931 lines
20 KiB
C
931 lines
20 KiB
C
/* $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);
|
|
}
|