LCOV - code coverage report
Current view: top level - dev/pcmcia - com_pcmcia.c (source / functions) Hit Total Coverage
Test: 6.4 Lines: 0 131 0.0 %
Date: 2018-10-19 03:25:38 Functions: 0 8 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*      $OpenBSD: com_pcmcia.c,v 1.57 2017/12/30 20:46:59 guenther Exp $        */
       2             : /*      $NetBSD: com_pcmcia.c,v 1.15 1998/08/22 17:47:58 msaitoh Exp $  */
       3             : 
       4             : /*
       5             :  * Copyright (c) 1997 - 1999, Jason Downs.  All rights reserved.
       6             :  *
       7             :  * Redistribution and use in source and binary forms, with or without
       8             :  * modification, are permitted provided that the following conditions
       9             :  * are met:
      10             :  * 1. Redistributions of source code must retain the above copyright
      11             :  *    notice, this list of conditions and the following disclaimer.
      12             :  * 2. Redistributions in binary form must reproduce the above copyright
      13             :  *    notice, this list of conditions and the following disclaimer in the
      14             :  *    documentation and/or other materials provided with the distribution.
      15             :  * 3. Neither the name(s) of the author(s) nor the name OpenBSD
      16             :  *    may be used to endorse or promote products derived from this software
      17             :  *    without specific prior written permission.
      18             :  *
      19             :  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS
      20             :  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
      21             :  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
      22             :  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT,
      23             :  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
      24             :  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
      25             :  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
      26             :  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      27             :  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      28             :  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      29             :  * SUCH DAMAGE.
      30             :  */
      31             : /*-
      32             :  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      33             :  * All rights reserved.
      34             :  *
      35             :  * This code is derived from software contributed to The NetBSD Foundation
      36             :  * by Charles M. Hannum.
      37             :  *
      38             :  * Redistribution and use in source and binary forms, with or without
      39             :  * modification, are permitted provided that the following conditions
      40             :  * are met:
      41             :  * 1. Redistributions of source code must retain the above copyright
      42             :  *    notice, this list of conditions and the following disclaimer.
      43             :  * 2. Redistributions in binary form must reproduce the above copyright
      44             :  *    notice, this list of conditions and the following disclaimer in the
      45             :  *    documentation and/or other materials provided with the distribution.
      46             :  *
      47             :  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
      48             :  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
      49             :  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
      50             :  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
      51             :  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
      52             :  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
      53             :  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
      54             :  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
      55             :  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
      56             :  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
      57             :  * POSSIBILITY OF SUCH DAMAGE.
      58             :  */
      59             : 
      60             : /*-
      61             :  * Copyright (c) 1991 The Regents of the University of California.
      62             :  * All rights reserved.
      63             :  *
      64             :  * Redistribution and use in source and binary forms, with or without
      65             :  * modification, are permitted provided that the following conditions
      66             :  * are met:
      67             :  * 1. Redistributions of source code must retain the above copyright
      68             :  *    notice, this list of conditions and the following disclaimer.
      69             :  * 2. Redistributions in binary form must reproduce the above copyright
      70             :  *    notice, this list of conditions and the following disclaimer in the
      71             :  *    documentation and/or other materials provided with the distribution.
      72             :  * 3. Neither the name of the University nor the names of its contributors
      73             :  *    may be used to endorse or promote products derived from this software
      74             :  *    without specific prior written permission.
      75             :  *
      76             :  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
      77             :  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      78             :  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      79             :  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
      80             :  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
      81             :  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
      82             :  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      83             :  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      84             :  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      85             :  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      86             :  * SUCH DAMAGE.
      87             :  *
      88             :  *      @(#)com.c       7.5 (Berkeley) 5/16/91
      89             :  */
      90             : 
      91             : #include <sys/param.h>
      92             : #include <sys/systm.h>
      93             : #include <sys/ioctl.h>
      94             : #include <sys/selinfo.h>
      95             : #include <sys/tty.h>
      96             : #include <sys/conf.h>
      97             : #include <sys/uio.h>
      98             : #include <sys/kernel.h>
      99             : #include <sys/syslog.h>
     100             : #include <sys/device.h>
     101             : 
     102             : #include <machine/intr.h>
     103             : 
     104             : #include <dev/pcmcia/pcmciavar.h>
     105             : #include <dev/pcmcia/pcmciareg.h>
     106             : #include <dev/pcmcia/pcmciadevs.h>
     107             : 
     108             : #include "com.h"
     109             : 
     110             : #include <dev/ic/comreg.h>
     111             : #include <dev/ic/comvar.h>
     112             : #include <dev/ic/ns16550reg.h>
     113             : 
     114             : #include <dev/isa/isareg.h>
     115             : 
     116             : #define com_lcr         com_cfcr
     117             : 
     118             : /* Devices that we need to match by CIS strings */
     119             : struct com_pcmcia_product {
     120             :         char *cis1_info[4];
     121             : } com_pcmcia_prod[] = {
     122             :         { PCMCIA_CIS_MEGAHERTZ_XJ2288 },
     123             :         { PCMCIA_CIS_NOVATEL_NRM6831 },
     124             : };
     125             : 
     126             : int com_pcmcia_match(struct device *, void *, void *);
     127             : void com_pcmcia_attach(struct device *, struct device *, void *);
     128             : int com_pcmcia_detach(struct device *, int);
     129             : void com_pcmcia_cleanup(void *);
     130             : int com_pcmcia_activate(struct device *, int);
     131             : 
     132             : int com_pcmcia_enable(struct com_softc *);
     133             : void com_pcmcia_disable(struct com_softc *);
     134             : int com_pcmcia_enable1(struct com_softc *);
     135             : void com_pcmcia_disable1(struct com_softc *);
     136             : 
     137             : struct com_pcmcia_softc {
     138             :         struct com_softc sc_com;                /* real "com" softc */
     139             : 
     140             :         /* PCMCIA-specific goo */
     141             :         struct pcmcia_io_handle sc_pcioh;       /* PCMCIA i/o space info */
     142             :         int sc_io_window;                       /* our i/o window */
     143             :         struct pcmcia_function *sc_pf;          /* our PCMCIA function */
     144             :         void *sc_ih;                            /* interrupt handler */
     145             : };
     146             : 
     147             : struct cfattach com_pcmcia_ca = {
     148             :         sizeof(struct com_pcmcia_softc), com_pcmcia_match, com_pcmcia_attach,
     149             :         com_pcmcia_detach, com_pcmcia_activate
     150             : };
     151             : 
     152             : int
     153           0 : com_pcmcia_match(parent, match, aux)
     154             :         struct device *parent;
     155             :         void *match, *aux;
     156             : {
     157           0 :         struct pcmcia_attach_args *pa = aux;
     158             :         struct pcmcia_config_entry *cfe;
     159             :         int i, j, comportmask;
     160             : 
     161             :         /* 1. Does it claim to be a serial device? */
     162           0 :         if (pa->pf->function == PCMCIA_FUNCTION_SERIAL)
     163           0 :             return 1;
     164             : 
     165             :         /* 2. Does it have all four 'standard' port ranges? */
     166             :         comportmask = 0;
     167           0 :         SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) {
     168           0 :                 switch (cfe->iospace[0].start) {
     169             :                 case IO_COM1:
     170           0 :                         comportmask |= 1;
     171           0 :                         break;
     172             :                 case IO_COM2:
     173           0 :                         comportmask |= 2;
     174           0 :                         break;
     175             :                 case IO_COM3:
     176           0 :                         comportmask |= 4;
     177           0 :                         break;
     178             :                 case IO_COM4:
     179           0 :                         comportmask |= 8;
     180           0 :                         break;
     181             :                 }
     182             :         }
     183             : 
     184           0 :         if (comportmask == 15)
     185           0 :                 return 1;
     186             : 
     187             :         /* 3. Is this a card we know about? */
     188           0 :         for (i = 0; i < nitems(com_pcmcia_prod); i++) {
     189           0 :                 for (j = 0; j < 4; j++)
     190           0 :                         if (com_pcmcia_prod[i].cis1_info[j] &&
     191           0 :                             pa->card->cis1_info[j] &&
     192           0 :                             strcmp(pa->card->cis1_info[j],
     193             :                             com_pcmcia_prod[i].cis1_info[j]))
     194             :                                 break;
     195           0 :                 if (j == 4)
     196           0 :                         return 1;
     197             :         }
     198             : 
     199           0 :         return 0;
     200           0 : }
     201             : 
     202             : int
     203           0 : com_pcmcia_activate(dev, act)
     204             :         struct device *dev;
     205             :         int act;
     206             : {
     207           0 :         struct com_pcmcia_softc *sc = (void *) dev;
     208             : 
     209           0 :         switch (act) {
     210             :         case DVACT_SUSPEND:
     211           0 :                 if (sc->sc_ih)
     212           0 :                         pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
     213           0 :                 sc->sc_ih = NULL;
     214           0 :                 pcmcia_function_disable(sc->sc_pf);
     215           0 :                 break;
     216             :         case DVACT_RESUME:
     217           0 :                 pcmcia_function_enable(sc->sc_pf);
     218           0 :                 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_TTY,
     219           0 :                     comintr, sc, sc->sc_com.sc_dev.dv_xname);
     220           0 :                 com_resume(&sc->sc_com);
     221           0 :                 break;
     222             :         case DVACT_DEACTIVATE:
     223           0 :                 if (sc->sc_ih)
     224           0 :                         pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
     225           0 :                 sc->sc_ih = NULL;
     226           0 :                 pcmcia_function_disable(sc->sc_pf);
     227           0 :                 break;
     228             :         }
     229           0 :         return (0);
     230             : }
     231             : 
     232             : void
     233           0 : com_pcmcia_attach(parent, self, aux)
     234             :         struct device *parent, *self;
     235             :         void *aux;
     236             : {
     237           0 :         struct com_pcmcia_softc *psc = (void *) self;
     238           0 :         struct com_softc *sc = &psc->sc_com;
     239           0 :         struct pcmcia_attach_args *pa = aux;
     240             :         struct pcmcia_config_entry *cfe;
     241             :         const char *intrstr;
     242             :         int autoalloc = 0;
     243             : 
     244           0 :         psc->sc_pf = pa->pf;
     245             : 
     246             : retry:
     247             :         /* find a cfe we can use */
     248             : 
     249           0 :         for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe;
     250           0 :              cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
     251             : #if 0
     252             :                 /*
     253             :                  * Some modem cards (e.g. Xircom CM33) also have
     254             :                  * mem space.  Don't bother with this check.
     255             :                  */
     256             :                 if (cfe->num_memspace != 0)
     257             :                         continue;
     258             : #endif
     259             : 
     260           0 :                 if (cfe->num_iospace != 1)
     261             :                         continue;
     262             : 
     263           0 :                 if (!pcmcia_io_alloc(pa->pf,
     264             :                     autoalloc ? 0 : cfe->iospace[0].start,
     265             :                     cfe->iospace[0].length, COM_NPORTS, &psc->sc_pcioh)) {
     266             :                         goto found;
     267             :                 }
     268             :         }
     269           0 :         if (autoalloc == 0) {
     270             :                 autoalloc = 1;
     271           0 :                 goto retry;
     272           0 :         } else if (!cfe) {
     273           0 :                 printf(": can't allocate i/o space\n");
     274           0 :                 return;
     275             :         }
     276             : 
     277             : found:
     278           0 :         sc->sc_iot = psc->sc_pcioh.iot;
     279           0 :         sc->sc_ioh = psc->sc_pcioh.ioh;
     280             : 
     281             :         /* Enable the card. */
     282           0 :         pcmcia_function_init(pa->pf, cfe);
     283           0 :         if (com_pcmcia_enable1(sc))
     284           0 :                 printf(": function enable failed\n");
     285             : 
     286           0 :         sc->enabled = 1;
     287             : 
     288             :         /* map in the io space */
     289             : 
     290           0 :         if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ?
     291           0 :             PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, psc->sc_pcioh.size,
     292           0 :             &psc->sc_pcioh, &psc->sc_io_window)) {
     293           0 :                 printf(": can't map i/o space\n");
     294           0 :                 return;
     295             :         }
     296             : 
     297           0 :         printf(" port 0x%lx/%lu", psc->sc_pcioh.addr,
     298           0 :             (u_long)psc->sc_pcioh.size);
     299             : 
     300           0 :         sc->sc_iobase = -1;
     301           0 :         sc->enable = com_pcmcia_enable;
     302           0 :         sc->disable = com_pcmcia_disable;
     303           0 :         sc->sc_frequency = COM_FREQ;
     304             : 
     305           0 :         sc->sc_hwflags = 0;
     306           0 :         sc->sc_swflags = 0;
     307             : 
     308           0 :         if (psc->sc_pf->sc->card.manufacturer == PCMCIA_VENDOR_AUDIOVOX &&
     309           0 :             psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_AUDIOVOX_RTM8000)
     310           0 :                 sc->sc_fifolen = 16;
     311             : 
     312           0 :         com_attach_subr(sc);
     313             : 
     314             :         /* establish the interrupt. */
     315           0 :         psc->sc_ih = pcmcia_intr_establish(pa->pf, IPL_TTY, comintr, sc,
     316           0 :             sc->sc_dev.dv_xname);
     317           0 :         intrstr = pcmcia_intr_string(psc->sc_pf, psc->sc_ih);
     318           0 :         if (*intrstr)
     319           0 :                 printf(", %s", intrstr);
     320             : 
     321             : #ifdef notyet
     322             :         sc->enabled = 0;
     323             : 
     324             :         com_pcmcia_disable1(sc);
     325             : #endif
     326           0 : }
     327             : 
     328             : int
     329           0 : com_pcmcia_detach(dev, flags)
     330             :         struct device *dev;
     331             :         int flags;
     332             : {
     333           0 :         struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *)dev;
     334             :         int error;
     335             : 
     336             :         /* Release all resources.  */
     337           0 :         error = com_detach(dev, flags);
     338           0 :         if (error)
     339           0 :             return (error);
     340             : 
     341           0 :         pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
     342           0 :         pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
     343             : 
     344           0 :         return (0);
     345           0 : }
     346             : 
     347             : int
     348           0 : com_pcmcia_enable(sc)
     349             :         struct com_softc *sc;
     350             : {
     351           0 :         struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
     352           0 :         struct pcmcia_function *pf = psc->sc_pf;
     353             : 
     354             :         /* establish the interrupt. */
     355           0 :         psc->sc_ih = pcmcia_intr_establish(pf, IPL_TTY, comintr, sc,
     356           0 :             sc->sc_dev.dv_xname);
     357           0 :         if (psc->sc_ih == NULL) {
     358           0 :                 printf("%s: couldn't establish interrupt\n",
     359             :                     sc->sc_dev.dv_xname);
     360           0 :                 return (1);
     361             :         }
     362           0 :         return com_pcmcia_enable1(sc);
     363           0 : }
     364             : 
     365             : int
     366           0 : com_pcmcia_enable1(sc)
     367             :         struct com_softc *sc;
     368             : {
     369           0 :         struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
     370           0 :         struct pcmcia_function *pf = psc->sc_pf;
     371             :         int ret;
     372             : 
     373           0 :         if ((ret = pcmcia_function_enable(pf)))
     374           0 :             return(ret);
     375             : 
     376           0 :         if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) ||
     377           0 :             (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) ||
     378           0 :             (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556B)) {
     379             :                 int reg;
     380             : 
     381             :                 /* turn off the ethernet-disable bit */
     382             : 
     383           0 :                 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION);
     384           0 :                 if (reg & 0x08) {
     385           0 :                     reg &= ~0x08;
     386           0 :                     pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg);
     387           0 :                 }
     388           0 :         }
     389             : 
     390           0 :         return(ret);
     391           0 : }
     392             : 
     393             : void
     394           0 : com_pcmcia_disable(sc)
     395             :         struct com_softc *sc;
     396             : {
     397           0 :         struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
     398             : 
     399           0 :         pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
     400           0 :         com_pcmcia_disable1(sc);
     401           0 : }
     402             : 
     403             : void
     404           0 : com_pcmcia_disable1(sc)
     405             :         struct com_softc *sc;
     406             : {
     407           0 :         struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
     408             : 
     409           0 :         pcmcia_function_disable(psc->sc_pf);
     410           0 : }

Generated by: LCOV version 1.13