio_num));  in macgpio_read()
340 	struct macgpio_softc *sc;  in macgpio_write()  local
343 	sc = device_get_softc(device_get_parent(dev));  in macgpio_write()
346 	if (dinfo->gpio_num < 0)  in macgpio_write()
349 	bus_write_1(sc->sc_gpios,dinfo->gpio_num,val);  in macgpio_write()
358 	return (&dinfo->mdi_obdinfo);  in macgpio_get_devinfo()
364 	struct macgpio_softc *sc;  in macgpio_suspend()  local
367 	sc = device_get_softc(dev);  in macgpio_suspend()
368 	sc->sc_saved_gpio_levels[0] = bus_read_4(sc->sc_gpios, GPIO_LEVELS_0);  in macgpio_suspend()
369 	sc->sc_saved_gpio_levels[1] = bus_read_4(sc->sc_gpios, GPIO_LEVELS_1);  in macgpio_suspend()
372 		sc->sc_saved_gpios[i] = bus_read_1(sc->sc_gpios, GPIO_BASE + i);  in macgpio_suspend()
374 		sc->sc_saved_extint_gpios[i] = bus_read_1(sc->sc_gpios, GPIO_EXTINT_BASE + i);  in macgpio_suspend()
382 	struct macgpio_softc *sc;  in macgpio_resume()  local
385 	sc = device_get_softc(dev);  in macgpio_resume()
386 	bus_write_4(sc->sc_gpios, GPIO_LEVELS_0, sc->sc_saved_gpio_levels[0]);  in macgpio_resume()
387 	bus_write_4(sc->sc_gpios, GPIO_LEVELS_1, sc->sc_saved_gpio_levels[1]);  in macgpio_resume()
390 		bus_write_1(sc->sc_gpios, GPIO_BASE + i, sc->sc_saved_gpios[i]);  in macgpio_resume()
392 		bus_write_1(sc->sc_gpios, GPIO_EXTINT_BASE + i, sc->sc_saved_extint_gpios[i]);  in macgpio_resume()