static void
release_card(struct w6692_hw *card)
{
u_long flags;
spin_lock_irqsave(&card->lock, flags);
disable_hwirq(card);
w6692_mode(&card->bc[0], ISDN_P_NONE);
w6692_mode(&card->bc[1], ISDN_P_NONE);
if ((card->fmask & led) || card->subtype == W6692_USR) {
card->xdata |= 0x04;
WriteW6692(card, W_XDATA, card->xdata);
}
spin_unlock_irqrestore(&card->lock, flags);
free_irq(card->irq, card);
l1_event(card->dch.l1, CLOSE_CHANNEL);
mISDN_unregister_device(&card->dch.dev);
release_region(card->addr, 256);
mISDN_freebchannel(&card->bc[1].bch);
mISDN_freebchannel(&card->bc[0].bch);
mISDN_freedchannel(&card->dch);
write_lock_irqsave(&card_lock, flags);
list_del(&card->list);
write_unlock_irqrestore(&card_lock, flags);
pci_disable_device(card->pdev);
pci_set_drvdata(card->pdev, NULL);
kfree(card);
}
void initW6692(struct w6692_hw *card)
{
u8 val;
card->dch.timer.function = (void *)dbusy_timer_handler;
card->dch.timer.data = (u_long)&card->dch;
init_timer(&card->dch.timer);
w6692_mode(&card->bc[0], ISDN_P_NONE);
w6692_mode(&card->bc[1], ISDN_P_NONE);
WriteW6692(card, W_D_CTL, 0x00);
disable_hwirq(card);
WriteW6692(card, W_D_SAM, 0xff);
WriteW6692(card, W_D_TAM, 0xff);
WriteW6692(card, W_D_MODE, W_D_MODE_RACT);
card->state = W_L1CMD_RST;
ph_command(card, W_L1CMD_RST);
ph_command(card, W_L1CMD_ECK);
/* enable all IRQ but extern */
card->imask = 0x18;
WriteW6692(card, W_D_EXIM, 0x00);
WriteW6692B(&card->bc[0], W_B_EXIM, 0);
WriteW6692B(&card->bc[1], W_B_EXIM, 0);
/* Reset D-chan receiver and transmitter */
WriteW6692(card, W_D_CMDR, W_D_CMDR_RRST | W_D_CMDR_XRST);
/* Reset B-chan receiver and transmitter */
WriteW6692B(&card->bc[0], W_B_CMDR, W_B_CMDR_RRST | W_B_CMDR_XRST);
WriteW6692B(&card->bc[1], W_B_CMDR, W_B_CMDR_RRST | W_B_CMDR_XRST);
/* enable peripheral */
if (card->subtype == W6692_USR) {
/* seems that USR implemented some power control features
* Pin 79 is connected to the oscilator circuit so we
* have to handle it here
*/
card->pctl = 0x80;
card->xdata = 0;
WriteW6692(card, W_PCTL, card->pctl);
WriteW6692(card, W_XDATA, card->xdata);
} else {
card->pctl = W_PCTL_OE5 | W_PCTL_OE4 | W_PCTL_OE2 |
W_PCTL_OE1 | W_PCTL_OE0;
card->xaddr = 0x00;/* all sw off */
if (card->fmask & pots)
card->xdata |= 0x06; /* POWER UP/ LED OFF / ALAW */
if (card->fmask & led)
card->xdata |= 0x04; /* LED OFF */
if ((card->fmask & pots) || (card->fmask & led)) {
WriteW6692(card, W_PCTL, card->pctl);
WriteW6692(card, W_XADDR, card->xaddr);
WriteW6692(card, W_XDATA, card->xdata);
val = ReadW6692(card, W_XADDR);
if (debug & DEBUG_HW)
pr_notice("%s: W_XADDR=%02x\n",
card->name, val);
}
}
}
static int
w6692_l2l1B(struct mISDNchannel *ch, struct sk_buff *skb)
{
struct bchannel *bch = container_of(ch, struct bchannel, ch);
struct w6692_ch *bc = container_of(bch, struct w6692_ch, bch);
struct w6692_hw *card = bch->hw;
int ret = -EINVAL;
struct mISDNhead *hh = mISDN_HEAD_P(skb);
u32 id;
u_long flags;
switch (hh->prim) {
case PH_DATA_REQ:
spin_lock_irqsave(&card->lock, flags);
ret = bchannel_senddata(bch, skb);
if (ret > 0) {
id = hh->id;
ret = 0;
W6692_fill_Bfifo(bc);
spin_unlock_irqrestore(&card->lock, flags);
if (!test_bit(FLG_TRANSPARENT, &bch->Flags))
queue_ch_frame(ch, PH_DATA_CNF, id, NULL);
} else
spin_unlock_irqrestore(&card->lock, flags);
return ret;
case PH_ACTIVATE_REQ:
spin_lock_irqsave(&card->lock, flags);
if (!test_and_set_bit(FLG_ACTIVE, &bch->Flags))
ret = w6692_mode(bc, ch->protocol);
else
ret = 0;
spin_unlock_irqrestore(&card->lock, flags);
if (!ret)
_queue_data(ch, PH_ACTIVATE_IND, MISDN_ID_ANY, 0,
NULL, GFP_KERNEL);
break;
case PH_DEACTIVATE_REQ:
spin_lock_irqsave(&card->lock, flags);
mISDN_clear_bchannel(bch);
w6692_mode(bc, ISDN_P_NONE);
spin_unlock_irqrestore(&card->lock, flags);
_queue_data(ch, PH_DEACTIVATE_IND, MISDN_ID_ANY, 0,
NULL, GFP_KERNEL);
ret = 0;
break;
default:
pr_info("%s: %s unknown prim(%x,%x)\n",
card->name, __func__, hh->prim, hh->id);
ret = -EINVAL;
}
if (!ret)
dev_kfree_skb(skb);
return ret;
}
void initW6692(struct w6692_hw *card)
{
u8 val;
card->dch.timer.function = (void *)dbusy_timer_handler;
card->dch.timer.data = (u_long)&card->dch;
init_timer(&card->dch.timer);
w6692_mode(&card->bc[0], ISDN_P_NONE);
w6692_mode(&card->bc[1], ISDN_P_NONE);
WriteW6692(card, W_D_CTL, 0x00);
disable_hwirq(card);
WriteW6692(card, W_D_SAM, 0xff);
WriteW6692(card, W_D_TAM, 0xff);
WriteW6692(card, W_D_MODE, W_D_MODE_RACT);
card->state = W_L1CMD_RST;
ph_command(card, W_L1CMD_RST);
ph_command(card, W_L1CMD_ECK);
card->imask = 0x18;
WriteW6692(card, W_D_EXIM, 0x00);
WriteW6692B(&card->bc[0], W_B_EXIM, 0);
WriteW6692B(&card->bc[1], W_B_EXIM, 0);
WriteW6692(card, W_D_CMDR, W_D_CMDR_RRST | W_D_CMDR_XRST);
WriteW6692B(&card->bc[0], W_B_CMDR, W_B_CMDR_RRST | W_B_CMDR_XRST);
WriteW6692B(&card->bc[1], W_B_CMDR, W_B_CMDR_RRST | W_B_CMDR_XRST);
if (card->subtype == W6692_USR) {
card->pctl = 0x80;
card->xdata = 0;
WriteW6692(card, W_PCTL, card->pctl);
WriteW6692(card, W_XDATA, card->xdata);
} else {
card->pctl = W_PCTL_OE5 | W_PCTL_OE4 | W_PCTL_OE2 |
W_PCTL_OE1 | W_PCTL_OE0;
card->xaddr = 0x00;
if (card->fmask & pots)
card->xdata |= 0x06;
if (card->fmask & led)
card->xdata |= 0x04;
if ((card->fmask & pots) || (card->fmask & led)) {
WriteW6692(card, W_PCTL, card->pctl);
WriteW6692(card, W_XADDR, card->xaddr);
WriteW6692(card, W_XDATA, card->xdata);
val = ReadW6692(card, W_XADDR);
if (debug & DEBUG_HW)
pr_notice("%s: W_XADDR=%02x\n",
card->name, val);
}
}
}
static int
w6692_bctrl(struct mISDNchannel *ch, u32 cmd, void *arg)
{
struct bchannel *bch = container_of(ch, struct bchannel, ch);
struct w6692_ch *bc = container_of(bch, struct w6692_ch, bch);
struct w6692_hw *card = bch->hw;
int ret = -EINVAL;
u_long flags;
pr_debug("%s: %s cmd:%x %p\n", card->name, __func__, cmd, arg);
switch (cmd) {
case CLOSE_CHANNEL:
test_and_clear_bit(FLG_OPEN, &bch->Flags);
if (test_bit(FLG_ACTIVE, &bch->Flags)) {
spin_lock_irqsave(&card->lock, flags);
mISDN_freebchannel(bch);
w6692_mode(bc, ISDN_P_NONE);
spin_unlock_irqrestore(&card->lock, flags);
} else {
skb_queue_purge(&bch->rqueue);
bch->rcount = 0;
}
ch->protocol = ISDN_P_NONE;
ch->peer = NULL;
module_put(THIS_MODULE);
ret = 0;
break;
case CONTROL_CHANNEL:
ret = channel_bctrl(bch, arg);
break;
default:
pr_info("%s: %s unknown prim(%x)\n",
card->name, __func__, cmd);
}
return ret;
}
