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https://github.com/freebsd/freebsd-src.git
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Sync with sys/i386/isa/lpt.c revision 1.72.
This commit is contained in:
KATO Takenori
parent
62bf5779e7
commit
77d493c5b5
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=41677
@ -46,7 +46,7 @@
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* SUCH DAMAGE.
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*
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* from: unknown origin, 386BSD 0.1
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* $Id: lpt.c,v 1.22 1998/08/17 08:21:09 kato Exp $
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* $Id: lpt.c,v 1.23 1998/10/22 05:58:45 bde Exp $
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*/
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/*
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@ -195,9 +195,12 @@
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#ifndef DEBUG
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#define lprintf (void)
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#define lprintf(args)
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#else
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#define lprintf if (lptflag) printf
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#define lprintf(args) do { \
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if (lptflag) \
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printf args; \
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} while (0)
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static int volatile lptflag = 1;
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#endif
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@ -325,8 +328,8 @@ lpt_port_test (int port, u_char data, u_char mask)
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temp = inb(port) & mask;
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}
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while (temp != data && --timeout);
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lprintf("Port 0x%x\tout=%x\tin=%x\ttout=%d\n",
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port, data, temp, timeout);
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lprintf(("Port 0x%x\tout=%x\tin=%x\ttout=%d\n",
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port, data, temp, timeout));
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return (temp == data);
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}
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@ -454,7 +457,7 @@ lptattach(struct isa_device *isdp)
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#endif
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/* check if we can use interrupt */
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lprintf("oldirq %x\n", sc->sc_irq);
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lprintf(("oldirq %x\n", sc->sc_irq));
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if (isdp->id_irq) {
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sc->sc_irq = LP_HAS_IRQ | LP_USE_IRQ | LP_ENABLE_IRQ;
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printf("lpt%d: Interrupt-driven port\n", unit);
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@ -463,9 +466,9 @@ lptattach(struct isa_device *isdp)
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#endif
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} else {
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sc->sc_irq = 0;
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lprintf("lpt%d: Polled port\n", unit);
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lprintf(("lpt%d: Polled port\n", unit));
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}
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lprintf("irq %x\n", sc->sc_irq);
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lprintf(("irq %x\n", sc->sc_irq));
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#ifdef DEVFS
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/* XXX what to do about the flags in the minor number? */
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@ -503,7 +506,7 @@ lptopen (dev_t dev, int flags, int fmt, struct proc *p)
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#endif
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if (sc->sc_state) {
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lprintf("lp: still open %x\n", sc->sc_state);
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lprintf(("lp: still open %x\n", sc->sc_state));
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return(EBUSY);
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} else
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sc->sc_state |= INIT;
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@ -517,7 +520,7 @@ lptopen (dev_t dev, int flags, int fmt, struct proc *p)
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}
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s = spltty();
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lprintf("lp flags 0x%x\n", sc->sc_flags);
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lprintf(("lp flags 0x%x\n", sc->sc_flags));
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port = sc->sc_port;
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/* set IRQ status according to ENABLE_IRQ flag */
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@ -545,7 +548,7 @@ lptopen (dev_t dev, int flags, int fmt, struct proc *p)
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if (trys++ >= LPINITRDY*4) {
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splx(s);
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sc->sc_state = 0;
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lprintf ("status %x\n", inb(port+lpt_status) );
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lprintf(("status %x\n", inb(port+lpt_status)));
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return (EBUSY);
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}
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@ -578,14 +581,14 @@ lptopen (dev_t dev, int flags, int fmt, struct proc *p)
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splx(s);
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/* only use timeout if using interrupt */
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lprintf("irq %x\n", sc->sc_irq);
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lprintf(("irq %x\n", sc->sc_irq));
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if (sc->sc_irq & LP_USE_IRQ) {
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sc->sc_state |= TOUT;
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timeout (lptout, (caddr_t)sc,
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(sc->sc_backoff = hz/LPTOUTINITIAL));
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}
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lprintf("opened.\n");
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lprintf(("opened.\n"));
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return(0);
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}
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@ -595,7 +598,7 @@ lptout (void *arg)
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struct lpt_softc *sc = arg;
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int pl;
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lprintf ("T %x ", inb(sc->sc_port+lpt_status));
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lprintf(("T %x ", inb(sc->sc_port+lpt_status)));
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if (sc->sc_state & OPEN) {
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sc->sc_backoff++;
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if (sc->sc_backoff > hz/LPTOUTMAX)
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@ -654,7 +657,7 @@ lptclose(dev_t dev, int flags, int fmt, struct proc *p)
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end_close:
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sc->sc_state = 0;
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sc->sc_xfercnt = 0;
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lprintf("closed.\n");
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lprintf(("closed.\n"));
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return(0);
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}
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@ -673,7 +676,7 @@ pushbytes(struct lpt_softc * sc)
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char ch;
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int port = sc->sc_port;
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lprintf("p");
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lprintf(("p"));
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/* loop for every character .. */
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while (sc->sc_xfercnt > 0) {
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/* printer data */
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@ -751,16 +754,16 @@ lptwrite(dev_t dev, struct uio * uio, int ioflag)
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uiomove(sc->sc_cp, n, uio);
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sc->sc_xfercnt = n ;
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while ((sc->sc_xfercnt > 0)&&(sc->sc_irq & LP_USE_IRQ)) {
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lprintf("i");
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lprintf(("i"));
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/* if the printer is ready for a char, */
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/* give it one */
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if ((sc->sc_state & OBUSY) == 0){
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lprintf("\nC %d. ", sc->sc_xfercnt);
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lprintf(("\nC %d. ", sc->sc_xfercnt));
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pl = spltty();
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lptintr(sc - lpt_sc);
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(void) splx(pl);
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}
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lprintf("W ");
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lprintf(("W "));
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if (sc->sc_state & OBUSY)
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if ((err = tsleep ((caddr_t)sc,
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LPPRI|PCATCH, "lpwrite", 0))) {
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@ -770,7 +773,7 @@ lptwrite(dev_t dev, struct uio * uio, int ioflag)
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}
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/* check to see if we must do a polled write */
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if(!(sc->sc_irq & LP_USE_IRQ) && (sc->sc_xfercnt)) {
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lprintf("p");
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lprintf(("p"));
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if((err = pushbytes(sc)))
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return(err);
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}
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@ -816,7 +819,7 @@ lptintr(int unit)
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if (sc->sc_xfercnt) {
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/* send char */
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/*lprintf("%x ", *sc->sc_cp); */
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/*lprintf(("%x ", *sc->sc_cp)); */
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outb(port+lpt_data, *sc->sc_cp++) ;
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outb(port+lpt_control, sc->sc_control|LPC_STB);
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/* DELAY(X) */
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@ -833,7 +836,7 @@ lptintr(int unit)
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sc->sc_state &= ~OBUSY;
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if(!(sc->sc_state & INTERRUPTED))
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wakeup((caddr_t)sc);
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lprintf("w ");
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lprintf(("w "));
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return;
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} else { /* check for error */
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if(((sts & (LPS_NERR | LPS_OUT) ) != LPS_NERR) &&
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@ -842,7 +845,7 @@ lptintr(int unit)
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/* lptout() will jump in and try to restart. */
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}
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#endif
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lprintf("sts %x ", sts);
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lprintf(("sts %x ", sts));
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}
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static int
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@ -1029,7 +1032,7 @@ lpioctl (struct ifnet *ifp, u_long cmd, caddr_t data)
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break;
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default:
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lprintf("LP:ioctl(0x%lx)\n", cmd);
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lprintf(("LP:ioctl(0x%lx)\n", cmd));
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return EINVAL;
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}
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return 0;
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@ -1126,7 +1129,7 @@ lpintr (int unit)
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sc->sc_iferrs = 0;
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if (IF_QFULL(&ipintrq)) {
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lprintf("DROP");
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lprintf(("DROP"));
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IF_DROP(&ipintrq);
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goto done;
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}
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@ -1175,7 +1178,7 @@ lpintr (int unit)
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sc->sc_iferrs = 0;
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if (IF_QFULL(&ipintrq)) {
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lprintf("DROP");
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lprintf(("DROP"));
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IF_DROP(&ipintrq);
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goto done;
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}
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@ -1197,7 +1200,7 @@ lpintr (int unit)
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err:
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outb(lpt_data_port, 0);
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lprintf("R");
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lprintf(("R"));
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sc->sc_if.if_ierrors++;
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sc->sc_iferrs++;
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@ -1263,7 +1266,7 @@ lpoutput (struct ifnet *ifp, struct mbuf *m,
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if (ifp->if_flags & IFF_LINK0) {
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if (!(inb(lpt_stat_port) & CLPIP_SHAKE)) {
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lprintf("&");
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lprintf(("&"));
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lptintr(ifp->if_unit);
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}
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@ -1323,7 +1326,7 @@ lpoutput (struct ifnet *ifp, struct mbuf *m,
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nend:
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if (err) { /* if we didn't timeout... */
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ifp->if_oerrors++;
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lprintf("X");
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lprintf(("X"));
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} else {
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ifp->if_opackets++;
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ifp->if_obytes += m->m_pkthdr.len;
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@ -1332,7 +1335,7 @@ lpoutput (struct ifnet *ifp, struct mbuf *m,
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m_freem(m);
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if (!(inb(lpt_stat_port) & CLPIP_SHAKE)) {
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lprintf("^");
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lprintf(("^"));
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lptintr(ifp->if_unit);
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}
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(void) splx(s);
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@ -1340,7 +1343,7 @@ lpoutput (struct ifnet *ifp, struct mbuf *m,
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}
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if (inb(lpt_stat_port) & LPIP_SHAKE) {
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lprintf("&");
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lprintf(("&"));
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lptintr(ifp->if_unit);
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}
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@ -1365,7 +1368,7 @@ lpoutput (struct ifnet *ifp, struct mbuf *m,
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if (err) { /* if we didn't timeout... */
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ifp->if_oerrors++;
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lprintf("X");
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lprintf(("X"));
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} else {
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ifp->if_opackets++;
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ifp->if_obytes += m->m_pkthdr.len;
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@ -1393,7 +1396,7 @@ lpoutput (struct ifnet *ifp, struct mbuf *m,
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m_freem(m);
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if (inb(lpt_stat_port) & LPIP_SHAKE) {
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lprintf("^");
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lprintf(("^"));
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lptintr(ifp->if_unit);
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}
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