116 lines
2.6 KiB
C
116 lines
2.6 KiB
C
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/* $Id: diddfunc.c,v 1.14.6.2 2004/08/28 20:03:53 armin Exp $
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*
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* DIDD Interface module for Eicon active cards.
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*
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* Functions are in dadapter.c
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*
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* Copyright 2002-2003 by Armin Schindler (mac@melware.de)
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* Copyright 2002-2003 Cytronics & Melware (info@melware.de)
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*
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* This software may be used and distributed according to the terms
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* of the GNU General Public License, incorporated herein by reference.
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*/
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#include "platform.h"
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#include "di_defs.h"
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#include "dadapter.h"
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#include "divasync.h"
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#define DBG_MINIMUM (DL_LOG + DL_FTL + DL_ERR)
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#define DBG_DEFAULT (DBG_MINIMUM + DL_XLOG + DL_REG)
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extern void DIVA_DIDD_Read(void *, int);
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extern char *DRIVERRELEASE_DIDD;
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static dword notify_handle;
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static DESCRIPTOR _DAdapter;
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/*
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* didd callback function
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*/
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static void *didd_callback(void *context, DESCRIPTOR *adapter,
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int removal)
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{
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if (adapter->type == IDI_DADAPTER) {
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DBG_ERR(("Notification about IDI_DADAPTER change ! Oops."))
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return (NULL);
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} else if (adapter->type == IDI_DIMAINT) {
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if (removal) {
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DbgDeregister();
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} else {
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DbgRegister("DIDD", DRIVERRELEASE_DIDD, DBG_DEFAULT);
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}
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}
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return (NULL);
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}
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/*
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* connect to didd
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*/
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static int DIVA_INIT_FUNCTION connect_didd(void)
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{
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int x = 0;
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int dadapter = 0;
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IDI_SYNC_REQ req;
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DESCRIPTOR DIDD_Table[MAX_DESCRIPTORS];
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DIVA_DIDD_Read(DIDD_Table, sizeof(DIDD_Table));
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for (x = 0; x < MAX_DESCRIPTORS; x++) {
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if (DIDD_Table[x].type == IDI_DADAPTER) { /* DADAPTER found */
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dadapter = 1;
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memcpy(&_DAdapter, &DIDD_Table[x], sizeof(_DAdapter));
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req.didd_notify.e.Req = 0;
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req.didd_notify.e.Rc =
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IDI_SYNC_REQ_DIDD_REGISTER_ADAPTER_NOTIFY;
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req.didd_notify.info.callback = (void *)didd_callback;
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req.didd_notify.info.context = NULL;
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_DAdapter.request((ENTITY *)&req);
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if (req.didd_notify.e.Rc != 0xff)
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return (0);
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notify_handle = req.didd_notify.info.handle;
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} else if (DIDD_Table[x].type == IDI_DIMAINT) { /* MAINT found */
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DbgRegister("DIDD", DRIVERRELEASE_DIDD, DBG_DEFAULT);
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}
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}
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return (dadapter);
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}
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/*
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* disconnect from didd
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*/
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static void DIVA_EXIT_FUNCTION disconnect_didd(void)
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{
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IDI_SYNC_REQ req;
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req.didd_notify.e.Req = 0;
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req.didd_notify.e.Rc = IDI_SYNC_REQ_DIDD_REMOVE_ADAPTER_NOTIFY;
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req.didd_notify.info.handle = notify_handle;
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_DAdapter.request((ENTITY *)&req);
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}
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/*
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* init
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*/
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int DIVA_INIT_FUNCTION diddfunc_init(void)
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{
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diva_didd_load_time_init();
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if (!connect_didd()) {
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DBG_ERR(("init: failed to connect to DIDD."))
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diva_didd_load_time_finit();
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return (0);
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}
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return (1);
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}
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/*
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* finit
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*/
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void DIVA_EXIT_FUNCTION diddfunc_finit(void)
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{
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DbgDeregister();
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disconnect_didd();
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diva_didd_load_time_finit();
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}
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