static irqreturn_t c4_handle_interrupt(avmcard *card)
{
unsigned long flags;
u32 status;
spin_lock_irqsave(&card->lock, flags);
status = c4inmeml(card->mbase+DOORBELL);
if (status & DBELL_RESET_HOST) {
u_int i;
c4outmeml(card->mbase+PCI_OUT_INT_MASK, 0x0c);
spin_unlock_irqrestore(&card->lock, flags);
if (card->nlogcontr == 0)
return IRQ_HANDLED;
printk(KERN_ERR "%s: unexpected reset\n", card->name);
for (i=0; i < card->nr_controllers; i++) {
avmctrl_info *cinfo = &card->ctrlinfo[i];
memset(cinfo->version, 0, sizeof(cinfo->version));
spin_lock_irqsave(&card->lock, flags);
capilib_release(&cinfo->ncci_head);
spin_unlock_irqrestore(&card->lock, flags);
capi_ctr_reseted(&cinfo->capi_ctrl);
}
card->nlogcontr = 0;
return IRQ_HANDLED;
}
status &= (DBELL_UP_HOST | DBELL_DOWN_HOST);
if (!status) {
spin_unlock_irqrestore(&card->lock, flags);
return IRQ_HANDLED;
}
c4outmeml(card->mbase+DOORBELL, status);
if ((status & DBELL_UP_HOST) != 0) {
card->dma->recvlen = c4inmeml(card->mbase+MBOX_UP_LEN);
c4outmeml(card->mbase+MBOX_UP_LEN, 0);
c4_handle_rx(card);
card->dma->recvlen = 0;
c4outmeml(card->mbase+MBOX_UP_LEN, card->dma->recvbuf.size);
c4outmeml(card->mbase+DOORBELL, DBELL_UP_ARM);
}
if ((status & DBELL_DOWN_HOST) != 0) {
card->csr &= ~DBELL_DOWN_ARM;
c4_dispatch_tx(card);
} else if (card->csr & DBELL_DOWN_HOST) {
if (c4inmeml(card->mbase+MBOX_DOWN_LEN) == 0) {
card->csr &= ~DBELL_DOWN_ARM;
c4_dispatch_tx(card);
}
}
spin_unlock_irqrestore(&card->lock, flags);
return IRQ_HANDLED;
}
static void
hycapi_reset_ctr(struct capi_ctr *ctrl)
{
hycapictrl_info *cinfo = ctrl->driverdata;
#ifdef HYCAPI_PRINTFNAMES
printk(KERN_NOTICE "HYCAPI hycapi_reset_ctr\n");
#endif
capilib_release(&cinfo->ncci_head);
capi_ctr_reseted(ctrl);
}
int hycapi_capi_stop(hysdn_card *card)
{
hycapictrl_info *cinfo = card->hyctrlinfo;
struct capi_ctr *ctrl;
#ifdef HYCAPI_PRINTFNAMES
printk(KERN_NOTICE "hycapi_capi_stop\n");
#endif
if(cinfo) {
ctrl = &cinfo->capi_ctrl;
/* ctrl->suspend_output(ctrl); */
capi_ctr_reseted(ctrl);
}
return 0;
}
void b1dma_reset_ctr(struct capi_ctr *ctrl)
{
avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
avmcard *card = cinfo->card;
unsigned long flags;
spin_lock_irqsave(&card->lock, flags);
b1dma_reset(card);
spin_unlock_irqrestore(&card->lock, flags);
memset(cinfo->version, 0, sizeof(cinfo->version));
capilib_release(&cinfo->ncci_head);
capi_ctr_reseted(ctrl);
}
int detach_capi_ctr(struct capi_ctr *card)
{
if (card->cardstate != CARD_DETECTED)
capi_ctr_reseted(card);
ncards--;
if (card->procent) {
remove_proc_entry(card->procfn, 0);
card->procent = 0;
}
capi_cards[card->cnr - 1] = NULL;
printk(KERN_NOTICE "kcapi: Controller %d: %s unregistered\n",
card->cnr, card->name);
return 0;
}
static void c4_reset_ctr(struct capi_ctr *ctrl)
{
avmcard *card = ((avmctrl_info *)(ctrl->driverdata))->card;
avmctrl_info *cinfo;
u_int i;
unsigned long flags;
spin_lock_irqsave(&card->lock, flags);
c4_reset(card);
spin_unlock_irqrestore(&card->lock, flags);
for (i=0; i < card->nr_controllers; i++) {
cinfo = &card->ctrlinfo[i];
memset(cinfo->version, 0, sizeof(cinfo->version));
capi_ctr_reseted(&cinfo->capi_ctrl);
}
card->nlogcontr = 0;
}
