diff options
Diffstat (limited to 'freebsd/sys/dev/gpio/gpiobusvar.h')
| -rw-r--r-- | freebsd/sys/dev/gpio/gpiobusvar.h | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/freebsd/sys/dev/gpio/gpiobusvar.h b/freebsd/sys/dev/gpio/gpiobusvar.h index 3ba8993e..ff49784a 100644 --- a/freebsd/sys/dev/gpio/gpiobusvar.h +++ b/freebsd/sys/dev/gpio/gpiobusvar.h @@ -141,7 +141,7 @@ int ofw_gpiobus_parse_gpios(device_t, char *, struct gpiobus_pin **); void ofw_gpiobus_register_provider(device_t); void ofw_gpiobus_unregister_provider(device_t); -/* Consumers interface. */ +/* Acquire a pin by parsing FDT data. */ int gpio_pin_get_by_ofw_name(device_t consumer, phandle_t node, char *name, gpio_pin_t *gpio); int gpio_pin_get_by_ofw_idx(device_t consumer, phandle_t node, @@ -150,14 +150,29 @@ int gpio_pin_get_by_ofw_property(device_t consumer, phandle_t node, char *name, gpio_pin_t *gpio); int gpio_pin_get_by_ofw_propidx(device_t consumer, phandle_t node, char *name, int idx, gpio_pin_t *gpio); +#endif /* FDT */ + +/* Acquire a pin by bus and pin number. */ +int gpio_pin_get_by_bus_pinnum(device_t _bus, uint32_t _pinnum, gpio_pin_t *_gp); + +/* Acquire a pin by child and index (used by direct children of gpiobus). */ +int gpio_pin_get_by_child_index(device_t _child, uint32_t _idx, gpio_pin_t *_gp); + +/* Release a pin acquired via any gpio_pin_get_xxx() function. */ void gpio_pin_release(gpio_pin_t gpio); + +/* Work with gpio pins acquired using the functions above. */ int gpio_pin_getcaps(gpio_pin_t pin, uint32_t *caps); int gpio_pin_is_active(gpio_pin_t pin, bool *active); int gpio_pin_set_active(gpio_pin_t pin, bool active); int gpio_pin_setflags(gpio_pin_t pin, uint32_t flags); -#endif struct resource *gpio_alloc_intr_resource(device_t consumer_dev, int *rid, u_int alloc_flags, gpio_pin_t pin, uint32_t intr_mode); + +/* + * Functions shared between gpiobus and other bus classes that derive from it; + * these should not be called directly by other drivers. + */ int gpio_check_flags(uint32_t, uint32_t); device_t gpiobus_attach_bus(device_t); int gpiobus_detach_bus(device_t); |