241 	struct	fdc_data *fdc;	/* pointer to controller structure */  member
272 static SYSCTL_NODE(_debug, OID_AUTO, fdc, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
321 fdregwr(struct fdc_data *fdc, int reg, uint8_t v)  in fdregwr()  argument
324 	bus_space_write_1(fdc->iot, fdc->ioh[reg], fdc->ioff[reg], v);  in fdregwr()
328 fdregrd(struct fdc_data *fdc, int reg)  in fdregrd()  argument
331 	return bus_space_read_1(fdc->iot, fdc->ioh[reg], fdc->ioff[reg]);  in fdregrd()
335 fdctl_wr(struct fdc_data *fdc, u_int8_t v)  in fdctl_wr()  argument
338 	fdregwr(fdc, FDCTL, v);  in fdctl_wr()
342 fdout_wr(struct fdc_data *fdc, u_int8_t v)  in fdout_wr()  argument
345 	fdregwr(fdc, FDOUT, v);  in fdout_wr()
349 fdsts_rd(struct fdc_data *fdc)  in fdsts_rd()  argument
352 	return fdregrd(fdc, FDSTS);  in fdsts_rd()
356 fddsr_wr(struct fdc_data *fdc, u_int8_t v)  in fddsr_wr()  argument
359 	fdregwr(fdc, FDDSR, v);  in fddsr_wr()
363 fddata_wr(struct fdc_data *fdc, u_int8_t v)  in fddata_wr()  argument
366 	fdregwr(fdc, FDDATA, v);  in fddata_wr()
370 fddata_rd(struct fdc_data *fdc)  in fddata_rd()  argument
373 	return fdregrd(fdc, FDDATA);  in fddata_rd()
377 fdin_rd(struct fdc_data *fdc)  in fdin_rd()  argument
380 	return fdregrd(fdc, FDCTL);  in fdin_rd()
388 fdbcdr_wr(struct fdc_data *fdc, int iswrite, uint16_t count)  in fdbcdr_wr()  argument
390 	fdregwr(fdc, FDBCDR, (count - 1) & 0xff);  in fdbcdr_wr()
391 	fdregwr(fdc, FDBCDR + 1,  in fdbcdr_wr()
396 fdc_err(struct fdc_data *fdc, const char *s)  in fdc_err()  argument
398 	fdc->fdc_errs++;  in fdc_err()
400 		if (fdc->fdc_errs < FDC_ERRMAX)  in fdc_err()
401 			device_printf(fdc->fdc_dev, "%s", s);  in fdc_err()
402 		else if (fdc->fdc_errs == FDC_ERRMAX)  in fdc_err()
403 			device_printf(fdc->fdc_dev, "too many errors, not "  in fdc_err()
419 fdc_in(struct fdc_data *fdc, int *ptr)  in fdc_in()  argument
425 	        i = fdsts_rd(fdc) & (NE7_DIO | NE7_RQM);  in fdc_in()
427 			i = fddata_rd(fdc);  in fdc_in()
433 			return (fdc_err(fdc, "ready for output in input\n"));  in fdc_in()
437 	return (fdc_err(fdc, bootverbose? "input ready timeout\n": 0));  in fdc_in()
441 fdc_out(struct fdc_data *fdc, int x)  in fdc_out()  argument
447 	        i = fdsts_rd(fdc) & (NE7_DIO | NE7_RQM);  in fdc_out()
449 			fddata_wr(fdc, x);  in fdc_out()
453 			return (fdc_err(fdc, "ready for input in output\n"));  in fdc_out()
457 	return (fdc_err(fdc, bootverbose? "output ready timeout\n": 0));  in fdc_out()
469 fdc_cmd(struct fdc_data *fdc, int n_out, ...)  in fdc_cmd()  argument
481 		if (fdc_out(fdc, i) < 0) {  in fdc_cmd()
486 			fdc->flags |= FDC_NEEDS_RESET;  in fdc_cmd()
488 			return fdc_err(fdc, msg);  in fdc_cmd()
494 		if (fdc_in(fdc, ptr) != 0) {  in fdc_cmd()
499 			fdc->flags |= FDC_NEEDS_RESET;  in fdc_cmd()
501 			return fdc_err(fdc, msg);  in fdc_cmd()
509 fdc_reset(struct fdc_data *fdc)  in fdc_reset()  argument
513 	if (fdc->fdct == FDC_ENHANCED) {  in fdc_reset()
515 		fddsr_wr(fdc, I8207X_DSR_SR);  in fdc_reset()
518 		fdout_wr(fdc, fdc->fdout & ~(FDO_FRST|FDO_FDMAEN));  in fdc_reset()
521 		fdout_wr(fdc, fdc->fdout & ~FDO_FDMAEN);  in fdc_reset()
524 	fdout_wr(fdc, fdc->fdout);  in fdc_reset()
527 	if (fdc_cmd(fdc, 3, NE7CMD_SPECIFY, spec1, spec2, 0))  in fdc_reset()
528 		device_printf(fdc->fdc_dev, " SPECIFY failed in reset\n");  in fdc_reset()
530 	if (fdc->fdct == FDC_ENHANCED) {  in fdc_reset()
531 		if (fdc_cmd(fdc, 4,  in fdc_reset()
540 			device_printf(fdc->fdc_dev,  in fdc_reset()
543 			if (fdc_cmd(fdc, 1,  in fdc_reset()
547 				device_printf(fdc->fdc_dev,  in fdc_reset()
557 fdc_sense_drive(struct fdc_data *fdc, int *st3p)  in fdc_sense_drive()  argument
561 	if (fdc_cmd(fdc, 2, NE7CMD_SENSED, fdc->fd->fdsu, 1, &st3))  in fdc_sense_drive()
562 		return (fdc_err(fdc, "Sense Drive Status failed\n"));  in fdc_sense_drive()
569 fdc_sense_int(struct fdc_data *fdc, int *st0p, int *cylp)  in fdc_sense_int()  argument
573 	ret = fdc_cmd(fdc, 1, NE7CMD_SENSEI, 1, &st0);  in fdc_sense_int()
575 		(void)fdc_err(fdc, "sense intr err reading stat reg 0\n");  in fdc_sense_int()
589 	if (fdc_in(fdc, &cyl) != 0)  in fdc_sense_int()
590 		return fdc_err(fdc, "can't get cyl num\n");  in fdc_sense_int()
599 fdc_read_status(struct fdc_data *fdc)  in fdc_read_status()  argument
604 		ret = fdc_in(fdc, &status);  in fdc_read_status()
605 		fdc->status[i] = status;  in fdc_read_status()
611 		fdc->flags |= FDC_STAT_VALID;  in fdc_read_status()
613 		fdc->flags &= ~FDC_STAT_VALID;  in fdc_read_status()
624 	struct fdc_data *fdc;  in fd_select()  local
627 	fdc = fd->fdc;  in fd_select()
628 	fdc->fdout &= ~FDO_FDSEL;  in fd_select()
629 	fdc->fdout |= FDO_FDMAEN | FDO_FRST | fd->fdsu;  in fd_select()
630 	fdout_wr(fdc, fdc->fdout);  in fd_select()
641 	mtx_assert(&fd->fdc->fdc_mtx, MA_OWNED);  in fd_turnon()
649 		bioq_disksort(&fd->fdc->head, bp);  in fd_turnon()
653 		wakeup(&fd->fdc->head);  in fd_turnon()
659 	struct fdc_data *fdc;  in fd_motor()  local
661 	fdc = fd->fdc;  in fd_motor()
667 		fdc->fdout |= (FDO_MOEN0 << fd->fdsu);  in fd_motor()
672 		fdc->fdout &= ~(FDO_MOEN0 << fd->fdsu);  in fd_motor()
674 	fdout_wr(fdc, fdc->fdout);  in fd_motor()
682 	mtx_assert(&fd->fdc->fdc_mtx, MA_OWNED);  in fd_turnoff()
709 fdc_pio(struct fdc_data *fdc)  in fdc_pio()  argument
715 	bp = fdc->bp;  in fdc_pio()
716 	cptr = fdc->fd->fd_ioptr;  in fdc_pio()
717 	count = fdc->fd->fd_iosize;  in fdc_pio()
720 		fdbcdr_wr(fdc, 0, count);  in fdc_pio()
721 		bus_space_read_multi_1(fdc->iot, fdc->ioh[FD_YE_DATAPORT],  in fdc_pio()
722 		    fdc->ioff[FD_YE_DATAPORT], cptr, count);  in fdc_pio()
724 		bus_space_write_multi_1(fdc->iot, fdc->ioh[FD_YE_DATAPORT],  in fdc_pio()
725 		    fdc->ioff[FD_YE_DATAPORT], cptr, count);  in fdc_pio()
726 		fdbcdr_wr(fdc, 0, count);	/* needed? */  in fdc_pio()
731 fdc_biodone(struct fdc_data *fdc, int error)  in fdc_biodone()  argument
736 	fd = fdc->fd;  in fdc_biodone()
737 	bp = fdc->bp;  in fdc_biodone()
739 	mtx_lock(&fdc->fdc_mtx);  in fdc_biodone()
742 	fdc->bp = NULL;  in fdc_biodone()
743 	fdc->fd = NULL;  in fdc_biodone()
744 	mtx_unlock(&fdc->fdc_mtx);  in fdc_biodone()
746 		if ((debugflags & 2) && fd->fdc->retry > 0)  in fdc_biodone()
747 			printf("retries: %d\n", fd->fdc->retry);  in fdc_biodone()
760 fdc_worker(struct fdc_data *fdc)  in fdc_worker()  argument
775 	bp = fdc->bp;  in fdc_worker()
776 	fd = fdc->fd;  in fdc_worker()
778 		(fdc->retry >= retries || (fd->options & FDOPT_NORETRY))) {  in fdc_worker()
781 		if (fdc->flags & FDC_NEEDS_RESET) {  in fdc_worker()
782 			mtx_lock(&fdc->fdc_mtx);  in fdc_worker()
784 			mtx_unlock(&fdc->fdc_mtx);  in fdc_worker()
786 		return (fdc_biodone(fdc, EIO));  in fdc_worker()
793 		    fd->fd_ioptr, fd->fd_iosize, fdc->dmachan);  in fdc_worker()
794 		mtx_lock(&fdc->fdc_mtx);  in fdc_worker()
796 		mtx_unlock(&fdc->fdc_mtx);  in fdc_worker()
800 	if (fdc->flags & FDC_NEEDS_RESET) {  in fdc_worker()
801 		fdc->flags &= ~FDC_NEEDS_RESET;  in fdc_worker()
802 		fdc_reset(fdc);  in fdc_worker()
806 			tsleep(fdc, PRIBIO, "fdcrst", hz);  in fdc_worker()
809 			fdc_sense_int(fdc, &st0, &cyl);  in fdc_worker()
815 	if (fdc->bp == NULL) {  in fdc_worker()
816 		mtx_lock(&fdc->fdc_mtx);  in fdc_worker()
818 			fdc->bp = bioq_takefirst(&fdc->head);  in fdc_worker()
819 			if (fdc->bp == NULL)  in fdc_worker()
820 				msleep(&fdc->head, &fdc->fdc_mtx,  in fdc_worker()
822 		} while (fdc->bp == NULL &&  in fdc_worker()
823 		    (fdc->flags & FDC_KTHREAD_EXIT) == 0);  in fdc_worker()
824 		mtx_unlock(&fdc->fdc_mtx);  in fdc_worker()
826 		if (fdc->bp == NULL)  in fdc_worker()
833 		bp = fdc->bp;  in fdc_worker()
834 		fd = fdc->fd = bp->bio_driver1;  in fdc_worker()
835 		fdc->retry = 0;  in fdc_worker()
846 	if (fdc->fdct == FDC_ENHANCED)  in fdc_worker()
847 		fddsr_wr(fdc, fd->ft->trans);  in fdc_worker()
849 		fdctl_wr(fdc, fd->ft->trans);  in fdc_worker()
853 		    !(fdin_rd(fdc) & FDI_DCHG) &&  in fdc_worker()
856 			return (fdc_biodone(fdc, 0));  in fdc_worker()
864 		return (fdc_biodone(fdc, ENXIO));  in fdc_worker()
867 	if (fdin_rd(fdc) & FDI_DCHG) {  in fdc_worker()
870 		mtx_lock(&fdc->fdc_mtx);  in fdc_worker()
873 		mtx_unlock(&fdc->fdc_mtx);  in fdc_worker()
881 		return (fdc_biodone(fdc, ENXIO));  in fdc_worker()
887 		if(fdc_sense_drive(fdc, &st3) != 0)  in fdc_worker()
890 			return (fdc_biodone(fdc, EROFS));  in fdc_worker()
904 	if (fdc->retry == 0 &&  in fdc_worker()
916 	    fdc->retry > 2) {  in fdc_worker()
918 		if (fdc_cmd(fdc, 2, NE7CMD_RECAL, fd->fdsu, 0))  in fdc_worker()
920 		tsleep(fdc, PRIBIO, "fdrecal", hz);  in fdc_worker()
922 		if (fdc_sense_int(fdc, &st0, &cyl) == FD_NOT_VALID)  in fdc_worker()
931 			tsleep(fdc->fd, PRIBIO, "fdhdstl", settle);  in fdc_worker()
939 		if (fdc_cmd(fdc, 3, NE7CMD_SEEK, fd->fdsu, descyl, 0))  in fdc_worker()
941 		tsleep(fdc, PRIBIO, "fdseek", hz);  in fdc_worker()
943 		if (fdc_sense_int(fdc, &st0, &cyl) == FD_NOT_VALID)  in fdc_worker()
952 			tsleep(fdc->fd, PRIBIO, "fdhdstl", settle);  in fdc_worker()
959 		    fd->fd_ioptr, fdc->retry);  in fdc_worker()
965 	     && !(fdc->flags & FDC_NODMA)) {  in fdc_worker()
968 		    fd->fd_ioptr, fd->fd_iosize, fdc->dmachan);  in fdc_worker()
969 		mtx_lock(&fdc->fdc_mtx);  in fdc_worker()
971 		mtx_unlock(&fdc->fdc_mtx);  in fdc_worker()
975 	if (fdc->flags & FDC_NODMA) {  in fdc_worker()
979 			fdbcdr_wr(fdc, 1, fd->fd_iosize);  in fdc_worker()
982 			fdc_pio(fdc);  in fdc_worker()
990 		if (fdc_cmd(fdc, 6,  in fdc_worker()
1001 		if (fdc_cmd(fdc, 2,  in fdc_worker()
1008 		if (fdc_cmd(fdc, 9,  in fdc_worker()
1023 		if (fdc_cmd(fdc, 9,  in fdc_worker()
1041 	i = tsleep(fdc, PRIBIO, "fddata", hz);  in fdc_worker()
1044 	if (i == 0 && (fdc->flags & FDC_NODMA) && (bp->bio_cmd == BIO_READ))  in fdc_worker()
1045 		fdc_pio(fdc);  in fdc_worker()
1051 		    fd->fd_ioptr, fd->fd_iosize, fdc->dmachan);  in fdc_worker()
1052 		mtx_lock(&fdc->fdc_mtx);  in fdc_worker()
1054 		mtx_unlock(&fdc->fdc_mtx);  in fdc_worker()
1068 		fdc->flags |= FDC_NEEDS_RESET;  in fdc_worker()
1073 	if (fdc_read_status(fdc))  in fdc_worker()
1078 		    fdc->status[0], fdc->status[1],  in fdc_worker()
1079 		    fdc->status[2], fdc->status[3]);  in fdc_worker()
1081 	st0 = fdc->status[0] & NE7_ST0_IC;  in fdc_worker()
1084 		if (st0 == NE7_ST0_IC_AT && fdc->status[1] & NE7_ST1_OR) {  in fdc_worker()
1094 			fdc->flags |= FDC_NEEDS_RESET;  in fdc_worker()
1098 		if(st0 == NE7_ST0_IC_AT && fdc->status[2] & NE7_ST2_WC) {  in fdc_worker()
1104 			    fdc->status[0], fdc->status[1], fdc->status[2],  in fdc_worker()
1105 			    fdc->status[3], fdc->status[4], fdc->status[5]);  in fdc_worker()
1118 		idp->cyl = fdc->status[3];  in fdc_worker()
1119 		idp->head = fdc->status[4];  in fdc_worker()
1120 		idp->sec = fdc->status[5];  in fdc_worker()
1121 		idp->secshift = fdc->status[6];  in fdc_worker()
1138 			fdc->retry = 0;  in fdc_worker()
1146 	return (fdc_biodone(fdc, 0));  in fdc_worker()
1152 	struct fdc_data *fdc;  in fdc_thread()  local
1154 	fdc = arg;  in fdc_thread()
1157 	mtx_lock(&fdc->fdc_mtx);  in fdc_thread()
1158 	fdc->flags |= FDC_KTHREAD_ALIVE;  in fdc_thread()
1159 	while ((fdc->flags & FDC_KTHREAD_EXIT) == 0) {  in fdc_thread()
1160 		mtx_unlock(&fdc->fdc_mtx);  in fdc_thread()
1161 		i = fdc_worker(fdc);  in fdc_thread()
1163 			if (fdc->bp != NULL)  in fdc_thread()
1164 				g_print_bio("", fdc->bp, "");  in fdc_thread()
1167 		fdc->retry += i;  in fdc_thread()
1168 		mtx_lock(&fdc->fdc_mtx);  in fdc_thread()
1170 	fdc->flags &= ~(FDC_KTHREAD_EXIT | FDC_KTHREAD_ALIVE);  in fdc_thread()
1171 	mtx_unlock(&fdc->fdc_mtx);  in fdc_thread()
1182 	struct fdc_data *fdc;  in fd_enqueue()  local
1184 	fdc = fd->fdc;  in fd_enqueue()
1185 	mtx_lock(&fdc->fdc_mtx);  in fd_enqueue()
1191 		bioq_disksort(&fdc->head, bp);  in fd_enqueue()
1192 		wakeup(&fdc->head);  in fd_enqueue()
1199 	mtx_unlock(&fdc->fdc_mtx);  in fd_enqueue()
1208 	struct fdc_data *fdc;  in fd_probe_disk()  local
1212 	fdc = fd->fdc;  in fd_probe_disk()
1223 	mtx_lock(&fdc->fdc_mtx);  in fd_probe_disk()
1225 	mtx_unlock(&fdc->fdc_mtx);  in fd_probe_disk()
1226 	if (fdc_cmd(fdc, 2, NE7CMD_RECAL, fd->fdsu, 0))  in fd_probe_disk()
1228 	tsleep(fdc, PRIBIO, "fdrecal", hz);  in fd_probe_disk()
1229 	if (fdc_sense_int(fdc, &st0, &cyl) == FD_NOT_VALID)  in fd_probe_disk()
1235 	if (fdc_cmd(fdc, 3, NE7CMD_SEEK, fd->fdsu, 1, 0))  in fd_probe_disk()
1237 	tsleep(fdc, PRIBIO, "fdseek", hz);  in fd_probe_disk()
1238 	if (fdc_sense_int(fdc, &st0, &cyl) == FD_NOT_VALID)  in fd_probe_disk()
1241 	if (fdin_rd(fdc) & FDI_DCHG) {  in fd_probe_disk()
1244 		mtx_lock(&fdc->fdc_mtx);  in fd_probe_disk()
1246 		mtx_unlock(&fdc->fdc_mtx);  in fd_probe_disk()
1248 		if (fdc_sense_drive(fdc, &st3) != 0)  in fd_probe_disk()
1252 		mtx_lock(&fdc->fdc_mtx);  in fd_probe_disk()
1258 		mtx_unlock(&fdc->fdc_mtx);  in fd_probe_disk()
1413 	struct fdc_data *fdc;  in fd_access()  local
1417 	fdc = fd->fdc;  in fd_access()
1443 				mtx_lock(&fdc->fdc_mtx);  in fd_access()
1445 				mtx_unlock(&fdc->fdc_mtx);  in fd_access()
1448 			mtx_lock(&fdc->fdc_mtx);  in fd_access()
1450 			mtx_unlock(&fdc->fdc_mtx);  in fd_access()
1533 		fd->fdc->fdc_errs = 0;  in fd_ioctl()
1538 		if ((fd->fdc->flags & FDC_STAT_VALID) == 0)  in fd_ioctl()
1540 		memcpy(fsp->status, fd->fdc->status, 7 * sizeof(u_int));  in fd_ioctl()
1554 		mtx_lock(&fd->fdc->fdc_mtx);  in fd_ioctl()
1556 		mtx_unlock(&fd->fdc->fdc_mtx);  in fd_ioctl()
1590 fdc_release_resources(struct fdc_data *fdc)  in fdc_release_resources()  argument
1596 	dev = fdc->fdc_dev;  in fdc_release_resources()
1597 	if (fdc->fdc_intr)  in fdc_release_resources()
1598 		bus_teardown_intr(dev, fdc->res_irq, fdc->fdc_intr);  in fdc_release_resources()
1599 	fdc->fdc_intr = NULL;  in fdc_release_resources()
1600 	if (fdc->res_irq != NULL)  in fdc_release_resources()
1601 		bus_release_resource(dev, SYS_RES_IRQ, fdc->rid_irq,  in fdc_release_resources()
1602 		    fdc->res_irq);  in fdc_release_resources()
1603 	fdc->res_irq = NULL;  in fdc_release_resources()
1606 		if (fdc->resio[i] != NULL && fdc->resio[i] != last) {  in fdc_release_resources()
1608 			    fdc->ridio[i], fdc->resio[i]);  in fdc_release_resources()
1609 			last = fdc->resio[i];  in fdc_release_resources()
1610 			fdc->resio[i] = NULL;  in fdc_release_resources()
1613 	if (fdc->res_drq != NULL)  in fdc_release_resources()
1614 		bus_release_resource(dev, SYS_RES_DRQ, fdc->rid_drq,  in fdc_release_resources()
1615 		    fdc->res_drq);  in fdc_release_resources()
1616 	fdc->res_drq = NULL;  in fdc_release_resources()
1656 fdc_initial_reset(device_t dev, struct fdc_data *fdc)  in fdc_initial_reset()  argument
1664 	if (fdsts_rd(fdc) == 0xff)  in fdc_initial_reset()
1671 	fdout_wr(fdc, 0);  in fdc_initial_reset()
1672 	fdout_wr(fdc, 0);  in fdc_initial_reset()
1673 	if (fdsts_rd(fdc) != 0)  in fdc_initial_reset()
1679 	fdout_wr(fdc, FDO_FRST);  in fdc_initial_reset()
1681 	if (fdsts_rd(fdc) != 0x80)  in fdc_initial_reset()
1685 	if (fdc_cmd(fdc, 3, NE7CMD_SPECIFY, NE7_SPEC_1(6, 240),  in fdc_initial_reset()
1698 	if (fdc_cmd(fdc, 1, NE7CMD_VERSION, 1, &ic_type))  in fdc_initial_reset()
1700 	if (fdc_cmd(fdc, 1, 0x18, 1, &part_id))  in fdc_initial_reset()
1708 		fdc->fdct = FDC_NE765;  in fdc_initial_reset()
1714 		fdc->fdct = FDC_ENHANCED;  in fdc_initial_reset()
1718 		fdc->fdct = FDC_UNKNOWN;  in fdc_initial_reset()
1727 	struct	fdc_data *fdc;  in fdc_detach()  local
1730 	fdc = device_get_softc(dev);  in fdc_detach()
1736 	if (fdc->fdc_intr)  in fdc_detach()
1737 		bus_teardown_intr(dev, fdc->res_irq, fdc->fdc_intr);  in fdc_detach()
1738 	fdc->fdc_intr = NULL;  in fdc_detach()
1741 	mtx_lock(&fdc->fdc_mtx);  in fdc_detach()
1742 	fdc->flags |= FDC_KTHREAD_EXIT;  in fdc_detach()
1743 	wakeup(&fdc->head);  in fdc_detach()
1744 	while ((fdc->flags & FDC_KTHREAD_ALIVE) != 0)  in fdc_detach()
1745 		msleep(fdc->fdc_thread, &fdc->fdc_mtx, PRIBIO, "fdcdet", 0);  in fdc_detach()
1746 	mtx_unlock(&fdc->fdc_mtx);  in fdc_detach()
1749 	fdout_wr(fdc, 0);  in fdc_detach()
1751 	if (!(fdc->flags & FDC_NODMA))  in fdc_detach()
1752 		isa_dma_release(fdc->dmachan);  in fdc_detach()
1753 	fdc_release_resources(fdc);  in fdc_detach()
1754 	mtx_destroy(&fdc->fdc_mtx);  in fdc_detach()
1786 	struct	fdc_data *fdc;  in fdc_attach()  local
1789 	fdc = device_get_softc(dev);  in fdc_attach()
1790 	fdc->fdc_dev = dev;  in fdc_attach()
1791 	error = fdc_initial_reset(dev, fdc);  in fdc_attach()
1796 	error = bus_setup_intr(dev, fdc->res_irq,  in fdc_attach()
1798 	    ((fdc->flags & FDC_NOFAST) ? INTR_MPSAFE : 0),		         in fdc_attach()
1799             ((fdc->flags & FDC_NOFAST) ? NULL : fdc_intr_fast), 	      in fdc_attach()
1800 	    ((fdc->flags & FDC_NOFAST) ? fdc_intr : NULL),   in fdc_attach()
1801 			       fdc, &fdc->fdc_intr);  in fdc_attach()
1806 	if (!(fdc->flags & FDC_NODMA)) {  in fdc_attach()
1807 		error = isa_dma_acquire(fdc->dmachan);  in fdc_attach()
1809 			error = isa_dma_init(fdc->dmachan,  in fdc_attach()
1812 				isa_dma_release(fdc->dmachan);  in fdc_attach()
1817 	fdc->fdcu = device_get_unit(dev);  in fdc_attach()
1818 	fdc->flags |= FDC_NEEDS_RESET;  in fdc_attach()
1820 	mtx_init(&fdc->fdc_mtx, "fdc lock", NULL, MTX_DEF);  in fdc_attach()
1823 	fdout_wr(fdc, fdc->fdout = 0);  in fdc_attach()
1824 	bioq_init(&fdc->head);  in fdc_attach()
1834 	struct	fdc_data *fdc;  in fdc_start_worker()  local
1836 	fdc = device_get_softc(dev);  in fdc_start_worker()
1837 	kproc_create(fdc_thread, fdc, &fdc->fdc_thread, 0, 0,  in fdc_start_worker()
1890 	struct	fdc_data *fdc;  in fd_probe()  local
1896 	fdc = device_get_softc(device_get_parent(dev));  in fd_probe()
1900 	fd->fdc = fdc;  in fd_probe()
1930 	mtx_lock(&fdc->fdc_mtx);  in fd_probe()
1935 	fdc->fd = fd;  in fd_probe()
1936 	fdc_reset(fdc);		/* XXX reset, then unreset, etc. */  in fd_probe()
1941 		if ((fdc_sense_drive(fdc, &st3) == 0) &&  in fd_probe()
1944 			if (fdc_cmd(fdc, 3, NE7CMD_SEEK, fdsu, 10, 0) == 0) {  in fd_probe()
1948 				fdc_sense_int(fdc, NULL, NULL);  in fd_probe()
1960 			if (fdc_cmd(fdc, 2, NE7CMD_RECAL, fdsu, 0) == 0) {  in fd_probe()
1965 				if (fdc_sense_int(fdc, &st0, NULL) == 0 &&  in fd_probe()
1973 	fdc->fd = NULL;  in fd_probe()
1974 	mtx_unlock(&fdc->fdc_mtx);  in fd_probe()
2002 	fd->fdc = fdc;  in fd_probe()
2005 	callout_init_mtx(&fd->toffhandle, &fd->fdc->fdc_mtx, 0);  in fd_probe()
2109 DRIVER_MODULE(fd, fdc, fd_driver, fdc_modevent, 0);