void
hscx_l2l1(struct PStack *st, int pr, void *arg)
{
struct sk_buff *skb = arg;
switch (pr) {
case (PH_DATA | REQUEST):
xmit_data_req_b(st->l1.bcs, skb);
break;
case (PH_PULL | INDICATION):
xmit_pull_ind_b(st->l1.bcs, skb);
break;
case (PH_PULL | REQUEST):
xmit_pull_req_b(st);
break;
case (PH_ACTIVATE | REQUEST):
test_and_set_bit(BC_FLG_ACTIV, &st->l1.bcs->Flag);
modehscx(st->l1.bcs, st->l1.mode, st->l1.bc);
l1_msg_b(st, pr, arg);
break;
case (PH_DEACTIVATE | REQUEST):
l1_msg_b(st, pr, arg);
break;
case (PH_DEACTIVATE | CONFIRM):
test_and_clear_bit(BC_FLG_ACTIV, &st->l1.bcs->Flag);
test_and_clear_bit(BC_FLG_BUSY, &st->l1.bcs->Flag);
modehscx(st->l1.bcs, 0, st->l1.bc);
L1L2(st, PH_DEACTIVATE | CONFIRM, NULL);
break;
}
}
void
hscx_l2l1(struct PStack *st, int pr, void *arg)
{
struct BCState *bcs = st->l1.bcs;
u_long flags;
struct sk_buff *skb = arg;
switch (pr) {
case (PH_DATA | REQUEST):
spin_lock_irqsave(&bcs->cs->lock, flags);
if (bcs->tx_skb) {
skb_queue_tail(&bcs->squeue, skb);
} else {
bcs->tx_skb = skb;
test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
bcs->hw.hscx.count = 0;
bcs->cs->BC_Send_Data(bcs);
}
spin_unlock_irqrestore(&bcs->cs->lock, flags);
break;
case (PH_PULL | INDICATION):
spin_lock_irqsave(&bcs->cs->lock, flags);
if (bcs->tx_skb) {
printk(KERN_WARNING "hscx_l2l1: this shouldn't happen\n");
} else {
test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
bcs->tx_skb = skb;
bcs->hw.hscx.count = 0;
bcs->cs->BC_Send_Data(bcs);
}
spin_unlock_irqrestore(&bcs->cs->lock, flags);
break;
case (PH_PULL | REQUEST):
if (!bcs->tx_skb) {
test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
st->l1.l1l2(st, PH_PULL | CONFIRM, NULL);
} else
test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
break;
case (PH_ACTIVATE | REQUEST):
spin_lock_irqsave(&bcs->cs->lock, flags);
test_and_set_bit(BC_FLG_ACTIV, &bcs->Flag);
modehscx(bcs, st->l1.mode, st->l1.bc);
spin_unlock_irqrestore(&bcs->cs->lock, flags);
l1_msg_b(st, pr, arg);
break;
case (PH_DEACTIVATE | REQUEST):
l1_msg_b(st, pr, arg);
break;
case (PH_DEACTIVATE | CONFIRM):
spin_lock_irqsave(&bcs->cs->lock, flags);
test_and_clear_bit(BC_FLG_ACTIV, &bcs->Flag);
test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
modehscx(bcs, 0, st->l1.bc);
spin_unlock_irqrestore(&bcs->cs->lock, flags);
st->l1.l1l2(st, PH_DEACTIVATE | CONFIRM, NULL);
break;
}
}
HISAX_INITFUNC(void
inithscx(struct IsdnCardState *cs))
{
cs->bcs[0].BC_SetStack = setstack_hscx;
cs->bcs[1].BC_SetStack = setstack_hscx;
cs->bcs[0].BC_Close = close_hscxstate;
cs->bcs[1].BC_Close = close_hscxstate;
cs->bcs[0].hw.hscx.hscx = 0;
cs->bcs[1].hw.hscx.hscx = 1;
modehscx(cs->bcs, 0, 0);
modehscx(cs->bcs + 1, 0, 0);
}
void
inithscx(struct IsdnCardState *cs)
{
cs->bcs[0].BC_SetStack = setstack_hscx;
cs->bcs[1].BC_SetStack = setstack_hscx;
cs->bcs[0].BC_Close = close_hscxstate;
cs->bcs[1].BC_Close = close_hscxstate;
cs->bcs[0].hw.hscx.hscx = 0;
cs->bcs[1].hw.hscx.hscx = 1;
cs->bcs[0].hw.hscx.tsaxr0 = 0x2f;
cs->bcs[0].hw.hscx.tsaxr1 = 3;
cs->bcs[1].hw.hscx.tsaxr0 = 0x2f;
cs->bcs[1].hw.hscx.tsaxr1 = 3;
modehscx(cs->bcs, 0, 0);
modehscx(cs->bcs + 1, 0, 0);
}
void __init
inithscx(struct IsdnCardState *cs)
{
int val, eval;
cs->bc_l1_ops = &hscx_l1_ops;
cs->bcs[0].unit = 0;
cs->bcs[1].unit = 1;
cs->bcs[0].hw.hscx.tsaxr0 = 0x2f;
cs->bcs[0].hw.hscx.tsaxr1 = 3;
cs->bcs[1].hw.hscx.tsaxr0 = 0x2f;
cs->bcs[1].hw.hscx.tsaxr1 = 3;
val = hscx_read(&cs->bcs[1], HSCX_ISTA);
debugl1(cs, "HSCX B ISTA %x", val);
if (val & 0x01) {
eval = hscx_read(&cs->bcs[1], HSCX_EXIR);
debugl1(cs, "HSCX B EXIR %x", eval);
}
if (val & 0x02) {
eval = hscx_read(&cs->bcs[0], HSCX_EXIR);
debugl1(cs, "HSCX A EXIR %x", eval);
}
val = hscx_read(&cs->bcs[0], HSCX_ISTA);
debugl1(cs, "HSCX A ISTA %x", val);
val = hscx_read(&cs->bcs[1], HSCX_STAR);
debugl1(cs, "HSCX B STAR %x", val);
val = hscx_read(&cs->bcs[0], HSCX_STAR);
debugl1(cs, "HSCX A STAR %x", val);
/* disable all IRQ */
hscx_write(&cs->bcs[0], HSCX_MASK, 0xFF);
hscx_write(&cs->bcs[1], HSCX_MASK, 0xFF);
modehscx(&cs->bcs[0], 0, 0);
modehscx(&cs->bcs[1], 0, 0);
/* Reenable all IRQ */
hscx_write(&cs->bcs[0], HSCX_MASK, 0x0);
hscx_write(&cs->bcs[1], HSCX_MASK, 0x0);
}
static void
close_hscxstate(struct BCState *bcs)
{
modehscx(bcs, 0, bcs->channel);
if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
kfree(bcs->hw.hscx.rcvbuf);
bcs->hw.hscx.rcvbuf = NULL;
kfree(bcs->blog);
bcs->blog = NULL;
skb_queue_purge(&bcs->rqueue);
skb_queue_purge(&bcs->squeue);
if (bcs->tx_skb) {
dev_kfree_skb_any(bcs->tx_skb);
bcs->tx_skb = NULL;
test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
}
}
}
void
close_elsastate(struct BCState *bcs)
{
modehscx(bcs, 0, bcs->channel);
if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
if (bcs->hw.hscx.rcvbuf) {
if (bcs->mode != L1_MODE_MODEM)
kfree(bcs->hw.hscx.rcvbuf);
bcs->hw.hscx.rcvbuf = NULL;
}
skb_queue_purge(&bcs->rqueue);
skb_queue_purge(&bcs->squeue);
if (bcs->tx_skb) {
dev_kfree_skb_any(bcs->tx_skb);
bcs->tx_skb = NULL;
test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
}
}
}
void
close_hscxstate(struct BCState *bcs)
{
modehscx(bcs, 0, bcs->channel);
if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
if (bcs->hw.hscx.rcvbuf) {
kfree(bcs->hw.hscx.rcvbuf);
bcs->hw.hscx.rcvbuf = NULL;
}
if (bcs->blog) {
kfree(bcs->blog);
bcs->blog = NULL;
}
discard_queue(&bcs->rqueue);
discard_queue(&bcs->squeue);
if (bcs->tx_skb) {
dev_kfree_skb(bcs->tx_skb, FREE_WRITE);
bcs->tx_skb = NULL;
test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
}
}
}
void
close_hscxstate(struct BCState *bcs)
{
modehscx(bcs, 0, bcs->channel);
bc_close(bcs);
}
