/* $Id: arcofi.c,v 1.1 2004/03/11 03:59:30 bcrl Exp $ * arcofi.c Ansteuerung ARCOFI 2165 * * Author Karsten Keil (keil@isdn4linux.de) * * * * $Log: arcofi.c,v $ * Revision 1.1 2004/03/11 03:59:30 bcrl * Initial revision * * Revision 1.1 2001/06/07 16:22:41 mdj * Added babhisax files to cvs for real this time. * * Revision 1.10 1999/12/23 15:09:32 keil * change email * * Revision 1.9 1999/12/19 13:09:41 keil * changed TASK_INTERRUPTIBLE into TASK_UNINTERRUPTIBLE for * signal proof delays * * Revision 1.8 1999/08/25 16:50:51 keil * Fix bugs which cause 2.3.14 hangs (waitqueue init) * * Revision 1.7 1999/07/01 08:11:17 keil * Common HiSax version for 2.0, 2.1, 2.2 and 2.3 kernel * * Revision 1.6 1998/09/30 22:21:56 keil * cosmetics * * Revision 1.5 1998/09/27 12:52:57 keil * cosmetics * * Revision 1.4 1998/08/20 13:50:24 keil * More support for hybrid modem (not working yet) * * Revision 1.3 1998/05/25 12:57:38 keil * HiSax golden code from certification, Don't use !!! * No leased lines, no X75, but many changes. * * Revision 1.2 1998/04/15 16:47:16 keil * new interface * * Revision 1.1 1997/10/29 18:51:20 keil * New files * */ #define __NO_VERSION__ #include "hisax.h" #include "isdnl1.h" #include "isac.h" #include "arcofi.h" #define ARCOFI_TIMER_VALUE 20 static void add_arcofi_timer(struct IsdnCardState *cs) { if (test_and_set_bit(FLG_ARCOFI_TIMER, &cs->HW_Flags)) { del_timer(&cs->dc.isac.arcofitimer); } init_timer(&cs->dc.isac.arcofitimer); cs->dc.isac.arcofitimer.expires = jiffies + ((ARCOFI_TIMER_VALUE * HZ)/1000); add_timer(&cs->dc.isac.arcofitimer); } static void send_arcofi(struct IsdnCardState *cs) { u_char val; add_arcofi_timer(cs); cs->dc.isac.mon_txp = 0; cs->dc.isac.mon_txc = cs->dc.isac.arcofi_list->len; memcpy(cs->dc.isac.mon_tx, cs->dc.isac.arcofi_list->msg, cs->dc.isac.mon_txc); switch(cs->dc.isac.arcofi_bc) { case 0: break; case 1: cs->dc.isac.mon_tx[1] |= 0x40; break; default: break; } cs->dc.isac.mocr &= 0x0f; cs->dc.isac.mocr |= 0xa0; cs->writeisac(cs, ISAC_MOCR, cs->dc.isac.mocr); val = cs->readisac(cs, ISAC_MOSR); cs->writeisac(cs, ISAC_MOX1, cs->dc.isac.mon_tx[cs->dc.isac.mon_txp++]); cs->dc.isac.mocr |= 0x10; cs->writeisac(cs, ISAC_MOCR, cs->dc.isac.mocr); } int arcofi_fsm(struct IsdnCardState *cs, int event, void *data) { if (cs->debug & L1_DEB_MONITOR) { debugl1(cs, "arcofi state %d event %d", cs->dc.isac.arcofi_state, event); } if (event == ARCOFI_TIMEOUT) { cs->dc.isac.arcofi_state = ARCOFI_NOP; test_and_set_bit(FLG_ARCOFI_ERROR, &cs->HW_Flags); wake_up(&cs->dc.isac.arcofi_wait); return(1); } switch (cs->dc.isac.arcofi_state) { case ARCOFI_NOP: if (event == ARCOFI_START) { cs->dc.isac.arcofi_list = data; cs->dc.isac.arcofi_state = ARCOFI_TRANSMIT; send_arcofi(cs); } break; case ARCOFI_TRANSMIT: if (event == ARCOFI_TX_END) { if (cs->dc.isac.arcofi_list->receive) { add_arcofi_timer(cs); cs->dc.isac.arcofi_state = ARCOFI_RECEIVE; } else { if (cs->dc.isac.arcofi_list->next) { cs->dc.isac.arcofi_list = cs->dc.isac.arcofi_list->next; send_arcofi(cs); } else { if (test_and_clear_bit(FLG_ARCOFI_TIMER, &cs->HW_Flags)) { del_timer(&cs->dc.isac.arcofitimer); } cs->dc.isac.arcofi_state = ARCOFI_NOP; wake_up(&cs->dc.isac.arcofi_wait); } } } break; case ARCOFI_RECEIVE: if (event == ARCOFI_RX_END) { if (cs->dc.isac.arcofi_list->next) { cs->dc.isac.arcofi_list = cs->dc.isac.arcofi_list->next; cs->dc.isac.arcofi_state = ARCOFI_TRANSMIT; send_arcofi(cs); } else { if (test_and_clear_bit(FLG_ARCOFI_TIMER, &cs->HW_Flags)) { del_timer(&cs->dc.isac.arcofitimer); } cs->dc.isac.arcofi_state = ARCOFI_NOP; wake_up(&cs->dc.isac.arcofi_wait); } } break; default: debugl1(cs, "Arcofi unknown state %x", cs->dc.isac.arcofi_state); return(2); } return(0); } static void arcofi_timer(struct IsdnCardState *cs) { arcofi_fsm(cs, ARCOFI_TIMEOUT, NULL); } void clear_arcofi(struct IsdnCardState *cs) { if (test_and_clear_bit(FLG_ARCOFI_TIMER, &cs->HW_Flags)) { del_timer(&cs->dc.isac.arcofitimer); } } void init_arcofi(struct IsdnCardState *cs) { cs->dc.isac.arcofitimer.function = (void *) arcofi_timer; cs->dc.isac.arcofitimer.data = (long) cs; init_timer(&cs->dc.isac.arcofitimer); #ifdef COMPAT_HAS_NEW_WAITQ init_waitqueue_head(&cs->dc.isac.arcofi_wait); #endif test_and_set_bit(HW_ARCOFI, &cs->HW_Flags); }