/* * Copyright (c) 1997, 1998 Hellmuth Michaelis. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * *--------------------------------------------------------------------------- * * i4b_ctl.c - i4b system control port driver * ------------------------------------------ * * $Id: i4b_ctl.c,v 1.17 1998/12/05 18:02:39 hm Exp $ * * last edit-date: [Sat Dec 5 17:59:15 1998] * *---------------------------------------------------------------------------*/ #include "i4bctl.h" #if NI4BCTL > 1 #error "only 1 (one) i4bctl device allowed!" #endif #if NI4BCTL > 0 #include #if defined(__FreeBSD__) && __FreeBSD__ >= 3 #include #include #else #include #endif #include #include #include #include #include #include #include #include #ifdef __FreeBSD__ #include "opt_devfs.h" #endif #ifdef DEVFS #include #endif #ifdef __FreeBSD__ #include #include #else #include #include #include #include #endif #include #include #include static int openflag = 0; #if BSD > 199306 && defined(__FreeBSD__) static d_open_t i4bctlopen; static d_close_t i4bctlclose; static d_ioctl_t i4bctlioctl; #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001 static d_poll_t i4bctlpoll; #endif #define CDEV_MAJOR 55 static struct cdevsw i4bctl_cdevsw = { i4bctlopen, i4bctlclose, noread, nowrite, i4bctlioctl, nostop, nullreset, nodevtotty, #if defined(__FreeBSD_version) && __FreeBSD_version >= 300001 i4bctlpoll, nommap, NULL, "i4bctl", NULL, -1 }; #else noselect, nommap, NULL, "i4bctl", NULL, -1 }; #endif static void i4bctlattach(void *); PSEUDO_SET(i4bctlattach, i4b_i4bctldrv); #define PDEVSTATIC static #endif /* __FreeBSD__ */ #ifdef DEVFS static void *devfs_token; #endif #ifndef __FreeBSD__ #define PDEVSTATIC /* */ void i4bctlattach __P((void)); int i4bctlopen __P((dev_t dev, int flag, int fmt, struct proc *p)); int i4bctlclose __P((dev_t dev, int flag, int fmt, struct proc *p)); int i4bctlioctl __P((dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)); #endif /* !FreeBSD */ #if BSD > 199306 && defined(__FreeBSD__) /*---------------------------------------------------------------------------* * initialization at kernel load time *---------------------------------------------------------------------------*/ static void i4bctlinit(void *unused) { dev_t dev; dev = makedev(CDEV_MAJOR, 0); cdevsw_add(&dev, &i4bctl_cdevsw, NULL); } SYSINIT(i4bctldev, SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR, &i4bctlinit, NULL); #endif /* BSD > 199306 && defined(__FreeBSD__) */ /*---------------------------------------------------------------------------* * interface attach routine *---------------------------------------------------------------------------*/ PDEVSTATIC void #ifdef __FreeBSD__ i4bctlattach(void *dummy) #else i4bctlattach() #endif { #ifndef HACK_NO_PSEUDO_ATTACH_MSG printf("i4bctl: ISDN system control port attached\n"); #endif #ifdef DEVFS devfs_token = devfs_add_devswf(&i4bctl_cdevsw, 0, DV_CHR, UID_ROOT, GID_WHEEL, 0600, "i4bctl", 0); #endif } /*---------------------------------------------------------------------------* * i4bctlopen - device driver open routine *---------------------------------------------------------------------------*/ PDEVSTATIC int i4bctlopen(dev_t dev, int flag, int fmt, struct proc *p) { if(minor(dev)) return (ENXIO); if(openflag) return (EBUSY); openflag = 1; return (0); } /*---------------------------------------------------------------------------* * i4bctlclose - device driver close routine *---------------------------------------------------------------------------*/ PDEVSTATIC int i4bctlclose(dev_t dev, int flag, int fmt, struct proc *p) { openflag = 0; return (0); } /*---------------------------------------------------------------------------* * i4bctlioctl - device driver ioctl routine *---------------------------------------------------------------------------*/ PDEVSTATIC int #if defined (__FreeBSD_version) && __FreeBSD_version >= 300003 i4bctlioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) #else i4bctlioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) #endif { ctl_debug_t *cdbg; int error = 0; #ifndef DO_I4B_DEBUG return(ENODEV); #else if(minor(dev)) return(ENODEV); switch(cmd) { case I4B_CTL_GET_DEBUG: cdbg = (ctl_debug_t *)data; cdbg->l1 = i4b_l1_debug; cdbg->l2 = i4b_l2_debug; cdbg->l3 = i4b_l3_debug; cdbg->l4 = i4b_l4_debug; break; case I4B_CTL_SET_DEBUG: cdbg = (ctl_debug_t *)data; i4b_l1_debug = cdbg->l1; i4b_l2_debug = cdbg->l2; i4b_l3_debug = cdbg->l3; i4b_l4_debug = cdbg->l4; break; case I4B_CTL_GET_HSCXSTAT: { hscxstat_t *hst; struct isic_softc *sc; hst = (hscxstat_t *)data; if( hst->unit < 0 || hst->unit > ISIC_MAXUNIT || hst->chan < 0 || hst->chan > 1 ) { error = EINVAL; break; } #ifndef __FreeBSD__ sc = isic_find_sc(hst->unit); #else sc = &isic_sc[hst->unit]; #endif hst->vfr = sc->sc_chan[hst->chan].stat_VFR; hst->rdo = sc->sc_chan[hst->chan].stat_RDO; hst->crc = sc->sc_chan[hst->chan].stat_CRC; hst->rab = sc->sc_chan[hst->chan].stat_RAB; hst->xdu = sc->sc_chan[hst->chan].stat_XDU; hst->rfo = sc->sc_chan[hst->chan].stat_RFO; break; } case I4B_CTL_CLR_HSCXSTAT: { hscxstat_t *hst; struct isic_softc *sc; hst = (hscxstat_t *)data; if( hst->unit < 0 || hst->unit > ISIC_MAXUNIT || hst->chan < 0 || hst->chan > 1 ) { error = EINVAL; break; } #ifndef __FreeBSD__ sc = isic_find_sc(hst->unit); #else sc = &isic_sc[hst->unit]; #endif sc->sc_chan[hst->chan].stat_VFR = 0; sc->sc_chan[hst->chan].stat_RDO = 0; sc->sc_chan[hst->chan].stat_CRC = 0; sc->sc_chan[hst->chan].stat_RAB = 0; sc->sc_chan[hst->chan].stat_XDU = 0; sc->sc_chan[hst->chan].stat_RFO = 0; break; } default: error = ENOTTY; break; } return(error); #endif DO_I4B_DEBUG } /*---------------------------------------------------------------------------* * i4bctlpoll - device driver poll routine *---------------------------------------------------------------------------*/ #if defined(__FreeBSD__) && __FreeBSD__ >= 3 static int i4bctlpoll (dev_t dev, int events, struct proc *p) { return (ENODEV); } #endif #endif /* NI4BCTL > 0 */