Revert to GPL.
This commit is contained in:
Fritz Elfert
parent
3236e8e8ef
commit
68cd863032
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@ -1,26 +1,27 @@
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/* $Id$
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/* $Id icn.c,v 1.15 1996/01/10 20:57:39 fritz Exp fritz $
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*
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* ISDN low-level module for the ICN active ISDN-Card.
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*
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* Copyright 1994 by Fritz Elfert (fritz@wuemaus.franken.de)
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* Copyright 1995 Thinking Objects Software GmbH Wuerzburg
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* Copyright 1994,95,96 by Fritz Elfert (fritz@wuemaus.franken.de)
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*
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* This file is part of Isdn4Linux.
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*
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* Isdn4Linux is distributed with NO WARRANTY OF ANY KIND. No author
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* or distributor accepts any responsibility for the consequences of using it,
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* or for whether it serves any particular purpose or works at all, unless he
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* or she says so in writing. Refer to the Isdn4Linux Free Public
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* License (the "License") for full details.
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*
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* Every copy of Isdn4Linux must include a copy of the License,
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||||
* normally in a plain ASCII text file named LICENSE. The License grants you
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||||
* the right to copy, modify and redistribute Isdn4Linux, but only
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||||
* under certain conditions described in the License. Among other things, the
|
||||
* License requires that the copyright notice and this notice be preserved on
|
||||
* all copies.
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Log$
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* Revision 1.15 1996/01/10 20:57:39 fritz
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* Bugfix: Loading firmware twice caused the device stop working.
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*
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* Revision 1.14 1995/12/18 18:23:37 fritz
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* Support for ICN-2B Cards.
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* Change for supporting user-setable service-octet.
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@ -587,6 +588,7 @@ static void icn_pollit(icn_dev * dev)
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} else {
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p = dev->imsg;
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if (!strncmp(p, "DRV1.", 5)) {
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printk(KERN_INFO "icn: %s\n",p);
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if (!strncmp(p + 7, "TC", 2)) {
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dev->ptype = ISDN_PTYPE_1TR6;
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dev->interface.features |= ISDN_FEATURE_P_1TR6;
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@ -1325,12 +1327,14 @@ static int if_readstatus2(u_char * buf, int len, int user)
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return (icn_readstatus(buf, len, user, dev2));
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}
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static int if_sendbuf1(int channel, const u_char * buffer, int len, int user)
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static int if_sendbuf1(int id, int channel, const u_char * buffer, int len,
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int user)
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{
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return (icn_sendbuf(channel, buffer, len, user, dev));
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}
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static int if_sendbuf2(int channel, const u_char * buffer, int len, int user)
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static int if_sendbuf2(int id, int channel, const u_char * buffer, int len,
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int user)
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{
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return (icn_sendbuf(channel, buffer, len, user, dev2));
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}
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@ -1350,11 +1354,11 @@ void icn_setup(char *str, int *ints)
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membase = ints[2];
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if (strlen(str)) {
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strcpy(sid,str);
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id = sid;
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icn_id = sid;
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if ((p = strchr(sid,','))) {
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*p++ = 0;
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strcpy(sid2,p);
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id2 = sid2;
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icn_id2 = sid2;
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}
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}
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}
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@ -1376,7 +1380,7 @@ int icn_init(void)
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memset((char *) dev, 0, sizeof(icn_dev));
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dev->port = portbase;
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dev->shmem = (icn_shmem *) (membase & 0x0ffc000);
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if (strlen(id2))
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if (strlen(icn_id2))
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dev->doubleS0 = 1;
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dev->interface.channels = ICN_BCH;
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dev->interface.maxbufsize = 4000;
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@ -1385,18 +1389,16 @@ int icn_init(void)
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dev->interface.writecmd = if_writecmd1;
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dev->interface.readstat = if_readstatus1;
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dev->interface.features = ISDN_FEATURE_L2_X75I |
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#ifdef HDLC_FIRMWARE
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ISDN_FEATURE_L2_HDLC |
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#endif
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ISDN_FEATURE_L3_TRANS |
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ISDN_FEATURE_P_UNKNOWN;
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ISDN_FEATURE_L2_HDLC |
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ISDN_FEATURE_L3_TRANS |
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ISDN_FEATURE_P_UNKNOWN;
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dev->ptype = ISDN_PTYPE_UNKNOWN;
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strncpy(dev->interface.id, id, sizeof(dev->interface.id) - 1);
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strncpy(dev->interface.id, icn_id, sizeof(dev->interface.id) - 1);
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dev->msg_buf_write = dev->msg_buf;
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dev->msg_buf_read = dev->msg_buf;
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dev->msg_buf_end = &dev->msg_buf[sizeof(dev->msg_buf) - 1];
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memset((char *) dev->l2_proto, ISDN_PROTO_L2_X75I, sizeof(dev->l2_proto));
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if (strlen(id2)) {
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if (strlen(icn_id2)) {
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if (!(dev2 = (icn_devptr) kmalloc(sizeof(icn_dev), GFP_KERNEL))) {
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printk(KERN_WARNING "icn: Could not allocate device-struct.\n");
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kfree(dev);
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@ -1408,7 +1410,8 @@ int icn_init(void)
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dev2->interface.writebuf = if_sendbuf2;
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dev2->interface.writecmd = if_writecmd2;
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dev2->interface.readstat = if_readstatus2;
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strncpy(dev2->interface.id, id2, sizeof(dev->interface.id) - 1);
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strncpy(dev2->interface.id, icn_id2,
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sizeof(dev->interface.id) - 1);
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dev2->msg_buf_write = dev2->msg_buf;
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dev2->msg_buf_read = dev2->msg_buf;
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dev2->msg_buf_end = &dev2->msg_buf[sizeof(dev2->msg_buf) - 1];
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@ -1438,6 +1441,10 @@ int icn_init(void)
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}
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dev2->myid = dev2->interface.channels;
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}
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/* No symbols to export, hide all symbols */
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register_symtab(NULL);
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if ((p = strchr(revision, ':'))) {
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strcpy(rev, p + 1);
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p = strchr(rev, '$');
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@ -3,24 +3,26 @@
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* ISDN lowlevel-module for the ICN active ISDN-Card.
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*
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* Copyright 1994 by Fritz Elfert (fritz@wuemaus.franken.de)
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* Copyright 1995 Thinking Objects Software GmbH Wuerzburg
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*
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* This file is part of Isdn4Linux.
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*
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* Isdn4Linux is distributed with NO WARRANTY OF ANY KIND. No author
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* or distributor accepts any responsibility for the consequences of using it,
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* or for whether it serves any particular purpose or works at all, unless he
|
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* or she says so in writing. Refer to the Isdn4Linux Free Public
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* License (the "License") for full details.
|
||||
*
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* Every copy of Isdn4Linux must include a copy of the License,
|
||||
* normally in a plain ASCII text file named LICENSE. The License grants you
|
||||
* the right to copy, modify and redistribute Isdn4Linux, but only
|
||||
* under certain conditions described in the License. Among other things, the
|
||||
* License requires that the copyright notice and this notice be preserved on
|
||||
* all copies.
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2, or (at your option)
|
||||
* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Log$
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* Revision 1.11 1995/12/18 18:25:00 fritz
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* Support for ICN-2B Cards.
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* Change for supporting user-setable service-octet.
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*
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* Revision 1.10 1995/10/29 21:43:10 fritz
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* Added support for leased lines.
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*
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@ -73,10 +75,6 @@
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/* Kernel includes */
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#include <linux/config.h>
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#ifdef CONFIG_MODVERSIONS
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#define MODVERSIONS
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#include <linux/modversions.h>
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#endif
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#include <linux/module.h>
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#include <linux/version.h>
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#include <linux/errno.h>
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@ -92,17 +90,19 @@
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#include <linux/ioport.h>
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#include <linux/timer.h>
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#include <linux/wait.h>
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#include <isdnif.h>
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#include <linux/isdnif.h>
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#ifdef MODULE
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#ifdef DEF_VERSION
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char kernel_version[] = UTS_RELEASE;
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#endif
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#endif
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#endif /* __KERNEL__ */
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#endif /* __KERNEL__ */
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/* some useful macros for debugging */
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#ifdef ICN_DEBUG_PORT
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#define OUTB_P(v,p) {printk("icn: outb_p(0x%02x,0x%03x)\n",v,p); outb_p(v,p);}
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#define OUTB_P(v,p) {printk(KERN_DEBUG "icn: outb_p(0x%02x,0x%03x)\n",v,p); outb_p(v,p);}
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#else
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#define OUTB_P outb
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#endif
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@ -118,124 +118,126 @@ char kernel_version[] = UTS_RELEASE;
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#define ICN_RUN (dev->port+2)
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#define ICN_BANK (dev->port+3)
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#define ICN_FLAGS_B1ACTIVE 1 /* B-Channel-1 is open */
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#define ICN_FLAGS_B2ACTIVE 2 /* B-Channel-2 is open */
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#define ICN_FLAGS_RBTIMER 8 /* cyclic scheduling of B-Channel-poll */
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#define ICN_FLAGS_B1ACTIVE 1 /* B-Channel-1 is open */
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#define ICN_FLAGS_B2ACTIVE 2 /* B-Channel-2 is open */
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#define ICN_FLAGS_RBTIMER 8 /* cyclic scheduling of B-Channel-poll */
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#define ICN_BOOT_TIMEOUT1 100 /* Delay for Boot-download (jiffies) */
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#define ICN_CHANLOCK_DELAY 10 /* Delay for Channel-mapping (jiffies) */
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#define ICN_BOOT_TIMEOUT1 100 /* Delay for Boot-download (jiffies) */
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#define ICN_CHANLOCK_DELAY 10 /* Delay for Channel-mapping (jiffies) */
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#define ICN_TIMER_BCREAD 3 /* B-Channel poll-cycle */
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#define ICN_TIMER_DCREAD 50 /* D-Channel poll-cycle */
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#define ICN_TIMER_BCREAD 3 /* B-Channel poll-cycle */
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#define ICN_TIMER_DCREAD 50 /* D-Channel poll-cycle */
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#define ICN_CODE_STAGE1 4096 /* Size of bootcode */
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#define ICN_CODE_STAGE2 65536 /* Size of protocol-code */
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#define ICN_CODE_STAGE1 4096 /* Size of bootcode */
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#define ICN_CODE_STAGE2 65536 /* Size of protocol-code */
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#define ICN_MAX_SQUEUE 65536 /* Max. outstanding send-data */
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#define ICN_FRAGSIZE (250) /* Max. size of send-fragments */
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#define ICN_BCH 2 /* Number of supported channels */
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#define ICN_MAX_SQUEUE 65536 /* Max. outstanding send-data */
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#define ICN_FRAGSIZE (250) /* Max. size of send-fragments */
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#define ICN_BCH 2 /* Number of supported channels */
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/* type-definitions for accessing the mmap-io-areas */
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#define SHM_DCTL_OFFSET (0) /* Offset to data-controlstructures in shm */
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#define SHM_CCTL_OFFSET (0x1d2) /* Offset to comm-controlstructures in shm */
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#define SHM_CBUF_OFFSET (0x200) /* Offset to comm-buffers in shm */
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#define SHM_DBUF_OFFSET (0x2000) /* Offset to data-buffers in shm */
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#define SHM_DCTL_OFFSET (0) /* Offset to data-controlstructures in shm */
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#define SHM_CCTL_OFFSET (0x1d2) /* Offset to comm-controlstructures in shm */
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#define SHM_CBUF_OFFSET (0x200) /* Offset to comm-buffers in shm */
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#define SHM_DBUF_OFFSET (0x2000) /* Offset to data-buffers in shm */
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typedef struct {
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unsigned char length; /* Bytecount of fragment (max 250) */
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unsigned char endflag; /* 0=last frag., 0xff=frag. continued */
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unsigned char data[ICN_FRAGSIZE]; /* The data */
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/* Fill to 256 bytes */
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char unused[0x100-ICN_FRAGSIZE-2];
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unsigned char length; /* Bytecount of fragment (max 250) */
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unsigned char endflag; /* 0=last frag., 0xff=frag. continued */
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unsigned char data[ICN_FRAGSIZE]; /* The data */
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/* Fill to 256 bytes */
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char unused[0x100 - ICN_FRAGSIZE - 2];
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} frag_buf;
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typedef union {
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struct {
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unsigned char scns; /* Index to free SendFrag. */
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unsigned char scnr; /* Index to active SendFrag READONLY */
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unsigned char ecns; /* Index to free RcvFrag. READONLY */
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unsigned char ecnr; /* Index to valid RcvFrag */
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char unused[6];
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unsigned short fuell1; /* Internal Buf Bytecount */
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} data_control;
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struct {
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char unused[SHM_CCTL_OFFSET];
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unsigned char iopc_i; /* Read-Ptr Status-Queue READONLY */
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unsigned char iopc_o; /* Write-Ptr Status-Queue */
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unsigned char pcio_i; /* Write-Ptr Command-Queue */
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unsigned char pcio_o; /* Read-Ptr Command Queue READONLY */
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} comm_control;
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struct {
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char unused[SHM_CBUF_OFFSET];
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unsigned char pcio_buf[0x100]; /* Ring-Buffer Command-Queue */
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unsigned char iopc_buf[0x100]; /* Ring-Buffer Status-Queue */
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} comm_buffers;
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struct {
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char unused[SHM_DBUF_OFFSET];
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frag_buf receive_buf[0x10];
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frag_buf send_buf[0x10];
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} data_buffers;
|
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struct {
|
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unsigned char scns; /* Index to free SendFrag. */
|
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unsigned char scnr; /* Index to active SendFrag READONLY */
|
||||
unsigned char ecns; /* Index to free RcvFrag. READONLY */
|
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unsigned char ecnr; /* Index to valid RcvFrag */
|
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char unused[6];
|
||||
unsigned short fuell1; /* Internal Buf Bytecount */
|
||||
} data_control;
|
||||
struct {
|
||||
char unused[SHM_CCTL_OFFSET];
|
||||
unsigned char iopc_i; /* Read-Ptr Status-Queue READONLY */
|
||||
unsigned char iopc_o; /* Write-Ptr Status-Queue */
|
||||
unsigned char pcio_i; /* Write-Ptr Command-Queue */
|
||||
unsigned char pcio_o; /* Read-Ptr Command Queue READONLY */
|
||||
} comm_control;
|
||||
struct {
|
||||
char unused[SHM_CBUF_OFFSET];
|
||||
unsigned char pcio_buf[0x100]; /* Ring-Buffer Command-Queue */
|
||||
unsigned char iopc_buf[0x100]; /* Ring-Buffer Status-Queue */
|
||||
} comm_buffers;
|
||||
struct {
|
||||
char unused[SHM_DBUF_OFFSET];
|
||||
frag_buf receive_buf[0x10];
|
||||
frag_buf send_buf[0x10];
|
||||
} data_buffers;
|
||||
} icn_shmem;
|
||||
|
||||
/* Sendbuffer-queue-element */
|
||||
typedef struct {
|
||||
char *next;
|
||||
short length;
|
||||
short size;
|
||||
u_char *rptr;
|
||||
u_char buffer[1];
|
||||
char *next;
|
||||
short length;
|
||||
short size;
|
||||
u_char *rptr;
|
||||
u_char buffer[1];
|
||||
} pqueue;
|
||||
|
||||
typedef struct {
|
||||
unsigned short port; /* Base-port-adress */
|
||||
icn_shmem *shmem; /* Pointer to memory-mapped-buffers */
|
||||
int myid; /* Driver-Nr. assigned by linklevel */
|
||||
int rvalid; /* IO-portregion has been requested */
|
||||
int leased; /* Flag: This Adapter is connected */
|
||||
/* to a leased line */
|
||||
unsigned short flags; /* Statusflags */
|
||||
int doubleS0; /* Flag: Double-S0-Card */
|
||||
int secondhalf; /* Flag: Second half of a doubleS0 */
|
||||
int ptype; /* Protocoltype (1TR6 or Euro) */
|
||||
struct timer_list st_timer; /* Timer for Status-Polls */
|
||||
struct timer_list rb_timer; /* Timer for B-Channel-Polls */
|
||||
int channel; /* Currently mapped Channel */
|
||||
int chanlock; /* Semaphore for Channel-Mapping */
|
||||
u_char rcvbuf[ICN_BCH][4096]; /* B-Channel-Receive-Buffers */
|
||||
int rcvidx[ICN_BCH]; /* Index for above buffers */
|
||||
int l2_proto[ICN_BCH]; /* Current layer-2-protocol */
|
||||
isdn_if interface; /* Interface to upper layer */
|
||||
int iptr; /* Index to imsg-buffer */
|
||||
char imsg[40]; /* Internal buf for status-parsing */
|
||||
char msg_buf[2048]; /* Buffer for status-messages */
|
||||
char *msg_buf_write; /* Writepointer for statusbuffer */
|
||||
char *msg_buf_read; /* Readpointer for statusbuffer */
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||||
char *msg_buf_end; /* Pointer to end of statusbuffer */
|
||||
int sndcount[ICN_BCH]; /* Byte-counters for B-Ch.-send */
|
||||
pqueue *spqueue[ICN_BCH]; /* Pointers to start of Send-Queue */
|
||||
unsigned short port; /* Base-port-adress */
|
||||
icn_shmem *shmem; /* Pointer to memory-mapped-buffers */
|
||||
int myid; /* Driver-Nr. assigned by linklevel */
|
||||
int rvalid; /* IO-portregion has been requested */
|
||||
int mvalid; /* IO-shmem has been requested */
|
||||
int leased; /* Flag: This Adapter is connected */
|
||||
/* to a leased line */
|
||||
unsigned short flags; /* Statusflags */
|
||||
int doubleS0; /* Flag: Double-S0-Card */
|
||||
int secondhalf; /* Flag: Second half of a doubleS0 */
|
||||
int ptype; /* Protocoltype (1TR6 or Euro) */
|
||||
struct timer_list st_timer; /* Timer for Status-Polls */
|
||||
struct timer_list rb_timer; /* Timer for B-Channel-Polls */
|
||||
int channel; /* Currently mapped Channel */
|
||||
int chanlock; /* Semaphore for Channel-Mapping */
|
||||
u_char rcvbuf[ICN_BCH][4096]; /* B-Channel-Receive-Buffers */
|
||||
int rcvidx[ICN_BCH]; /* Index for above buffers */
|
||||
int l2_proto[ICN_BCH]; /* Current layer-2-protocol */
|
||||
isdn_if interface; /* Interface to upper layer */
|
||||
int iptr; /* Index to imsg-buffer */
|
||||
char imsg[40]; /* Internal buf for status-parsing */
|
||||
char msg_buf[2048]; /* Buffer for status-messages */
|
||||
char *msg_buf_write; /* Writepointer for statusbuffer */
|
||||
char *msg_buf_read; /* Readpointer for statusbuffer */
|
||||
char *msg_buf_end; /* Pointer to end of statusbuffer */
|
||||
int sndcount[ICN_BCH]; /* Byte-counters for B-Ch.-send */
|
||||
pqueue *spqueue[ICN_BCH]; /* Pointers to start of Send-Queue */
|
||||
#ifdef DEBUG_RCVCALLBACK
|
||||
int akt_pending[ICN_BCH];
|
||||
int max_pending[ICN_BCH];
|
||||
int akt_pending[ICN_BCH];
|
||||
int max_pending[ICN_BCH];
|
||||
#endif
|
||||
} icn_dev;
|
||||
|
||||
typedef icn_dev *icn_devptr;
|
||||
|
||||
#ifdef __KERNEL__
|
||||
static icn_dev *dev = (icn_dev *)0;
|
||||
static icn_dev *dev2 = (icn_dev *)0;
|
||||
static icn_dev *dev = (icn_dev *) 0;
|
||||
static icn_dev *dev2 = (icn_dev *) 0;
|
||||
|
||||
/* With modutils >= 1.1.67 Integers can be changed while loading a
|
||||
* module. For this reason define the Port-Base an Shmem-Base as
|
||||
* integers.
|
||||
*/
|
||||
static int portbase = ICN_BASEADDR;
|
||||
static int membase = ICN_MEMADDR;
|
||||
static char* id = "\0";
|
||||
static char* id2 = "\0";
|
||||
int portbase = ICN_BASEADDR;
|
||||
int membase = ICN_MEMADDR;
|
||||
char *icn_id = "\0";
|
||||
char *icn_id2 = "\0";
|
||||
static char regname[35]; /* Name used for port/mem-registration */
|
||||
|
||||
#endif /* __KERNEL__ */
|
||||
#endif /* __KERNEL__ */
|
||||
|
||||
/* Utility-Macros */
|
||||
|
||||
|
|
@ -284,24 +286,13 @@ static char* id2 = "\0";
|
|||
#define MIN(a,b) ((a<b)?a:b)
|
||||
#define MAX(a,b) ((a>b)?a:b)
|
||||
|
||||
#endif /* defined(__KERNEL__) || defined(__DEBUGVAR__) */
|
||||
#endif /* icn_h */
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
/* Hopefully, a separate resource-registration-scheme for shared-memory
|
||||
* will be introduced into the kernel. Until then, we use the normal
|
||||
* routines, designed for port-registration.
|
||||
*/
|
||||
#define check_shmem check_region
|
||||
#define release_shmem release_region
|
||||
#define request_shmem request_region
|
||||
|
||||
#endif /* defined(__KERNEL__) || defined(__DEBUGVAR__) */
|
||||
#endif /* icn_h */
|
||||
|
|
|
|||
Loading…
Reference in New Issue