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/* $Id: divasfunc.c,v 1.23.4.2 2004/08/28 20:03:53 armin Exp $
*
* Low level driver for Eicon DIVA Server ISDN cards.
*
* Copyright 2000-2003 by Armin Schindler (mac@melware.de)
* Copyright 2000-2003 Cytronics & Melware (info@melware.de)
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*/
#include "platform.h"
#include "di_defs.h"
#include "pc.h"
#include "di.h"
#include "io.h"
#include "divasync.h"
#include "diva.h"
#include "xdi_vers.h"
#define DBG_MINIMUM (DL_LOG + DL_FTL + DL_ERR)
#define DBG_DEFAULT (DBG_MINIMUM + DL_XLOG + DL_REG)
static int debugmask;
extern void DIVA_DIDD_Read(void *, int);
extern PISDN_ADAPTER IoAdapters[MAX_ADAPTER];
extern char *DRIVERRELEASE_DIVAS;
static dword notify_handle;
static DESCRIPTOR DAdapter;
static DESCRIPTOR MAdapter;
/* --------------------------------------------------------------------------
MAINT driver connector section
-------------------------------------------------------------------------- */
static void no_printf(unsigned char *x, ...)
{
/* dummy debug function */
}
#include "debuglib.c"
/*
* get the adapters serial number
*/
void diva_get_vserial_number(PISDN_ADAPTER IoAdapter, char *buf)
{
int contr = 0;
if ((contr = ((IoAdapter->serialNo & 0xff000000) >> 24))) {
sprintf(buf, "%d-%d",
IoAdapter->serialNo & 0x00ffffff, contr + 1);
} else {
sprintf(buf, "%d", IoAdapter->serialNo);
}
}
/*
* register a new adapter
*/
void diva_xdi_didd_register_adapter(int card)
{
DESCRIPTOR d;
IDI_SYNC_REQ req;
if (card && ((card - 1) < MAX_ADAPTER) &&
IoAdapters[card - 1] && Requests[card - 1]) {
d.type = IoAdapters[card - 1]->Properties.DescType;
d.request = Requests[card - 1];
d.channels = IoAdapters[card - 1]->Properties.Channels;
d.features = IoAdapters[card - 1]->Properties.Features;
DBG_TRC(("DIDD register A(%d) channels=%d", card,
d.channels))
/* workaround for different Name in structure */
strlcpy(IoAdapters[card - 1]->Name,
IoAdapters[card - 1]->Properties.Name,
sizeof(IoAdapters[card - 1]->Name));
req.didd_remove_adapter.e.Req = 0;
req.didd_add_adapter.e.Rc = IDI_SYNC_REQ_DIDD_ADD_ADAPTER;
req.didd_add_adapter.info.descriptor = (void *) &d;
DAdapter.request((ENTITY *)&req);
if (req.didd_add_adapter.e.Rc != 0xff) {
DBG_ERR(("DIDD register A(%d) failed !", card))
}
IoAdapters[card - 1]->os_trap_nfy_Fnc = NULL;
}
}
/*
* remove an adapter
*/
void diva_xdi_didd_remove_adapter(int card)
{
IDI_SYNC_REQ req;
ADAPTER *a = &IoAdapters[card - 1]->a;
IoAdapters[card - 1]->os_trap_nfy_Fnc = NULL;
DBG_TRC(("DIDD de-register A(%d)", card))
req.didd_remove_adapter.e.Req = 0;
req.didd_remove_adapter.e.Rc = IDI_SYNC_REQ_DIDD_REMOVE_ADAPTER;
req.didd_remove_adapter.info.p_request =
(IDI_CALL) Requests[card - 1];
DAdapter.request((ENTITY *)&req);
memset(&(a->IdTable), 0x00, 256);
}
/*
* start debug
*/
static void start_dbg(void)
{
DbgRegister("DIVAS", DRIVERRELEASE_DIVAS, (debugmask) ? debugmask : DBG_DEFAULT);
DBG_LOG(("DIVA ISDNXDI BUILD (%s[%s])",
DIVA_BUILD, diva_xdi_common_code_build))
}
/*
* stop debug
*/
static void stop_dbg(void)
{
DbgDeregister();
memset(&MAdapter, 0, sizeof(MAdapter));
dprintf = no_printf;
}
/*
* didd callback function
*/
static void *didd_callback(void *context, DESCRIPTOR *adapter,
int removal)
{
if (adapter->type == IDI_DADAPTER) {
DBG_ERR(("Notification about IDI_DADAPTER change ! Oops."));
return (NULL);
}
if (adapter->type == IDI_DIMAINT) {
if (removal) {
stop_dbg();
} else {
memcpy(&MAdapter, adapter, sizeof(MAdapter));
dprintf = (DIVA_DI_PRINTF) MAdapter.request;
start_dbg();
}
}
return (NULL);
}
/*
* connect to didd
*/
static int __init connect_didd(void)
{
int x = 0;
int dadapter = 0;
IDI_SYNC_REQ req;
DESCRIPTOR DIDD_Table[MAX_DESCRIPTORS];
DIVA_DIDD_Read(DIDD_Table, sizeof(DIDD_Table));
for (x = 0; x < MAX_DESCRIPTORS; x++) {
if (DIDD_Table[x].type == IDI_DADAPTER) { /* DADAPTER found */
dadapter = 1;
memcpy(&DAdapter, &DIDD_Table[x], sizeof(DAdapter));
req.didd_notify.e.Req = 0;
req.didd_notify.e.Rc =
IDI_SYNC_REQ_DIDD_REGISTER_ADAPTER_NOTIFY;
req.didd_notify.info.callback = (void *)didd_callback;
req.didd_notify.info.context = NULL;
DAdapter.request((ENTITY *)&req);
if (req.didd_notify.e.Rc != 0xff) {
stop_dbg();
return (0);
}
notify_handle = req.didd_notify.info.handle;
} else if (DIDD_Table[x].type == IDI_DIMAINT) { /* MAINT found */
memcpy(&MAdapter, &DIDD_Table[x], sizeof(DAdapter));
dprintf = (DIVA_DI_PRINTF) MAdapter.request;
start_dbg();
}
}
if (!dadapter) {
stop_dbg();
}
return (dadapter);
}
/*
* disconnect from didd
*/
static void disconnect_didd(void)
{
IDI_SYNC_REQ req;
stop_dbg();
req.didd_notify.e.Req = 0;
req.didd_notify.e.Rc = IDI_SYNC_REQ_DIDD_REMOVE_ADAPTER_NOTIFY;
req.didd_notify.info.handle = notify_handle;
DAdapter.request((ENTITY *)&req);
}
/*
* init
*/
int __init divasfunc_init(int dbgmask)
{
char *version;
debugmask = dbgmask;
if (!connect_didd()) {
DBG_ERR(("divasfunc: failed to connect to DIDD."))
return (0);
}
version = diva_xdi_common_code_build;
divasa_xdi_driver_entry();
return (1);
}
/*
* exit
*/
void divasfunc_exit(void)
{
divasa_xdi_driver_unload();
disconnect_didd();
}
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