2 * Copyright (c) 2001 Brian Somers <brian@Awfulhak.org>
3 * based on work by Slawa Olhovchenkov
4 * John Prince <johnp@knight-trosoft.com>
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * Figure out what the con bios stuff is supposed to do
35 * Test with *LOTS* more cards - I only have a PCI8r and an ISA Xem.
38 #include "opt_compat.h"
40 #include <sys/param.h>
41 #include <sys/systm.h>
44 #include <sys/linker.h>
45 #include <sys/kernel.h>
47 #include <sys/malloc.h>
48 #include <sys/module.h>
50 #include <sys/syslog.h>
51 #include <sys/fcntl.h>
52 #include <sys/serial.h>
54 #include <machine/resource.h>
56 #include <sys/digiio.h>
57 #include <dev/digi/digireg.h>
58 #include <dev/digi/digi.h>
59 #include <dev/digi/digi_mod.h>
60 #include <dev/digi/digi_pci.h>
62 static t_open_t digiopen;
63 static d_open_t digicopen;
64 static d_close_t digicclose;
65 static t_ioctl_t digiioctl;
66 static d_ioctl_t digisioctl;
67 static d_ioctl_t digicioctl;
69 static void digistop(struct tty *tp, int rw);
70 static void digibreak(struct tty *tp, int brk);
71 static int digimodem(struct tty *tp, int sigon, int sigoff);
72 static void digi_poll(void *ptr);
73 static void digi_freemoduledata(struct digi_softc *);
74 static void fepcmd(struct digi_p *port, int cmd, int op, int ncmds);
75 static void digistart(struct tty *tp);
76 static int digiparam(struct tty *tp, struct termios *t);
77 static void digiclose(struct tty *tp);
78 static void digi_intr(void *);
79 static int digi_init(struct digi_softc *_sc);
80 static int digi_loadmoduledata(struct digi_softc *);
81 static int digi_inuse(struct digi_softc *);
82 static void digi_free_state(struct digi_softc *);
84 #define fepcmd_b(port, cmd, op1, op2, ncmds) \
85 fepcmd(port, cmd, (op2 << 8) | op1, ncmds)
86 #define fepcmd_w fepcmd
89 struct con_bios *next;
94 static struct con_bios *con_bios_list;
95 devclass_t digi_devclass;
96 static char driver_name[] = "digi";
97 unsigned digi_debug = 0;
99 static struct speedtab digispeedtab[] = {
100 { 0, 0}, /* old (sysV-like) Bx codes */
116 { 57600, (02000 | 1)},
117 { 76800, (02000 | 2)},
118 { 115200, (02000 | 3)},
119 { 230400, (02000 | 6)},
123 const struct digi_control_signals digi_xixe_signals = {
124 0x02, 0x08, 0x10, 0x20, 0x40, 0x80
127 const struct digi_control_signals digi_normal_signals = {
128 0x02, 0x80, 0x20, 0x10, 0x40, 0x01
131 static struct cdevsw digi_csw = {
132 .d_version = D_VERSION,
134 .d_close = digicclose,
135 .d_ioctl = digicioctl,
136 .d_name = driver_name,
137 .d_flags = D_TTY | D_NEEDGIANT,
143 struct digi_softc *sc;
145 sc = (struct digi_softc *)ptr;
146 callout_handle_init(&sc->callout);
148 sc->callout = timeout(digi_poll, sc, (hz >= 200) ? hz / 100 : 1);
152 digi_int_test(void *v)
154 struct digi_softc *sc = v;
156 callout_handle_init(&sc->inttest);
157 #ifdef DIGI_INTERRUPT
158 if (sc->intr_timestamp.tv_sec || sc->intr_timestamp.tv_usec) {
162 log(LOG_ERR, "digi%d: Interrupt didn't work, use polled mode\n", unit);
164 sc->callout = timeout(digi_poll, sc, (hz >= 200) ? hz / 100 : 1);
168 digi_freemoduledata(struct digi_softc *sc)
170 if (sc->fep.data != NULL) {
171 free(sc->fep.data, M_TTYS);
174 if (sc->link.data != NULL) {
175 free(sc->link.data, M_TTYS);
176 sc->link.data = NULL;
178 if (sc->bios.data != NULL) {
179 free(sc->bios.data, M_TTYS);
180 sc->bios.data = NULL;
185 digi_bcopy(const void *vfrom, void *vto, size_t sz)
187 volatile const char *from = (volatile const char *)vfrom;
188 volatile char *to = (volatile char *)vto;
191 for (i = 0; i < sz; i++)
194 from = (const volatile char *)vfrom;
195 to = (volatile char *)vto;
196 for (i = 0; i < sz; i++)
197 if (*to++ != *from++)
203 digi_delay(struct digi_softc *sc, const char *txt, u_long timo)
206 DELAY(timo * 1000000 / hz);
208 tsleep(sc, PUSER | PCATCH, txt, timo);
212 digi_init(struct digi_softc *sc)
218 volatile struct board_chan *bc;
223 if (sc->status == DIGI_STATUS_DISABLED) {
224 log(LOG_ERR, "digi%d: Cannot init a disabled card\n",
228 if (sc->bios.data == NULL) {
229 log(LOG_ERR, "digi%d: Cannot init without BIOS\n",
234 if (sc->link.data == NULL && sc->model >= PCCX) {
235 log(LOG_ERR, "digi%d: Cannot init without link info\n",
240 if (sc->fep.data == NULL) {
241 log(LOG_ERR, "digi%d: Cannot init without fep code\n",
245 sc->status = DIGI_STATUS_NOTINIT;
249 * We're re-initialising - maybe because someone's attached
250 * another port module. For now, we just re-initialise
259 ptr = sc->setwin(sc, MISCGLOBAL);
260 for (i = 0; i < 16; i += 2)
265 outb(sc->wport, 0xff); /* window 7 */
266 ptr = sc->vmem + (BIOSCODE & 0x1fff);
268 if (!digi_bcopy(sc->bios.data, ptr, sc->bios.size)) {
269 device_printf(sc->dev, "BIOS upload failed\n");
273 outb(sc->port, FEPCLR);
279 ptr = sc->setwin(sc, BIOSCODE + ((0xf000 - sc->mem_seg) << 4));
280 if (!digi_bcopy(sc->bios.data, ptr, sc->bios.size)) {
281 device_printf(sc->dev, "BIOS upload failed\n");
292 outb(sc->port, FEPRST | FEPMEM);
294 for (i = 0; ((sc->pcibus ? PCIPORT : inb(sc->port)) &
295 FEPMASK) != FEPRST; i++) {
297 log(LOG_ERR, "digi%d: %s init reset failed\n",
298 sc->res.unit, sc->name);
301 digi_delay(sc, "digiinit0", 5);
303 DLOG(DIGIDB_INIT, (sc->dev, "Got init reset after %d us\n", i));
305 /* Now upload the BIOS */
306 cnt = (sc->bios.size < sc->win_size - BIOSOFFSET) ?
307 sc->bios.size : sc->win_size - BIOSOFFSET;
309 ptr = sc->setwin(sc, BIOSOFFSET);
310 if (!digi_bcopy(sc->bios.data, ptr, cnt)) {
311 device_printf(sc->dev, "BIOS upload (1) failed\n");
315 if (cnt != sc->bios.size) {
316 /* and the second part */
317 ptr = sc->setwin(sc, sc->win_size);
318 if (!digi_bcopy(sc->bios.data + cnt, ptr,
319 sc->bios.size - cnt)) {
320 device_printf(sc->dev, "BIOS upload failed\n");
325 ptr = sc->setwin(sc, 0);
326 vW(ptr + 0) = 0x0401;
327 vW(ptr + 2) = 0x0bf0;
328 vW(ptr + 4) = 0x0000;
329 vW(ptr + 6) = 0x0000;
334 DLOG(DIGIDB_INIT, (sc->dev, "BIOS uploaded\n"));
336 ptr = sc->setwin(sc, MISCGLOBAL);
342 } else if (sc->model == PCXEVE) {
343 outb(sc->port, FEPCLR);
346 outb(sc->port, FEPCLR | FEPMEM);
347 resp = FEPRST | FEPMEM;
350 for (i = 0; ((sc->pcibus ? PCIPORT : inb(sc->port)) & FEPMASK)
353 log(LOG_ERR, "digi%d: BIOS start failed\n",
357 digi_delay(sc, "digibios0", 5);
360 DLOG(DIGIDB_INIT, (sc->dev, "BIOS started after %d us\n", i));
362 for (i = 0; vW(ptr) != *(u_short *)"GD"; i++) {
364 log(LOG_ERR, "digi%d: BIOS boot failed "
365 "(0x%02x != 0x%02x)\n",
366 sc->res.unit, vW(ptr), *(u_short *)"GD");
369 digi_delay(sc, "digibios1", 5);
372 DLOG(DIGIDB_INIT, (sc->dev, "BIOS booted after %d iterations\n", i));
374 if (sc->link.data != NULL) {
375 DLOG(DIGIDB_INIT, (sc->dev, "Loading link data\n"));
376 ptr = sc->setwin(sc, 0xcd0);
377 digi_bcopy(sc->link.data, ptr, 21); /* XXX 21 ? */
386 ptr = sc->setwin(sc, sc->model == PCXI ? 0x2000 : 0x0);
387 digi_bcopy(sc->fep.data, ptr, sc->fep.size);
389 /* A BIOS request to move our data to 0x2000 */
390 ptr = sc->setwin(sc, MBOX);
392 vW(ptr + 2) = sc->mem_seg + FEPCODESEG;
394 vW(ptr + 6) = FEPCODESEG;
396 vW(ptr + 10) = sc->fep.size;
398 /* Run the BIOS request */
399 outb(sc->port, FEPREQ | FEPMEM);
400 outb(sc->port, FEPCLR | FEPMEM);
402 for (i = 0; W(ptr); i++) {
404 log(LOG_ERR, "digi%d: FEP/OS move failed\n",
409 digi_delay(sc, "digifep0", 5);
412 (sc->dev, "FEP/OS moved after %d iterations\n", i));
414 /* Clear the confirm word */
415 ptr = sc->setwin(sc, FEPSTAT);
418 /* A BIOS request to execute the FEP/OS */
419 ptr = sc->setwin(sc, MBOX);
421 vW(ptr + 2) = FEPCODESEG;
424 /* Run the BIOS request */
425 outb(sc->port, FEPREQ);
426 outb(sc->port, FEPCLR);
428 ptr = sc->setwin(sc, FEPSTAT);
435 DLOG(DIGIDB_INIT, (sc->dev, "Loading FEP/OS\n"));
437 cnt = (sc->fep.size < sc->win_size - BIOSOFFSET) ?
438 sc->fep.size : sc->win_size - BIOSOFFSET;
440 ptr = sc->setwin(sc, BIOSOFFSET);
441 digi_bcopy(sc->fep.data, ptr, cnt);
443 if (cnt != sc->fep.size) {
444 ptr = sc->setwin(sc, BIOSOFFSET + cnt);
445 digi_bcopy(sc->fep.data + cnt, ptr,
449 DLOG(DIGIDB_INIT, (sc->dev, "FEP/OS loaded\n"));
451 ptr = sc->setwin(sc, 0xc30);
457 /* Clear the confirm word */
458 ptr = sc->setwin(sc, FEPSTAT);
462 outb(sc->port, 0); /* XXX necessary ? */
467 ptr = sc->setwin(sc, 0xd000);
468 digi_bcopy(sc->fep.data, ptr, sc->fep.size);
470 /* A BIOS request to execute the FEP/OS */
471 ptr = sc->setwin(sc, 0xc40);
473 W(ptr + 2) = FEPCODE >> 4;
476 /* Clear the confirm word */
477 ptr = sc->setwin(sc, FEPSTAT);
480 /* Run the BIOS request */
481 outb(sc->port, FEPREQ | FEPMEM); /* send interrupt to BIOS */
482 outb(sc->port, FEPCLR | FEPMEM);
486 /* Now wait 'till the FEP/OS has booted */
487 for (i = 0; vW(ptr) != *(u_short *)"OS"; i++) {
489 log(LOG_ERR, "digi%d: FEP/OS start failed "
490 "(0x%02x != 0x%02x)\n",
491 sc->res.unit, vW(ptr), *(u_short *)"OS");
495 digi_delay(sc, "digifep1", 5);
498 DLOG(DIGIDB_INIT, (sc->dev, "FEP/OS started after %d iterations\n", i));
500 if (sc->model >= PCXEM) {
501 ptr = sc->setwin(sc, 0xe04);
503 ptr = sc->setwin(sc, 0xc02);
504 sc->numports = vW(ptr);
506 ptr = sc->setwin(sc, 0xc22);
507 sc->numports = vW(ptr);
510 if (sc->numports == 0) {
511 device_printf(sc->dev, "%s, 0 ports found\n", sc->name);
516 device_printf(sc->dev, "%s, %d ports found\n", sc->name, sc->numports);
519 free(sc->ports, M_TTYS);
520 sc->ports = malloc(sizeof(struct digi_p) * sc->numports,
521 M_TTYS, M_WAITOK | M_ZERO);
524 * XXX Should read port 0xc90 for an array of 2byte values, 1 per
525 * port. If the value is 0, the port is broken....
528 ptr = sc->setwin(sc, 0);
530 /* We should now init per-port structures */
531 bc = (volatile struct board_chan *)(ptr + CHANSTRUCT);
532 sc->gdata = (volatile struct global_data *)(ptr + FEP_GLOBAL);
534 sc->memcmd = ptr + sc->gdata->cstart;
535 sc->memevent = ptr + sc->gdata->istart;
537 for (i = 0; i < sc->numports; i++, bc++) {
538 port = sc->ports + i;
541 port->status = ENABLED;
543 tp = port->tp = ttyalloc();
544 tp->t_oproc = digistart;
545 tp->t_param = digiparam;
546 tp->t_modem = digimodem;
547 tp->t_break = digibreak;
548 tp->t_stop = digistop;
549 tp->t_cioctl = digisioctl;
550 tp->t_ioctl = digiioctl;
551 tp->t_open = digiopen;
552 tp->t_close = digiclose;
555 if (sc->model == PCXEVE) {
557 (((bc->tseg - sc->mem_seg) << 4) & 0x1fff);
559 (((bc->rseg - sc->mem_seg) << 4) & 0x1fff);
560 port->txwin = FEPWIN | ((bc->tseg - sc->mem_seg) >> 9);
561 port->rxwin = FEPWIN | ((bc->rseg - sc->mem_seg) >> 9);
562 } else if (sc->model == PCXI || sc->model == PCXE) {
563 port->txbuf = ptr + ((bc->tseg - sc->mem_seg) << 4);
564 port->rxbuf = ptr + ((bc->rseg - sc->mem_seg) << 4);
565 port->txwin = port->rxwin = 0;
568 (((bc->tseg - sc->mem_seg) << 4) % sc->win_size);
570 (((bc->rseg - sc->mem_seg) << 4) % sc->win_size);
571 port->txwin = FEPWIN |
572 (((bc->tseg - sc->mem_seg) << 4) / sc->win_size);
573 port->rxwin = FEPWIN |
574 (((bc->rseg - sc->mem_seg) << 4) / sc->win_size);
576 port->txbufsize = bc->tmax + 1;
577 port->rxbufsize = bc->rmax + 1;
579 lowwater = port->txbufsize >> 2;
583 fepcmd_w(port, STXLWATER, lowwater, 10);
584 fepcmd_w(port, SRXLWATER, port->rxbufsize >> 2, 10);
585 fepcmd_w(port, SRXHWATER, (3 * port->rxbufsize) >> 2, 10);
589 ttyinitmode(tp, 0, 0);
590 port->send_ring = 1; /* Default action on signal RI */
591 ttycreate(tp, TS_CALLOUT, "D%r%r", sc->res.unit, i);
595 sc->inttest = timeout(digi_int_test, sc, hz);
596 /* fepcmd_w(&sc->ports[0], 0xff, 0, 0); */
597 sc->status = DIGI_STATUS_ENABLED;
603 digimodem(struct tty *tp, int sigon, int sigoff)
605 struct digi_softc *sc;
607 int bitand, bitor, mstat;
612 if (sigon == 0 && sigoff == 0) {
613 port->sc->setwin(port->sc, 0);
614 mstat = port->bc->mstat;
615 port->sc->hidewin(port->sc);
616 if (mstat & port->sc->csigs->rts)
618 if (mstat & port->cd)
620 if (mstat & port->dsr)
622 if (mstat & port->sc->csigs->cts)
624 if (mstat & port->sc->csigs->ri)
626 if (mstat & port->sc->csigs->dtr)
634 if (sigoff & SER_DTR)
635 bitand |= port->sc->csigs->dtr;
636 if (sigoff & SER_RTS)
637 bitand |= port->sc->csigs->rts;
639 bitor |= port->sc->csigs->dtr;
641 bitor |= port->sc->csigs->rts;
642 fepcmd_b(port, SETMODEM, bitor, ~bitand, 0);
647 digicopen(struct cdev *dev, int flag, int mode, struct thread *td)
649 struct digi_softc *sc;
652 if (sc->status != DIGI_STATUS_ENABLED) {
653 DLOG(DIGIDB_OPEN, (sc->dev, "Cannot open a disabled card\n"));
661 digiopen(struct tty *tp, struct cdev *dev)
664 struct digi_softc *sc;
666 volatile struct board_chan *bc;
671 if (sc->status != DIGI_STATUS_ENABLED) {
672 DLOG(DIGIDB_OPEN, (sc->dev, "Cannot open a disabled card\n"));
678 * The device isn't open, so there are no conflicts.
679 * Initialize it. Initialization is done twice in many
680 * cases: to preempt sleeping callin opens if we are callout,
681 * and to complete a callin open after DCD rises.
685 bc->rout = bc->rin; /* clear input queue */
689 bc->mint = port->cd | port->sc->csigs->ri;
692 port->cd = sc->csigs->dsr;
693 port->dsr = sc->csigs->cd;
695 port->cd = sc->csigs->cd;
696 port->dsr = sc->csigs->dsr;
698 tp->t_wopeners++; /* XXX required ? */
699 error = digiparam(tp, &tp->t_termios);
706 digicclose(struct cdev *dev, int flag, int mode, struct thread *td)
708 struct digi_softc *sc;
716 digidtrwakeup(void *chan)
718 struct digi_p *port = chan;
720 port->status &= ~DIGI_DTR_OFF;
721 wakeup(&port->tp->t_dtr_wait);
722 port->tp->t_wopeners--;
726 digiclose(struct tty *tp)
728 volatile struct board_chan *bc;
736 port->sc->setwin(port->sc, 0);
741 if ((tp->t_cflag & HUPCL) ||
742 (!tp->t_actout && !(bc->mstat & port->cd) &&
743 !(tp->t_init_in.c_cflag & CLOCAL)) ||
744 !(tp->t_state & TS_ISOPEN)) {
745 digimodem(tp, 0, SER_DTR | SER_RTS);
746 if (tp->t_dtr_wait != 0) {
747 /* Schedule a wakeup of any callin devices */
749 timeout(&digidtrwakeup, port, tp->t_dtr_wait);
750 port->status |= DIGI_DTR_OFF;
753 tp->t_actout = FALSE;
754 wakeup(&tp->t_actout);
755 wakeup(TSA_CARR_ON(tp));
760 * Load module "digi_<mod>.ko" and look for a symbol called digi_mod_<mod>.
762 * Populate sc->bios, sc->fep, and sc->link from this data.
764 * sc->fep.data, sc->bios.data and sc->link.data are malloc()d according
765 * to their respective sizes.
767 * The module is unloaded when we're done.
770 digi_loadmoduledata(struct digi_softc *sc)
772 struct digi_mod *digi_mod;
778 KASSERT(sc->bios.data == NULL, ("Uninitialised BIOS variable"));
779 KASSERT(sc->fep.data == NULL, ("Uninitialised FEP variable"));
780 KASSERT(sc->link.data == NULL, ("Uninitialised LINK variable"));
781 KASSERT(sc->module != NULL, ("Uninitialised module name"));
783 modlen = strlen(sc->module);
784 modfile = malloc(modlen + 6, M_TEMP, M_WAITOK);
785 snprintf(modfile, modlen + 6, "digi_%s", sc->module);
786 if ((res = linker_reference_module(modfile, NULL, &lf)) != 0)
787 printf("%s: Failed %d to autoload module\n", modfile, res);
788 free(modfile, M_TEMP);
792 sym = malloc(modlen + 10, M_TEMP, M_WAITOK);
793 snprintf(sym, modlen + 10, "digi_mod_%s", sc->module);
794 symptr = linker_file_lookup_symbol(lf, sym, 0);
796 if (symptr == NULL) {
797 printf("digi_%s.ko: Symbol `%s' not found\n", sc->module, sym);
798 linker_release_module(NULL, NULL, lf);
802 digi_mod = (struct digi_mod *)symptr;
803 if (digi_mod->dm_version != DIGI_MOD_VERSION) {
804 printf("digi_%s.ko: Invalid version %d (need %d)\n",
805 sc->module, digi_mod->dm_version, DIGI_MOD_VERSION);
806 linker_release_module(NULL, NULL, lf);
810 sc->bios.size = digi_mod->dm_bios.size;
811 if (sc->bios.size != 0 && digi_mod->dm_bios.data != NULL) {
812 sc->bios.data = malloc(sc->bios.size, M_TTYS, M_WAITOK);
813 bcopy(digi_mod->dm_bios.data, sc->bios.data, sc->bios.size);
816 sc->fep.size = digi_mod->dm_fep.size;
817 if (sc->fep.size != 0 && digi_mod->dm_fep.data != NULL) {
818 sc->fep.data = malloc(sc->fep.size, M_TTYS, M_WAITOK);
819 bcopy(digi_mod->dm_fep.data, sc->fep.data, sc->fep.size);
822 sc->link.size = digi_mod->dm_link.size;
823 if (sc->link.size != 0 && digi_mod->dm_link.data != NULL) {
824 sc->link.data = malloc(sc->link.size, M_TTYS, M_WAITOK);
825 bcopy(digi_mod->dm_link.data, sc->link.data, sc->link.size);
828 linker_release_module(NULL, NULL, lf);
834 digisioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td)
837 struct digi_softc *sc;
843 case DIGIIO_GETALTPIN:
845 *(int *)data = port->ialtpin;
846 else if (ISLOCK(dev))
847 *(int *)data = port->laltpin;
851 case DIGIIO_SETALTPIN:
853 if (!port->laltpin) {
854 port->ialtpin = !!*(int *)data;
855 DLOG(DIGIDB_SET, (sc->dev,
856 "port%d: initial ALTPIN %s\n", port->pnum,
857 port->ialtpin ? "set" : "cleared"));
859 } else if (ISLOCK(dev)) {
860 port->laltpin = !!*(int *)data;
861 DLOG(DIGIDB_SET, (sc->dev,
862 "port%d: ALTPIN %slocked\n",
863 port->pnum, port->laltpin ? "" : "un"));
874 digicioctl(struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td)
877 struct digi_softc *sc;
881 if (sc->status == DIGI_STATUS_DISABLED)
887 digi_debug = *(int *)data;
890 device_printf(sc->dev, "DEBUG not defined\n");
894 digi_loadmoduledata(sc);
895 error = digi_init(sc);
896 digi_freemoduledata(sc);
900 *(enum digi_model *)data = sc->model;
904 return (copyout(sc->name, *(char **)data,
905 strlen(sc->name) + 1));
912 digiioctl(struct tty *tp, u_long cmd, void *data, int flag, struct thread *td)
914 struct digi_softc *sc;
916 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
917 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
923 if (sc->status == DIGI_STATUS_DISABLED)
926 if (!(port->status & ENABLED))
930 case DIGIIO_GETALTPIN:
931 *(int *)data = !!(port->dsr == sc->csigs->cd);
934 case DIGIIO_SETALTPIN:
935 if (!port->laltpin) {
937 DLOG(DIGIDB_SET, (sc->dev,
938 "port%d: ALTPIN set\n", port->pnum));
939 port->cd = sc->csigs->dsr;
940 port->dsr = sc->csigs->cd;
942 DLOG(DIGIDB_SET, (sc->dev,
943 "port%d: ALTPIN cleared\n", port->pnum));
944 port->cd = sc->csigs->cd;
945 port->dsr = sc->csigs->dsr;
949 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
950 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
952 ival = IOCPARM_IVAL(data);
957 port->send_ring = (u_char)*(int *)data;
966 digibreak(struct tty *tp, int brk)
973 * now it sends 400 millisecond break because I don't know
974 * how to send an infinite break
977 fepcmd_w(port, SENDBREAK, 400, 10);
981 digiparam(struct tty *tp, struct termios *t)
983 struct digi_softc *sc;
993 DLOG(DIGIDB_SET, (sc->dev, "port%d: setting parameters\n", port->pnum));
995 if (t->c_ispeed == 0)
996 t->c_ispeed = t->c_ospeed;
998 cflag = ttspeedtab(t->c_ospeed, digispeedtab);
1000 if (cflag < 0 || (cflag > 0 && t->c_ispeed != t->c_ospeed))
1005 window = sc->window;
1008 if (cflag == 0) { /* hangup */
1009 DLOG(DIGIDB_SET, (sc->dev, "port%d: hangup\n", port->pnum));
1010 digimodem(port->tp, 0, SER_DTR | SER_RTS);
1012 digimodem(port->tp, SER_DTR | SER_RTS, 0);
1014 DLOG(DIGIDB_SET, (sc->dev, "port%d: CBAUD = %d\n", port->pnum,
1018 /* convert flags to sysV-style values */
1019 if (t->c_cflag & PARODD)
1021 if (t->c_cflag & PARENB)
1023 if (t->c_cflag & CSTOPB)
1026 /* convert flags to sysV-style values */
1027 if (t->c_cflag & PARODD)
1028 cflag |= FEP_PARODD;
1029 if (t->c_cflag & PARENB)
1030 cflag |= FEP_PARENB;
1031 if (t->c_cflag & CSTOPB)
1032 cflag |= FEP_CSTOPB;
1033 if (t->c_cflag & CLOCAL)
1034 cflag |= FEP_CLOCAL;
1037 cflag |= (t->c_cflag & CSIZE) >> 4;
1038 DLOG(DIGIDB_SET, (sc->dev, "port%d: CFLAG = 0x%x\n", port->pnum,
1040 fepcmd_w(port, SETCFLAGS, (unsigned)cflag, 0);
1044 t->c_iflag & (IGNBRK | BRKINT | IGNPAR | PARMRK | INPCK | ISTRIP);
1045 if (port->c_iflag & IXON)
1047 if (port->c_iflag & IXANY)
1049 if (port->c_iflag & IXOFF)
1052 DLOG(DIGIDB_SET, (sc->dev, "port%d: set iflag = 0x%x\n", port->pnum, iflag));
1053 fepcmd_w(port, SETIFLAGS, (unsigned)iflag, 0);
1056 if (t->c_cflag & CDTR_IFLOW)
1057 hflow |= sc->csigs->dtr;
1058 if (t->c_cflag & CRTS_IFLOW)
1059 hflow |= sc->csigs->rts;
1060 if (t->c_cflag & CCTS_OFLOW)
1061 hflow |= sc->csigs->cts;
1062 if (t->c_cflag & CDSR_OFLOW)
1064 if (t->c_cflag & CCAR_OFLOW)
1067 DLOG(DIGIDB_SET, (sc->dev, "port%d: set hflow = 0x%x\n", port->pnum, hflow));
1068 fepcmd_w(port, SETHFLOW, 0xff00 | (unsigned)hflow, 0);
1070 DLOG(DIGIDB_SET, (sc->dev, "port%d: set startc(0x%x), stopc(0x%x)\n",
1071 port->pnum, t->c_cc[VSTART], t->c_cc[VSTOP]));
1072 fepcmd_b(port, SONOFFC, t->c_cc[VSTART], t->c_cc[VSTOP], 0);
1074 if (sc->window != 0)
1077 sc->towin(sc, window);
1086 struct digi_p *port;
1088 struct digi_softc *sc;
1090 volatile struct board_chan *bc;
1104 if (sc->status != DIGI_STATUS_ENABLED) {
1105 DLOG(DIGIDB_IRQ, (sc->dev, "interrupt on disabled board !\n"));
1109 #ifdef DIGI_INTERRUPT
1110 microtime(&sc->intr_timestamp);
1113 window = sc->window;
1116 if (sc->model >= PCXEM && W(sc->vmem + 0xd00)) {
1117 struct con_bios *con = con_bios_list;
1118 register u_char *ptr;
1120 ptr = sc->vmem + W(sc->vmem + 0xd00);
1122 if (ptr[1] && W(ptr + 2) == W(con->bios + 2))
1123 /* Not first block -- exact match */
1126 if (W(ptr + 4) >= W(con->bios + 4) &&
1127 W(ptr + 4) <= W(con->bios + 6))
1128 /* Initial search concetrator BIOS */
1133 log(LOG_ERR, "digi%d: wanted bios LREV = 0x%04x"
1134 " not found!\n", sc->res.unit, W(ptr + 4));
1136 W(sc->vmem + 0xd00) = 0;
1140 W(ptr + 4) = W(cxcon + 4);
1141 W(ptr + 6) = W(cxcon + 6);
1143 W(ptr + 2) = W(cxcon + 2);
1144 W(ptr + 8) = (ptr[1] << 6) + W(cxcon + 8);
1145 size = W(cxcon + 10) - (ptr[1] << 10);
1147 W(ptr + 8) = W(cxcon + 8);
1153 bcopy(cxcon + (ptr[1] << 10), ptr + 12, size);
1155 W(sc->vmem + 0xd00) = 0;
1159 ehead = sc->gdata->ein;
1160 etail = sc->gdata->eout;
1161 if (ehead == etail) {
1164 if (sc->intr_count % 6000 == 0) {
1165 DLOG(DIGIDB_IRQ, (sc->dev,
1166 "6000 useless polls %x %x\n", ehead, etail));
1172 while (ehead != etail) {
1173 event = *(volatile struct event *)(sc->memevent + etail);
1175 etail = (etail + 4) & sc->gdata->imax;
1177 if (event.pnum >= sc->numports) {
1178 log(LOG_ERR, "digi%d: port %d: got event"
1179 " on nonexisting port\n", sc->res.unit,
1183 port = &sc->ports[event.pnum];
1187 if (!(tp->t_state & TS_ISOPEN) && !tp->t_wopeners) {
1188 DLOG(DIGIDB_IRQ, (sc->dev,
1189 "port %d: event 0x%x on closed port\n",
1190 event.pnum, event.event));
1198 if (event.event & ~ALL_IND)
1199 log(LOG_ERR, "digi%d: port%d: ? event 0x%x mstat 0x%x"
1200 " lstat 0x%x\n", sc->res.unit, event.pnum,
1201 event.event, event.mstat, event.lstat);
1203 if (event.event & DATA_IND) {
1204 DLOG(DIGIDB_IRQ, (sc->dev, "port %d: DATA_IND\n",
1206 wrapmask = port->rxbufsize - 1;
1211 if (!(tp->t_state & TS_ISOPEN)) {
1215 while (head != tail) {
1218 DLOG(DIGIDB_INT, (sc->dev,
1219 "port %d: p rx head = %d tail = %d\n",
1220 event.pnum, head, tail));
1221 top = (head > tail) ? head : wrapmask + 1;
1222 sc->towin(sc, port->rxwin);
1224 if (tp->t_state & TS_CAN_BYPASS_L_RINT) {
1225 size = b_to_q((char *)port->rxbuf +
1226 tail, size, &tp->t_rawq);
1229 } else for (; tail < top;) {
1230 ttyld_rint(tp, port->rxbuf[tail]);
1231 sc->towin(sc, port->rxwin);
1234 if (tp->t_state & TS_TBLOCK)
1246 CE_RECORD(port, CE_OVERRUN);
1247 log(LOG_ERR, "digi%d: port%d: %s\n",
1248 sc->res.unit, event.pnum,
1249 digi_errortxt(CE_OVERRUN));
1254 tp->t_state |= TS_TBLOCK;
1255 port->status |= PAUSE_RX;
1256 DLOG(DIGIDB_RX, (sc->dev, "port %d: pause RX\n",
1263 if (event.event & MODEMCHG_IND) {
1264 DLOG(DIGIDB_MODEM, (sc->dev, "port %d: MODEMCHG_IND\n",
1267 if ((event.mstat ^ event.lstat) & port->cd) {
1269 ttyld_modem(tp, event.mstat & port->cd);
1271 wakeup(TSA_CARR_ON(tp));
1274 if (event.mstat & sc->csigs->ri) {
1275 DLOG(DIGIDB_RI, (sc->dev, "port %d: RING\n",
1277 if (port->send_ring) {
1278 ttyld_rint(tp, 'R');
1279 ttyld_rint(tp, 'I');
1280 ttyld_rint(tp, 'N');
1281 ttyld_rint(tp, 'G');
1282 ttyld_rint(tp, '\r');
1283 ttyld_rint(tp, '\n');
1287 if (event.event & BREAK_IND) {
1288 DLOG(DIGIDB_MODEM, (sc->dev, "port %d: BREAK_IND\n",
1290 ttyld_rint(tp, TTY_BI);
1292 if (event.event & (LOWTX_IND | EMPTYTX_IND)) {
1293 DLOG(DIGIDB_IRQ, (sc->dev, "port %d:%s%s\n",
1295 event.event & LOWTX_IND ? " LOWTX" : "",
1296 event.event & EMPTYTX_IND ? " EMPTYTX" : ""));
1300 sc->gdata->eout = etail;
1302 if (sc->window != 0)
1305 sc->towin(sc, window);
1309 digistart(struct tty *tp)
1311 struct digi_p *port;
1312 struct digi_softc *sc;
1313 volatile struct board_chan *bc;
1315 int size, ocount, totcnt = 0;
1323 wmask = port->txbufsize - 1;
1326 port->lcc = tp->t_outq.c_cc;
1328 if (!(tp->t_state & TS_TBLOCK)) {
1329 if (port->status & PAUSE_RX) {
1330 DLOG(DIGIDB_RX, (sc->dev, "port %d: resume RX\n",
1333 * CAREFUL - braces are needed here if the DLOG is
1337 port->status &= ~PAUSE_RX;
1340 if (!(tp->t_state & TS_TTSTOP) && port->status & PAUSE_TX) {
1341 DLOG(DIGIDB_TX, (sc->dev, "port %d: resume TX\n", port->pnum));
1342 port->status &= ~PAUSE_TX;
1343 fepcmd_w(port, RESUMETX, 0, 10);
1345 if (tp->t_outq.c_cc == 0)
1346 tp->t_state &= ~TS_BUSY;
1348 tp->t_state |= TS_BUSY;
1351 while (tp->t_outq.c_cc != 0) {
1353 DLOG(DIGIDB_INT, (sc->dev, "port%d: s tx head = %d tail = %d\n",
1354 port->pnum, head, tail));
1357 size = tail - head - 1;
1359 size = port->txbufsize - head;
1366 sc->towin(sc, port->txwin);
1367 ocount = q_to_b(&tp->t_outq, port->txbuf + head, size);
1376 port->lostcc = tp->t_outq.c_cc;
1379 size = port->txbufsize - tail + head;
1384 DLOG(DIGIDB_INT, (sc->dev, "port%d: s total cnt = %d\n", port->pnum, totcnt));
1390 digistop(struct tty *tp, int rw)
1392 struct digi_softc *sc;
1393 struct digi_p *port;
1398 DLOG(DIGIDB_TX, (sc->dev, "port %d: pause TX\n", port->pnum));
1399 port->status |= PAUSE_TX;
1400 fepcmd_w(port, PAUSETX, 0, 10);
1404 fepcmd(struct digi_p *port, int cmd, int op1, int ncmds)
1407 unsigned tail, head;
1410 mem = port->sc->memcmd;
1412 port->sc->setwin(port->sc, 0);
1414 head = port->sc->gdata->cin;
1415 mem[head + 0] = cmd;
1416 mem[head + 1] = port->pnum;
1417 *(u_short *)(mem + head + 2) = op1;
1419 head = (head + 4) & port->sc->gdata->cmax;
1420 port->sc->gdata->cin = head;
1422 for (count = FEPTIMEOUT; count > 0; count--) {
1423 head = port->sc->gdata->cin;
1424 tail = port->sc->gdata->cout;
1425 n = (head - tail) & port->sc->gdata->cmax;
1427 if (n <= ncmds * sizeof(short) * 4)
1431 log(LOG_ERR, "digi%d: port%d: timeout on FEP command\n",
1432 port->sc->res.unit, port->pnum);
1436 digi_errortxt(int id)
1438 static const char *error_desc[] = {
1440 "interrupt-level buffer overflow",
1441 "tty-level buffer overflow",
1444 KASSERT(id >= 0 && id < sizeof(error_desc) / sizeof(error_desc[0]),
1445 ("Unexpected digi error id %d\n", id));
1447 return (error_desc[id]);
1451 digi_attach(struct digi_softc *sc)
1453 sc->res.ctldev = make_dev(&digi_csw,
1454 sc->res.unit << 16, UID_ROOT, GID_WHEEL,
1455 0600, "digi%r.ctl", sc->res.unit);
1456 sc->res.ctldev->si_drv1 = sc;
1458 digi_loadmoduledata(sc);
1460 digi_freemoduledata(sc);
1466 digi_inuse(struct digi_softc *sc)
1469 struct digi_p *port;
1471 port = &sc->ports[0];
1472 for (i = 0; i < sc->numports; i++, port++)
1473 if (port->tp->t_state & TS_ISOPEN) {
1474 DLOG(DIGIDB_INIT, (sc->dev, "port%d: busy\n", i));
1476 } else if (port->tp->t_wopeners || port->opencnt) {
1477 DLOG(DIGIDB_INIT, (sc->dev, "port%d: blocked in open\n",
1485 digi_free_state(struct digi_softc *sc)
1489 /* Blow it all away */
1491 for (i = 0; i < sc->numports; i++)
1492 ttygone(sc->ports[i].tp);
1494 /* XXX: this might be better done as a ttypurge method */
1495 untimeout(digi_poll, sc, sc->callout);
1496 callout_handle_init(&sc->callout);
1497 untimeout(digi_int_test, sc, sc->inttest);
1498 callout_handle_init(&sc->inttest);
1500 for (i = 0; i < sc->numports; i++)
1501 ttyfree(sc->ports[i].tp);
1503 bus_teardown_intr(sc->dev, sc->res.irq, sc->res.irqHandler);
1504 #ifdef DIGI_INTERRUPT
1505 if (sc->res.irq != NULL) {
1506 bus_release_resource(dev, SYS_RES_IRQ, sc->res.irqrid,
1512 KASSERT(sc->ports, ("digi%d: Lost my ports ?", sc->res.unit));
1513 free(sc->ports, M_TTYS);
1518 sc->status = DIGI_STATUS_NOTINIT;
1522 digi_detach(device_t dev)
1524 struct digi_softc *sc = device_get_softc(dev);
1526 DLOG(DIGIDB_INIT, (sc->dev, "detaching\n"));
1528 /* If we're INIT'd, numports must be 0 */
1529 KASSERT(sc->numports == 0 || sc->status != DIGI_STATUS_NOTINIT,
1530 ("digi%d: numports(%d) & status(%d) are out of sync",
1531 sc->res.unit, sc->numports, (int)sc->status));
1536 digi_free_state(sc);
1538 destroy_dev(sc->res.ctldev);
1540 if (sc->res.mem != NULL) {
1541 bus_release_resource(dev, SYS_RES_MEMORY, sc->res.mrid,
1545 if (sc->res.io != NULL) {
1546 bus_release_resource(dev, SYS_RES_IOPORT, sc->res.iorid,
1555 digi_shutdown(device_t dev)
1560 MODULE_VERSION(digi, 1);