/* $Id: isdnl1.c,v 2.46.2.5 2004/02/11 13:21:34 keil Exp $ * * common low level stuff for Siemens Chipsetbased isdn cards * * Author Karsten Keil * based on the teles driver from Jan den Ouden * Copyright by Karsten Keil <keil@isdn4linux.de> * * This software may be used and distributed according to the terms * of the GNU General Public License, incorporated herein by reference. * * For changes and modifications please read * Documentation/isdn/HiSax.cert * * Thanks to Jan den Ouden * Fritz Elfert * Beat Doebeli * */ const char *l1_revision = "$Revision: 2.46.2.5 $"; #include <linux/init.h> #include "hisax.h" #include "isdnl1.h" #define TIMER3_VALUE 7000 static struct Fsm l1fsm_b; static struct Fsm l1fsm_s; enum { ST_L1_F2, ST_L1_F3, ST_L1_F4, ST_L1_F5, ST_L1_F6, ST_L1_F7, ST_L1_F8, }; #define L1S_STATE_COUNT (ST_L1_F8+1) static char *strL1SState[] = { "ST_L1_F2", "ST_L1_F3", "ST_L1_F4", "ST_L1_F5", "ST_L1_F6", "ST_L1_F7", "ST_L1_F8", }; #ifdef HISAX_UINTERFACE static struct Fsm l1fsm_u = {NULL, 0, 0, NULL, NULL}; enum { ST_L1_RESET, ST_L1_DEACT, ST_L1_SYNC2, ST_L1_TRANS, }; #define L1U_STATE_COUNT (ST_L1_TRANS+1) static char *strL1UState[] = { "ST_L1_RESET", "ST_L1_DEACT", "ST_L1_SYNC2", "ST_L1_TRANS", }; #endif enum { ST_L1_NULL, ST_L1_WAIT_ACT, ST_L1_WAIT_DEACT, ST_L1_ACTIV, }; #define L1B_STATE_COUNT (ST_L1_ACTIV+1) static char *strL1BState[] = { "ST_L1_NULL", "ST_L1_WAIT_ACT", "ST_L1_WAIT_DEACT", "ST_L1_ACTIV", }; enum { EV_PH_ACTIVATE, EV_PH_DEACTIVATE, EV_RESET_IND, EV_DEACT_CNF, EV_DEACT_IND, EV_POWER_UP, EV_RSYNC_IND, EV_INFO2_IND, EV_INFO4_IND, EV_TIMER_DEACT, EV_TIMER_ACT, EV_TIMER3, }; #define L1_EVENT_COUNT (EV_TIMER3 + 1) static char *strL1Event[] = { "EV_PH_ACTIVATE", "EV_PH_DEACTIVATE", "EV_RESET_IND", "EV_DEACT_CNF", "EV_DEACT_IND", "EV_POWER_UP", "EV_RSYNC_IND", "EV_INFO2_IND", "EV_INFO4_IND", "EV_TIMER_DEACT", "EV_TIMER_ACT", "EV_TIMER3", }; void debugl1(struct IsdnCardState *cs, char *fmt, ...) { va_list args; char tmp[8]; va_start(args, fmt); sprintf(tmp, "Card%d ", cs->cardnr + 1); VHiSax_putstatus(cs, tmp, fmt, args); va_end(args); } static void l1m_debug(struct FsmInst *fi, char *fmt, ...) { va_list args; struct PStack *st = fi->userdata; struct IsdnCardState *cs = st->l1.hardware; char tmp[8]; va_start(args, fmt); sprintf(tmp, "Card%d ", cs->cardnr + 1); VHiSax_putstatus(cs, tmp, fmt, args); va_end(args); } static void L1activated(struct IsdnCardState *cs) { struct PStack *st; st = cs->stlist; while (st) { if (test_and_clear_bit(FLG_L1_ACTIVATING, &st->l1.Flags)) st->l1.l1l2(st, PH_ACTIVATE | CONFIRM, NULL); else st->l1.l1l2(st, PH_ACTIVATE | INDICATION, NULL); st = st->next; } } static void L1deactivated(struct IsdnCardState *cs) { struct PStack *st; st = cs->stlist; while (st) { if (test_bit(FLG_L1_DBUSY, &cs->HW_Flags)) st->l1.l1l2(st, PH_PAUSE | CONFIRM, NULL); st->l1.l1l2(st, PH_DEACTIVATE | INDICATION, NULL); st = st->next; } test_and_clear_bit(FLG_L1_DBUSY, &cs->HW_Flags); } void DChannel_proc_xmt(struct IsdnCardState *cs) { struct PStack *stptr; if (cs->tx_skb) return; stptr = cs->stlist; while (stptr != NULL) { if (test_and_clear_bit(FLG_L1_PULL_REQ, &stptr->l1.Flags)) { stptr->l1.l1l2(stptr, PH_PULL | CONFIRM, NULL); break; } else stptr = stptr->next; } } void DChannel_proc_rcv(struct IsdnCardState *cs) { struct sk_buff *skb, *nskb; struct PStack *stptr = cs->stlist; int found, tei, sapi; if (stptr) if (test_bit(FLG_L1_ACTTIMER, &stptr->l1.Flags)) FsmEvent(&stptr->l1.l1m, EV_TIMER_ACT, NULL); while ((skb = skb_dequeue(&cs->rq))) { #ifdef L2FRAME_DEBUG /* psa */ if (cs->debug & L1_DEB_LAPD) Logl2Frame(cs, skb, "PH_DATA", 1); #endif stptr = cs->stlist; if (skb->len<3) { debugl1(cs, "D-channel frame too short(%d)",skb->len); dev_kfree_skb(skb); return; } if ((skb->data[0] & 1) || !(skb->data[1] &1)) { debugl1(cs, "D-channel frame wrong EA0/EA1"); dev_kfree_skb(skb); return; } sapi = skb->data[0] >> 2; tei = skb->data[1] >> 1; if (cs->debug & DEB_DLOG_HEX) LogFrame(cs, skb->data, skb->len); if (cs->debug & DEB_DLOG_VERBOSE) dlogframe(cs, skb, 1); if (tei == GROUP_TEI) { if (sapi == CTRL_SAPI) { /* sapi 0 */ while (stptr != NULL) { if ((nskb = skb_clone(skb, GFP_ATOMIC))) stptr->l1.l1l2(stptr, PH_DATA | INDICATION, nskb); else printk(KERN_WARNING "HiSax: isdn broadcast buffer shortage\n"); stptr = stptr->next; } } else if (sapi == TEI_SAPI) { while (stptr != NULL) { if ((nskb = skb_clone(skb, GFP_ATOMIC))) stptr->l1.l1tei(stptr, PH_DATA | INDICATION, nskb); else printk(KERN_WARNING "HiSax: tei broadcast buffer shortage\n"); stptr = stptr->next; } } dev_kfree_skb(skb); } else if (sapi == CTRL_SAPI) { /* sapi 0 */ found = 0; while (stptr != NULL) if (tei == stptr->l2.tei) { stptr->l1.l1l2(stptr, PH_DATA | INDICATION, skb); found = !0; break; } else stptr = stptr->next; if (!found) dev_kfree_skb(skb); } else dev_kfree_skb(skb); } } static void BChannel_proc_xmt(struct BCState *bcs) { struct PStack *st = bcs->st; if (test_bit(BC_FLG_BUSY, &bcs->Flag)) { debugl1(bcs->cs, "BC_BUSY Error"); return; } if (test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags)) st->l1.l1l2(st, PH_PULL | CONFIRM, NULL); if (!test_bit(BC_FLG_ACTIV, &bcs->Flag)) { if (!test_bit(BC_FLG_BUSY, &bcs->Flag) && skb_queue_empty(&bcs->squeue)) { st->l2.l2l1(st, PH_DEACTIVATE | CONFIRM, NULL); } } } static void BChannel_proc_rcv(struct BCState *bcs) { struct sk_buff *skb; if (bcs->st->l1.l1m.state == ST_L1_WAIT_ACT) { FsmDelTimer(&bcs->st->l1.timer, 4); FsmEvent(&bcs->st->l1.l1m, EV_TIMER_ACT, NULL); } while ((skb = skb_dequeue(&bcs->rqueue))) { bcs->st->l1.l1l2(bcs->st, PH_DATA | INDICATION, skb); } } static void BChannel_proc_ack(struct BCState *bcs) { u_long flags; int ack; spin_lock_irqsave(&bcs->aclock, flags); ack = bcs->ackcnt; bcs->ackcnt = 0; spin_unlock_irqrestore(&bcs->aclock, flags); if (ack) lli_writewakeup(bcs->st, ack); } void BChannel_bh(struct work_struct *work) { struct BCState *bcs = container_of(work, struct BCState, tqueue); if (!bcs) return; if (test_and_clear_bit(B_RCVBUFREADY, &bcs->event)) BChannel_proc_rcv(bcs); if (test_and_clear_bit(B_XMTBUFREADY, &bcs->event)) BChannel_proc_xmt(bcs); if (test_and_clear_bit(B_ACKPENDING, &bcs->event)) BChannel_proc_ack(bcs); } void HiSax_addlist(struct IsdnCardState *cs, struct PStack *st) { st->next = cs->stlist; cs->stlist = st; } void HiSax_rmlist(struct IsdnCardState *cs, struct PStack *st) { struct PStack *p; FsmDelTimer(&st->l1.timer, 0); if (cs->stlist == st) cs->stlist = st->next; else { p = cs->stlist; while (p) if (p->next == st) { p->next = st->next; return; } else p = p->next; } } void init_bcstate(struct IsdnCardState *cs, int bc) { struct BCState *bcs = cs->bcs + bc; bcs->cs = cs; bcs->channel = bc; INIT_WORK(&bcs->tqueue, BChannel_bh); spin_lock_init(&bcs->aclock); bcs->BC_SetStack = NULL; bcs->BC_Close = NULL; bcs->Flag = 0; } #ifdef L2FRAME_DEBUG /* psa */ static char * l2cmd(u_char cmd) { switch (cmd & ~0x10) { case 1: return "RR"; case 5: return "RNR"; case 9: return "REJ"; case 0x6f: return "SABME"; case 0x0f: return "DM"; case 3: return "UI"; case 0x43: return "DISC"; case 0x63: return "UA"; case 0x87: return "FRMR"; case 0xaf: return "XID"; default: if (!(cmd & 1)) return "I"; else return "invalid command"; } } static char tmpdeb[32]; static char * l2frames(u_char * ptr) { switch (ptr[2] & ~0x10) { case 1: case 5: case 9: sprintf(tmpdeb, "%s[%d](nr %d)", l2cmd(ptr[2]), ptr[3] & 1, ptr[3] >> 1); break; case 0x6f: case 0x0f: case 3: case 0x43: case 0x63: case 0x87: case 0xaf: sprintf(tmpdeb, "%s[%d]", l2cmd(ptr[2]), (ptr[2] & 0x10) >> 4); break; default: if (!(ptr[2] & 1)) { sprintf(tmpdeb, "I[%d](ns %d, nr %d)", ptr[3] & 1, ptr[2] >> 1, ptr[3] >> 1); break; } else return "invalid command"; } return tmpdeb; } void Logl2Frame(struct IsdnCardState *cs, struct sk_buff *skb, char *buf, int dir) { u_char *ptr; ptr = skb->data; if (ptr[0] & 1 || !(ptr[1] & 1)) debugl1(cs, "Address not LAPD"); else debugl1(cs, "%s %s: %s%c (sapi %d, tei %d)", (dir ? "<-" : "->"), buf, l2frames(ptr), ((ptr[0] & 2) >> 1) == dir ? 'C' : 'R', ptr[0] >> 2, ptr[1] >> 1); } #endif static void l1_reset(struct FsmInst *fi, int event, void *arg) { FsmChangeState(fi, ST_L1_F3); } static void l1_deact_cnf(struct FsmInst *fi, int event, void *arg) { struct PStack *st = fi->userdata; FsmChangeState(fi, ST_L1_F3); if (test_bit(FLG_L1_ACTIVATING, &st->l1.Flags)) st->l1.l1hw(st, HW_ENABLE | REQUEST, NULL); } static void l1_deact_req_s(struct FsmInst *fi, int event, void *arg) { struct PStack *st = fi->userdata; FsmChangeState(fi, ST_L1_F3); FsmRestartTimer(&st->l1.timer, 550, EV_TIMER_DEACT, NULL, 2); test_and_set_bit(FLG_L1_DEACTTIMER, &st->l1.Flags); } static void l1_power_up_s(struct FsmInst *fi, int event, void *arg) { struct PStack *st = fi->userdata; if (test_bit(FLG_L1_ACTIVATING, &st->l1.Flags)) { FsmChangeState(fi, ST_L1_F4); st->l1.l1hw(st, HW_INFO3 | REQUEST, NULL); FsmRestartTimer(&st->l1.timer, TIMER3_VALUE, EV_TIMER3, NULL, 2); test_and_set_bit(FLG_L1_T3RUN, &st->l1.Flags); } else FsmChangeState(fi, ST_L1_F3); } static void l1_go_F5(struct FsmInst *fi, int event, void *arg) { FsmChangeState(fi, ST_L1_F5); } static void l1_go_F8(struct FsmInst *fi, int event, void *arg) { FsmChangeState(fi, ST_L1_F8); } static void l1_info2_ind(struct FsmInst *fi, int event, void *arg) { struct PStack *st = fi->userdata; #ifdef HISAX_UINTERFACE if (test_bit(FLG_L1_UINT, &st->l1.Flags)) FsmChangeState(fi, ST_L1_SYNC2); else #endif FsmChangeState(fi, ST_L1_F6); st->l1.l1hw(st, HW_INFO3 | REQUEST, NULL); } static void l1_info4_ind(struct FsmInst *fi, int event, void *arg) { struct PStack *st = fi->userdata; #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}, }; #define L1S_FN_COUNT (sizeof(L1SFnList)/sizeof(struct FsmNode)) #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}, }; #define L1U_FN_COUNT (sizeof(L1UFnList)/sizeof(struct FsmNode)) #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}, }; #define L1B_FN_COUNT (sizeof(L1BFnList)/sizeof(struct FsmNode)) 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, L1S_FN_COUNT); 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, L1B_FN_COUNT); 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, L1U_FN_COUNT); 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); }