/* $Id: diddfunc.c,v 1.14.6.2 2004/08/28 20:03:53 armin Exp $ * * DIDD Interface module for Eicon active cards. * * Functions are in dadapter.c * * Copyright 2002-2003 by Armin Schindler (mac@melware.de) * Copyright 2002-2003 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 "dadapter.h" #include "divasync.h" #define DBG_MINIMUM (DL_LOG + DL_FTL + DL_ERR) #define DBG_DEFAULT (DBG_MINIMUM + DL_XLOG + DL_REG) extern void DIVA_DIDD_Read(void *, int); extern char *DRIVERRELEASE_DIDD; static dword notify_handle; static DESCRIPTOR _DAdapter; /* * 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); } else if (adapter->type == IDI_DIMAINT) { if (removal) { DbgDeregister(); } else { DbgRegister("DIDD", DRIVERRELEASE_DIDD, DBG_DEFAULT); } } return (NULL); } /* * connect to didd */ static int DIVA_INIT_FUNCTION 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) return (0); notify_handle = req.didd_notify.info.handle; } else if (DIDD_Table[x].type == IDI_DIMAINT) { /* MAINT found */ DbgRegister("DIDD", DRIVERRELEASE_DIDD, DBG_DEFAULT); } } return (dadapter); } /* * disconnect from didd */ static void DIVA_EXIT_FUNCTION disconnect_didd(void) { IDI_SYNC_REQ req; 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 DIVA_INIT_FUNCTION diddfunc_init(void) { diva_didd_load_time_init(); if (!connect_didd()) { DBG_ERR(("init: failed to connect to DIDD.")) diva_didd_load_time_finit(); return (0); } return (1); } /* * finit */ void DIVA_EXIT_FUNCTION diddfunc_finit(void) { DbgDeregister(); disconnect_didd(); diva_didd_load_time_finit(); }