static irqreturn_t
diva_irq_ipac_pci(int intno, void *dev_id)
{
struct IsdnCardState *cs = dev_id;
u_char ista, val;
int icnt = 5;
u_char *cfg;
u_long flags;
spin_lock_irqsave(&cs->lock, flags);
cfg = (u_char *) cs->hw.diva.pci_cfg;
val = *cfg;
if (!(val & PITA_INT0_STATUS)) {
spin_unlock_irqrestore(&cs->lock, flags);
return IRQ_NONE; /* other shared IRQ */
}
*cfg = PITA_INT0_STATUS; /* Reset pending INT0 */
ista = memreadreg(cs->hw.diva.cfg_reg, IPAC_ISTA);
Start_IPACPCI:
if (cs->debug & L1_DEB_IPAC)
debugl1(cs, "IPAC ISTA %02X", ista);
if (ista & 0x0f) {
val = memreadreg(cs->hw.diva.cfg_reg, HSCX_ISTA + 0x40);
if (ista & 0x01)
val |= 0x01;
if (ista & 0x04)
val |= 0x02;
if (ista & 0x08)
val |= 0x04;
if (val)
Memhscx_int_main(cs, val);
}
if (ista & 0x20) {
val = 0xfe & memreadreg(cs->hw.diva.cfg_reg, ISAC_ISTA + 0x80);
if (val) {
isac_interrupt(cs, val);
}
}
if (ista & 0x10) {
val = 0x01;
isac_interrupt(cs, val);
}
ista = memreadreg(cs->hw.diva.cfg_reg, IPAC_ISTA);
if ((ista & 0x3f) && icnt) {
icnt--;
goto Start_IPACPCI;
}
if (!icnt)
printk(KERN_WARNING "DIVA IPAC PCI IRQ LOOP\n");
memwritereg(cs->hw.diva.cfg_reg, IPAC_MASK, 0xFF);
memwritereg(cs->hw.diva.cfg_reg, IPAC_MASK, 0xC0);
spin_unlock_irqrestore(&cs->lock, flags);
return IRQ_HANDLED;
}
static void
diva_irq_ipac_pci(int intno, void *dev_id, struct pt_regs *regs)
{
struct IsdnCardState *cs = dev_id;
u_char ista,val;
int icnt=5;
u_char *cfg;
if (!cs) {
printk(KERN_WARNING "Diva: Spurious interrupt!\n");
return;
}
cfg = (u_char *) cs->hw.diva.pci_cfg;
val = *cfg;
if (!(val & PITA_INT0_STATUS))
return; /* other shared IRQ */
*cfg = PITA_INT0_STATUS; /* Reset pending INT0 */
ista = memreadreg(cs->hw.diva.cfg_reg, IPAC_ISTA);
Start_IPACPCI:
if (cs->debug & L1_DEB_IPAC)
debugl1(cs, "IPAC ISTA %02X", ista);
if (ista & 0x0f) {
val = memreadreg(cs->hw.diva.cfg_reg, HSCX_ISTA + 0x40);
if (ista & 0x01)
val |= 0x01;
if (ista & 0x04)
val |= 0x02;
if (ista & 0x08)
val |= 0x04;
if (val)
Memhscx_int_main(cs, val);
}
if (ista & 0x20) {
val = 0xfe & memreadreg(cs->hw.diva.cfg_reg, ISAC_ISTA + 0x80);
if (val) {
isac_interrupt(cs, val);
}
}
if (ista & 0x10) {
val = 0x01;
isac_interrupt(cs, val);
}
ista = memreadreg(cs->hw.diva.cfg_reg, IPAC_ISTA);
if ((ista & 0x3f) && icnt) {
icnt--;
goto Start_IPACPCI;
}
if (!icnt)
printk(KERN_WARNING "DIVA IPAC PCI IRQ LOOP\n");
memwritereg(cs->hw.diva.cfg_reg, IPAC_MASK, 0xFF);
memwritereg(cs->hw.diva.cfg_reg, IPAC_MASK, 0xC0);
}
static void
reset_diva(struct IsdnCardState *cs)
{
long flags;
save_flags(flags);
sti();
if (cs->subtyp == DIVA_IPAC_ISA) {
writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_POTA2, 0x20);
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout((10*HZ)/1000);
writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_POTA2, 0x00);
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout((10*HZ)/1000);
writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_MASK, 0xc0);
} else if (cs->subtyp == DIVA_IPAC_PCI) {
unsigned int *ireg = (unsigned int *)(cs->hw.diva.pci_cfg +
PITA_MISC_REG);
*ireg = PITA_PARA_SOFTRESET | PITA_PARA_MPX_MODE;
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout((10*HZ)/1000);
*ireg = PITA_PARA_MPX_MODE;
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout((10*HZ)/1000);
memwritereg(cs->hw.diva.cfg_reg, IPAC_MASK, 0xc0);
} else if (cs->subtyp == DIVA_IPACX_PCI) {
unsigned int *ireg = (unsigned int *)(cs->hw.diva.pci_cfg +
PITA_MISC_REG);
*ireg = PITA_PARA_SOFTRESET | PITA_PARA_MPX_MODE;
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout((10*HZ)/1000);
*ireg = PITA_PARA_MPX_MODE | PITA_SER_SOFTRESET;
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout((10*HZ)/1000);
MemWriteISAC_IPACX(cs, IPACX_MASK, 0xff); // Interrupts off
} else { /* DIVA 2.0 */
cs->hw.diva.ctrl_reg = 0; /* Reset On */
byteout(cs->hw.diva.ctrl, cs->hw.diva.ctrl_reg);
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout((10*HZ)/1000);
cs->hw.diva.ctrl_reg |= DIVA_RESET; /* Reset Off */
byteout(cs->hw.diva.ctrl, cs->hw.diva.ctrl_reg);
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout((10*HZ)/1000);
if (cs->subtyp == DIVA_ISA)
cs->hw.diva.ctrl_reg |= DIVA_ISA_LED_A;
else {
/* Workaround PCI9060 */
byteout(cs->hw.diva.pci_cfg + 0x69, 9);
cs->hw.diva.ctrl_reg |= DIVA_PCI_LED_A;
}
byteout(cs->hw.diva.ctrl, cs->hw.diva.ctrl_reg);
}
restore_flags(flags);
}
static void
Memhscx_fill_fifo(struct BCState *bcs)
{
struct IsdnCardState *cs = bcs->cs;
int more, count, cnt;
int fifo_size = test_bit(HW_IPAC, &cs->HW_Flags)? 64: 32;
u_char *ptr,*p;
long flags;
if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO))
debugl1(cs, "hscx_fill_fifo");
if (!bcs->tx_skb)
return;
if (bcs->tx_skb->len <= 0)
return;
more = (bcs->mode == L1_MODE_TRANS) ? 1 : 0;
if (bcs->tx_skb->len > fifo_size) {
more = !0;
count = fifo_size;
} else
count = bcs->tx_skb->len;
cnt = count;
MemwaitforXFW(cs, bcs->hw.hscx.hscx);
save_flags(flags);
cli();
p = ptr = bcs->tx_skb->data;
skb_pull(bcs->tx_skb, count);
bcs->tx_cnt -= count;
bcs->hw.hscx.count += count;
while(cnt--)
memwritereg(cs->hw.diva.cfg_reg, bcs->hw.hscx.hscx ? 0x40 : 0,
*p++);
MemWriteHSCXCMDR(cs, bcs->hw.hscx.hscx, more ? 0x8 : 0xa);
restore_flags(flags);
if (cs->debug & L1_DEB_HSCX_FIFO) {
char *t = bcs->blog;
t += sprintf(t, "hscx_fill_fifo %c cnt %d",
bcs->hw.hscx.hscx ? 'B' : 'A', count);
QuickHex(t, ptr, count);
debugl1(cs, bcs->blog);
}
}
static void
reset_diva(struct IsdnCardState *cs)
{
if (cs->subtyp == DIVA_IPAC_ISA) {
writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_POTA2, 0x20);
mdelay(10);
writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_POTA2, 0x00);
mdelay(10);
writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_MASK, 0xc0);
} else if (cs->subtyp == DIVA_IPAC_PCI) {
unsigned int *ireg = (unsigned int *)(cs->hw.diva.pci_cfg +
PITA_MISC_REG);
*ireg = PITA_PARA_SOFTRESET | PITA_PARA_MPX_MODE;
mdelay(10);
*ireg = PITA_PARA_MPX_MODE;
mdelay(10);
memwritereg(cs->hw.diva.cfg_reg, IPAC_MASK, 0xc0);
} else if (cs->subtyp == DIVA_IPACX_PCI) {
unsigned int *ireg = (unsigned int *)(cs->hw.diva.pci_cfg +
PITA_MISC_REG);
*ireg = PITA_PARA_SOFTRESET | PITA_PARA_MPX_MODE;
mdelay(10);
*ireg = PITA_PARA_MPX_MODE | PITA_SER_SOFTRESET;
mdelay(10);
MemWriteISAC_IPACX(cs, IPACX_MASK, 0xff); // Interrupts off
} else { /* DIVA 2.0 */
cs->hw.diva.ctrl_reg = 0; /* Reset On */
byteout(cs->hw.diva.ctrl, cs->hw.diva.ctrl_reg);
mdelay(10);
cs->hw.diva.ctrl_reg |= DIVA_RESET; /* Reset Off */
byteout(cs->hw.diva.ctrl, cs->hw.diva.ctrl_reg);
mdelay(10);
if (cs->subtyp == DIVA_ISA)
cs->hw.diva.ctrl_reg |= DIVA_ISA_LED_A;
else {
/* Workaround PCI9060 */
byteout(cs->hw.diva.pci_cfg + 0x69, 9);
cs->hw.diva.ctrl_reg |= DIVA_PCI_LED_A;
}
byteout(cs->hw.diva.ctrl, cs->hw.diva.ctrl_reg);
}
}
static void
MemWriteHSCX_IPACX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
{
memwritereg(cs->hw.diva.cfg_reg, offset +
(hscx ? IPACX_OFF_B2 : IPACX_OFF_B1), value);
}
static void
MemWriteISACfifo_IPACX(struct IsdnCardState *cs, u_char *data, int size)
{
while (size--)
memwritereg(cs->hw.diva.cfg_reg, 0, *data++);
}
static void
MemWriteISAC_IPACX(struct IsdnCardState *cs, u_char offset, u_char value)
{
memwritereg(cs->hw.diva.cfg_reg, offset, value);
}