diff options
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/i386/conf/files.i386 | 7 | ||||
| -rw-r--r-- | sys/arch/i386/isa/fd.c | 1066 | ||||
| -rw-r--r-- | sys/arch/i386/isa/fdc.c | 376 | ||||
| -rw-r--r-- | sys/arch/i386/isa/fdlink.h | 105 | ||||
| -rw-r--r-- | sys/arch/i386/isa/fdreg.h | 69 |
5 files changed, 4 insertions, 1619 deletions
diff --git a/sys/arch/i386/conf/files.i386 b/sys/arch/i386/conf/files.i386 index be97ef19615..1bdca10eba4 100644 --- a/sys/arch/i386/conf/files.i386 +++ b/sys/arch/i386/conf/files.i386 @@ -1,4 +1,4 @@ -# $OpenBSD: files.i386,v 1.27 1996/10/04 02:51:16 deraadt Exp $ +# $OpenBSD: files.i386,v 1.28 1996/10/26 06:15:04 downsj Exp $ # $NetBSD: files.i386,v 1.73 1996/05/07 00:58:36 thorpej Exp $ # # new style config file for i386 architecture @@ -145,12 +145,13 @@ attach pms at pckbd file arch/i386/isa/pms.c pms needs-flag # Floppy disk controller +# XXX temporarily conflicts with arc, will soon move to files.isa device fdc {drive = -1} attach fdc at isa device fd: disk, isa_dma attach fd at fdc -file arch/i386/isa/fdc.c fdc needs-flag -file arch/i386/isa/fd.c fd needs-flag +file dev/isa/fdc.c fdc needs-flag +file dev/isa/fd.c fd needs-flag major {fd = 2} # PC speaker diff --git a/sys/arch/i386/isa/fd.c b/sys/arch/i386/isa/fd.c deleted file mode 100644 index 5ee163888cc..00000000000 --- a/sys/arch/i386/isa/fd.c +++ /dev/null @@ -1,1066 +0,0 @@ -/* $OpenBSD: fd.c,v 1.23 1996/10/16 12:46:22 deraadt Exp $ */ -/* $NetBSD: fd.c,v 1.90 1996/05/12 23:12:03 mycroft Exp $ */ - -/*- - * Copyright (c) 1993, 1994, 1995 Charles Hannum. - * Copyright (c) 1990 The Regents of the University of California. - * All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Don Ahn. - * - * Portions Copyright (c) 1993, 1994 by - * jc@irbs.UUCP (John Capo) - * vak@zebub.msk.su (Serge Vakulenko) - * ache@astral.msk.su (Andrew A. Chernov) - * joerg_wunsch@uriah.sax.de (Joerg Wunsch) - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)fd.c 7.4 (Berkeley) 5/25/91 - */ - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/kernel.h> -#include <sys/file.h> -#include <sys/ioctl.h> -#include <sys/device.h> -#include <sys/disklabel.h> -#include <sys/dkstat.h> -#include <sys/disk.h> -#include <sys/buf.h> -#include <sys/malloc.h> -#include <sys/uio.h> -#include <sys/mtio.h> -#include <sys/proc.h> -#include <sys/syslog.h> -#include <sys/queue.h> - -#include <machine/cpu.h> -#include <machine/bus.h> -#include <machine/conf.h> -#include <machine/intr.h> -#include <machine/ioctl_fd.h> - -#include <dev/isa/isavar.h> -#include <dev/isa/isadmavar.h> -#include <i386/isa/fdreg.h> - -#include <dev/ic/mc146818reg.h> /* for NVRAM access */ -#include <i386/isa/nvram.h> - -#include <i386/isa/fdlink.h> - -/* XXX misuse a flag to identify format operation */ -#define B_FORMAT B_XXX - -#define b_cylin b_resid - -/* fd_type struct now in ioctl_fd.h */ - -/* The order of entries in the following table is important -- BEWARE! */ -struct fd_type fd_types[] = { - { 18,2,36,2,0xff,0xcf,0x1b,0x6c,80,2880,1,FDC_500KBPS,"1.44MB" }, /* 1.44MB diskette */ - { 15,2,30,2,0xff,0xdf,0x1b,0x54,80,2400,1,FDC_500KBPS, "1.2MB" }, /* 1.2 MB AT-diskettes */ - { 9,2,18,2,0xff,0xdf,0x23,0x50,40, 720,2,FDC_300KBPS, "360KB/AT" }, /* 360kB in 1.2MB drive */ - { 9,2,18,2,0xff,0xdf,0x2a,0x50,40, 720,1,FDC_250KBPS, "360KB/PC" }, /* 360kB PC diskettes */ - { 9,2,18,2,0xff,0xdf,0x2a,0x50,80,1440,1,FDC_250KBPS, "720KB" }, /* 3.5" 720kB diskette */ - { 9,2,18,2,0xff,0xdf,0x23,0x50,80,1440,1,FDC_300KBPS, "720KB/x" }, /* 720kB in 1.2MB drive */ - { 9,2,18,2,0xff,0xdf,0x2a,0x50,40, 720,2,FDC_250KBPS, "360KB/x" }, /* 360kB in 720kB drive */ -}; - -/* software state, per disk (with up to 4 disks per ctlr) */ -struct fd_softc { - struct device sc_dev; - struct disk sc_dk; - - struct fd_type *sc_deftype; /* default type descriptor */ - struct fd_type *sc_type; /* current type descriptor */ - - daddr_t sc_blkno; /* starting block number */ - int sc_bcount; /* byte count left */ - int sc_opts; /* user-set options */ - int sc_skip; /* bytes already transferred */ - int sc_nblks; /* number of blocks currently tranferring */ - int sc_nbytes; /* number of bytes currently tranferring */ - - int sc_drive; /* physical unit number */ - int sc_flags; -#define FD_OPEN 0x01 /* it's open */ -#define FD_MOTOR 0x02 /* motor should be on */ -#define FD_MOTOR_WAIT 0x04 /* motor coming up */ - int sc_cylin; /* where we think the head is */ - - void *sc_sdhook; /* saved shutdown hook for drive. */ - - TAILQ_ENTRY(fd_softc) sc_drivechain; - int sc_ops; /* I/O ops since last switch */ - struct buf sc_q; /* head of buf chain */ -}; - -/* floppy driver configuration */ -int fdprobe __P((struct device *, void *, void *)); -void fdattach __P((struct device *, struct device *, void *)); - -struct cfattach fd_ca = { - sizeof(struct fd_softc), fdprobe, fdattach -}; - -struct cfdriver fd_cd = { - NULL, "fd", DV_DISK -}; - -void fdgetdisklabel __P((struct fd_softc *)); -int fd_get_parms __P((struct fd_softc *)); -void fdstrategy __P((struct buf *)); -void fdstart __P((struct fd_softc *)); -int fdintr __P((struct fdc_softc *)); - -struct dkdriver fddkdriver = { fdstrategy }; - -void fd_set_motor __P((struct fdc_softc *fdc, int reset)); -void fd_motor_off __P((void *arg)); -void fd_motor_on __P((void *arg)); -void fdfinish __P((struct fd_softc *fd, struct buf *bp)); -int fdformat __P((dev_t, struct fd_formb *, struct proc *)); -__inline struct fd_type *fd_dev_to_type __P((struct fd_softc *, dev_t)); -void fdretry __P((struct fd_softc *)); -void fdtimeout __P((void *)); - -int -fdprobe(parent, match, aux) - struct device *parent; - void *match, *aux; -{ - struct fdc_softc *fdc = (void *)parent; - struct cfdata *cf = match; - struct fdc_attach_args *fa = aux; - int drive = fa->fa_drive; - bus_chipset_tag_t bc = fdc->sc_bc; - bus_io_handle_t ioh = fdc->sc_ioh; - int n; - - if (cf->cf_loc[0] != -1 && cf->cf_loc[0] != drive) - return 0; - /* - * XXX - * This is to work around some odd interactions between this driver - * and SMC Ethernet cards. - */ - if (cf->cf_loc[0] == -1 && drive >= 2) - return 0; - - /* - * We want to keep the flags config gave us. - */ - fa->fa_flags = cf->cf_flags; - - /* select drive and turn on motor */ - bus_io_write_1(bc, ioh, fdout, drive | FDO_FRST | FDO_MOEN(drive)); - /* wait for motor to spin up */ - delay(250000); - out_fdc(bc, ioh, NE7CMD_RECAL); - out_fdc(bc, ioh, drive); - /* wait for recalibrate */ - delay(2000000); - out_fdc(bc, ioh, NE7CMD_SENSEI); - n = fdcresult(fdc); -#ifdef FD_DEBUG - { - int i; - printf("fdprobe: status"); - for (i = 0; i < n; i++) - printf(" %x", fdc->sc_status[i]); - printf("\n"); - } -#endif - if (n != 2 || (fdc->sc_status[0] & 0xf8) != 0x20) - return 0; - /* turn off motor */ - bus_io_write_1(bc, ioh, fdout, FDO_FRST); - - return 1; -} - -/* - * Controller is working, and drive responded. Attach it. - */ -void -fdattach(parent, self, aux) - struct device *parent, *self; - void *aux; -{ - struct fdc_softc *fdc = (void *)parent; - struct fd_softc *fd = (void *)self; - struct fdc_attach_args *fa = aux; - struct fd_type *type = fa->fa_deftype; - int drive = fa->fa_drive; - - if (!type || (fa->fa_flags & 0x10)) { - /* The config has overridden this. */ - switch (fa->fa_flags & 0x07) { - /* 1 is reserved for 2.88MB */ - case 2: /* 1.44MB */ - type = &fd_types[0]; - break; - case 3: /* 1.2MB */ - type = &fd_types[1]; - break; - case 4: /* 720K */ - type = &fd_types[4]; - break; - case 5: /* 360K */ - type = &fd_types[3]; - break; - } - } - - if (type) - printf(": %s %d cyl, %d head, %d sec\n", type->name, - type->tracks, type->heads, type->sectrac); - else - printf(": density unknown\n"); - - fd->sc_cylin = -1; - fd->sc_drive = drive; - fd->sc_deftype = type; - fdc->sc_fd[drive] = fd; - - /* - * Initialize and attach the disk structure. - */ - fd->sc_dk.dk_name = fd->sc_dev.dv_xname; - fd->sc_dk.dk_driver = &fddkdriver; - disk_attach(&fd->sc_dk); - - dk_establish(&fd->sc_dk, &fd->sc_dev); - /* Needed to power off if the motor is on when we halt. */ - fd->sc_sdhook = shutdownhook_establish(fd_motor_off, fd); -} - -/* - * Translate nvram type into internal data structure. Return NULL for - * none/unknown/unusable. - */ -struct fd_type * -fd_nvtotype(fdc, nvraminfo, drive) - char *fdc; - int nvraminfo, drive; -{ - int type; - - type = (drive == 0 ? nvraminfo : nvraminfo << 4) & 0xf0; - switch (type) { - case NVRAM_DISKETTE_NONE: - return NULL; - case NVRAM_DISKETTE_12M: - return &fd_types[1]; - case NVRAM_DISKETTE_TYPE5: - case NVRAM_DISKETTE_TYPE6: - /* XXX We really ought to handle 2.88MB format. */ - case NVRAM_DISKETTE_144M: - return &fd_types[0]; - case NVRAM_DISKETTE_360K: - return &fd_types[3]; - case NVRAM_DISKETTE_720K: - return &fd_types[4]; - default: - printf("%s: drive %d: unknown device type 0x%x\n", - fdc, drive, type); - return NULL; - } -} - -__inline struct fd_type * -fd_dev_to_type(fd, dev) - struct fd_softc *fd; - dev_t dev; -{ - int type = FDTYPE(dev); - - if (type > (sizeof(fd_types) / sizeof(fd_types[0]))) - return NULL; - return type ? &fd_types[type - 1] : fd->sc_deftype; -} - -void -fdstrategy(bp) - register struct buf *bp; /* IO operation to perform */ -{ - struct fd_softc *fd; - int unit = FDUNIT(bp->b_dev); - int sz; - int s; - - /* Valid unit, controller, and request? */ - if (unit >= fd_cd.cd_ndevs || - (fd = fd_cd.cd_devs[unit]) == 0 || - bp->b_blkno < 0 || - ((bp->b_bcount % FDC_BSIZE) != 0 && - (bp->b_flags & B_FORMAT) == 0)) { - bp->b_error = EINVAL; - goto bad; - } - - /* If it's a null transfer, return immediately. */ - if (bp->b_bcount == 0) - goto done; - - sz = howmany(bp->b_bcount, FDC_BSIZE); - - if (bp->b_blkno + sz > fd->sc_type->size) { - sz = fd->sc_type->size - bp->b_blkno; - if (sz == 0) - /* If exactly at end of disk, return EOF. */ - goto done; - if (sz < 0) { - /* If past end of disk, return EINVAL. */ - bp->b_error = EINVAL; - goto bad; - } - /* Otherwise, truncate request. */ - bp->b_bcount = sz << DEV_BSHIFT; - } - - bp->b_cylin = bp->b_blkno / (FDC_BSIZE / DEV_BSIZE) / fd->sc_type->seccyl; - -#ifdef FD_DEBUG - printf("fdstrategy: b_blkno %d b_bcount %d blkno %d cylin %d sz %d\n", - bp->b_blkno, bp->b_bcount, fd->sc_blkno, bp->b_cylin, sz); -#endif - - /* Queue transfer on drive, activate drive and controller if idle. */ - s = splbio(); - disksort(&fd->sc_q, bp); - untimeout(fd_motor_off, fd); /* a good idea */ - if (!fd->sc_q.b_active) - fdstart(fd); -#ifdef DIAGNOSTIC - else { - struct fdc_softc *fdc = (void *)fd->sc_dev.dv_parent; - if (fdc->sc_state == DEVIDLE) { - printf("fdstrategy: controller inactive\n"); - fdcstart(fdc); - } - } -#endif - splx(s); - return; - -bad: - bp->b_flags |= B_ERROR; -done: - /* Toss transfer; we're done early. */ - bp->b_resid = bp->b_bcount; - biodone(bp); -} - -void -fdstart(fd) - struct fd_softc *fd; -{ - struct fdc_softc *fdc = (void *)fd->sc_dev.dv_parent; - int active = fdc->sc_drives.tqh_first != 0; - - /* Link into controller queue. */ - fd->sc_q.b_active = 1; - TAILQ_INSERT_TAIL(&fdc->sc_drives, fd, sc_drivechain); - - /* If controller not already active, start it. */ - if (!active) - fdcstart(fdc); -} - -void -fdfinish(fd, bp) - struct fd_softc *fd; - struct buf *bp; -{ - struct fdc_softc *fdc = (void *)fd->sc_dev.dv_parent; - - /* - * Move this drive to the end of the queue to give others a `fair' - * chance. We only force a switch if N operations are completed while - * another drive is waiting to be serviced, since there is a long motor - * startup delay whenever we switch. - */ - if (fd->sc_drivechain.tqe_next && ++fd->sc_ops >= 8) { - fd->sc_ops = 0; - TAILQ_REMOVE(&fdc->sc_drives, fd, sc_drivechain); - if (bp->b_actf) { - TAILQ_INSERT_TAIL(&fdc->sc_drives, fd, sc_drivechain); - } else - fd->sc_q.b_active = 0; - } - bp->b_resid = fd->sc_bcount; - fd->sc_skip = 0; - fd->sc_q.b_actf = bp->b_actf; - - biodone(bp); - /* turn off motor 5s from now */ - timeout(fd_motor_off, fd, 5 * hz); - fdc->sc_state = DEVIDLE; -} - -int -fdread(dev, uio, flags) - dev_t dev; - struct uio *uio; - int flags; -{ - - return (physio(fdstrategy, NULL, dev, B_READ, minphys, uio)); -} - -int -fdwrite(dev, uio, flags) - dev_t dev; - struct uio *uio; - int flags; -{ - - return (physio(fdstrategy, NULL, dev, B_WRITE, minphys, uio)); -} - -void -fd_set_motor(fdc, reset) - struct fdc_softc *fdc; - int reset; -{ - struct fd_softc *fd; - u_char status; - int n; - - if ((fd = fdc->sc_drives.tqh_first) != NULL) - status = fd->sc_drive; - else - status = 0; - if (!reset) - status |= FDO_FRST | FDO_FDMAEN; - for (n = 0; n < 4; n++) - if ((fd = fdc->sc_fd[n]) && (fd->sc_flags & FD_MOTOR)) - status |= FDO_MOEN(n); - bus_io_write_1(fdc->sc_bc, fdc->sc_ioh, fdout, status); -} - -void -fd_motor_off(arg) - void *arg; -{ - struct fd_softc *fd = arg; - int s; - - s = splbio(); - fd->sc_flags &= ~(FD_MOTOR | FD_MOTOR_WAIT); - fd_set_motor((struct fdc_softc *)fd->sc_dev.dv_parent, 0); - splx(s); -} - -void -fd_motor_on(arg) - void *arg; -{ - struct fd_softc *fd = arg; - struct fdc_softc *fdc = (void *)fd->sc_dev.dv_parent; - int s; - - s = splbio(); - fd->sc_flags &= ~FD_MOTOR_WAIT; - if ((fdc->sc_drives.tqh_first == fd) && (fdc->sc_state == MOTORWAIT)) - (void) fdintr(fdc); - splx(s); -} - -int -fdopen(dev, flags, mode, p) - dev_t dev; - int flags; - int mode; - struct proc *p; -{ - int unit; - struct fd_softc *fd; - struct fd_type *type; - - unit = FDUNIT(dev); - if (unit >= fd_cd.cd_ndevs) - return ENXIO; - fd = fd_cd.cd_devs[unit]; - if (fd == 0) - return ENXIO; - type = fd_dev_to_type(fd, dev); - if (type == NULL) - return ENXIO; - - if ((fd->sc_flags & FD_OPEN) != 0 && - fd->sc_type != type) - return EBUSY; - - fd->sc_type = type; - fd->sc_cylin = -1; - fd->sc_flags |= FD_OPEN; - - return 0; -} - -int -fdclose(dev, flags, mode, p) - dev_t dev; - int flags; - int mode; - struct proc *p; -{ - struct fd_softc *fd = fd_cd.cd_devs[FDUNIT(dev)]; - - fd->sc_flags &= ~FD_OPEN; - fd->sc_opts &= ~FDOPT_NORETRY; - return 0; -} - -int -fdsize(dev) - dev_t dev; -{ - - /* Swapping to floppies would not make sense. */ - return -1; -} - -int -fddump(dev, blkno, va, size) - dev_t dev; - daddr_t blkno; - caddr_t va; - size_t size; -{ - - /* Not implemented. */ - return ENXIO; -} - -/* - * Called from the controller. - */ -int -fdintr(fdc) - struct fdc_softc *fdc; -{ -#define st0 fdc->sc_status[0] -#define cyl fdc->sc_status[1] - struct fd_softc *fd; - struct buf *bp; - bus_chipset_tag_t bc = fdc->sc_bc; - bus_io_handle_t ioh = fdc->sc_ioh; - int read, head, sec, i, nblks; - struct fd_type *type; - struct fd_formb *finfo = NULL; - -loop: - /* Is there a transfer to this drive? If not, deactivate drive. */ - fd = fdc->sc_drives.tqh_first; - if (fd == NULL) { - fdc->sc_state = DEVIDLE; - return 1; - } - - bp = fd->sc_q.b_actf; - if (bp == NULL) { - fd->sc_ops = 0; - TAILQ_REMOVE(&fdc->sc_drives, fd, sc_drivechain); - fd->sc_q.b_active = 0; - goto loop; - } - - if (bp->b_flags & B_FORMAT) - finfo = (struct fd_formb *)bp->b_data; - - switch (fdc->sc_state) { - case DEVIDLE: - fdc->sc_errors = 0; - fd->sc_skip = 0; - fd->sc_bcount = bp->b_bcount; - fd->sc_blkno = bp->b_blkno / (FDC_BSIZE / DEV_BSIZE); - untimeout(fd_motor_off, fd); - if ((fd->sc_flags & FD_MOTOR_WAIT) != 0) { - fdc->sc_state = MOTORWAIT; - return 1; - } - if ((fd->sc_flags & FD_MOTOR) == 0) { - /* Turn on the motor, being careful about pairing. */ - struct fd_softc *ofd = fdc->sc_fd[fd->sc_drive ^ 1]; - if (ofd && ofd->sc_flags & FD_MOTOR) { - untimeout(fd_motor_off, ofd); - ofd->sc_flags &= ~(FD_MOTOR | FD_MOTOR_WAIT); - } - fd->sc_flags |= FD_MOTOR | FD_MOTOR_WAIT; - fd_set_motor(fdc, 0); - fdc->sc_state = MOTORWAIT; - /* Allow .25s for motor to stabilize. */ - timeout(fd_motor_on, fd, hz / 4); - return 1; - } - /* Make sure the right drive is selected. */ - fd_set_motor(fdc, 0); - - /* fall through */ - case DOSEEK: - doseek: - if (fd->sc_cylin == bp->b_cylin) - goto doio; - - out_fdc(bc, ioh, NE7CMD_SPECIFY);/* specify command */ - out_fdc(bc, ioh, fd->sc_type->steprate); - out_fdc(bc, ioh, 6); /* XXX head load time == 6ms */ - - out_fdc(bc, ioh, NE7CMD_SEEK); /* seek function */ - out_fdc(bc, ioh, fd->sc_drive); /* drive number */ - out_fdc(bc, ioh, bp->b_cylin * fd->sc_type->step); - - fd->sc_cylin = -1; - fdc->sc_state = SEEKWAIT; - - fd->sc_dk.dk_seek++; - disk_busy(&fd->sc_dk); - - timeout(fdtimeout, fd, 4 * hz); - return 1; - - case DOIO: - doio: - type = fd->sc_type; - if (finfo) - fd->sc_skip = (char *)&(finfo->fd_formb_cylno(0)) - - (char *)finfo; - sec = fd->sc_blkno % type->seccyl; - nblks = type->seccyl - sec; - nblks = min(nblks, fd->sc_bcount / FDC_BSIZE); - nblks = min(nblks, FDC_MAXIOSIZE / FDC_BSIZE); - fd->sc_nblks = nblks; - fd->sc_nbytes = finfo ? bp->b_bcount : nblks * FDC_BSIZE; - head = sec / type->sectrac; - sec -= head * type->sectrac; -#ifdef DIAGNOSTIC - {int block; - block = (fd->sc_cylin * type->heads + head) * type->sectrac + sec; - if (block != fd->sc_blkno) { - printf("fdintr: block %d != blkno %d\n", block, fd->sc_blkno); -#ifdef DDB - Debugger(); -#endif - }} -#endif - read = bp->b_flags & B_READ ? DMAMODE_READ : DMAMODE_WRITE; -#ifdef NEWCONFIG - at_dma(read, bp->b_data + fd->sc_skip, fd->sc_nbytes, - fdc->sc_drq); -#else - isa_dmastart(read, bp->b_data + fd->sc_skip, fd->sc_nbytes, - fdc->sc_drq); -#endif - bus_io_write_1(bc, ioh, fdctl, type->rate); -#ifdef FD_DEBUG - printf("fdintr: %s drive %d track %d head %d sec %d nblks %d\n", - read ? "read" : "write", fd->sc_drive, fd->sc_cylin, head, - sec, nblks); -#endif - if (finfo) { - /* formatting */ - if (out_fdc(bc, ioh, NE7CMD_FORMAT) < 0) { - fdc->sc_errors = 4; - fdretry(fd); - goto loop; - } - out_fdc(bc, ioh, (head << 2) | fd->sc_drive); - out_fdc(bc, ioh, finfo->fd_formb_secshift); - out_fdc(bc, ioh, finfo->fd_formb_nsecs); - out_fdc(bc, ioh, finfo->fd_formb_gaplen); - out_fdc(bc, ioh, finfo->fd_formb_fillbyte); - } else { - if (read) - out_fdc(bc, ioh, NE7CMD_READ); /* READ */ - else - out_fdc(bc, ioh, NE7CMD_WRITE); /* WRITE */ - out_fdc(bc, ioh, (head << 2) | fd->sc_drive); - out_fdc(bc, ioh, fd->sc_cylin); /* track */ - out_fdc(bc, ioh, head); - out_fdc(bc, ioh, sec + 1); /* sector +1 */ - out_fdc(bc, ioh, type->secsize); /* sector size */ - out_fdc(bc, ioh, type->sectrac); /* sectors/track */ - out_fdc(bc, ioh, type->gap1); /* gap1 size */ - out_fdc(bc, ioh, type->datalen); /* data length */ - } - fdc->sc_state = IOCOMPLETE; - - disk_busy(&fd->sc_dk); - - /* allow 2 seconds for operation */ - timeout(fdtimeout, fd, 2 * hz); - return 1; /* will return later */ - - case SEEKWAIT: - untimeout(fdtimeout, fd); - fdc->sc_state = SEEKCOMPLETE; - /* allow 1/50 second for heads to settle */ - timeout(fdcpseudointr, fdc, hz / 50); - return 1; - - case SEEKCOMPLETE: - disk_unbusy(&fd->sc_dk, 0); /* no data on seek */ - - /* Make sure seek really happened. */ - out_fdc(bc, ioh, NE7CMD_SENSEI); - if (fdcresult(fdc) != 2 || (st0 & 0xf8) != 0x20 || - cyl != bp->b_cylin * fd->sc_type->step) { -#ifdef FD_DEBUG - fdcstatus(&fd->sc_dev, 2, "seek failed"); -#endif - fdretry(fd); - goto loop; - } - fd->sc_cylin = bp->b_cylin; - goto doio; - - case IOTIMEDOUT: -#ifdef NEWCONFIG - at_dma_abort(fdc->sc_drq); -#else - isa_dmaabort(fdc->sc_drq); -#endif - case SEEKTIMEDOUT: - case RECALTIMEDOUT: - case RESETTIMEDOUT: - fdretry(fd); - goto loop; - - case IOCOMPLETE: /* IO DONE, post-analyze */ - untimeout(fdtimeout, fd); - - disk_unbusy(&fd->sc_dk, (bp->b_bcount - bp->b_resid)); - - if (fdcresult(fdc) != 7 || (st0 & 0xf8) != 0) { -#ifdef NEWCONFIG - at_dma_abort(fdc->sc_drq); -#else - isa_dmaabort(fdc->sc_drq); -#endif -#ifdef FD_DEBUG - fdcstatus(&fd->sc_dev, 7, bp->b_flags & B_READ ? - "read failed" : "write failed"); - printf("blkno %d nblks %d\n", - fd->sc_blkno, fd->sc_nblks); -#endif - fdretry(fd); - goto loop; - } -#ifdef NEWCONFIG - at_dma_terminate(fdc->sc_drq); -#else - read = bp->b_flags & B_READ ? DMAMODE_READ : DMAMODE_WRITE; - isa_dmadone(read, bp->b_data + fd->sc_skip, fd->sc_nbytes, - fdc->sc_drq); -#endif - if (fdc->sc_errors) { - diskerr(bp, "fd", "soft error", LOG_PRINTF, - fd->sc_skip / FDC_BSIZE, (struct disklabel *)NULL); - printf("\n"); - fdc->sc_errors = 0; - } - fd->sc_blkno += fd->sc_nblks; - fd->sc_skip += fd->sc_nbytes; - fd->sc_bcount -= fd->sc_nbytes; - if (!finfo && fd->sc_bcount > 0) { - bp->b_cylin = fd->sc_blkno / fd->sc_type->seccyl; - goto doseek; - } - fdfinish(fd, bp); - goto loop; - - case DORESET: - /* try a reset, keep motor on */ - fd_set_motor(fdc, 1); - delay(100); - fd_set_motor(fdc, 0); - fdc->sc_state = RESETCOMPLETE; - timeout(fdtimeout, fd, hz / 2); - return 1; /* will return later */ - - case RESETCOMPLETE: - untimeout(fdtimeout, fd); - /* clear the controller output buffer */ - for (i = 0; i < 4; i++) { - out_fdc(bc, ioh, NE7CMD_SENSEI); - (void) fdcresult(fdc); - } - - /* fall through */ - case DORECAL: - out_fdc(bc, ioh, NE7CMD_RECAL); /* recalibrate function */ - out_fdc(bc, ioh, fd->sc_drive); - fdc->sc_state = RECALWAIT; - timeout(fdtimeout, fd, 5 * hz); - return 1; /* will return later */ - - case RECALWAIT: - untimeout(fdtimeout, fd); - fdc->sc_state = RECALCOMPLETE; - /* allow 1/30 second for heads to settle */ - timeout(fdcpseudointr, fdc, hz / 30); - return 1; /* will return later */ - - case RECALCOMPLETE: - out_fdc(bc, ioh, NE7CMD_SENSEI); - if (fdcresult(fdc) != 2 || (st0 & 0xf8) != 0x20 || cyl != 0) { -#ifdef FD_DEBUG - fdcstatus(&fd->sc_dev, 2, "recalibrate failed"); -#endif - fdretry(fd); - goto loop; - } - fd->sc_cylin = 0; - goto doseek; - - case MOTORWAIT: - if (fd->sc_flags & FD_MOTOR_WAIT) - return 1; /* time's not up yet */ - goto doseek; - - default: - fdcstatus(&fd->sc_dev, 0, "stray interrupt"); - return 1; - } -#ifdef DIAGNOSTIC - panic("fdintr: impossible"); -#endif -#undef st0 -#undef cyl -} - -void -fdtimeout(arg) - void *arg; -{ - struct fd_softc *fd = arg; - struct fdc_softc *fdc = (void *)fd->sc_dev.dv_parent; - int s; - - s = splbio(); -#ifdef DEBUG - log(LOG_ERR,"fdtimeout: state %d\n", fdc->sc_state); -#endif - fdcstatus(&fd->sc_dev, 0, "timeout"); - - if (fd->sc_q.b_actf) - fdc->sc_state++; - else - fdc->sc_state = DEVIDLE; - - (void) fdintr(fdc); - splx(s); -} - -void -fdretry(fd) - struct fd_softc *fd; -{ - struct fdc_softc *fdc = (void *)fd->sc_dev.dv_parent; - struct buf *bp = fd->sc_q.b_actf; - - if (fd->sc_opts & FDOPT_NORETRY) - goto fail; - switch (fdc->sc_errors) { - case 0: - /* try again */ - fdc->sc_state = DOSEEK; - break; - - case 1: case 2: case 3: - /* didn't work; try recalibrating */ - fdc->sc_state = DORECAL; - break; - - case 4: - /* still no go; reset the bastard */ - fdc->sc_state = DORESET; - break; - - default: - fail: - diskerr(bp, "fd", "hard error", LOG_PRINTF, - fd->sc_skip / FDC_BSIZE, (struct disklabel *)NULL); - printf(" (st0 %b st1 %b st2 %b cyl %d head %d sec %d)\n", - fdc->sc_status[0], NE7_ST0BITS, - fdc->sc_status[1], NE7_ST1BITS, - fdc->sc_status[2], NE7_ST2BITS, - fdc->sc_status[3], fdc->sc_status[4], fdc->sc_status[5]); - - bp->b_flags |= B_ERROR; - bp->b_error = EIO; - fdfinish(fd, bp); - } - fdc->sc_errors++; -} - -int -fdioctl(dev, cmd, addr, flag, p) - dev_t dev; - u_long cmd; - caddr_t addr; - int flag; - struct proc *p; -{ - struct fd_softc *fd = fd_cd.cd_devs[FDUNIT(dev)]; - struct disklabel buffer; - int error; - - switch (cmd) { - case MTIOCTOP: - if (((struct mtop *)addr)->mt_op != MTOFFL) - return EIO; - return (0); - case DIOCGDINFO: - bzero(&buffer, sizeof(buffer)); - - buffer.d_secpercyl = fd->sc_type->seccyl; - buffer.d_type = DTYPE_FLOPPY; - buffer.d_secsize = FDC_BSIZE; - - if (readdisklabel(dev, fdstrategy, &buffer, NULL) != NULL) - return EINVAL; - - *(struct disklabel *)addr = buffer; - return 0; - - case DIOCWLABEL: - if ((flag & FWRITE) == 0) - return EBADF; - /* XXX do something */ - return 0; - - case DIOCWDINFO: - if ((flag & FWRITE) == 0) - return EBADF; - - error = setdisklabel(&buffer, (struct disklabel *)addr, 0, NULL); - if (error) - return error; - - error = writedisklabel(dev, fdstrategy, &buffer, NULL); - return error; - - case FD_FORM: - if((flag & FWRITE) == 0) - return EBADF; /* must be opened for writing */ - else if(((struct fd_formb *)addr)->format_version != - FD_FORMAT_VERSION) - return EINVAL; /* wrong version of formatting prog */ - else - return fdformat(dev, (struct fd_formb *)addr, p); - break; - - case FD_GTYPE: /* get drive type */ - *(struct fd_type *)addr = *fd->sc_type; - return 0; - - case FD_GOPTS: /* get drive options */ - *(int *)addr = fd->sc_opts; - return 0; - - case FD_SOPTS: /* set drive options */ - fd->sc_opts = *(int *)addr; - return 0; - - default: - return ENOTTY; - } - -#ifdef DIAGNOSTIC - panic("fdioctl: impossible"); -#endif -} - -int -fdformat(dev, finfo, p) - dev_t dev; - struct fd_formb *finfo; - struct proc *p; -{ - int rv = 0, s; - struct fd_softc *fd = fd_cd.cd_devs[FDUNIT(dev)]; - struct fd_type *type = fd->sc_type; - struct buf *bp; - - /* set up a buffer header for fdstrategy() */ - bp = (struct buf *)malloc(sizeof(struct buf), M_TEMP, M_NOWAIT); - if(bp == 0) - return ENOBUFS; - bzero((void *)bp, sizeof(struct buf)); - bp->b_flags = B_BUSY | B_PHYS | B_FORMAT; - bp->b_proc = p; - bp->b_dev = dev; - - /* - * calculate a fake blkno, so fdstrategy() would initiate a - * seek to the requested cylinder - */ - bp->b_blkno = (finfo->cyl * (type->sectrac * type->heads) - + finfo->head * type->sectrac) * FDC_BSIZE / DEV_BSIZE; - - bp->b_bcount = sizeof(struct fd_idfield_data) * finfo->fd_formb_nsecs; - bp->b_data = (caddr_t)finfo; - -#ifdef DEBUG - printf("fdformat: blkno %x count %x\n", bp->b_blkno, bp->b_bcount); -#endif - - /* now do the format */ - fdstrategy(bp); - - /* ...and wait for it to complete */ - s = splbio(); - while(!(bp->b_flags & B_DONE)) - { - rv = tsleep((caddr_t)bp, PRIBIO, "fdform", 0); - if(rv == EWOULDBLOCK) - /*break*/; - } - splx(s); - - if(rv == EWOULDBLOCK) { - /* timed out */ - rv = EIO; - /* XXX what to do to the buf? it will eventually fall - out as finished, but ... ?*/ - /*biodone(bp);*/ - } - if(bp->b_flags & B_ERROR) - rv = bp->b_error; - free(bp, M_TEMP); - return rv; -} diff --git a/sys/arch/i386/isa/fdc.c b/sys/arch/i386/isa/fdc.c deleted file mode 100644 index f4f6a3102c6..00000000000 --- a/sys/arch/i386/isa/fdc.c +++ /dev/null @@ -1,376 +0,0 @@ -/* $OpenBSD: fdc.c,v 1.2 1996/10/16 12:46:25 deraadt Exp $ */ -/* $NetBSD: fd.c,v 1.90 1996/05/12 23:12:03 mycroft Exp $ */ - -/*- - * Copyright (c) 1993, 1994, 1995 Charles Hannum. - * Copyright (c) 1990 The Regents of the University of California. - * All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Don Ahn. - * - * Portions Copyright (c) 1993, 1994 by - * jc@irbs.UUCP (John Capo) - * vak@zebub.msk.su (Serge Vakulenko) - * ache@astral.msk.su (Andrew A. Chernov) - * joerg_wunsch@uriah.sax.de (Joerg Wunsch) - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)fd.c 7.4 (Berkeley) 5/25/91 - */ - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/kernel.h> -#include <sys/file.h> -#include <sys/ioctl.h> -#include <sys/device.h> -#include <sys/disklabel.h> -#include <sys/dkstat.h> -#include <sys/disk.h> -#include <sys/buf.h> -#include <sys/malloc.h> -#include <sys/uio.h> -#include <sys/mtio.h> -#include <sys/syslog.h> -#include <sys/queue.h> - -#include <machine/cpu.h> -#include <machine/bus.h> -#include <machine/conf.h> -#include <machine/intr.h> -#include <machine/ioctl_fd.h> - -#include <dev/isa/isavar.h> -#include <dev/isa/isadmavar.h> -#include <i386/isa/fdreg.h> - -#include <dev/ic/mc146818reg.h> /* for NVRAM access */ -#include <i386/isa/nvram.h> - -#include <i386/isa/fdlink.h> - -#include "fd.h" - -/* controller driver configuration */ -int fdcprobe __P((struct device *, void *, void *)); -#ifdef NEWCONFIG -void fdcforceintr __P((void *)); -#endif -void fdcattach __P((struct device *, struct device *, void *)); - -struct cfattach fdc_ca = { - sizeof(struct fdc_softc), fdcprobe, fdcattach -}; - -struct cfdriver fdc_cd = { - NULL, "fdc", DV_DULL -}; - -int fddprint __P((void *, char *)); -int fdcintr __P((void *)); - -int -fdcprobe(parent, match, aux) - struct device *parent; - void *match, *aux; -{ - register struct isa_attach_args *ia = aux; - bus_chipset_tag_t bc; - bus_io_handle_t ioh; - int rv; - - bc = ia->ia_bc; - rv = 0; - - /* Map the i/o space. */ - if (bus_io_map(bc, ia->ia_iobase, FDC_NPORT, &ioh)) - return 0; - - /* reset */ - bus_io_write_1(bc, ioh, fdout, 0); - delay(100); - bus_io_write_1(bc, ioh, fdout, FDO_FRST); - - /* see if it can handle a command */ - if (out_fdc(bc, ioh, NE7CMD_SPECIFY) < 0) - goto out; - out_fdc(bc, ioh, 0xdf); - out_fdc(bc, ioh, 2); - -#ifdef NEWCONFIG - if (ia->ia_iobase == IOBASEUNK || ia->ia_drq == DRQUNK) - return 0; - - if (ia->ia_irq == IRQUNK) { - ia->ia_irq = isa_discoverintr(fdcforceintr, aux); - if (ia->ia_irq == IRQNONE) - goto out; - - /* reset it again */ - bus_io_write_1(bc, ioh, fdout, 0); - delay(100); - bus_io_write_1(bc, ioh, fdout, FDO_FRST); - } -#endif - - rv = 1; - ia->ia_iosize = FDC_NPORT; - ia->ia_msize = 0; - - out: - bus_io_unmap(bc, ioh, FDC_NPORT); - return rv; -} - -#ifdef NEWCONFIG -/* - * XXX This is broken, and needs fixing. In general, the interface needs - * XXX to change. - */ -void -fdcforceintr(aux) - void *aux; -{ - struct isa_attach_args *ia = aux; - int iobase = ia->ia_iobase; - - /* the motor is off; this should generate an error with or - without a disk drive present */ - out_fdc(bc, ioh, NE7CMD_SEEK); - out_fdc(bc, ioh, 0); - out_fdc(bc, ioh, 0); -} -#endif - -void -fdcattach(parent, self, aux) - struct device *parent, *self; - void *aux; -{ - struct fdc_softc *fdc = (void *)self; - bus_chipset_tag_t bc; - bus_io_handle_t ioh; - struct isa_attach_args *ia = aux; - struct fdc_attach_args fa; - int type; - - bc = ia->ia_bc; - - /* Re-map the I/O space. */ - if (bus_io_map(bc, ia->ia_iobase, FDC_NPORT, &ioh)) - panic("fdcattach: couldn't map I/O ports"); - - fdc->sc_bc = bc; - fdc->sc_ioh = ioh; - - fdc->sc_drq = ia->ia_drq; - fdc->sc_state = DEVIDLE; - TAILQ_INIT(&fdc->sc_drives); - - printf("\n"); - -#ifdef NEWCONFIG - at_setup_dmachan(fdc->sc_drq, FDC_MAXIOSIZE); - isa_establish(&fdc->sc_id, &fdc->sc_dev); -#endif - fdc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, - IPL_BIO, fdcintr, fdc, fdc->sc_dev.dv_xname); - - /* - * The NVRAM info only tells us about the first two disks on the - * `primary' floppy controller. - */ - if (fdc->sc_dev.dv_unit == 0) - type = mc146818_read(NULL, NVRAM_DISKETTE); /* XXX softc */ - else - type = -1; - - /* physical limit: four drives per controller. */ - for (fa.fa_drive = 0; fa.fa_drive < 4; fa.fa_drive++) { - fa.fa_flags = 0; -#if NFD > 0 - if (type >= 0 && fa.fa_drive < 2) - fa.fa_deftype = fd_nvtotype(fdc->sc_dev.dv_xname, - type, fa.fa_drive); - else -#endif - fa.fa_deftype = NULL; /* unknown */ - (void)config_found(self, (void *)&fa, fddprint); - } -} - -/* - * Print the location of a disk/tape drive (called just before attaching the - * the drive). If `fdc' is not NULL, the drive was found but was not - * in the system config file; print the drive name as well. - * Return QUIET (config_find ignores this if the device was configured) to - * avoid printing `fdN not configured' messages. - */ -int -fddprint(aux, fdc) - void *aux; - char *fdc; -{ - register struct fdc_attach_args *fa = aux; - - if (!fdc) - printf(" drive %d", fa->fa_drive); - return QUIET; -} - -int -fdcresult(fdc) - struct fdc_softc *fdc; -{ - bus_chipset_tag_t bc = fdc->sc_bc; - bus_io_handle_t ioh = fdc->sc_ioh; - u_char i; - int j = 100000, - n = 0; - - for (; j; j--) { - i = bus_io_read_1(bc, ioh, fdsts) & - (NE7_DIO | NE7_RQM | NE7_CB); - if (i == NE7_RQM) - return n; - if (i == (NE7_DIO | NE7_RQM | NE7_CB)) { - if (n >= sizeof(fdc->sc_status)) { - log(LOG_ERR, "fdcresult: overrun\n"); - return -1; - } - fdc->sc_status[n++] = bus_io_read_1(bc, ioh, fddata); - } - } - log(LOG_ERR, "fdcresult: timeout\n"); - return -1; -} - -int -out_fdc(bc, ioh, x) - bus_chipset_tag_t bc; - bus_io_handle_t ioh; - u_char x; -{ - int i = 100000; - - while ((bus_io_read_1(bc, ioh, fdsts) & NE7_DIO) && i-- > 0); - if (i <= 0) - return -1; - while ((bus_io_read_1(bc, ioh, fdsts) & NE7_RQM) == 0 && i-- > 0); - if (i <= 0) - return -1; - bus_io_write_1(bc, ioh, fddata, x); - return 0; -} - -void -fdcstart(fdc) - struct fdc_softc *fdc; -{ - -#ifdef DIAGNOSTIC - /* only got here if controller's drive queue was inactive; should - be in idle state */ - if (fdc->sc_state != DEVIDLE) { - printf("fdcstart: not idle\n"); - return; - } -#endif - (void) fdcintr(fdc); -} - -void -fdcstatus(dv, n, s) - struct device *dv; - int n; - char *s; -{ - struct fdc_softc *fdc = (void *)dv->dv_parent; - - if (n == 0) { - out_fdc(fdc->sc_bc, fdc->sc_ioh, NE7CMD_SENSEI); - (void) fdcresult(fdc); - n = 2; - } - - printf("%s: %s", dv->dv_xname, s); - - switch (n) { - case 0: - printf("\n"); - break; - case 2: - printf(" (st0 %b cyl %d)\n", - fdc->sc_status[0], NE7_ST0BITS, - fdc->sc_status[1]); - break; - case 7: - printf(" (st0 %b st1 %b st2 %b cyl %d head %d sec %d)\n", - fdc->sc_status[0], NE7_ST0BITS, - fdc->sc_status[1], NE7_ST1BITS, - fdc->sc_status[2], NE7_ST2BITS, - fdc->sc_status[3], fdc->sc_status[4], fdc->sc_status[5]); - break; -#ifdef DIAGNOSTIC - default: - printf("\nfdcstatus: weird size"); - break; -#endif - } -} - -void -fdcpseudointr(arg) - void *arg; -{ - int s; - - /* Just ensure it has the right spl. */ - s = splbio(); - (void) fdcintr(arg); - splx(s); -} - -int -fdcintr(arg) - void *arg; -{ - struct fdc_softc *fdc = arg; - -#if NFD > 0 - extern int fdintr __P((struct fdc_softc *)); - - /* Will switch on device type, shortly. */ - return (fdintr(fdc)); -#else - printf("fdcintr: got interrupt, but no devices!\n"); -#endif -} diff --git a/sys/arch/i386/isa/fdlink.h b/sys/arch/i386/isa/fdlink.h deleted file mode 100644 index fc3c8d8476b..00000000000 --- a/sys/arch/i386/isa/fdlink.h +++ /dev/null @@ -1,105 +0,0 @@ -/* $OpenBSD: fdlink.h,v 1.1 1996/09/01 20:58:27 downsj Exp $ */ - -/*- - * Copyright (c) 1993, 1994, 1995 Charles Hannum. - * Copyright (c) 1990 The Regents of the University of California. - * All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Don Ahn. - * - * Portions Copyright (c) 1993, 1994 by - * jc@irbs.UUCP (John Capo) - * vak@zebub.msk.su (Serge Vakulenko) - * ache@astral.msk.su (Andrew A. Chernov) - * joerg_wunsch@uriah.sax.de (Joerg Wunsch) - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - */ - -/* - * The goo that binds the floppy controller to it's devices. - */ - -enum fdc_state { - DEVIDLE = 0, - MOTORWAIT, - DOSEEK, - SEEKWAIT, - SEEKTIMEDOUT, - SEEKCOMPLETE, - DOIO, - IOCOMPLETE, - IOTIMEDOUT, - DORESET, - RESETCOMPLETE, - RESETTIMEDOUT, - DORECAL, - RECALWAIT, - RECALTIMEDOUT, - RECALCOMPLETE, -}; - -/* software state, per controller */ -struct fdc_softc { - struct device sc_dev; /* boilerplate */ - struct isadev sc_id; - void *sc_ih; - - bus_chipset_tag_t sc_bc; /* ISA chipset identifier */ - bus_io_handle_t sc_ioh; /* ISA io handle */ - - int sc_drq; - - struct fd_softc *sc_fd[4]; /* pointers to children */ - TAILQ_HEAD(drivehead, fd_softc) sc_drives; - enum fdc_state sc_state; - int sc_errors; /* number of retries so far */ - u_char sc_status[7]; /* copy of registers */ -}; - -/* - * Arguments passed between fdcattach and f[dt]probe. - */ -struct fdc_attach_args { - int fa_drive; - int fa_flags; - struct fd_type *fa_deftype; -}; - -/* Functions from fdc.c. */ -int fdcresult __P((struct fdc_softc *fdc)); -int out_fdc __P((bus_chipset_tag_t bc, bus_io_handle_t ioh, u_char x)); -void fdcstart __P((struct fdc_softc *fdc)); -void fdcstatus __P((struct device *dv, int n, char *s)); -void fdcpseudointr __P((void *arg)); - -/* Functions from fd.c. */ -struct fd_type *fd_nvtotype __P((char *, int, int)); diff --git a/sys/arch/i386/isa/fdreg.h b/sys/arch/i386/isa/fdreg.h deleted file mode 100644 index 7fa8212ae83..00000000000 --- a/sys/arch/i386/isa/fdreg.h +++ /dev/null @@ -1,69 +0,0 @@ -/* $NetBSD: fdreg.h,v 1.8 1995/06/28 04:30:57 cgd Exp $ */ - -/*- - * Copyright (c) 1991 The Regents of the University of California. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)fdreg.h 7.1 (Berkeley) 5/9/91 - */ - -/* - * AT floppy controller registers and bitfields - */ - -/* uses NEC765 controller */ -#include <dev/ic/nec765reg.h> - -/* registers */ -#define fdout 2 /* Digital Output Register (W) */ -#define FDO_FDSEL 0x03 /* floppy device select */ -#define FDO_FRST 0x04 /* floppy controller reset */ -#define FDO_FDMAEN 0x08 /* enable floppy DMA and Interrupt */ -#define FDO_MOEN(n) ((1 << n) * 0x10) /* motor enable */ - -#define fdsts 4 /* NEC 765 Main Status Register (R) */ -#define fddata 5 /* NEC 765 Data Register (R/W) */ - -#define fdctl 7 /* Control Register (W) */ -#define FDC_500KBPS 0x00 /* 500KBPS MFM drive transfer rate */ -#define FDC_300KBPS 0x01 /* 300KBPS MFM drive transfer rate */ -#define FDC_250KBPS 0x02 /* 250KBPS MFM drive transfer rate */ -#define FDC_125KBPS 0x03 /* 125KBPS FM drive transfer rate */ - -#define fdin 7 /* Digital Input Register (R) */ -#define FDI_DCHG 0x80 /* diskette has been changed */ - -#define FDC_BSIZE 512 -#define FDC_NPORT 8 -#define FDC_MAXIOSIZE NBPG /* XXX should be MAXBSIZE */ - -#define FDUNIT(dev) (minor(dev) / 16) -#define FDTYPE(dev) (minor(dev) % 16) |