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*
* ISDN lowlevel-module for Eicon.Diehl active cards.
*
* Copyright 1997 by Fritz Elfert (fritz@isdn4linux.de)
* Copyright 1998,99 by Armin Schindler (mac@melware.de)
* Copyright 1999 Cytronics & Melware (info@melware.de)
*
* Thanks to Eicon Technology Diehl GmbH & Co. oHG for
* documents, informations and hardware.
*
* Deutsche Telekom AG for S2M support.
*
* Deutsche Mailbox Saar-Lor-Lux GmbH
* for sponsoring and testing fax
* capabilities with Diva Server cards.
* (dor@deutschemailbox.de)
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Log: eicon_mod.c,v $
* Revision 1.19 1999/11/12 13:21:44 armin
* Bugfix of undefined reference with CONFIG_MCA
*
* Revision 1.18 1999/10/11 18:13:25 armin
* Added fax capabilities for Eicon Diva Server cards.
*
* Revision 1.17 1999/10/08 22:09:34 armin
* Some fixes of cards interface handling.
* Bugfix of NULL pointer occurence.
* Changed a few log outputs.
*
* Revision 1.16 1999/09/26 14:17:53 armin
* Improved debug and log via readstat()
*
* Revision 1.15 1999/09/08 20:17:31 armin
* Added microchannel patch from Erik Weber.
*
* Revision 1.14 1999/09/06 07:29:35 fritz
* Changed my mail-address.
*
* Revision 1.13 1999/09/04 17:37:59 armin
* Removed not used define, did not work and caused error
* in 2.3.16
*
* Revision 1.12 1999/08/31 11:20:14 paul
* various spelling corrections (new checksums may be needed, Karsten!)
*
* Revision 1.11 1999/08/29 17:23:45 armin
* New setup compat.
* Bugfix if compile as not module.
*
* Revision 1.10 1999/08/28 21:32:53 armin
* Prepared for fax related functions.
* Now compilable without errors/warnings.
*
* Revision 1.9 1999/08/18 20:17:02 armin
* Added XLOG function for all cards.
* Bugfix of alloc_skb NULL pointer.
*
* Revision 1.8 1999/07/25 15:12:08 armin
* fix of some debug logs.
* enabled ISA-cards option.
*
* Revision 1.7 1999/07/11 17:16:27 armin
* Bugfixes in queue handling.
* Added DSP-DTMF decoder functions.
* Reorganized ack_handler.
*
* Revision 1.6 1999/06/09 19:31:26 armin
* Wrong PLX size for request_region() corrected.
* Added first MCA code from Erik Weber.
*
* Revision 1.5 1999/04/01 12:48:35 armin
* Changed some log outputs.
*
* Revision 1.4 1999/03/29 11:19:47 armin
* I/O stuff now in seperate file (eicon_io.c)
* Old ISA type cards (S,SX,SCOM,Quadro,S2M) implemented.
*
* Revision 1.3 1999/03/02 12:37:47 armin
* Added some important checks.
* Analog Modem with DSP.
* Channels will be added to Link-Level after loading firmware.
*
* Revision 1.2 1999/01/24 20:14:21 armin
* Changed and added debug stuff.
* Better data sending. (still problems with tty's flip buffer)
*
* Revision 1.1 1999/01/01 18:09:44 armin
* First checkin of new eicon driver.
* DIVA-Server BRI/PCI and PRI/PCI are supported.
* Old diehl code is obsolete.
*
*
*/
#define DRIVERPATCH ""
#include <linux/config.h>
#include <linux/module.h>
#include <linux/init.h>
#ifdef CONFIG_MCA
#include <linux/mca.h>
#endif /* CONFIG_MCA */
#include "eicon.h"
#define INCLUDE_INLINE_FUNCS
static eicon_card *cards = (eicon_card *) NULL; /* glob. var , contains
start of card-list */
static char *eicon_revision = "$Revision: 1.19 $";
extern char *eicon_pci_revision;
extern char *eicon_isa_revision;
extern char *eicon_idi_revision;
#ifdef MODULE
#define MOD_USE_COUNT (GET_USE_COUNT (&__this_module))
#endif
#define EICON_CTRL_VERSION 2
ulong DebugVar;
/* Parameters to be set by insmod */
#ifdef CONFIG_ISDN_DRV_EICON_ISA
static int membase = -1;
static int irq = -1;
#endif
static char *id = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
MODULE_DESCRIPTION( "Driver for Eicon.Diehl active ISDN cards");
MODULE_AUTHOR( "Armin Schindler");
MODULE_SUPPORTED_DEVICE( "ISDN subsystem");
MODULE_PARM_DESC(id, "ID-String of first card");
MODULE_PARM(id, "s");
#ifdef CONFIG_ISDN_DRV_EICON_ISA
MODULE_PARM_DESC(membase, "Base address of first ISA card");
MODULE_PARM_DESC(irq, "IRQ of first card");
MODULE_PARM(membase, "i");
MODULE_PARM(irq, "i");
#endif
char *eicon_ctype_name[] = {
"ISDN-S",
"ISDN-SX",
"ISDN-SCOM",
"ISDN-QUADRO",
"ISDN-S2M",
"DIVA Server BRI/PCI",
"DIVA Server 4BRI/PCI",
"DIVA Server 4BRI/PCI",
"DIVA Server PRI/PCI"
};
static int
getrel(char *p)
{
int v = 0;
char *tmp = 0;
if ((tmp = strchr(p, '.')))
p = tmp + 1;
while (p[0] >= '0' && p[0] <= '9') {
v = ((v < 0) ? 0 : (v * 10)) + (int) (p[0] - '0');
p++;
}
return v;
}
static char *
eicon_getrev(const char *revision)
{
char *rev;
char *p;
if ((p = strchr(revision, ':'))) {
rev = p + 2;
p = strchr(rev, '$');
*--p = 0;
} else rev = "?.??";
return rev;
}
static eicon_chan *
find_channel(eicon_card *card, int channel)
{
if ((channel >= 0) && (channel < card->nchannels))
return &(card->bch[channel]);
eicon_log(card, 1, "eicon: Invalid channel %d\n", channel);
return NULL;
}
/*
* Free MSN list
*/
static void
eicon_clear_msn(eicon_card *card)
{
struct msn_entry *p = card->msn_list;
struct msn_entry *q;
unsigned long flags;
save_flags(flags);
cli();
card->msn_list = NULL;
restore_flags(flags);
while (p) {
q = p->next;
kfree(p);
p = q;
}
}
/*
* Find an MSN entry in the list.
* If ia5 != 0, return IA5-encoded EAZ, else
* return a bitmask with corresponding bit set.
*/
static __u16
eicon_find_msn(eicon_card *card, char *msn, int ia5)
{
struct msn_entry *p = card->msn_list;
__u8 eaz = '0';
while (p) {
if (!strcmp(p->msn, msn)) {
eaz = p->eaz;
break;
}
p = p->next;
}
if (!ia5)
return (1 << (eaz - '0'));
else
return eaz;
}
/*
* Find an EAZ entry in the list.
* return a string with corresponding msn.
*/
char *
eicon_find_eaz(eicon_card *card, char eaz)
{
struct msn_entry *p = card->msn_list;
while (p) {
if (p->eaz == eaz)
return(p->msn);
p = p->next;
}
return("\0");
}
static void
eicon_rcv_dispatch(struct eicon_card *card)
{
switch (card->bus) {
case EICON_BUS_ISA:
case EICON_BUS_MCA:
case EICON_BUS_PCI:
eicon_io_rcv_dispatch(card);
break;
default:
eicon_log(card, 1,
"eicon_ack_dispatch: Illegal bustype %d\n", card->bus);
}
}
static void
eicon_ack_dispatch(struct eicon_card *card)
{
switch (card->bus) {
case EICON_BUS_ISA:
case EICON_BUS_MCA:
case EICON_BUS_PCI:
eicon_io_ack_dispatch(card);
break;
default:
eicon_log(card, 1,
"eicon_ack_dispatch: Illegal bustype %d\n", card->bus);
}
}
static void
eicon_transmit(struct eicon_card *card)
{
switch (card->bus) {
case EICON_BUS_ISA:
case EICON_BUS_MCA:
case EICON_BUS_PCI:
eicon_io_transmit(card);
break;
default:
eicon_log(card, 1,
"eicon_transmit: Illegal bustype %d\n", card->bus);
}
}
static int eicon_xlog(eicon_card *card, xlogreq_t *xlogreq)
{
xlogreq_t *xlr;
int ret_val;
if (!(xlr = kmalloc(sizeof(xlogreq_t), GFP_KERNEL))) {
eicon_log(card, 1, "idi_err: alloc_xlogreq_t failed\n");
return -ENOMEM;
}
if (copy_from_user(xlr, xlogreq, sizeof(xlogreq_t))) {
kfree(xlr);
return -EFAULT;
}
ret_val = eicon_get_xlog(card, xlr);
if (copy_to_user(xlogreq, xlr, sizeof(xlogreq_t))) {
kfree(xlr);
return -EFAULT;
}
kfree(xlr);
return ret_val;
}
static int
eicon_command(eicon_card * card, isdn_ctrl * c)
{
ulong a;
eicon_chan *chan;
eicon_cdef cdef;
isdn_ctrl cmd;
char tmp[17];
int ret = 0;
unsigned long flags;
eicon_log(card, 16, "eicon_cmd 0x%x with arg 0x%lx (0x%lx)\n",
c->command, c->arg, (ulong) *c->parm.num);
switch (c->command) {
case ISDN_CMD_IOCTL:
memcpy(&a, c->parm.num, sizeof(ulong));
switch (c->arg) {
case EICON_IOCTL_GETVER:
return(EICON_CTRL_VERSION);
case EICON_IOCTL_GETTYPE:
return(card->type);
case EICON_IOCTL_GETMMIO:
switch (card->bus) {
case EICON_BUS_ISA:
case EICON_BUS_MCA:
return (int)card->hwif.isa.shmem;
#if CONFIG_PCI
case EICON_BUS_PCI:
return card->hwif.pci.PCIram;
#endif
default:
eicon_log(card, 1,
"eicon: Illegal BUS type %d\n",
card->bus);
ret = -ENODEV;
}
#ifdef CONFIG_ISDN_DRV_EICON_ISA
case EICON_IOCTL_SETMMIO:
if (card->flags & EICON_FLAGS_LOADED)
return -EBUSY;
switch (card->bus) {
case EICON_BUS_ISA:
if (eicon_isa_find_card(a,
card->hwif.isa.irq,
card->regname) < 0)
return -EFAULT;
card->hwif.isa.shmem = (eicon_isa_shmem *)a;
return 0;
case EICON_BUS_MCA:
#if CONFIG_MCA
if (eicon_mca_find_card(
0, a,
card->hwif.isa.irq,
card->regname) < 0)
return -EFAULT;
card->hwif.isa.shmem = (eicon_isa_shmem *)a;
return 0;
#endif /* CONFIG_MCA */
default:
eicon_log(card, 1,
"eicon: Illegal BUS type %d\n",
card->bus);
ret = -ENODEV;
}
#endif
case EICON_IOCTL_GETIRQ:
switch (card->bus) {
case EICON_BUS_ISA:
case EICON_BUS_MCA:
return card->hwif.isa.irq;
#if CONFIG_PCI
case EICON_BUS_PCI:
return card->hwif.pci.irq;
#endif
default:
eicon_log(card, 1,
"eicon: Illegal BUS type %d\n",
card->bus);
ret = -ENODEV;
}
case EICON_IOCTL_SETIRQ:
if (card->flags & EICON_FLAGS_LOADED)
return -EBUSY;
if ((a < 2) || (a > 15))
return -EFAULT;
switch (card->bus) {
case EICON_BUS_ISA:
case EICON_BUS_MCA:
card->hwif.isa.irq = a;
return 0;
default:
eicon_log(card, 1,
"eicon: Illegal BUS type %d\n",
card->bus);
ret = -ENODEV;
}
#ifdef CONFIG_ISDN_DRV_EICON_ISA
case EICON_IOCTL_LOADBOOT:
if (card->flags & EICON_FLAGS_RUNNING)
return -EBUSY;
switch (card->bus) {
case EICON_BUS_ISA:
case EICON_BUS_MCA:
ret = eicon_isa_bootload(
&(card->hwif.isa),
&(((eicon_codebuf *)a)->isa));
break;
default:
eicon_log(card, 1,
"eicon: Illegal BUS type %d\n",
card->bus);
ret = -ENODEV;
}
return ret;
#endif
#ifdef CONFIG_ISDN_DRV_EICON_ISA
case EICON_IOCTL_LOADISA:
if (card->flags & EICON_FLAGS_RUNNING)
return -EBUSY;
switch (card->bus) {
case EICON_BUS_ISA:
case EICON_BUS_MCA:
ret = eicon_isa_load(
&(card->hwif.isa),
&(((eicon_codebuf *)a)->isa));
if (!ret) {
card->flags |= EICON_FLAGS_LOADED;
card->flags |= EICON_FLAGS_RUNNING;
if (card->hwif.isa.channels > 1) {
cmd.command = ISDN_STAT_ADDCH;
cmd.driver = card->myid;
cmd.arg = card->hwif.isa.channels - 1;
card->interface.statcallb(&cmd);
}
cmd.command = ISDN_STAT_RUN;
cmd.driver = card->myid;
cmd.arg = 0;
card->interface.statcallb(&cmd);
}
break;
default:
eicon_log(card, 1,
"eicon: Illegal BUS type %d\n",
card->bus);
ret = -ENODEV;
}
return ret;
#endif
case EICON_IOCTL_MANIF:
if (!card->flags & EICON_FLAGS_RUNNING)
return -ENODEV;
if (!card->Feature & PROTCAP_MANIF)
return -ENODEV;
ret = eicon_idi_manage(
card,
(eicon_manifbuf *)a);
return ret;
case EICON_IOCTL_GETXLOG:
if (!card->flags & EICON_FLAGS_RUNNING)
return XLOG_ERR_CARD_STATE;
ret = eicon_xlog(card, (xlogreq_t *)a);
return ret;
#if CONFIG_PCI
case EICON_IOCTL_LOADPCI:
if (card->flags & EICON_FLAGS_RUNNING)
return -EBUSY;
if (card->bus == EICON_BUS_PCI) {
switch(card->type) {
case EICON_CTYPE_MAESTRA:
ret = eicon_pci_load_bri(
&(card->hwif.pci),
&(((eicon_codebuf *)a)->pci));
break;
case EICON_CTYPE_MAESTRAP:
ret = eicon_pci_load_pri(
&(card->hwif.pci),
&(((eicon_codebuf *)a)->pci));
break;
}
if (!ret) {
card->flags |= EICON_FLAGS_LOADED;
card->flags |= EICON_FLAGS_RUNNING;
if (card->hwif.pci.channels > 1) {
cmd.command = ISDN_STAT_ADDCH;
cmd.driver = card->myid;
cmd.arg = card->hwif.pci.channels - 1;
card->interface.statcallb(&cmd);
}
cmd.command = ISDN_STAT_RUN;
cmd.driver = card->myid;
cmd.arg = 0;
card->interface.statcallb(&cmd);
}
return ret;
} else return -ENODEV;
#endif
case EICON_IOCTL_ADDCARD:
if ((ret = copy_from_user(&cdef, (char *)a, sizeof(cdef))))
return -EFAULT;
if (!(eicon_addcard(0, cdef.membase, cdef.irq, cdef.id)))
return -EIO;
return 0;
case EICON_IOCTL_DEBUGVAR:
DebugVar = a;
eicon_log(card, 1, "Eicon: Debug Value set to %ld\n", DebugVar);
return 0;
#ifdef MODULE
case EICON_IOCTL_FREEIT:
while (MOD_USE_COUNT > 0) MOD_DEC_USE_COUNT;
MOD_INC_USE_COUNT;
return 0;
#endif
default:
return -EINVAL;
}
break;
case ISDN_CMD_DIAL:
if (!card->flags & EICON_FLAGS_RUNNING)
return -ENODEV;
if (!(chan = find_channel(card, c->arg & 0x1f)))
break;
save_flags(flags);
cli();
if ((chan->fsm_state != EICON_STATE_NULL) && (chan->fsm_state != EICON_STATE_LISTEN)) {
restore_flags(flags);
eicon_log(card, 1, "Dial on channel %d with state %d\n",
chan->No, chan->fsm_state);
return -EBUSY;
}
if (card->ptype == ISDN_PTYPE_EURO)
tmp[0] = eicon_find_msn(card, c->parm.setup.eazmsn, 1);
else
tmp[0] = c->parm.setup.eazmsn[0];
chan->fsm_state = EICON_STATE_OCALL;
restore_flags(flags);
ret = idi_connect_req(card, chan, c->parm.setup.phone,
c->parm.setup.eazmsn,
c->parm.setup.si1,
c->parm.setup.si2);
if (ret) {
cmd.driver = card->myid;
cmd.command = ISDN_STAT_DHUP;
cmd.arg &= 0x1f;
card->interface.statcallb(&cmd);
}
return ret;
case ISDN_CMD_ACCEPTD:
if (!card->flags & EICON_FLAGS_RUNNING)
return -ENODEV;
if (!(chan = find_channel(card, c->arg & 0x1f)))
break;
if (chan->fsm_state == EICON_STATE_ICALL) {
idi_connect_res(card, chan);
}
return 0;
case ISDN_CMD_ACCEPTB:
if (!card->flags & EICON_FLAGS_RUNNING)
return -ENODEV;
return 0;
case ISDN_CMD_HANGUP:
if (!card->flags & EICON_FLAGS_RUNNING)
return -ENODEV;
if (!(chan = find_channel(card, c->arg & 0x1f)))
break;
idi_hangup(card, chan);
return 0;
case ISDN_CMD_SETEAZ:
if (!card->flags & EICON_FLAGS_RUNNING)
return -ENODEV;
if (!(chan = find_channel(card, c->arg & 0x1f)))
break;
if (strlen(c->parm.num)) {
if (card->ptype == ISDN_PTYPE_EURO) {
chan->eazmask = eicon_find_msn(card, c->parm.num, 0);
}
if (card->ptype == ISDN_PTYPE_1TR6) {
int i;
chan->eazmask = 0;
for (i = 0; i < strlen(c->parm.num); i++)
if (isdigit(c->parm.num[i]))
chan->eazmask |= (1 << (c->parm.num[i] - '0'));
}
} else
chan->eazmask = 0x3ff;
eicon_idi_listen_req(card, chan);
return 0;
case ISDN_CMD_CLREAZ:
if (!card->flags & EICON_FLAGS_RUNNING)
return -ENODEV;
if (!(chan = find_channel(card, c->arg & 0x1f)))
break;
chan->eazmask = 0;
eicon_idi_listen_req(card, chan);
return 0;
case ISDN_CMD_SETL2:
if (!card->flags & EICON_FLAGS_RUNNING)
return -ENODEV;
if (!(chan = find_channel(card, c->arg & 0x1f)))
break;
chan->l2prot = (c->arg >> 8);
return 0;
case ISDN_CMD_GETL2:
if (!card->flags & EICON_FLAGS_RUNNING)
return -ENODEV;
if (!(chan = find_channel(card, c->arg & 0x1f)))
break;
return chan->l2prot;
case ISDN_CMD_SETL3:
if (!card->flags & EICON_FLAGS_RUNNING)
return -ENODEV;
if (!(chan = find_channel(card, c->arg & 0x1f)))
break;
chan->l3prot = (c->arg >> 8);
#ifdef CONFIG_ISDN_TTY_FAX
if (chan->l3prot == ISDN_PROTO_L3_FAX)
chan->fax = c->parm.fax;
#endif
return 0;
case ISDN_CMD_GETL3:
if (!card->flags & EICON_FLAGS_RUNNING)
return -ENODEV;
if (!(chan = find_channel(card, c->arg & 0x1f)))
break;
return chan->l3prot;
case ISDN_CMD_GETEAZ:
if (!card->flags & EICON_FLAGS_RUNNING)
return -ENODEV;
eicon_log(card, 1, "eicon CMD_GETEAZ not implemented\n");
return 0;
case ISDN_CMD_SETSIL:
if (!card->flags & EICON_FLAGS_RUNNING)
return -ENODEV;
eicon_log(card, 1, "eicon CMD_SETSIL not implemented\n");
return 0;
case ISDN_CMD_GETSIL:
if (!card->flags & EICON_FLAGS_RUNNING)
return -ENODEV;
eicon_log(card, 1, "eicon CMD_GETSIL not implemented\n");
return 0;
case ISDN_CMD_LOCK:
MOD_INC_USE_COUNT;
return 0;
case ISDN_CMD_UNLOCK:
MOD_DEC_USE_COUNT;
return 0;
#ifdef CONFIG_ISDN_TTY_FAX
case ISDN_CMD_FAXCMD:
if (!card->flags & EICON_FLAGS_RUNNING)
return -ENODEV;
if (!(chan = find_channel(card, c->arg & 0x1f)))
break;
if (!chan->fax)
break;
idi_fax_cmd(card, chan);
return 0;
#endif
case ISDN_CMD_AUDIO:
if (!card->flags & EICON_FLAGS_RUNNING)
return -ENODEV;
if (!(chan = find_channel(card, c->arg & 0x1f)))
break;
idi_audio_cmd(card, chan, c->arg >> 8, c->parm.num);
return 0;
}
return -EINVAL;
}
/*
* Find card with given driverId
*/
static inline eicon_card *
eicon_findcard(int driverid)
{
eicon_card *p = cards;
while (p) {
if (p->myid == driverid)
return p;
p = p->next;
}
return (eicon_card *) 0;
}
/*
* Wrapper functions for interface to linklevel
*/
static int
if_command(isdn_ctrl * c)
{
eicon_card *card = eicon_findcard(c->driver);
if (card)
return (eicon_command(card, c));
printk(KERN_ERR
"eicon: if_command %d called with invalid driverId %d!\n",
c->command, c->driver);
return -ENODEV;
}
static int
if_writecmd(const u_char * buf, int len, int user, int id, int channel)
{
return (len);
}
static int
if_readstatus(u_char * buf, int len, int user, int id, int channel)
{
int count = 0;
int cnt = 0;
ulong flags = 0;
u_char *p = buf;
struct sk_buff *skb;
eicon_card *card = eicon_findcard(id);
if (card) {
if (!card->flags & EICON_FLAGS_RUNNING)
return -ENODEV;
save_flags(flags);
cli();
while((skb = skb_dequeue(&card->statq))) {
if ((skb->len + count) > len)
cnt = len - count;
else
cnt = skb->len;
if (user)
copy_to_user(p, skb->data, cnt);
else
memcpy(p, skb->data, cnt);
count += cnt;
p += cnt;
if (cnt == skb->len) {
dev_kfree_skb(skb);
if (card->statq_entries > 0)
card->statq_entries--;
} else {
skb_pull(skb, cnt);
skb_queue_head(&card->statq, skb);
restore_flags(flags);
return count;
}
}
card->statq_entries = 0;
restore_flags(flags);
return count;
}
printk(KERN_ERR
"eicon: if_readstatus called with invalid driverId!\n");
return 0;
}
static int
if_sendbuf(int id, int channel, int ack, struct sk_buff *skb)
{
eicon_card *card = eicon_findcard(id);
eicon_chan *chan;
int ret = 0;
int len;
len = skb->len;
if (card) {
if (!card->flags & EICON_FLAGS_RUNNING)
return -ENODEV;
if (!(chan = find_channel(card, channel)))
return -ENODEV;
if (chan->fsm_state == EICON_STATE_ACTIVE) {
#ifdef CONFIG_ISDN_TTY_FAX
if (chan->l2prot == ISDN_PROTO_L2_FAX) {
if ((ret = idi_faxdata_send(card, chan, skb)) > 0)
ret = len;
}
else
#endif
ret = idi_send_data(card, chan, ack, skb, 1);
return (ret);
} else {
return -ENODEV;
}
}
printk(KERN_ERR
"eicon: if_sendbuf called with invalid driverId!\n");
return -ENODEV;
}
/* jiftime() copied from HiSax */
inline int
jiftime(char *s, long mark)
{
s += 8;
*s-- = '\0';
*s-- = mark % 10 + '0';
mark /= 10;
*s-- = mark % 10 + '0';
mark /= 10;
*s-- = '.';
*s-- = mark % 10 + '0';
mark /= 10;
*s-- = mark % 6 + '0';
mark /= 6;
*s-- = ':';
*s-- = mark % 10 + '0';
mark /= 10;
*s-- = mark % 10 + '0';
return(8);
}
void
eicon_putstatus(eicon_card * card, char * buf)
{
ulong flags;
int count;
isdn_ctrl cmd;
u_char *p;
struct sk_buff *skb;
if (!card)
return;
save_flags(flags);
cli();
count = strlen(buf);
skb = alloc_skb(count, GFP_ATOMIC);
if (!skb) {
restore_flags(flags);
printk(KERN_ERR "eicon: could not alloc skb in putstatus\n");
return;
}
p = skb_put(skb, count);
memcpy(p, buf, count);
skb_queue_tail(&card->statq, skb);
if (card->statq_entries >= MAX_STATUS_BUFFER) {
if ((skb = skb_dequeue(&card->statq))) {
count -= skb->len;
dev_kfree_skb(skb);
} else
count = 0;
} else
card->statq_entries++;
restore_flags(flags);
if (count) {
cmd.command = ISDN_STAT_STAVAIL;
cmd.driver = card->myid;
cmd.arg = count;
card->interface.statcallb(&cmd);
}
}
/*
* Debug and Log
*/
void
eicon_log(eicon_card * card, int level, const char *fmt, ...)
{
va_list args;
char Line[160];
u_char *p;
if ((DebugVar & level) || (DebugVar & 256)) {
va_start(args, fmt);
if (DebugVar & level) {
if (DebugVar & 256) {
/* log-buffer */
p = Line;
p += jiftime(p, jiffies);
*p++ = 32;
p += vsprintf(p, fmt, args);
*p = 0;
eicon_putstatus(card, Line);
} else {
/* printk, syslogd */
vsprintf(Line, fmt, args);
printk(KERN_DEBUG "%s", Line);
}
}
va_end(args);
}
}
/*
* Allocate a new card-struct, initialize it
* link it into cards-list.
*/
static void
eicon_alloccard(int Type, int membase, int irq, char *id)
{
int i;
int j;
int qloop;
#ifdef CONFIG_ISDN_DRV_EICON_ISA
char qid[5];
#endif
eicon_card *card;
#if CONFIG_PCI
eicon_pci_card *pcic;
#endif
qloop = (Type == EICON_CTYPE_QUADRO)?2:0;
for (i = 0; i <= qloop; i++) {
if (!(card = (eicon_card *) kmalloc(sizeof(eicon_card), GFP_KERNEL))) {
eicon_log(card, 1,
"eicon: (%s) Could not allocate card-struct.\n", id);
return;
}
memset((char *) card, 0, sizeof(eicon_card));
skb_queue_head_init(&card->sndq);
skb_queue_head_init(&card->rcvq);
skb_queue_head_init(&card->rackq);
skb_queue_head_init(&card->sackq);
skb_queue_head_init(&card->statq);
card->statq_entries = 0;
card->snd_tq.routine = (void *) (void *) eicon_transmit;
card->snd_tq.data = card;
card->rcv_tq.routine = (void *) (void *) eicon_rcv_dispatch;
card->rcv_tq.data = card;
card->ack_tq.routine = (void *) (void *) eicon_ack_dispatch;
card->ack_tq.data = card;
card->interface.maxbufsize = 4000;
card->interface.command = if_command;
card->interface.writebuf_skb = if_sendbuf;
card->interface.writecmd = if_writecmd;
card->interface.readstat = if_readstatus;
card->interface.features =
ISDN_FEATURE_L2_X75I |
ISDN_FEATURE_L2_HDLC |
ISDN_FEATURE_L2_TRANS |
ISDN_FEATURE_L3_TRANS |
ISDN_FEATURE_P_UNKNOWN;
card->interface.hl_hdrlen = 20;
card->ptype = ISDN_PTYPE_UNKNOWN;
strncpy(card->interface.id, id, sizeof(card->interface.id) - 1);
card->myid = -1;
card->type = Type;
switch (Type) {
#ifdef CONFIG_ISDN_DRV_EICON_ISA
#if CONFIG_MCA /* only needed for MCA */
case EICON_CTYPE_S:
case EICON_CTYPE_SX:
case EICON_CTYPE_SCOM:
if (membase == -1)
membase = EICON_ISA_MEMBASE;
if (irq == -1)
irq = EICON_ISA_IRQ;
card->bus = EICON_BUS_MCA;
card->hwif.isa.card = (void *)card;
card->hwif.isa.shmem = (eicon_isa_shmem *)membase;
card->hwif.isa.master = 1;
card->hwif.isa.irq = irq;
card->hwif.isa.type = Type;
card->nchannels = 2;
card->interface.channels = 1;
break;
#endif /* CONFIG_MCA */
case EICON_CTYPE_QUADRO:
if (membase == -1)
membase = EICON_ISA_MEMBASE;
if (irq == -1)
irq = EICON_ISA_IRQ;
card->bus = EICON_BUS_ISA;
card->hwif.isa.card = (void *)card;
card->hwif.isa.shmem = (eicon_isa_shmem *)(membase + (i+1) * EICON_ISA_QOFFSET);
card->hwif.isa.master = 0;
strcpy(card->interface.id, id);
if (id[strlen(id) - 1] == 'a') {
card->interface.id[strlen(id) - 1] = 'a' + i + 1;
} else {
sprintf(qid, "_%c",'2' + i);
strcat(card->interface.id, qid);
}
printk(KERN_INFO "Eicon: Quadro: Driver-Id %s added.\n",
card->interface.id);
if (i == 0) {
eicon_card *p = cards;
while(p) {
if ((p->hwif.isa.master) && (p->hwif.isa.irq == irq)) {
p->qnext = card;
break;
}
p = p->next;
}
if (!p) {
eicon_log(card, 1, "eicon_alloccard: Quadro Master not found.\n");
kfree(card);
return;
}
} else {
cards->qnext = card;
}
card->hwif.isa.irq = irq;
card->hwif.isa.type = Type;
card->nchannels = 2;
card->interface.channels = 1;
break;
#endif
#if CONFIG_PCI
case EICON_CTYPE_MAESTRA:
(eicon_pci_card *)pcic = (eicon_pci_card *)membase;
card->bus = EICON_BUS_PCI;
card->interface.features |=
ISDN_FEATURE_L2_V11096 |
ISDN_FEATURE_L2_V11019 |
ISDN_FEATURE_L2_V11038 |
ISDN_FEATURE_L2_MODEM |
ISDN_FEATURE_L2_FAX |
ISDN_FEATURE_L3_TRANSDSP |
ISDN_FEATURE_L3_FAX;
card->hwif.pci.card = (void *)card;
card->hwif.pci.PCIreg = pcic->PCIreg;
card->hwif.pci.PCIcfg = pcic->PCIcfg;
card->hwif.pci.master = 1;
card->hwif.pci.mvalid = pcic->mvalid;
card->hwif.pci.ivalid = 0;
card->hwif.pci.irq = irq;
card->hwif.pci.type = Type;
card->flags = 0;
card->nchannels = 2;
card->interface.channels = 1;
break;
case EICON_CTYPE_MAESTRAP:
(eicon_pci_card *)pcic = (eicon_pci_card *)membase;
card->bus = EICON_BUS_PCI;
card->interface.features |=
ISDN_FEATURE_L2_V11096 |
ISDN_FEATURE_L2_V11019 |
ISDN_FEATURE_L2_V11038 |
ISDN_FEATURE_L2_MODEM |
ISDN_FEATURE_L2_FAX |
ISDN_FEATURE_L3_TRANSDSP |
ISDN_FEATURE_L3_FAX;
card->hwif.pci.card = (void *)card;
card->hwif.pci.shmem = (eicon_pci_shmem *)pcic->shmem;
card->hwif.pci.PCIreg = pcic->PCIreg;
card->hwif.pci.PCIram = pcic->PCIram;
card->hwif.pci.PCIcfg = pcic->PCIcfg;
card->hwif.pci.master = 1;
card->hwif.pci.mvalid = pcic->mvalid;
card->hwif.pci.ivalid = 0;
card->hwif.pci.irq = irq;
card->hwif.pci.type = Type;
card->flags = 0;
card->nchannels = 30;
card->interface.channels = 1;
break;
#endif
#ifdef CONFIG_ISDN_DRV_EICON_ISA
case EICON_CTYPE_ISABRI:
if (membase == -1)
membase = EICON_ISA_MEMBASE;
if (irq == -1)
irq = EICON_ISA_IRQ;
card->bus = EICON_BUS_ISA;
card->hwif.isa.card = (void *)card;
card->hwif.isa.shmem = (eicon_isa_shmem *)membase;
card->hwif.isa.master = 1;
card->hwif.isa.irq = irq;
card->hwif.isa.type = Type;
card->nchannels = 2;
card->interface.channels = 1;
break;
case EICON_CTYPE_ISAPRI:
if (membase == -1)
membase = EICON_ISA_MEMBASE;
if (irq == -1)
irq = EICON_ISA_IRQ;
card->bus = EICON_BUS_ISA;
card->hwif.isa.card = (void *)card;
card->hwif.isa.shmem = (eicon_isa_shmem *)membase;
card->hwif.isa.master = 1;
card->hwif.isa.irq = irq;
card->hwif.isa.type = Type;
card->nchannels = 30;
card->interface.channels = 1;
break;
#endif
default:
eicon_log(card, 1, "eicon_alloccard: Invalid type %d\n", Type);
kfree(card);
return;
}
if (!(card->bch = (eicon_chan *) kmalloc(sizeof(eicon_chan) * (card->nchannels + 1)
, GFP_KERNEL))) {
eicon_log(card, 1,
"eicon: (%s) Could not allocate bch-struct.\n", id);
kfree(card);
return;
}
for (j=0; j< (card->nchannels + 1); j++) {
memset((char *)&card->bch[j], 0, sizeof(eicon_chan));
card->bch[j].plci = 0x8000;
card->bch[j].ncci = 0x8000;
card->bch[j].l2prot = ISDN_PROTO_L2_X75I;
card->bch[j].l3prot = ISDN_PROTO_L3_TRANS;
card->bch[j].e.D3Id = 0;
card->bch[j].e.B2Id = 0;
card->bch[j].e.Req = 0;
card->bch[j].No = j;
skb_queue_head_init(&card->bch[j].e.X);
skb_queue_head_init(&card->bch[j].e.R);
}
card->next = cards;
cards = card;
}
}
/*
* register card at linklevel
*/
static int
eicon_registercard(eicon_card * card)
{
switch (card->bus) {
#ifdef CONFIG_ISDN_DRV_EICON_ISA
case EICON_BUS_ISA:
/* TODO something to print */
break;
#ifdef CONFIG_MCA
case EICON_BUS_MCA:
eicon_isa_printpar(&card->hwif.isa);
break;
#endif /* CONFIG_MCA */
#endif
case EICON_BUS_PCI:
#if CONFIG_PCI
eicon_pci_printpar(&card->hwif.pci);
break;
#endif
default:
eicon_log(card, 1,
"eicon_registercard: Illegal BUS type %d\n",
card->bus);
return -1;
}
if (!register_isdn(&card->interface)) {
printk(KERN_WARNING
"eicon_registercard: Unable to register %s\n",
card->interface.id);
return -1;
}
card->myid = card->interface.channels;
sprintf(card->regname, "%s", card->interface.id);
return 0;
}
#ifdef MODULE
static void
unregister_card(eicon_card * card)
{
isdn_ctrl cmd;
cmd.command = ISDN_STAT_UNLOAD;
cmd.driver = card->myid;
card->interface.statcallb(&cmd);
switch (card->bus) {
#ifdef CONFIG_ISDN_DRV_EICON_ISA
case EICON_BUS_ISA:
#ifdef CONFIG_MCA
case EICON_BUS_MCA:
#endif /* CONFIG_MCA */
eicon_isa_release(&card->hwif.isa);
break;
#endif
case EICON_BUS_PCI:
#if CONFIG_PCI
eicon_pci_release(&card->hwif.pci);
break;
#endif
default:
eicon_log(card, 1,
"eicon: Invalid BUS type %d\n",
card->bus);
break;
}
}
#endif /* MODULE */
static void
eicon_freecard(eicon_card *card) {
int i;
struct sk_buff *skb;
for(i = 0; i < (card->nchannels + 1); i++) {
while((skb = skb_dequeue(&card->bch[i].e.X)))
dev_kfree_skb(skb);
while((skb = skb_dequeue(&card->bch[i].e.R)))
dev_kfree_skb(skb);
}
while((skb = skb_dequeue(&card->sndq)))
dev_kfree_skb(skb);
while((skb = skb_dequeue(&card->rcvq)))
dev_kfree_skb(skb);
while((skb = skb_dequeue(&card->rackq)))
dev_kfree_skb(skb);
while((skb = skb_dequeue(&card->sackq)))
dev_kfree_skb(skb);
while((skb = skb_dequeue(&card->statq)))
dev_kfree_skb(skb);
eicon_clear_msn(card);
kfree(card->bch);
kfree(card);
}
int
eicon_addcard(int Type, int membase, int irq, char *id)
{
eicon_card *p;
eicon_card *q = NULL;
int registered;
int added = 0;
int failed = 0;
#ifdef CONFIG_ISDN_DRV_EICON_ISA
if (!Type) /* ISA */
if ((Type = eicon_isa_find_card(membase, irq, id)) < 0)
return 0;
#endif
eicon_alloccard(Type, membase, irq, id);
p = cards;
while (p) {
registered = 0;
if (!p->interface.statcallb) {
/* Not yet registered.
* Try to register and activate it.
*/
added++;
switch (p->bus) {
#ifdef CONFIG_ISDN_DRV_EICON_ISA
case EICON_BUS_ISA:
case EICON_BUS_MCA:
if (eicon_registercard(p))
break;
registered = 1;
break;
#endif
case EICON_BUS_PCI:
#if CONFIG_PCI
if (eicon_registercard(p))
break;
registered = 1;
break;
#endif
default:
printk(KERN_ERR
"eicon: addcard: Invalid BUS type %d\n",
p->bus);
}
} else
/* Card already registered */
registered = 1;
if (registered) {
/* Init OK, next card ... */
q = p;
p = p->next;
} else {
/* registering failed, remove card from list, free memory */
printk(KERN_ERR
"eicon: Initialization of %s failed\n",
p->interface.id);
if (q) {
q->next = p->next;
eicon_freecard(p);
p = q->next;
} else {
cards = p->next;
eicon_freecard(p);
p = cards;
}
failed++;
}
}
return (added - failed);
}
#define DRIVERNAME "Eicon active ISDN driver"
#define DRIVERRELEASE "1"
#ifdef MODULE
#define eicon_init init_module
#endif
int
eicon_init(void)
{
int card_count = 0;
int release = 0;
char tmprev[50];
DebugVar = 1;
printk(KERN_INFO "%s Rev: ", DRIVERNAME);
strcpy(tmprev, eicon_revision);
printk("%s/", eicon_getrev(tmprev));
release += getrel(tmprev);
strcpy(tmprev, eicon_pci_revision);
#if CONFIG_PCI
printk("%s/", eicon_getrev(tmprev));
#else
printk("---/");
#endif
release += getrel(tmprev);
strcpy(tmprev, eicon_isa_revision);
#ifdef CONFIG_ISDN_DRV_EICON_ISA
printk("%s/", eicon_getrev(tmprev));
#else
printk("---/");
#endif
release += getrel(tmprev);
strcpy(tmprev, eicon_idi_revision);
printk("%s\n", eicon_getrev(tmprev));
release += getrel(tmprev);
sprintf(tmprev,"%d", release);
printk(KERN_INFO "%s Release: %s.%s%s\n", DRIVERNAME,
DRIVERRELEASE, tmprev, DRIVERPATCH);
#ifdef CONFIG_ISDN_DRV_EICON_ISA
#ifdef CONFIG_MCA
/* Check if we have MCA-bus */
if (!MCA_bus)
{
printk(KERN_INFO
"eicon: No MCA bus, ISDN-interfaces not probed.\n");
} else {
eicon_log(NULL, 8,
"eicon_mca_find_card, irq=%d.\n",
irq);
if (!eicon_mca_find_card(0, membase, irq, id))
card_count++;
};
#else
card_count = eicon_addcard(0, membase, irq, id);
#endif /* CONFIG_MCA */
#endif /* CONFIG_ISDN_DRV_EICON_ISA */
#if CONFIG_PCI
card_count += eicon_pci_find_card(id);
#endif
if (!cards) {
#ifdef MODULE
#ifndef CONFIG_PCI
#ifndef CONFIG_ISDN_DRV_EICON_ISA
printk(KERN_INFO "Eicon: Driver is neither ISA nor PCI compiled !\n");
#else
printk(KERN_INFO "Eicon: No cards defined, driver not loaded !\n");
#endif
#else
printk(KERN_INFO "Eicon: No PCI-cards found, driver not loaded !\n");
#endif
#endif /* MODULE */
return -ENODEV;
} else
printk(KERN_INFO "Eicon: %d card%s added\n", card_count,
(card_count>1)?"s":"");
/* No symbols to export, hide all symbols */
EXPORT_NO_SYMBOLS;
return 0;
}
#ifdef MODULE
void
cleanup_module(void)
{
eicon_card *card = cards;
eicon_card *last;
while (card) {
#ifdef CONFIG_ISDN_DRV_EICON_ISA
#ifdef CONFIG_MCA
if (MCA_bus)
{
mca_mark_as_unused (card->mca_slot);
mca_set_adapter_procfn(card->mca_slot, NULL, NULL);
};
#endif /* CONFIG_MCA */
#endif
unregister_card(card);
card = card->next;
}
card = cards;
while (card) {
last = card;
card = card->next;
eicon_freecard(last);
}
printk(KERN_INFO "%s unloaded\n", DRIVERNAME);
}
#else /* no module */
static int __init
eicon_setup(char *line)
{
int i, argc;
int ints[5];
char *str;
str = get_options(line, 4, ints);
argc = ints[0];
i = 1;
#ifdef CONFIG_ISDN_DRV_EICON_ISA
if (argc) {
membase = irq = -1;
if (argc) {
membase = ints[i];
i++;
argc--;
}
if (argc) {
irq = ints[i];
i++;
argc--;
}
if (strlen(str)) {
strcpy(id, str);
} else {
strcpy(id, "eicon");
}
printk(KERN_INFO "Eicon ISDN active driver setup (id=%s membase=0x%x irq=%d)\n",
id, membase, irq);
}
#else
printk(KERN_INFO "Eicon ISDN active driver setup\n");
#endif
return(1);
}
__setup("eicon=", eicon_setup);
#endif /* MODULE */
#ifdef CONFIG_ISDN_DRV_EICON_ISA
#ifdef CONFIG_MCA
struct eicon_mca_adapters_struct {
char * name;
int adf_id;
};
/* possible MCA-brands of eicon cards */
struct eicon_mca_adapters_struct eicon_mca_adapters[] = {
{ "ISDN-P/2 Adapter", 0x6abb },
{ "ISDN-[S|SX|SCOM]/2 Adapter", 0x6a93 },
{ "DIVA /MCA", 0x6336 },
{ NULL, 0 },
};
int eicon_mca_find_card(int type, /* type-idx of eicon-card */
int membase,
int irq,
char * id) /* name of eicon-isdn-dev */
{
int j, curr_slot = 0;
eicon_log(NULL, 8,
"eicon_mca_find_card type: %d, membase: %#x, irq %d \n",
type, membase, irq);
/* find a no-driver-assigned eicon card */
for (j=0; eicon_mca_adapters[j].adf_id != 0; j++)
{
for ( curr_slot=0; curr_slot<=MCA_MAX_SLOT_NR; curr_slot++)
{
curr_slot = mca_find_unused_adapter(
eicon_mca_adapters[j].adf_id, curr_slot);
if (curr_slot != MCA_NOTFOUND)
{
/* check if pre-set parameters match
these of the card, check cards memory */
if (!(int) eicon_mca_probe(curr_slot,
j,
membase,
irq,
id))
{
return 0;
/* means: adapter parms did match */
};
};
break;
/* MCA_NOTFOUND-branch: no matching adapter of
THIS flavor found, next flavor */
};
};
/* all adapter flavors checked without match, finito with: */
return ENODEV;
};
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* stolen from 3c523.c/elmc_getinfo, ewe, 10.5.1999
*/
int eicon_info(char * buf, int slot, void *d)
{
int len = 0;
struct eicon_card *dev;
dev = (struct eicon_card *) d;
if (dev == NULL)
return len;
len += sprintf(buf+len, "eicon ISDN adapter, type %d.\n",dev->type);
len += sprintf(buf+len, "IRQ: %d\n", dev->hwif.isa.irq);
len += sprintf(buf+len, "MEMBASE: %#lx\n", (unsigned long)dev->hwif.isa.shmem);
return len;
};
int eicon_mca_probe(int slot, /* slot-nr where the card was detected */
int a_idx, /* idx-nr of probed card in eicon_mca_adapters */
int membase,
int irq,
char * id) /* name of eicon-isdn-dev */
{
unsigned char adf_pos0;
int cards_irq, cards_membase, cards_io;
int type = EICON_CTYPE_S;
int irq_array[]={0,3,4,2};
int irq_array1[]={3,4,0,0,2,10,11,12};
adf_pos0 = mca_read_stored_pos(slot,2);
eicon_log(NULL, 8,
"eicon_mca_probe irq=%d, membase=%d\n",
irq,
membase);
switch (a_idx) {
case 0: /* P/2-Adapter (== PRI/S2M ? ) */
cards_membase= 0xC0000+((adf_pos0>>4)*0x4000);
if (membase == -1) {
membase = cards_membase;
} else {
if (membase != cards_membase)
return ENODEV;
};
cards_irq=irq_array[((adf_pos0 & 0xC)>>2)];
if (irq == -1) {
irq = cards_irq;
} else {
if (irq != cards_irq)
return ENODEV;
};
cards_io= 0xC00 + ((adf_pos0>>4)*0x10);
type = EICON_CTYPE_ISAPRI;
break;
case 1: /* [S|SX|SCOM]/2 */
cards_membase= 0xC0000+((adf_pos0>>4)*0x2000);
if (membase == -1) {
membase = cards_membase;
} else {
if (membase != cards_membase)
return ENODEV;
};
cards_irq=irq_array[((adf_pos0 & 0xC)>>2)];
if (irq == -1) {
irq = cards_irq;
} else {
if (irq != cards_irq)
return ENODEV;
};
cards_io= 0xC00 + ((adf_pos0>>4)*0x10);
type = EICON_CTYPE_SCOM;
break;
case 2: /* DIVA/MCA */
cards_io = 0x200+ ((adf_pos0>>4)* 0x20);
cards_irq = irq_array1[(adf_pos0 & 0x7)];
if (irq == -1) {
irq = cards_irq;
} else {
if (irq != cards_irq)
return ENODEV;
};
type = 0;
break;
default:
return ENODEV;
};
/* matching membase & irq */
if ( 1 == eicon_addcard(type, membase, irq, id)) {
mca_set_adapter_name(slot, eicon_mca_adapters[a_idx].name);
mca_set_adapter_procfn(slot, (MCA_ProcFn) eicon_info, cards);
mca_mark_as_used(slot);
cards->mca_slot = slot;
/* card->io noch setzen oder ?? */
cards->mca_io = cards_io;
cards->hwif.isa.io = cards_io;
/* reset card */
outb_p(0,cards_io+1);
eicon_log(NULL, 8, "eicon_addcard: successful for slot # %d.\n",
cards->mca_slot+1);
return 0 ; /* eicon_addcard added a card */
} else {
return ENODEV;
};
};
#endif /* CONFIG_MCA */
#endif /* CONFIG_ISDN_DRV_EICON_ISA */
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