C++ (Cpp) nm_ackintの例

コード例 #1

ファイル: neomagic.c プロジェクト: UnitedMarsupials/kame

/* The interrupt handler */
static void
nm_intr(void *p)
{
	struct sc_info *sc = (struct sc_info *)p;
	int status, x, active;

	active = (sc->pch.channel->buffer.dl || sc->rch.channel->buffer.dl);
	status = nm_rd(sc, NM_INT_REG, sc->irsz);
	if (status == 0 && active) {
		if (sc->badintr++ > 1000) {
			device_printf(sc->dev, "1000 bad intrs\n");
			sc->badintr = 0;
		}
		return;
	}
	sc->badintr = 0;

	if (status & sc->playint) {
		status &= ~sc->playint;
		nm_ackint(sc, sc->playint);
		chn_intr(sc->pch.channel);
	}
	if (status & sc->recint) {
		status &= ~sc->recint;
		nm_ackint(sc, sc->recint);
		chn_intr(sc->rch.channel);
	}
	if (status & sc->misc1int) {
		status &= ~sc->misc1int;
		nm_ackint(sc, sc->misc1int);
		x = nm_rd(sc, 0x400, 1);
		nm_wr(sc, 0x400, x | 2, 1);
	 	device_printf(sc->dev, "misc int 1\n");
	}
	if (status & sc->misc2int) {
		status &= ~sc->misc2int;
		nm_ackint(sc, sc->misc2int);
		x = nm_rd(sc, 0x400, 1);
		nm_wr(sc, 0x400, x & ~2, 1);
	 	device_printf(sc->dev, "misc int 2\n");
	}
	if (status) {
		status &= ~sc->misc2int;
		nm_ackint(sc, sc->misc2int);
	 	device_printf(sc->dev, "unknown int\n");
	}
}

コード例 #2

ファイル: neomagic.c プロジェクト: JabirTech/Source

/* The interrupt handler */
static void
nm_intr(void *p)
{
	struct sc_info *sc = (struct sc_info *)p;
	int status, x;

	status = nm_rd(sc, NM_INT_REG, sc->irsz);
	if (status == 0)
		return;

	if (status & sc->playint) {
		status &= ~sc->playint;
		sc->pch.wmark += sc->pch.blksize;
		sc->pch.wmark %= NM_BUFFSIZE;
		nm_wr(sc, NM_PBUFFER_WMARK, sc->pbuf + sc->pch.wmark, 4);

		nm_ackint(sc, sc->playint);
		chn_intr(sc->pch.channel);
	}
	if (status & sc->recint) {
		status &= ~sc->recint;
		sc->rch.wmark += sc->rch.blksize;
		sc->rch.wmark %= NM_BUFFSIZE;
		nm_wr(sc, NM_RBUFFER_WMARK, sc->rbuf + sc->rch.wmark, 4);

		nm_ackint(sc, sc->recint);
		chn_intr(sc->rch.channel);
	}
	if (status & sc->misc1int) {
		status &= ~sc->misc1int;
		nm_ackint(sc, sc->misc1int);
		x = nm_rd(sc, 0x400, 1);
		nm_wr(sc, 0x400, x | 2, 1);
	 	device_printf(sc->dev, "misc int 1\n");
	}
	if (status & sc->misc2int) {
		status &= ~sc->misc2int;
		nm_ackint(sc, sc->misc2int);
		x = nm_rd(sc, 0x400, 1);
		nm_wr(sc, 0x400, x & ~2, 1);
	 	device_printf(sc->dev, "misc int 2\n");
	}
	if (status) {
		nm_ackint(sc, status);
	 	device_printf(sc->dev, "unknown int\n");
	}
}

コード例 #3

ファイル: neo.c プロジェクト: bluhm/sys

/* The interrupt handler */
int
neo_intr(void *p)
{
	struct neo_softc *sc = (struct neo_softc *)p;
	int status, x;
	int rv = 0;

	mtx_enter(&audio_lock);
	status = nm_rd(sc, NM_INT_REG, sc->irsz);

	if (status & sc->playint) {
		status &= ~sc->playint;

		sc->pwmark += sc->pblksize;
		sc->pwmark %= sc->pbufsize;

		nm_wr(sc, NM_PBUFFER_WMARK, sc->pbuf + sc->pwmark, 4);

		nm_ackint(sc, sc->playint);

		if (sc->pintr)
			(*sc->pintr)(sc->parg);

		rv = 1;
	}
	if (status & sc->recint) {
		status &= ~sc->recint;

		sc->rwmark += sc->rblksize;
		sc->rwmark %= sc->rbufsize;

		nm_ackint(sc, sc->recint);
		if (sc->rintr)
			(*sc->rintr)(sc->rarg);

		rv = 1;
	}
	if (status & sc->misc1int) {
		status &= ~sc->misc1int;
		nm_ackint(sc, sc->misc1int);
		x = nm_rd(sc, 0x400, 1);
		nm_wr(sc, 0x400, x | 2, 1);
		printf("%s: misc int 1\n", sc->dev.dv_xname);
		rv = 1;
	}
	if (status & sc->misc2int) {
		status &= ~sc->misc2int;
		nm_ackint(sc, sc->misc2int);
		x = nm_rd(sc, 0x400, 1);
		nm_wr(sc, 0x400, x & ~2, 1);
		printf("%s: misc int 2\n", sc->dev.dv_xname);
		rv = 1;
	}
	if (status) {
		status &= ~sc->misc2int;
		nm_ackint(sc, sc->misc2int);
		printf("%s: unknown int\n", sc->dev.dv_xname);
		rv = 1;
	}
	mtx_leave(&audio_lock);
	return (rv);
}