Differential D2002 Diff 4145 head/sys/dev/gpio/gpiobusvar.h

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head/sys/dev/gpio/gpiobusvar.h

Show First 20 Lines • Show All 54 Lines • ▼ Show 20 Lines	#define GPIOBUS_LOCK_INIT(_sc) mtx_init(&_sc->sc_mtx, \
device_get_nameunit(_sc->sc_dev), "gpiobus", MTX_DEF)		device_get_nameunit(_sc->sc_dev), "gpiobus", MTX_DEF)
#define GPIOBUS_LOCK_DESTROY(_sc) mtx_destroy(&_sc->sc_mtx)		#define GPIOBUS_LOCK_DESTROY(_sc) mtx_destroy(&_sc->sc_mtx)
#define GPIOBUS_ASSERT_LOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_OWNED)		#define GPIOBUS_ASSERT_LOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_OWNED)
#define GPIOBUS_ASSERT_UNLOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_NOTOWNED)		#define GPIOBUS_ASSERT_UNLOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_NOTOWNED)

#define GPIOBUS_WAIT 1		#define GPIOBUS_WAIT 1
#define GPIOBUS_DONTWAIT 2		#define GPIOBUS_DONTWAIT 2

		struct gpiobus_pin_data
		{
		int mapped; /* pin is mapped/reserved. */
		char name; / pin name. */
		};

struct gpiobus_softc		struct gpiobus_softc
{		{
struct mtx sc_mtx; /* bus mutex */		struct mtx sc_mtx; /* bus mutex */
struct rman sc_intr_rman; /* isr resources */		struct rman sc_intr_rman; /* isr resources */
device_t sc_busdev; /* bus device */		device_t sc_busdev; /* bus device */
device_t sc_owner; /* bus owner */		device_t sc_owner; /* bus owner */
device_t sc_dev; /* driver device */		device_t sc_dev; /* driver device */
int sc_npins; /* total pins on bus */		int sc_npins; /* total pins on bus */
int sc_pins_mapped; / mark mapped pins */		struct gpiobus_pin_data sc_pins; / pin data */
};		};

struct gpiobus_pin		struct gpiobus_pin
{		{
device_t dev; /* gpio device */		device_t dev; /* gpio device */
uint32_t flags; /* pin flags */		uint32_t flags; /* pin flags */
uint32_t pin; /* pin number */		uint32_t pin; /* pin number */
};		};
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