Cross Reference: /src/sys/arch/atari/dev/hdfd.c

Lines Matching defs:fdc
209 CFATTACH_DECL_NEW(fdc, sizeof(struct fdc_softc),
348 	if (strcmp("fdc", aux) || fdc_matched)
400  * the drive).  If `fdc' is not NULL, the drive was found but was not
406 fdprint(void *aux, const char *fdc)
410 	if (!fdc)
418 	struct fdc_softc	*fdc = device_private(self);
424 	fdc->sc_dev = self;
425 	fdc->sc_state = DEVIDLE;
426 	TAILQ_INIT(&fdc->sc_drives);
435 		(void)fdcresult(fdc);
444 	callout_init(&fdc->sc_timo_ch, 0);
445 	callout_init(&fdc->sc_intr_ch, 0);
459 	MFP2->mf_aer  |= 0x10; /* fdc int low->high */
474 	struct fdc_softc	*fdc = device_private(parent);
501 	n = fdcresult(fdc);
508 			printf(" %x", fdc->sc_status[i]);
512 	intr_arg = (void*)fdc;
513 	if (n != 2 || (fdc->sc_status[0] & 0xf8) != 0x20)
527 	struct fdc_softc	*fdc  = device_private(parent);
549 	fdc->sc_fd[drive] = fd;
658 		struct fdc_softc *fdc;
660 		fdc = device_private(device_parent(fd->sc_dev));
661 		if (fdc->sc_state == DEVIDLE) {
663 			fdcstart(fdc);
679 	struct fdc_softc *fdc = device_private(device_parent(fd->sc_dev));
680 	int active = fdc->sc_drives.tqh_first != 0;
684 	TAILQ_INSERT_TAIL(&fdc->sc_drives, fd, sc_drivechain);
688 		fdcstart(fdc);
694 	struct fdc_softc *fdc = device_private(device_parent(fd->sc_dev));
705 		TAILQ_REMOVE(&fdc->sc_drives, fd, sc_drivechain);
707 			TAILQ_INSERT_TAIL(&fdc->sc_drives, fd, sc_drivechain);
717 	fdc->sc_state = DEVIDLE;
735 fd_set_motor(struct fdc_softc *fdc, int reset)
741 	if ((fd = fdc->sc_drives.tqh_first) != NULL)
748 		if ((fd = fdc->sc_fd[n]) && (fd->sc_flags & FD_MOTOR))
757 	struct fdc_softc *fdc = device_private(device_parent(fd->sc_dev));
762 	fd_set_motor(fdc, 0);
770 	struct fdc_softc *fdc = device_private(device_parent(fd->sc_dev));
775 	if ((fdc->sc_drives.tqh_first == fd) && (fdc->sc_state == MOTORWAIT))
776 		(void) fdcintr(fdc);
781 fdcresult(struct fdc_softc *fdc)
792 			if (n >= sizeof(fdc->sc_status)) {
796 			fdc->sc_status[n++] = rd_fdc_reg(fddata);
854 fdcstart(struct fdc_softc *fdc)
860 	if (fdc->sc_state != DEVIDLE) {
865 	(void) fdcintr(fdc);
869 fdcpstatus(struct fdc_softc *fdc)
873 	snprintb(bits, sizeof(bits), NE7_ST0BITS, fdc->sc_status[0]);
875 	snprintb(bits, sizeof(bits), NE7_ST1BITS, fdc->sc_status[1]);
877 	snprintb(bits, sizeof(bits), NE7_ST2BITS, fdc->sc_status[2]);
880 	    fdc->sc_status[3], fdc->sc_status[4], fdc->sc_status[5]);
886 	struct fdc_softc *fdc = device_private(device_parent(self));
891 		(void) fdcresult(fdc);
902 		snprintb(bits, sizeof(bits), NE7_ST0BITS, fdc->sc_status[0]);
903 		printf(" (st0 %s cyl %d)\n", bits, fdc->sc_status[1]);
906 		fdcpstatus(fdc);
919 	struct fdc_softc *fdc = arg;
920 	struct fd_softc *fd = fdc->sc_drives.tqh_first;
927 		fdc->sc_state++;
929 		fdc->sc_state = DEVIDLE;
931 	(void) fdcintr(fdc);
949 	struct fdc_softc	*fdc = arg;
950 #define	st0	fdc->sc_status[0]
951 #define	st1	fdc->sc_status[1]
952 #define	cyl	fdc->sc_status[1]
962 	fd = fdc->sc_drives.tqh_first;
964 		fdc->sc_state = DEVIDLE;
972 		TAILQ_REMOVE(&fdc->sc_drives, fd, sc_drivechain);
980 	switch (fdc->sc_state) {
982 		fdc->sc_errors = 0;
983 		fdc->sc_overruns = 0;
989 			fdc->sc_state = MOTORWAIT;
994 			struct fd_softc *ofd = fdc->sc_fd[fd->sc_drive ^ 1];
1000 			fd_set_motor(fdc, 0);
1001 			fdc->sc_state = MOTORWAIT;
1008 		fd_set_motor(fdc, 0);
1027 		fdc->sc_state = SEEKWAIT;
1032 		callout_reset(&fdc->sc_timo_ch, 4 * hz, fdctimeout, fdc);
1084 				fdc->sc_errors = 4;
1085 				fdcretry(fdc);
1107 		fdc->sc_state = IOCOMPLETE;
1112 		callout_reset(&fdc->sc_timo_ch, 2 * hz, fdctimeout, fdc);
1116 		callout_stop(&fdc->sc_timo_ch);
1117 		fdc->sc_state = SEEKCOMPLETE;
1119 		callout_reset(&fdc->sc_intr_ch, hz / 50, fdcpseudointr, fdc);
1128 		if (fdcresult(fdc) != 2 || (st0 & 0xf8) != 0x20 ||
1133 			fdcretry(fdc);
1143 		fdcretry(fdc);
1147 		callout_stop(&fdc->sc_timo_ch);
1152 		if (fdcresult(fdc) != 7 || (st1 & 0x37) != 0) {
1157 			if ((st1 & 0x10) && (++fdc->sc_overruns < 4)) {
1158 				fdc->sc_state = DOSEEK;
1167 			fdcretry(fdc);
1170 		if (fdc->sc_errors) {
1174 			fdc->sc_errors = 0;
1176 		fdc->sc_overruns = 0;
1189 		fd_set_motor(fdc, 1);
1191 		fd_set_motor(fdc, 0);
1192 		fdc->sc_state = RESETCOMPLETE;
1193 		callout_reset(&fdc->sc_timo_ch, hz / 2, fdctimeout, fdc);
1197 		callout_stop(&fdc->sc_timo_ch);
1201 			(void) fdcresult(fdc);
1210 		fdc->sc_state = RECALWAIT;
1211 		callout_reset(&fdc->sc_timo_ch, 5 * hz, fdctimeout, fdc);
1215 		callout_stop(&fdc->sc_timo_ch);
1216 		fdc->sc_state = RECALCOMPLETE;
1218 		callout_reset(&fdc->sc_intr_ch, hz / 30, fdcpseudointr, fdc);
1223 		if (fdcresult(fdc) != 2 || (st0 & 0xf8) != 0x20 || cyl != 0) {
1227 			fdcretry(fdc);
1251 fdcretry(struct fdc_softc *fdc)
1256 	fd = fdc->sc_drives.tqh_first;
1262 	switch (fdc->sc_errors) {
1265 		fdc->sc_state = DOSEEK;
1270 		fdc->sc_state = DORECAL;
1275 		fdc->sc_state = DORESET;
1284 			fdcpstatus(fdc);
1289 	fdc->sc_errors++;
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