--- /dev/null
+/* $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
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/gfp.h>
+#include "hisax.h"
+#include "isdnl1.h"
+
+const char *l1_revision = "$Revision: 2.46.2.5 $";
+
+#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},
+};
+
+#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, "%s %04X unhandled", __func__, 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);
+}
Code Review / kvmfornfv.git / blobdiff