diff options
Diffstat (limited to 'sys/i386/isa/lpt.c')
| -rw-r--r-- | sys/i386/isa/lpt.c | 77 |
1 files changed, 40 insertions, 37 deletions
diff --git a/sys/i386/isa/lpt.c b/sys/i386/isa/lpt.c index 3c0b4b467537..81d503bfe5ae 100644 --- a/sys/i386/isa/lpt.c +++ b/sys/i386/isa/lpt.c @@ -46,7 +46,7 @@ * SUCH DAMAGE. * * from: unknown origin, 386BSD 0.1 - * $Id: lpt.c,v 1.44 1995/12/06 23:50:14 bde Exp $ + * $Id: lpt.c,v 1.45 1995/12/07 12:46:03 davidg Exp $ */ /* @@ -113,6 +113,9 @@ #include <sys/uio.h> #include <sys/syslog.h> #include <sys/devconf.h> +#ifdef DEVFS +#include <sys/devfsext.h> +#endif /*DEVFS*/ #include <machine/clock.h> #include <machine/lpt.h> @@ -144,14 +147,6 @@ #endif #endif /* INET */ -#ifdef JREMOD -#include <sys/conf.h> -#include <sys/kernel.h> -#ifdef DEVFS -#include <sys/devfsext.h> -#endif /*DEVFS*/ -#define CDEV_MAJOR 16 -#endif /*JREMOD*/ #define LPINITRDY 4 /* wait up to 4 seconds for a ready */ #define LPTOUTTIME 4 /* wait up to 4 seconds for a ready */ @@ -232,7 +227,9 @@ struct lpt_softc { u_char *sc_ifbuf; int sc_iferrs; #endif /* ENDIF */ - +#ifdef DEVFS + void *devfs_token; +#endif } lpt_sc[NLPT] ; /* bits for state */ @@ -289,6 +286,18 @@ struct isa_driver lptdriver = { lptprobe, lptattach, "lpt" }; +static d_open_t lptopen; +static d_close_t lptclose; +static d_write_t lptwrite; +static d_ioctl_t lptioctl; + +#define CDEV_MAJOR 16 +struct cdevsw lpt_cdevsw = + { lptopen, lptclose, noread, lptwrite, /*16*/ + lptioctl, nullstop, nullreset, nodevtotty,/* lpt */ + seltrue, nommap, nostrat, "lpt", NULL, -1 }; + + static struct kern_devconf kdc_lpt[NLPT] = { { 0, 0, 0, /* filled in by dev_attach */ "lpt", 0, { MDDT_ISA, 0, "tty" }, @@ -443,8 +452,11 @@ int lptattach(struct isa_device *isdp) { struct lpt_softc *sc; + int unit; + char name[32]; - sc = lpt_sc + isdp->id_unit; + unit = isdp->id_unit; + sc = lpt_sc + unit; sc->sc_port = isdp->id_iobase; sc->sc_primed = 0; /* not primed yet */ outb(sc->sc_port+lpt_control, LPC_NINIT); @@ -453,18 +465,25 @@ lptattach(struct isa_device *isdp) lprintf("oldirq %x\n", sc->sc_irq); if (isdp->id_irq) { sc->sc_irq = LP_HAS_IRQ | LP_USE_IRQ | LP_ENABLE_IRQ; - printf("lpt%d: Interrupt-driven port\n", isdp->id_unit); + printf("lpt%d: Interrupt-driven port\n", unit); #ifdef INET - lpattach(sc, isdp->id_unit); + lpattach(sc, unit); #endif } else { sc->sc_irq = 0; - lprintf("lpt%d: Polled port\n", isdp->id_unit); + lprintf("lpt%d: Polled port\n", unit); } lprintf("irq %x\n", sc->sc_irq); - kdc_lpt[isdp->id_unit].kdc_state = DC_IDLE; + kdc_lpt[unit].kdc_state = DC_IDLE; +#ifdef DEVFS +/* XXX */ /* what to do about the flags in the minor number? */ + sprintf(name,"lpt%d",unit); + /* path name devsw minor type uid gid perm*/ + sc->devfs_token = devfs_add_devsw( "/", name, &lpt_cdevsw, unit, + DV_CHR, 0, 0, 0600); +#endif return (1); } @@ -474,7 +493,7 @@ lptattach(struct isa_device *isdp) * printer -- this is just used for passing ioctls. */ -int +static int lptopen (dev_t dev, int flags, int fmt, struct proc *p) { struct lpt_softc *sc; @@ -608,7 +627,7 @@ lptout (struct lpt_softc * sc) * Check for interrupted write call added. */ -int +static int lptclose(dev_t dev, int flags, int fmt, struct proc *p) { struct lpt_softc *sc = lpt_sc + LPTUNIT(minor(dev)); @@ -707,7 +726,7 @@ pushbytes(struct lpt_softc * sc) * Flagging of interrupted write added. */ -int +static int lptwrite(dev_t dev, struct uio * uio, int ioflag) { register unsigned n; @@ -805,7 +824,7 @@ lptintr(int unit) lprintf("sts %x ", sts); } -int +static int lptioctl(dev_t dev, int cmd, caddr_t data, int flags, struct proc *p) { int error = 0; @@ -1355,12 +1374,6 @@ lpoutput (struct ifnet *ifp, struct mbuf *m, #endif /* INET */ -#ifdef JREMOD -struct cdevsw lpt_cdevsw = - { lptopen, lptclose, noread, lptwrite, /*16*/ - lptioctl, nullstop, nullreset, nodevtotty,/* lpt */ - seltrue, nommap, nostrat}; - static lpt_devsw_installed = 0; static void lpt_drvinit(void *unused) @@ -1368,21 +1381,11 @@ static void lpt_drvinit(void *unused) dev_t dev; if( ! lpt_devsw_installed ) { - dev = makedev(CDEV_MAJOR,0); - cdevsw_add(&dev,&lpt_cdevsw,NULL); + dev = makedev(CDEV_MAJOR, 0); + cdevsw_add(&dev,&lpt_cdevsw, NULL); lpt_devsw_installed = 1; -#ifdef DEVFS - { - int x; -/* default for a simple device with no probe routine (usually delete this) */ - x=devfs_add_devsw( -/* path name devsw minor type uid gid perm*/ - "/", "lpt", major(dev), 0, DV_CHR, 0, 0, 0600); - } -#endif } } SYSINIT(lptdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,lpt_drvinit,NULL) -#endif /* JREMOD */ |