1 /*-
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
71 #define	GPIO_LOCK(_sc)	sx_slock(&(_sc)->gpio_lock)
72 #define	GPIO_UNLOCK(_sc)	sx_unlock(&(_sc)->gpio_lock)
73 #define	GPIO_ASSERT(_sc)	sx_assert(&(_sc)->gpio_lock, SA_LOCKED)
85 	{"bias-disable",	AS3722_CFG_BIAS_DISABLE},
86 	{"bias-pull-up",	AS3722_CFG_BIAS_PULL_UP},
87 	{"bias-pull-down",	AS3722_CFG_BIAS_PULL_DOWN},
88 	{"bias-high-impedance",	AS3722_CFG_BIAS_HIGH_IMPEDANCE},
89 	{"drive-open-drain",	AS3722_CFG_OPEN_DRAIN},
97 	{"interrupt-out",		AS3722_IOSF_INTERRUPT_OUT},
98 	{"vsup-vbat-low-undebounce-out", AS3722_IOSF_VSUP_VBAT_LOW_UNDEBOUNCE_OUT},
99 	{"gpio-in-interrupt",		AS3722_IOSF_GPIO_IN_INTERRUPT},
100 	{"pwm-in",			AS3722_IOSF_PWM_IN},
101 	{"voltage-in-standby",		AS3722_IOSF_VOLTAGE_IN_STANDBY},
102 	{"oc-pg-sd0",			AS3722_IOSF_OC_PG_SD0},
103 	{"powergood-out",		AS3722_IOSF_POWERGOOD_OUT},
104 	{"clk32k-out",			AS3722_IOSF_CLK32K_OUT},
105 	{"watchdog-in",			AS3722_IOSF_WATCHDOG_IN},
106 	{"soft-reset-in",		AS3722_IOSF_SOFT_RESET_IN},
107 	{"pwm-out",			AS3722_IOSF_PWM_OUT},
108 	{"vsup-vbat-low-debounce-out",	AS3722_IOSF_VSUP_VBAT_LOW_DEBOUNCE_OUT},
109 	{"oc-pg-sd6",			AS3722_IOSF_OC_PG_SD6},
124 /* --------------------------------------------------------------------------
137 	return (-1);  in as3722_pinmux_get_function()
147 	for (pin = 0; pin < sc->gpio_npins; pin++) {  in as3722_pinmux_config_node()
148 		if (strcmp(sc->gpio_pins[pin]->pin_name, pin_name) == 0)  in as3722_pinmux_config_node()
151 	if (pin >= sc->gpio_npins) {  in as3722_pinmux_config_node()
152 		device_printf(sc->dev, "Unknown pin: %s\n", pin_name);  in as3722_pinmux_config_node()
156 	ctrl = sc->gpio_pins[pin]->pin_ctrl_reg;  in as3722_pinmux_config_node()
157 	sc->gpio_pins[pin]->pin_cfg_flags = cfg->flags;  in as3722_pinmux_config_node()
158 	if (cfg->function != NULL) {  in as3722_pinmux_config_node()
159 		fnc = as3722_pinmux_get_function(sc, cfg->function);  in as3722_pinmux_config_node()
160 		if (fnc == -1) {  in as3722_pinmux_config_node()
161 			device_printf(sc->dev,  in as3722_pinmux_config_node()
162 			    "Unknown function %s for pin %s\n", cfg->function,  in as3722_pinmux_config_node()
163 			    sc->gpio_pins[pin]->pin_name);  in as3722_pinmux_config_node()
196 	if (ctrl != sc->gpio_pins[pin]->pin_ctrl_reg) {  in as3722_pinmux_config_node()
198 		sc->gpio_pins[pin]->pin_ctrl_reg = ctrl;  in as3722_pinmux_config_node()
214 	rv = OF_getprop_alloc(node, "function", (void **)&cfg->function);  in as3722_pinmux_read_node()
216 		cfg->function = NULL;  in as3722_pinmux_read_node()
221 			cfg->flags |= as3722_cfg_names[i].config;  in as3722_pinmux_read_node()
243 			device_printf(sc->dev,  in as3722_pinmux_process_node()
277 /* --------------------------------------------------------------------------
287 	return (sc->gpio_busdev);  in as3722_gpio_get_bus()
294 	*maxpin = NGPIO - 1;  in as3722_gpio_pin_max()
304 	if (pin >= sc->gpio_npins)  in as3722_gpio_pin_getcaps()
307 	*caps = sc->gpio_pins[pin]->pin_caps;  in as3722_gpio_pin_getcaps()
318 	if (pin >= sc->gpio_npins)  in as3722_gpio_pin_getname()
321 	memcpy(name, sc->gpio_pins[pin]->pin_name, GPIOMAXNAME);  in as3722_gpio_pin_getname()
332 	bool inverted;  in as3722_gpio_pin_getflags()  local
335 	if (pin >= sc->gpio_npins)  in as3722_gpio_pin_getflags()
339 	tmp = sc->gpio_pins[pin]->pin_ctrl_reg;  in as3722_gpio_pin_getflags()
343 	inverted = (tmp & AS3722_GPIO_INVERT) != 0;  in as3722_gpio_pin_getflags()
372 	if (inverted)  in as3722_gpio_pin_getflags()
383 	flags =  sc->gpio_pins[pin]->pin_cfg_flags;  in as3722_gpio_get_mode()
428 	if (pin >= sc->gpio_npins)  in as3722_gpio_pin_setflags()
432 	ctrl = sc->gpio_pins[pin]->pin_ctrl_reg;  in as3722_gpio_pin_setflags()
443 	if (ctrl != sc->gpio_pins[pin]->pin_ctrl_reg) {  in as3722_gpio_pin_setflags()
445 		sc->gpio_pins[pin]->pin_ctrl_reg = ctrl;  in as3722_gpio_pin_setflags()
459 	if (pin >= sc->gpio_npins)  in as3722_gpio_pin_set()
463 	if (sc->gpio_pins[pin]->pin_ctrl_reg & AS3722_GPIO_INVERT)  in as3722_gpio_pin_set()
480 	if (pin >= sc->gpio_npins)  in as3722_gpio_pin_get()
484 	ctrl = sc->gpio_pins[pin]->pin_ctrl_reg;  in as3722_gpio_pin_get()
509 	if (pin >= sc->gpio_npins)  in as3722_gpio_pin_toggle()
542 	sx_init(&sc->gpio_lock, "AS3722 GPIO lock");  in as3722_gpio_attach()
543 	sc->gpio_npins = NGPIO;  in as3722_gpio_attach()
544 	sc->gpio_pins = malloc(sizeof(struct as3722_gpio_pin *) *  in as3722_gpio_attach()
545 	    sc->gpio_npins, M_AS3722_GPIO, M_WAITOK | M_ZERO);  in as3722_gpio_attach()
547 	sc->gpio_busdev = gpiobus_attach_bus(sc->dev);  in as3722_gpio_attach()
548 	if (sc->gpio_busdev == NULL)  in as3722_gpio_attach()
550 	for (i = 0; i < sc->gpio_npins; i++) {  in as3722_gpio_attach()
551 		sc->gpio_pins[i] = malloc(sizeof(struct as3722_gpio_pin),  in as3722_gpio_attach()
553 		pin = sc->gpio_pins[i];  in as3722_gpio_attach()
554 		sprintf(pin->pin_name, "gpio%d", i);  in as3722_gpio_attach()
555 		pin->pin_caps = GPIO_PIN_INPUT | GPIO_PIN_OUTPUT  |  in as3722_gpio_attach()
559 		rv = RD1(sc, AS3722_GPIO0_CONTROL + i, &pin->pin_ctrl_reg);  in as3722_gpio_attach()
561 			device_printf(sc->dev,  in as3722_gpio_attach()
563 			    sc->gpio_pins[i]->pin_name);  in as3722_gpio_attach()