1 /*-
54 #define LBGGPIOCM_READ(sc, reg) p2sb_port_read_4(sc->p2sb, sc->port, reg)
55 #define LBGGPIOCM_WRITE(sc, reg, val) \  argument
56 	p2sb_port_write_4(sc->p2sb, sc->port, reg, val)
57 #define LBGGPIOCM_LOCK(sc) p2sb_lock(sc->p2sb)
58 #define LBGGPIOCM_UNLOCK(sc) p2sb_unlock(sc->p2sb)
107 	for (i = 0; i < sc->community->ngroups; ++i)  in lbggpiocm_get_group()
108 		if (sc->community->groups[i].dev == child)  in lbggpiocm_get_group()
109 			return (&sc->community->groups[i]);  in lbggpiocm_get_group()
115 lbggpiocm_getpad(struct lbggpiocm_softc *sc, uint32_t pin)  in lbggpiocm_getpad()  argument
118 	if (pin >= sc->community->npins)  in lbggpiocm_getpad()
121 	return (sc->community->pad_off + 2 * 4 * pin);  in lbggpiocm_getpad()
132 		return (group->npins);  in lbggpiocm_get_group_npins()
133 	return (-1);  in lbggpiocm_get_group_npins()
144 		return (group->grpname);  in lbggpiocm_get_group_name()
149 lbggpiocm_pin2cpin(struct lbggpiocm_softc *sc, device_t child, uint32_t pin)  in lbggpiocm_pin2cpin()  argument
155 		return (pin + group->pins_off);  in lbggpiocm_pin2cpin()
156 	return (-1);  in lbggpiocm_pin2cpin()
160 lbggpiocm_pin_setflags(device_t dev, device_t child, uint32_t pin, uint32_t flags)  in lbggpiocm_pin_setflags()  argument
173 	rpin = lbggpiocm_pin2cpin(sc, child, pin);  in lbggpiocm_pin_setflags()
197 lbggpiocm_pin_get(device_t dev, device_t child, uint32_t pin, uint32_t *value)  in lbggpiocm_pin_get()  argument
200 	uint32_t padreg, val;  in lbggpiocm_pin_get()  local
206 	rpin = lbggpiocm_pin2cpin(sc, child, pin);  in lbggpiocm_pin_get()
213 	val = LBGGPIOCM_READ(sc, padreg);  in lbggpiocm_pin_get()
216 	if (!(val & PADCFG0_GPIOTXDIS))  in lbggpiocm_pin_get()
217 		*value = !!(val & PADCFG0_GPIOTXSTATE);  in lbggpiocm_pin_get()
219 		*value = !!(val & PADCFG0_GPIORXSTATE);  in lbggpiocm_pin_get()
225 lbggpiocm_pin_set(device_t dev, device_t child, uint32_t pin, uint32_t value)  in lbggpiocm_pin_set()  argument
231 	rpin = lbggpiocm_pin2cpin(sc, child, pin);  in lbggpiocm_pin_set()
252 lbggpiocm_pin_toggle(device_t dev, device_t child, uint32_t pin)  in lbggpiocm_pin_toggle()  argument
258 	rpin = lbggpiocm_pin2cpin(sc, child, pin);  in lbggpiocm_pin_toggle()
280 	sc->p2sb = device_get_parent(dev);  in lbggpiocm_probe()
283 	sc->port = p2sb_get_port(sc->p2sb, unit);  in lbggpiocm_probe()
284 	sc->community = &lbg_communities[unit];  in lbggpiocm_probe()
285 	if (sc->port < 0)  in lbggpiocm_probe()
288 	device_set_desc(dev, sc->community->name);  in lbggpiocm_probe()
301 	if (sc->community->npins == 0)  in lbggpiocm_attach()
305 	sc->community->pad_off = LBGGPIOCM_READ(sc, PADBAR);  in lbggpiocm_attach()
308 	npins = sc->community->npins;  in lbggpiocm_attach()
309 	for (i = 0; i < nitems(sc->community->groups) && npins > 0; ++i) {  in lbggpiocm_attach()
310 		group = &sc->community->groups[i];  in lbggpiocm_attach()
312 		group->groupid = i;  in lbggpiocm_attach()
313 		group->grpname = sc->community->grpnames[i];  in lbggpiocm_attach()
314 		group->pins_off = i * MAX_PAD_PER_GROUP;  in lbggpiocm_attach()
315 		group->npins = npins < MAX_PAD_PER_GROUP ? npins :  in lbggpiocm_attach()
317 		npins -= group->npins;  in lbggpiocm_attach()
318 		group->dev = device_add_child(dev, "gpio", -1);  in lbggpiocm_attach()
320 	sc->community->ngroups = i;  in lbggpiocm_attach()