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Migrate the olpt(4) driver to si_drv1 instead of using dev2unit().

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Approved by:	nyan
This commit is contained in:
Ed Schouten 2009-04-15 19:58:41 +00:00
parent 3f11530b79
commit db99d0404c
1 changed files with 13 additions and 19 deletions
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32
sys/pc98/cbus/olpt.c
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@ -136,9 +136,6 @@
static int volatile lptflag = 1;
#endif
#define LPTUNIT(s) ((s)&0x03)
#define LPTFLAGS(s) ((s)&0xfc)
struct lpt_softc {
struct resource *res_port;
struct resource *res_irq;
@ -318,6 +315,7 @@ lpt_attach(device_t dev)
{
int rid, unit;
struct lpt_softc *sc;
struct cdev *cdev;
unit = device_get_unit(dev);
sc = device_get_softc(dev);
@ -360,10 +358,12 @@ lpt_attach(device_t dev)
device_printf(dev, "Interrupt-driven port");
}
/* XXX what to do about the flags in the minor number? */
make_dev(&lpt_cdevsw, unit, UID_ROOT, GID_WHEEL, 0600, "lpt%d", unit);
make_dev(&lpt_cdevsw, unit | LP_BYPASS,
cdev = make_dev(&lpt_cdevsw, 0,
UID_ROOT, GID_WHEEL, 0600, "lpt%d", unit);
cdev->si_drv1 = sc;
cdev = make_dev(&lpt_cdevsw, LP_BYPASS,
UID_ROOT, GID_WHEEL, 0600, "lpctl%d", unit);
cdev->si_drv1 = sc;
return 0;
}
@ -377,11 +377,10 @@ lpt_attach(device_t dev)
static int
lptopen (struct cdev *dev, int flags, int fmt, struct thread *td)
{
struct lpt_softc *sc;
struct lpt_softc *sc = dev->si_drv1;
int s;
int port;
sc = devclass_get_softc(olpt_devclass, LPTUNIT(dev2unit(dev)));
if (sc->sc_port == 0)
return (ENXIO);
@ -391,7 +390,7 @@ lptopen (struct cdev *dev, int flags, int fmt, struct thread *td)
} else
sc->sc_state |= INIT;
sc->sc_flags = LPTFLAGS(dev2unit(dev));
sc->sc_flags = dev2unit(dev);
/* Check for open with BYPASS flag set. */
if (sc->sc_flags & LP_BYPASS) {
@ -467,9 +466,8 @@ lptout (void *arg)
static int
lptclose(struct cdev *dev, int flags, int fmt, struct thread *td)
{
struct lpt_softc *sc;
struct lpt_softc *sc = dev->si_drv1;
sc = devclass_get_softc(olpt_devclass, LPTUNIT(dev2unit(dev)));
if(sc->sc_flags & LP_BYPASS)
goto end_close;
@ -556,9 +554,8 @@ lptwrite(struct cdev *dev, struct uio * uio, int ioflag)
{
register unsigned n;
int pl, err;
struct lpt_softc *sc;
struct lpt_softc *sc = dev->si_drv1;
sc = devclass_get_softc(olpt_devclass, LPTUNIT(dev2unit(dev)));
if(sc->sc_flags & LP_BYPASS) {
/* we can't do writes in bypass mode */
return(EPERM);
@ -613,12 +610,9 @@ static int
lptioctl(struct cdev *dev, u_long cmd, caddr_t data, int flags, struct thread *td)
{
int error = 0;
struct lpt_softc *sc;
u_int unit = LPTUNIT(dev2unit(dev));
struct lpt_softc *sc = dev->si_drv1;
u_char old_sc_irq; /* old printer IRQ status */
sc = devclass_get_softc(olpt_devclass, unit);
switch (cmd) {
case LPT_IRQ :
if(sc->sc_irq & LP_HAS_IRQ) {
@ -637,8 +631,8 @@ lptioctl(struct cdev *dev, u_long cmd, caddr_t data, int flags, struct thread *t
else
sc->sc_irq |= LP_ENABLE_IRQ;
if (old_sc_irq != sc->sc_irq )
log(LOG_NOTICE, "lpt%c switched to %s mode\n",
(char)unit+'0',
log(LOG_NOTICE, "%s switched to %s mode\n",
devtoname(dev),
(sc->sc_irq & LP_ENABLE_IRQ)?
"interrupt-driven":"polled");
} else /* polled port */