Differential D15229 Diff 42777 sys/powerpc/powermac/smu.c

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sys/powerpc/powermac/smu.c

	Show All 12 Lines
	int16_t sc_slots_pow_offset;	int16_t sc_slots_pow_offset;

	struct cdev *sc_leddev;	struct cdev *sc_leddev;
	};	};

	/* regular bus attachment functions */	/* regular bus attachment functions */

	static int smu_probe(device_t);	static int smu_probe(device_t);
		static bool smu_delay_attach(device_t);
	static int smu_attach(device_t);	static int smu_attach(device_t);
	static const struct ofw_bus_devinfo *	static const struct ofw_bus_devinfo *
	smu_get_devinfo(device_t bus, device_t dev);	smu_get_devinfo(device_t bus, device_t dev);

	/* cpufreq notification hooks */	/* cpufreq notification hooks */

	static void smu_cpufreq_pre_change(device_t, const struct cf_level *level);	static void smu_cpufreq_pre_change(device_t, const struct cf_level *level);
	static void smu_cpufreq_post_change(device_t, const struct cf_level *level);	static void smu_cpufreq_post_change(device_t, const struct cf_level *level);
	Show All 16 Lines

	/* where to find the doorbell GPIO */	/* where to find the doorbell GPIO */

	static device_t smu_doorbell = NULL;	static device_t smu_doorbell = NULL;

	static device_method_t smu_methods[] = {	static device_method_t smu_methods[] = {
	/* Device interface */	/* Device interface */
	DEVMETHOD(device_probe, smu_probe),	DEVMETHOD(device_probe, smu_probe),
		DEVMETHOD(device_delay_attach, smu_delay_attach),
	DEVMETHOD(device_attach, smu_attach),	DEVMETHOD(device_attach, smu_attach),

	/* Clock interface */	/* Clock interface */
	DEVMETHOD(clock_gettime, smu_gettime),	DEVMETHOD(clock_gettime, smu_gettime),
	DEVMETHOD(clock_settime, smu_settime),	DEVMETHOD(clock_settime, smu_settime),

	/* ofw_bus interface */	/* ofw_bus interface */
	DEVMETHOD(bus_child_pnpinfo_str,ofw_bus_gen_child_pnpinfo_str),	DEVMETHOD(bus_child_pnpinfo_str,ofw_bus_gen_child_pnpinfo_str),
	Show All 24 Lines
	static void	static void
	smu_phys_callback(void xsc, bus_dma_segment_t segs, int nsegs, int error)	smu_phys_callback(void xsc, bus_dma_segment_t segs, int nsegs, int error)
	{	{
	struct smu_softc *sc = xsc;	struct smu_softc *sc = xsc;

	sc->sc_cmd_phys = segs[0].ds_addr;	sc->sc_cmd_phys = segs[0].ds_addr;
	}	}

		static bool
		smu_delay_attach(device_t dev)
		{

		/* Delay attachment until our GPIO has attached */
		return (smu_doorbell == NULL);
		}

	static int	static int
	smu_attach(device_t dev)	smu_attach(device_t dev)
	{	{
	struct smu_softc *sc;	struct smu_softc *sc;
	phandle_t node, child;	phandle_t node, child;
	uint8_t data[12];	uint8_t data[12];

		impUnsubmitted Not Done Inline Actions This would transition into if (smu_doorbell == NULL) return EAGAIN; imp: This would transition into if (smu_doorbell == NULL) return EAGAIN;
	sc = device_get_softc(dev);	sc = device_get_softc(dev);

	mtx_init(&sc->sc_mtx, "smu", NULL, MTX_DEF);	mtx_init(&sc->sc_mtx, "smu", NULL, MTX_DEF);
	sc->sc_cur_cmd = NULL;	sc->sc_cur_cmd = NULL;
	sc->sc_doorbellirqid = -1;	sc->sc_doorbellirqid = -1;

	sc->sc_u3 = 0;	sc->sc_u3 = 0;
	if (OF_finddevice("/u3") != -1)	if (OF_finddevice("/u3") != -1)
	sc->sc_u3 = 1;	sc->sc_u3 = 1;

	/*	/*
	* Map the mailbox area. This should be determined from firmware,	* Map the mailbox area. This should be determined from firmware,
	* but I have not found a simple way to do that.	* but I have not found a simple way to do that.
Context not available.