Differential D5881 Diff 40633 head/sys/dev/usb/controller/musb_otg.c

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Show First 20 Lines • Show All 3,162 Lines • ▼ Show 20 Lines	musbotg_init(struct musbotg_softc *sc)
/* set default value */		/* set default value */

MUSB2_WRITE_1(sc, MUSB2_REG_MISC, 0);		MUSB2_WRITE_1(sc, MUSB2_REG_MISC, 0);

/* select endpoint index 0 */		/* select endpoint index 0 */

MUSB2_WRITE_1(sc, MUSB2_REG_EPINDEX, 0);		MUSB2_WRITE_1(sc, MUSB2_REG_EPINDEX, 0);

		if (sc->sc_ep_max == 0) {
/* read out number of endpoints */		/* read out number of endpoints */

nrx =		nrx =
(MUSB2_READ_1(sc, MUSB2_REG_EPINFO) / 16);		(MUSB2_READ_1(sc, MUSB2_REG_EPINFO) / 16);

ntx =		ntx =
(MUSB2_READ_1(sc, MUSB2_REG_EPINFO) % 16);		(MUSB2_READ_1(sc, MUSB2_REG_EPINFO) % 16);

		sc->sc_ep_max = (nrx > ntx) ? nrx : ntx;
		} else {
		nrx = ntx = sc->sc_ep_max;
		}

/* these numbers exclude the control endpoint */		/* these numbers exclude the control endpoint */

DPRINTFN(2, "RX/TX endpoints: %u/%u\n", nrx, ntx);		DPRINTFN(2, "RX/TX endpoints: %u/%u\n", nrx, ntx);

sc->sc_ep_max = (nrx > ntx) ? nrx : ntx;
if (sc->sc_ep_max == 0) {		if (sc->sc_ep_max == 0) {
DPRINTFN(2, "ERROR: Looks like the clocks are off!\n");		DPRINTFN(2, "ERROR: Looks like the clocks are off!\n");
}		}
/* read out configuration data */		/* read out configuration data */

sc->sc_conf_data = MUSB2_READ_1(sc, MUSB2_REG_CONFDATA);		sc->sc_conf_data = MUSB2_READ_1(sc, MUSB2_REG_CONFDATA);

DPRINTFN(2, "Config Data: 0x%02x\n",		DPRINTFN(2, "Config Data: 0x%02x\n",
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