930 lines
21 KiB
C
930 lines
21 KiB
C
/* $Id: isdnl1.c,v 2.46.2.5 2004/02/11 13:21:34 keil Exp $
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*
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* common low level stuff for Siemens Chipsetbased isdn cards
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*
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* Author Karsten Keil
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* based on the teles driver from Jan den Ouden
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* Copyright by Karsten Keil <keil@isdn4linux.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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* For changes and modifications please read
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* Documentation/isdn/HiSax.cert
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*
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* Thanks to Jan den Ouden
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* Fritz Elfert
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* Beat Doebeli
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*
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*/
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#include <linux/init.h>
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#include "hisax.h"
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#include "isdnl1.h"
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const char *l1_revision = "$Revision: 2.46.2.5 $";
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#define TIMER3_VALUE 7000
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static struct Fsm l1fsm_b;
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static struct Fsm l1fsm_s;
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enum {
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ST_L1_F2,
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ST_L1_F3,
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ST_L1_F4,
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ST_L1_F5,
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ST_L1_F6,
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ST_L1_F7,
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ST_L1_F8,
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};
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#define L1S_STATE_COUNT (ST_L1_F8+1)
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static char *strL1SState[] =
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{
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"ST_L1_F2",
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"ST_L1_F3",
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"ST_L1_F4",
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"ST_L1_F5",
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"ST_L1_F6",
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"ST_L1_F7",
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"ST_L1_F8",
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};
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#ifdef HISAX_UINTERFACE
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static
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struct Fsm l1fsm_u =
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{NULL, 0, 0, NULL, NULL};
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enum {
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ST_L1_RESET,
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ST_L1_DEACT,
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ST_L1_SYNC2,
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ST_L1_TRANS,
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};
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#define L1U_STATE_COUNT (ST_L1_TRANS+1)
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static char *strL1UState[] =
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{
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"ST_L1_RESET",
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"ST_L1_DEACT",
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"ST_L1_SYNC2",
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"ST_L1_TRANS",
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};
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#endif
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enum {
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ST_L1_NULL,
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ST_L1_WAIT_ACT,
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ST_L1_WAIT_DEACT,
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ST_L1_ACTIV,
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};
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#define L1B_STATE_COUNT (ST_L1_ACTIV+1)
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static char *strL1BState[] =
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{
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"ST_L1_NULL",
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"ST_L1_WAIT_ACT",
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"ST_L1_WAIT_DEACT",
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"ST_L1_ACTIV",
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};
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enum {
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EV_PH_ACTIVATE,
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EV_PH_DEACTIVATE,
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EV_RESET_IND,
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EV_DEACT_CNF,
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EV_DEACT_IND,
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EV_POWER_UP,
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EV_RSYNC_IND,
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EV_INFO2_IND,
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EV_INFO4_IND,
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EV_TIMER_DEACT,
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EV_TIMER_ACT,
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EV_TIMER3,
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};
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#define L1_EVENT_COUNT (EV_TIMER3 + 1)
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static char *strL1Event[] =
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{
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"EV_PH_ACTIVATE",
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"EV_PH_DEACTIVATE",
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"EV_RESET_IND",
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"EV_DEACT_CNF",
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"EV_DEACT_IND",
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"EV_POWER_UP",
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"EV_RSYNC_IND",
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"EV_INFO2_IND",
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"EV_INFO4_IND",
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"EV_TIMER_DEACT",
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"EV_TIMER_ACT",
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"EV_TIMER3",
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};
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void
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debugl1(struct IsdnCardState *cs, char *fmt, ...)
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{
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va_list args;
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char tmp[8];
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va_start(args, fmt);
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sprintf(tmp, "Card%d ", cs->cardnr + 1);
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VHiSax_putstatus(cs, tmp, fmt, args);
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va_end(args);
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}
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static void
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l1m_debug(struct FsmInst *fi, char *fmt, ...)
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{
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va_list args;
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struct PStack *st = fi->userdata;
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struct IsdnCardState *cs = st->l1.hardware;
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char tmp[8];
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va_start(args, fmt);
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sprintf(tmp, "Card%d ", cs->cardnr + 1);
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VHiSax_putstatus(cs, tmp, fmt, args);
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va_end(args);
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}
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static void
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L1activated(struct IsdnCardState *cs)
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{
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struct PStack *st;
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st = cs->stlist;
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while (st) {
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if (test_and_clear_bit(FLG_L1_ACTIVATING, &st->l1.Flags))
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st->l1.l1l2(st, PH_ACTIVATE | CONFIRM, NULL);
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else
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st->l1.l1l2(st, PH_ACTIVATE | INDICATION, NULL);
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st = st->next;
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}
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}
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static void
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L1deactivated(struct IsdnCardState *cs)
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{
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struct PStack *st;
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st = cs->stlist;
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while (st) {
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if (test_bit(FLG_L1_DBUSY, &cs->HW_Flags))
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st->l1.l1l2(st, PH_PAUSE | CONFIRM, NULL);
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st->l1.l1l2(st, PH_DEACTIVATE | INDICATION, NULL);
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st = st->next;
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}
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test_and_clear_bit(FLG_L1_DBUSY, &cs->HW_Flags);
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}
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void
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DChannel_proc_xmt(struct IsdnCardState *cs)
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{
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struct PStack *stptr;
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if (cs->tx_skb)
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return;
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stptr = cs->stlist;
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while (stptr != NULL) {
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if (test_and_clear_bit(FLG_L1_PULL_REQ, &stptr->l1.Flags)) {
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stptr->l1.l1l2(stptr, PH_PULL | CONFIRM, NULL);
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break;
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} else
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stptr = stptr->next;
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}
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}
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void
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DChannel_proc_rcv(struct IsdnCardState *cs)
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{
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struct sk_buff *skb, *nskb;
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struct PStack *stptr = cs->stlist;
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int found, tei, sapi;
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if (stptr)
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if (test_bit(FLG_L1_ACTTIMER, &stptr->l1.Flags))
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FsmEvent(&stptr->l1.l1m, EV_TIMER_ACT, NULL);
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while ((skb = skb_dequeue(&cs->rq))) {
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#ifdef L2FRAME_DEBUG /* psa */
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if (cs->debug & L1_DEB_LAPD)
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Logl2Frame(cs, skb, "PH_DATA", 1);
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#endif
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stptr = cs->stlist;
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if (skb->len<3) {
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debugl1(cs, "D-channel frame too short(%d)",skb->len);
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dev_kfree_skb(skb);
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return;
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}
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if ((skb->data[0] & 1) || !(skb->data[1] &1)) {
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debugl1(cs, "D-channel frame wrong EA0/EA1");
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dev_kfree_skb(skb);
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return;
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}
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sapi = skb->data[0] >> 2;
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tei = skb->data[1] >> 1;
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if (cs->debug & DEB_DLOG_HEX)
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LogFrame(cs, skb->data, skb->len);
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if (cs->debug & DEB_DLOG_VERBOSE)
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dlogframe(cs, skb, 1);
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if (tei == GROUP_TEI) {
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if (sapi == CTRL_SAPI) { /* sapi 0 */
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while (stptr != NULL) {
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if ((nskb = skb_clone(skb, GFP_ATOMIC)))
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stptr->l1.l1l2(stptr, PH_DATA | INDICATION, nskb);
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else
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printk(KERN_WARNING "HiSax: isdn broadcast buffer shortage\n");
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stptr = stptr->next;
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}
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} else if (sapi == TEI_SAPI) {
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while (stptr != NULL) {
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if ((nskb = skb_clone(skb, GFP_ATOMIC)))
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stptr->l1.l1tei(stptr, PH_DATA | INDICATION, nskb);
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else
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printk(KERN_WARNING "HiSax: tei broadcast buffer shortage\n");
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stptr = stptr->next;
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}
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}
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dev_kfree_skb(skb);
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} else if (sapi == CTRL_SAPI) { /* sapi 0 */
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found = 0;
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while (stptr != NULL)
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if (tei == stptr->l2.tei) {
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stptr->l1.l1l2(stptr, PH_DATA | INDICATION, skb);
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found = !0;
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break;
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} else
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stptr = stptr->next;
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if (!found)
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dev_kfree_skb(skb);
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} else
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dev_kfree_skb(skb);
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}
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}
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static void
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BChannel_proc_xmt(struct BCState *bcs)
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{
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struct PStack *st = bcs->st;
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if (test_bit(BC_FLG_BUSY, &bcs->Flag)) {
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debugl1(bcs->cs, "BC_BUSY Error");
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return;
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}
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if (test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags))
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st->l1.l1l2(st, PH_PULL | CONFIRM, NULL);
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if (!test_bit(BC_FLG_ACTIV, &bcs->Flag)) {
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if (!test_bit(BC_FLG_BUSY, &bcs->Flag) &&
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skb_queue_empty(&bcs->squeue)) {
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st->l2.l2l1(st, PH_DEACTIVATE | CONFIRM, NULL);
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}
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}
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}
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static void
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BChannel_proc_rcv(struct BCState *bcs)
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{
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struct sk_buff *skb;
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if (bcs->st->l1.l1m.state == ST_L1_WAIT_ACT) {
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FsmDelTimer(&bcs->st->l1.timer, 4);
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FsmEvent(&bcs->st->l1.l1m, EV_TIMER_ACT, NULL);
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}
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while ((skb = skb_dequeue(&bcs->rqueue))) {
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bcs->st->l1.l1l2(bcs->st, PH_DATA | INDICATION, skb);
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}
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}
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static void
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BChannel_proc_ack(struct BCState *bcs)
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{
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u_long flags;
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int ack;
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spin_lock_irqsave(&bcs->aclock, flags);
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ack = bcs->ackcnt;
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bcs->ackcnt = 0;
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spin_unlock_irqrestore(&bcs->aclock, flags);
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if (ack)
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lli_writewakeup(bcs->st, ack);
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}
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void
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BChannel_bh(struct work_struct *work)
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{
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struct BCState *bcs = container_of(work, struct BCState, tqueue);
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if (!bcs)
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return;
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if (test_and_clear_bit(B_RCVBUFREADY, &bcs->event))
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BChannel_proc_rcv(bcs);
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if (test_and_clear_bit(B_XMTBUFREADY, &bcs->event))
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BChannel_proc_xmt(bcs);
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if (test_and_clear_bit(B_ACKPENDING, &bcs->event))
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BChannel_proc_ack(bcs);
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}
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void
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HiSax_addlist(struct IsdnCardState *cs,
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struct PStack *st)
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{
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st->next = cs->stlist;
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cs->stlist = st;
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}
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void
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HiSax_rmlist(struct IsdnCardState *cs,
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struct PStack *st)
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{
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struct PStack *p;
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FsmDelTimer(&st->l1.timer, 0);
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if (cs->stlist == st)
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cs->stlist = st->next;
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else {
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p = cs->stlist;
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while (p)
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if (p->next == st) {
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p->next = st->next;
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return;
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} else
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p = p->next;
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}
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}
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void
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init_bcstate(struct IsdnCardState *cs, int bc)
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{
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struct BCState *bcs = cs->bcs + bc;
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bcs->cs = cs;
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bcs->channel = bc;
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INIT_WORK(&bcs->tqueue, BChannel_bh);
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spin_lock_init(&bcs->aclock);
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bcs->BC_SetStack = NULL;
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bcs->BC_Close = NULL;
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bcs->Flag = 0;
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}
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#ifdef L2FRAME_DEBUG /* psa */
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static char *
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l2cmd(u_char cmd)
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{
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switch (cmd & ~0x10) {
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case 1:
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return "RR";
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case 5:
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return "RNR";
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case 9:
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return "REJ";
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case 0x6f:
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return "SABME";
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case 0x0f:
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return "DM";
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case 3:
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return "UI";
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case 0x43:
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return "DISC";
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case 0x63:
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return "UA";
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case 0x87:
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return "FRMR";
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case 0xaf:
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return "XID";
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default:
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if (!(cmd & 1))
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return "I";
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else
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return "invalid command";
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}
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}
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static char tmpdeb[32];
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static char *
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l2frames(u_char * ptr)
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{
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switch (ptr[2] & ~0x10) {
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case 1:
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case 5:
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case 9:
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sprintf(tmpdeb, "%s[%d](nr %d)", l2cmd(ptr[2]), ptr[3] & 1, ptr[3] >> 1);
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break;
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case 0x6f:
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case 0x0f:
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case 3:
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case 0x43:
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case 0x63:
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case 0x87:
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case 0xaf:
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sprintf(tmpdeb, "%s[%d]", l2cmd(ptr[2]), (ptr[2] & 0x10) >> 4);
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break;
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default:
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if (!(ptr[2] & 1)) {
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sprintf(tmpdeb, "I[%d](ns %d, nr %d)", ptr[3] & 1, ptr[2] >> 1, ptr[3] >> 1);
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break;
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} else
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return "invalid command";
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}
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return tmpdeb;
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}
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void
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Logl2Frame(struct IsdnCardState *cs, struct sk_buff *skb, char *buf, int dir)
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{
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u_char *ptr;
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ptr = skb->data;
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if (ptr[0] & 1 || !(ptr[1] & 1))
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debugl1(cs, "Address not LAPD");
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else
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debugl1(cs, "%s %s: %s%c (sapi %d, tei %d)",
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(dir ? "<-" : "->"), buf, l2frames(ptr),
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((ptr[0] & 2) >> 1) == dir ? 'C' : 'R', ptr[0] >> 2, ptr[1] >> 1);
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}
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#endif
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static void
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l1_reset(struct FsmInst *fi, int event, void *arg)
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{
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FsmChangeState(fi, ST_L1_F3);
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}
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static void
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l1_deact_cnf(struct FsmInst *fi, int event, void *arg)
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{
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struct PStack *st = fi->userdata;
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FsmChangeState(fi, ST_L1_F3);
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if (test_bit(FLG_L1_ACTIVATING, &st->l1.Flags))
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st->l1.l1hw(st, HW_ENABLE | REQUEST, NULL);
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}
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static void
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l1_deact_req_s(struct FsmInst *fi, int event, void *arg)
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{
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struct PStack *st = fi->userdata;
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FsmChangeState(fi, ST_L1_F3);
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FsmRestartTimer(&st->l1.timer, 550, EV_TIMER_DEACT, NULL, 2);
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test_and_set_bit(FLG_L1_DEACTTIMER, &st->l1.Flags);
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}
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static void
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l1_power_up_s(struct FsmInst *fi, int event, void *arg)
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{
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struct PStack *st = fi->userdata;
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if (test_bit(FLG_L1_ACTIVATING, &st->l1.Flags)) {
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FsmChangeState(fi, ST_L1_F4);
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st->l1.l1hw(st, HW_INFO3 | REQUEST, NULL);
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FsmRestartTimer(&st->l1.timer, TIMER3_VALUE, EV_TIMER3, NULL, 2);
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test_and_set_bit(FLG_L1_T3RUN, &st->l1.Flags);
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} else
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FsmChangeState(fi, ST_L1_F3);
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}
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static void
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l1_go_F5(struct FsmInst *fi, int event, void *arg)
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{
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FsmChangeState(fi, ST_L1_F5);
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}
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static void
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l1_go_F8(struct FsmInst *fi, int event, void *arg)
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{
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FsmChangeState(fi, ST_L1_F8);
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}
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static void
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l1_info2_ind(struct FsmInst *fi, int event, void *arg)
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{
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struct PStack *st = fi->userdata;
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#ifdef HISAX_UINTERFACE
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if (test_bit(FLG_L1_UINT, &st->l1.Flags))
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FsmChangeState(fi, ST_L1_SYNC2);
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else
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#endif
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FsmChangeState(fi, ST_L1_F6);
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st->l1.l1hw(st, HW_INFO3 | REQUEST, NULL);
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}
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static void
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l1_info4_ind(struct FsmInst *fi, int event, void *arg)
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{
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struct PStack *st = fi->userdata;
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#ifdef HISAX_UINTERFACE
|
|
if (test_bit(FLG_L1_UINT, &st->l1.Flags))
|
|
FsmChangeState(fi, ST_L1_TRANS);
|
|
else
|
|
#endif
|
|
FsmChangeState(fi, ST_L1_F7);
|
|
st->l1.l1hw(st, HW_INFO3 | REQUEST, NULL);
|
|
if (test_and_clear_bit(FLG_L1_DEACTTIMER, &st->l1.Flags))
|
|
FsmDelTimer(&st->l1.timer, 4);
|
|
if (!test_bit(FLG_L1_ACTIVATED, &st->l1.Flags)) {
|
|
if (test_and_clear_bit(FLG_L1_T3RUN, &st->l1.Flags))
|
|
FsmDelTimer(&st->l1.timer, 3);
|
|
FsmRestartTimer(&st->l1.timer, 110, EV_TIMER_ACT, NULL, 2);
|
|
test_and_set_bit(FLG_L1_ACTTIMER, &st->l1.Flags);
|
|
}
|
|
}
|
|
|
|
static void
|
|
l1_timer3(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
struct PStack *st = fi->userdata;
|
|
|
|
test_and_clear_bit(FLG_L1_T3RUN, &st->l1.Flags);
|
|
if (test_and_clear_bit(FLG_L1_ACTIVATING, &st->l1.Flags))
|
|
L1deactivated(st->l1.hardware);
|
|
|
|
#ifdef HISAX_UINTERFACE
|
|
if (!test_bit(FLG_L1_UINT, &st->l1.Flags))
|
|
#endif
|
|
if (st->l1.l1m.state != ST_L1_F6) {
|
|
FsmChangeState(fi, ST_L1_F3);
|
|
st->l1.l1hw(st, HW_ENABLE | REQUEST, NULL);
|
|
}
|
|
}
|
|
|
|
static void
|
|
l1_timer_act(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
struct PStack *st = fi->userdata;
|
|
|
|
test_and_clear_bit(FLG_L1_ACTTIMER, &st->l1.Flags);
|
|
test_and_set_bit(FLG_L1_ACTIVATED, &st->l1.Flags);
|
|
L1activated(st->l1.hardware);
|
|
}
|
|
|
|
static void
|
|
l1_timer_deact(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
struct PStack *st = fi->userdata;
|
|
|
|
test_and_clear_bit(FLG_L1_DEACTTIMER, &st->l1.Flags);
|
|
test_and_clear_bit(FLG_L1_ACTIVATED, &st->l1.Flags);
|
|
L1deactivated(st->l1.hardware);
|
|
st->l1.l1hw(st, HW_DEACTIVATE | RESPONSE, NULL);
|
|
}
|
|
|
|
static void
|
|
l1_activate_s(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
struct PStack *st = fi->userdata;
|
|
|
|
st->l1.l1hw(st, HW_RESET | REQUEST, NULL);
|
|
}
|
|
|
|
static void
|
|
l1_activate_no(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
struct PStack *st = fi->userdata;
|
|
|
|
if ((!test_bit(FLG_L1_DEACTTIMER, &st->l1.Flags)) && (!test_bit(FLG_L1_T3RUN, &st->l1.Flags))) {
|
|
test_and_clear_bit(FLG_L1_ACTIVATING, &st->l1.Flags);
|
|
L1deactivated(st->l1.hardware);
|
|
}
|
|
}
|
|
|
|
static struct FsmNode L1SFnList[] __initdata =
|
|
{
|
|
{ST_L1_F3, EV_PH_ACTIVATE, l1_activate_s},
|
|
{ST_L1_F6, EV_PH_ACTIVATE, l1_activate_no},
|
|
{ST_L1_F8, EV_PH_ACTIVATE, l1_activate_no},
|
|
{ST_L1_F3, EV_RESET_IND, l1_reset},
|
|
{ST_L1_F4, EV_RESET_IND, l1_reset},
|
|
{ST_L1_F5, EV_RESET_IND, l1_reset},
|
|
{ST_L1_F6, EV_RESET_IND, l1_reset},
|
|
{ST_L1_F7, EV_RESET_IND, l1_reset},
|
|
{ST_L1_F8, EV_RESET_IND, l1_reset},
|
|
{ST_L1_F3, EV_DEACT_CNF, l1_deact_cnf},
|
|
{ST_L1_F4, EV_DEACT_CNF, l1_deact_cnf},
|
|
{ST_L1_F5, EV_DEACT_CNF, l1_deact_cnf},
|
|
{ST_L1_F6, EV_DEACT_CNF, l1_deact_cnf},
|
|
{ST_L1_F7, EV_DEACT_CNF, l1_deact_cnf},
|
|
{ST_L1_F8, EV_DEACT_CNF, l1_deact_cnf},
|
|
{ST_L1_F6, EV_DEACT_IND, l1_deact_req_s},
|
|
{ST_L1_F7, EV_DEACT_IND, l1_deact_req_s},
|
|
{ST_L1_F8, EV_DEACT_IND, l1_deact_req_s},
|
|
{ST_L1_F3, EV_POWER_UP, l1_power_up_s},
|
|
{ST_L1_F4, EV_RSYNC_IND, l1_go_F5},
|
|
{ST_L1_F6, EV_RSYNC_IND, l1_go_F8},
|
|
{ST_L1_F7, EV_RSYNC_IND, l1_go_F8},
|
|
{ST_L1_F3, EV_INFO2_IND, l1_info2_ind},
|
|
{ST_L1_F4, EV_INFO2_IND, l1_info2_ind},
|
|
{ST_L1_F5, EV_INFO2_IND, l1_info2_ind},
|
|
{ST_L1_F7, EV_INFO2_IND, l1_info2_ind},
|
|
{ST_L1_F8, EV_INFO2_IND, l1_info2_ind},
|
|
{ST_L1_F3, EV_INFO4_IND, l1_info4_ind},
|
|
{ST_L1_F4, EV_INFO4_IND, l1_info4_ind},
|
|
{ST_L1_F5, EV_INFO4_IND, l1_info4_ind},
|
|
{ST_L1_F6, EV_INFO4_IND, l1_info4_ind},
|
|
{ST_L1_F8, EV_INFO4_IND, l1_info4_ind},
|
|
{ST_L1_F3, EV_TIMER3, l1_timer3},
|
|
{ST_L1_F4, EV_TIMER3, l1_timer3},
|
|
{ST_L1_F5, EV_TIMER3, l1_timer3},
|
|
{ST_L1_F6, EV_TIMER3, l1_timer3},
|
|
{ST_L1_F8, EV_TIMER3, l1_timer3},
|
|
{ST_L1_F7, EV_TIMER_ACT, l1_timer_act},
|
|
{ST_L1_F3, EV_TIMER_DEACT, l1_timer_deact},
|
|
{ST_L1_F4, EV_TIMER_DEACT, l1_timer_deact},
|
|
{ST_L1_F5, EV_TIMER_DEACT, l1_timer_deact},
|
|
{ST_L1_F6, EV_TIMER_DEACT, l1_timer_deact},
|
|
{ST_L1_F7, EV_TIMER_DEACT, l1_timer_deact},
|
|
{ST_L1_F8, EV_TIMER_DEACT, l1_timer_deact},
|
|
};
|
|
|
|
#ifdef HISAX_UINTERFACE
|
|
static void
|
|
l1_deact_req_u(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
struct PStack *st = fi->userdata;
|
|
|
|
FsmChangeState(fi, ST_L1_RESET);
|
|
FsmRestartTimer(&st->l1.timer, 550, EV_TIMER_DEACT, NULL, 2);
|
|
test_and_set_bit(FLG_L1_DEACTTIMER, &st->l1.Flags);
|
|
st->l1.l1hw(st, HW_ENABLE | REQUEST, NULL);
|
|
}
|
|
|
|
static void
|
|
l1_power_up_u(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
struct PStack *st = fi->userdata;
|
|
|
|
FsmRestartTimer(&st->l1.timer, TIMER3_VALUE, EV_TIMER3, NULL, 2);
|
|
test_and_set_bit(FLG_L1_T3RUN, &st->l1.Flags);
|
|
}
|
|
|
|
static void
|
|
l1_info0_ind(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
FsmChangeState(fi, ST_L1_DEACT);
|
|
}
|
|
|
|
static void
|
|
l1_activate_u(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
struct PStack *st = fi->userdata;
|
|
|
|
st->l1.l1hw(st, HW_INFO1 | REQUEST, NULL);
|
|
}
|
|
|
|
static struct FsmNode L1UFnList[] __initdata =
|
|
{
|
|
{ST_L1_RESET, EV_DEACT_IND, l1_deact_req_u},
|
|
{ST_L1_DEACT, EV_DEACT_IND, l1_deact_req_u},
|
|
{ST_L1_SYNC2, EV_DEACT_IND, l1_deact_req_u},
|
|
{ST_L1_TRANS, EV_DEACT_IND, l1_deact_req_u},
|
|
{ST_L1_DEACT, EV_PH_ACTIVATE, l1_activate_u},
|
|
{ST_L1_DEACT, EV_POWER_UP, l1_power_up_u},
|
|
{ST_L1_DEACT, EV_INFO2_IND, l1_info2_ind},
|
|
{ST_L1_TRANS, EV_INFO2_IND, l1_info2_ind},
|
|
{ST_L1_RESET, EV_DEACT_CNF, l1_info0_ind},
|
|
{ST_L1_DEACT, EV_INFO4_IND, l1_info4_ind},
|
|
{ST_L1_SYNC2, EV_INFO4_IND, l1_info4_ind},
|
|
{ST_L1_RESET, EV_INFO4_IND, l1_info4_ind},
|
|
{ST_L1_DEACT, EV_TIMER3, l1_timer3},
|
|
{ST_L1_SYNC2, EV_TIMER3, l1_timer3},
|
|
{ST_L1_TRANS, EV_TIMER_ACT, l1_timer_act},
|
|
{ST_L1_DEACT, EV_TIMER_DEACT, l1_timer_deact},
|
|
{ST_L1_SYNC2, EV_TIMER_DEACT, l1_timer_deact},
|
|
{ST_L1_RESET, EV_TIMER_DEACT, l1_timer_deact},
|
|
};
|
|
|
|
#endif
|
|
|
|
static void
|
|
l1b_activate(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
struct PStack *st = fi->userdata;
|
|
|
|
FsmChangeState(fi, ST_L1_WAIT_ACT);
|
|
FsmRestartTimer(&st->l1.timer, st->l1.delay, EV_TIMER_ACT, NULL, 2);
|
|
}
|
|
|
|
static void
|
|
l1b_deactivate(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
struct PStack *st = fi->userdata;
|
|
|
|
FsmChangeState(fi, ST_L1_WAIT_DEACT);
|
|
FsmRestartTimer(&st->l1.timer, 10, EV_TIMER_DEACT, NULL, 2);
|
|
}
|
|
|
|
static void
|
|
l1b_timer_act(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
struct PStack *st = fi->userdata;
|
|
|
|
FsmChangeState(fi, ST_L1_ACTIV);
|
|
st->l1.l1l2(st, PH_ACTIVATE | CONFIRM, NULL);
|
|
}
|
|
|
|
static void
|
|
l1b_timer_deact(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
struct PStack *st = fi->userdata;
|
|
|
|
FsmChangeState(fi, ST_L1_NULL);
|
|
st->l2.l2l1(st, PH_DEACTIVATE | CONFIRM, NULL);
|
|
}
|
|
|
|
static struct FsmNode L1BFnList[] __initdata =
|
|
{
|
|
{ST_L1_NULL, EV_PH_ACTIVATE, l1b_activate},
|
|
{ST_L1_WAIT_ACT, EV_TIMER_ACT, l1b_timer_act},
|
|
{ST_L1_ACTIV, EV_PH_DEACTIVATE, l1b_deactivate},
|
|
{ST_L1_WAIT_DEACT, EV_TIMER_DEACT, l1b_timer_deact},
|
|
};
|
|
|
|
int __init
|
|
Isdnl1New(void)
|
|
{
|
|
int retval;
|
|
|
|
l1fsm_s.state_count = L1S_STATE_COUNT;
|
|
l1fsm_s.event_count = L1_EVENT_COUNT;
|
|
l1fsm_s.strEvent = strL1Event;
|
|
l1fsm_s.strState = strL1SState;
|
|
retval = FsmNew(&l1fsm_s, L1SFnList, ARRAY_SIZE(L1SFnList));
|
|
if (retval)
|
|
return retval;
|
|
|
|
l1fsm_b.state_count = L1B_STATE_COUNT;
|
|
l1fsm_b.event_count = L1_EVENT_COUNT;
|
|
l1fsm_b.strEvent = strL1Event;
|
|
l1fsm_b.strState = strL1BState;
|
|
retval = FsmNew(&l1fsm_b, L1BFnList, ARRAY_SIZE(L1BFnList));
|
|
if (retval) {
|
|
FsmFree(&l1fsm_s);
|
|
return retval;
|
|
}
|
|
#ifdef HISAX_UINTERFACE
|
|
l1fsm_u.state_count = L1U_STATE_COUNT;
|
|
l1fsm_u.event_count = L1_EVENT_COUNT;
|
|
l1fsm_u.strEvent = strL1Event;
|
|
l1fsm_u.strState = strL1UState;
|
|
retval = FsmNew(&l1fsm_u, L1UFnList, ARRAY_SIZE(L1UFnList));
|
|
if (retval) {
|
|
FsmFree(&l1fsm_s);
|
|
FsmFree(&l1fsm_b);
|
|
return retval;
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
void Isdnl1Free(void)
|
|
{
|
|
#ifdef HISAX_UINTERFACE
|
|
FsmFree(&l1fsm_u);
|
|
#endif
|
|
FsmFree(&l1fsm_s);
|
|
FsmFree(&l1fsm_b);
|
|
}
|
|
|
|
static void
|
|
dch_l2l1(struct PStack *st, int pr, void *arg)
|
|
{
|
|
struct IsdnCardState *cs = (struct IsdnCardState *) st->l1.hardware;
|
|
|
|
switch (pr) {
|
|
case (PH_DATA | REQUEST):
|
|
case (PH_PULL | REQUEST):
|
|
case (PH_PULL |INDICATION):
|
|
st->l1.l1hw(st, pr, arg);
|
|
break;
|
|
case (PH_ACTIVATE | REQUEST):
|
|
if (cs->debug)
|
|
debugl1(cs, "PH_ACTIVATE_REQ %s",
|
|
st->l1.l1m.fsm->strState[st->l1.l1m.state]);
|
|
if (test_bit(FLG_L1_ACTIVATED, &st->l1.Flags))
|
|
st->l1.l1l2(st, PH_ACTIVATE | CONFIRM, NULL);
|
|
else {
|
|
test_and_set_bit(FLG_L1_ACTIVATING, &st->l1.Flags);
|
|
FsmEvent(&st->l1.l1m, EV_PH_ACTIVATE, arg);
|
|
}
|
|
break;
|
|
case (PH_TESTLOOP | REQUEST):
|
|
if (1 & (long) arg)
|
|
debugl1(cs, "PH_TEST_LOOP B1");
|
|
if (2 & (long) arg)
|
|
debugl1(cs, "PH_TEST_LOOP B2");
|
|
if (!(3 & (long) arg))
|
|
debugl1(cs, "PH_TEST_LOOP DISABLED");
|
|
st->l1.l1hw(st, HW_TESTLOOP | REQUEST, arg);
|
|
break;
|
|
default:
|
|
if (cs->debug)
|
|
debugl1(cs, "dch_l2l1 msg %04X unhandled", pr);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
l1_msg(struct IsdnCardState *cs, int pr, void *arg) {
|
|
struct PStack *st;
|
|
|
|
st = cs->stlist;
|
|
|
|
while (st) {
|
|
switch(pr) {
|
|
case (HW_RESET | INDICATION):
|
|
FsmEvent(&st->l1.l1m, EV_RESET_IND, arg);
|
|
break;
|
|
case (HW_DEACTIVATE | CONFIRM):
|
|
FsmEvent(&st->l1.l1m, EV_DEACT_CNF, arg);
|
|
break;
|
|
case (HW_DEACTIVATE | INDICATION):
|
|
FsmEvent(&st->l1.l1m, EV_DEACT_IND, arg);
|
|
break;
|
|
case (HW_POWERUP | CONFIRM):
|
|
FsmEvent(&st->l1.l1m, EV_POWER_UP, arg);
|
|
break;
|
|
case (HW_RSYNC | INDICATION):
|
|
FsmEvent(&st->l1.l1m, EV_RSYNC_IND, arg);
|
|
break;
|
|
case (HW_INFO2 | INDICATION):
|
|
FsmEvent(&st->l1.l1m, EV_INFO2_IND, arg);
|
|
break;
|
|
case (HW_INFO4_P8 | INDICATION):
|
|
case (HW_INFO4_P10 | INDICATION):
|
|
FsmEvent(&st->l1.l1m, EV_INFO4_IND, arg);
|
|
break;
|
|
default:
|
|
if (cs->debug)
|
|
debugl1(cs, "l1msg %04X unhandled", pr);
|
|
break;
|
|
}
|
|
st = st->next;
|
|
}
|
|
}
|
|
|
|
void
|
|
l1_msg_b(struct PStack *st, int pr, void *arg) {
|
|
switch(pr) {
|
|
case (PH_ACTIVATE | REQUEST):
|
|
FsmEvent(&st->l1.l1m, EV_PH_ACTIVATE, NULL);
|
|
break;
|
|
case (PH_DEACTIVATE | REQUEST):
|
|
FsmEvent(&st->l1.l1m, EV_PH_DEACTIVATE, NULL);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
setstack_HiSax(struct PStack *st, struct IsdnCardState *cs)
|
|
{
|
|
st->l1.hardware = cs;
|
|
st->protocol = cs->protocol;
|
|
st->l1.l1m.fsm = &l1fsm_s;
|
|
st->l1.l1m.state = ST_L1_F3;
|
|
st->l1.Flags = 0;
|
|
#ifdef HISAX_UINTERFACE
|
|
if (test_bit(FLG_HW_L1_UINT, &cs->HW_Flags)) {
|
|
st->l1.l1m.fsm = &l1fsm_u;
|
|
st->l1.l1m.state = ST_L1_RESET;
|
|
st->l1.Flags = FLG_L1_UINT;
|
|
}
|
|
#endif
|
|
st->l1.l1m.debug = cs->debug;
|
|
st->l1.l1m.userdata = st;
|
|
st->l1.l1m.userint = 0;
|
|
st->l1.l1m.printdebug = l1m_debug;
|
|
FsmInitTimer(&st->l1.l1m, &st->l1.timer);
|
|
setstack_tei(st);
|
|
setstack_manager(st);
|
|
st->l1.stlistp = &(cs->stlist);
|
|
st->l2.l2l1 = dch_l2l1;
|
|
if (cs->setstack_d)
|
|
cs->setstack_d(st, cs);
|
|
}
|
|
|
|
void
|
|
setstack_l1_B(struct PStack *st)
|
|
{
|
|
struct IsdnCardState *cs = st->l1.hardware;
|
|
|
|
st->l1.l1m.fsm = &l1fsm_b;
|
|
st->l1.l1m.state = ST_L1_NULL;
|
|
st->l1.l1m.debug = cs->debug;
|
|
st->l1.l1m.userdata = st;
|
|
st->l1.l1m.userint = 0;
|
|
st->l1.l1m.printdebug = l1m_debug;
|
|
st->l1.Flags = 0;
|
|
FsmInitTimer(&st->l1.l1m, &st->l1.timer);
|
|
}
|