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/* $Id: teles3c.c,v 1.2 1998/02/02 13:27:07 keil Exp $
* teles3c.c low level stuff for teles 16.3c
*
* Author Karsten Keil (keil@temic-ech.spacenet.de)
*
*
* $Log: teles3c.c,v $
* Revision 1.2 1998/02/02 13:27:07 keil
* New
*
*
*
*/
#define __NO_VERSION__
#include "hisax.h"
#include "hfc_2bds0.h"
#include "isdnl1.h"
extern const char *CardType[];
const char *teles163c_revision = "$Revision: 1.2 $";
static void
t163c_interrupt(int intno, void *dev_id, struct pt_regs *regs)
{
struct IsdnCardState *cs = dev_id;
u_char val, stat;
char tmp[32];
if (!cs) {
printk(KERN_WARNING "teles3c: Spurious interrupt!\n");
return;
}
if ((HFCD_ANYINT | HFCD_BUSY_NBUSY) &
(stat = cs->BC_Read_Reg(cs, HFCD_DATA, HFCD_STAT))) {
val = cs->BC_Read_Reg(cs, HFCD_DATA, HFCD_INT_S1);
if (cs->debug & L1_DEB_ISAC) {
sprintf(tmp, "teles3c: stat(%02x) s1(%02x)", stat, val);
debugl1(cs, tmp);
}
hfc2bds0_interrupt(cs, val);
} else {
if (cs->debug & L1_DEB_ISAC) {
sprintf(tmp, "teles3c: irq_no_irq stat(%02x)", stat);
debugl1(cs, tmp);
}
}
}
static void
t163c_Timer(struct IsdnCardState *cs)
{
cs->hw.hfcD.timer.expires = jiffies + 75;
/* WD RESET */
/* WriteReg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt | 0x80);
add_timer(&cs->hw.hfcD.timer);
*/
}
void
release_io_t163c(struct IsdnCardState *cs)
{
release2bds0(cs);
del_timer(&cs->hw.hfcD.timer);
if (cs->hw.hfcD.addr)
release_region(cs->hw.hfcD.addr, 2);
}
static void
reset_t163c(struct IsdnCardState *cs)
{
long flags;
printk(KERN_INFO "teles3c: resetting card\n");
cs->hw.hfcD.cirm = HFCD_RESET | HFCD_MEM8K;
cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm); /* Reset On */
save_flags(flags);
sti();
current->state = TASK_INTERRUPTIBLE;
schedule_timeout(3);
cs->hw.hfcD.cirm = HFCD_MEM8K;
cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm); /* Reset Off */
current->state = TASK_INTERRUPTIBLE;
schedule_timeout(1);
cs->hw.hfcD.cirm |= HFCD_INTB;
cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm); /* INT B */
cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CLKDEL, 0x0e);
cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_TEST, HFCD_AUTO_AWAKE); /* S/T Auto awake */
cs->hw.hfcD.ctmt = HFCD_TIM25 | HFCD_AUTO_TIMER;
cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt);
cs->hw.hfcD.int_m2 = HFCD_IRQ_ENABLE;
cs->hw.hfcD.int_m1 = HFCD_INTS_B1TRANS | HFCD_INTS_B2TRANS |
HFCD_INTS_DTRANS | HFCD_INTS_B1REC | HFCD_INTS_B2REC |
HFCD_INTS_DREC | HFCD_INTS_L1STATE;
cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_INT_M1, cs->hw.hfcD.int_m1);
cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_INT_M2, cs->hw.hfcD.int_m2);
cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_STATES, HFCD_LOAD_STATE | 2); /* HFC ST 2 */
udelay(10);
cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_STATES, 2); /* HFC ST 2 */
cs->hw.hfcD.mst_m = 0;
cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_MST_MODE, HFCD_MASTER); /* HFC Master */
cs->hw.hfcD.sctrl = 0;
cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_SCTRL, cs->hw.hfcD.sctrl);
restore_flags(flags);
}
static int
t163c_card_msg(struct IsdnCardState *cs, int mt, void *arg)
{
long flags;
char tmp[32];
if (cs->debug & L1_DEB_ISAC) {
sprintf(tmp, "teles3c: card_msg %x", mt);
debugl1(cs, tmp);
}
switch (mt) {
case CARD_RESET:
reset_t163c(cs);
return(0);
case CARD_RELEASE:
release_io_t163c(cs);
return(0);
case CARD_SETIRQ:
cs->hw.hfcD.timer.expires = jiffies + 75;
add_timer(&cs->hw.hfcD.timer);
return(request_irq(cs->irq, &t163c_interrupt,
I4L_IRQ_FLAG, "HiSax", cs));
case CARD_INIT:
init2bds0(cs);
save_flags(flags);
sti();
current->state = TASK_INTERRUPTIBLE;
schedule_timeout((80*HZ)/1000);
cs->hw.hfcD.ctmt |= HFCD_TIM800;
cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt);
cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_MST_MODE, cs->hw.hfcD.mst_m);
restore_flags(flags);
return(0);
case CARD_TEST:
return(0);
}
return(0);
}
__initfunc(int
setup_t163c(struct IsdnCard *card))
{
struct IsdnCardState *cs = card->cs;
char tmp[64];
strcpy(tmp, teles163c_revision);
printk(KERN_INFO "HiSax: Teles 16.3c driver Rev. %s\n", HiSax_getrev(tmp));
if (cs->typ != ISDN_CTYPE_TELES3C)
return (0);
cs->debug = 0xff;
cs->hw.hfcD.addr = card->para[1] & 0xfffe;
cs->irq = card->para[0];
cs->hw.hfcD.cip = 0;
cs->hw.hfcD.int_s1 = 0;
cs->hw.hfcD.send = NULL;
cs->bcs[0].hw.hfc.send = NULL;
cs->bcs[1].hw.hfc.send = NULL;
cs->hw.hfcD.bfifosize = 1024 + 512;
cs->hw.hfcD.dfifosize = 512;
cs->ph_state = 0;
cs->hw.hfcD.fifo = 255;
if (check_region((cs->hw.hfcD.addr), 2)) {
printk(KERN_WARNING
"HiSax: %s config port %x-%x already in use\n",
CardType[card->typ],
cs->hw.hfcD.addr,
cs->hw.hfcD.addr + 2);
return (0);
} else {
request_region(cs->hw.hfcD.addr, 2, "teles3c isdn");
}
/* Teles 16.3c IO ADR is 0x200 | YY0U (YY Bit 15/14 address) */
outb(0x00, cs->hw.hfcD.addr);
outb(0x56, cs->hw.hfcD.addr | 1);
printk(KERN_INFO
"teles3c: defined at 0x%x IRQ %d HZ %d\n",
cs->hw.hfcD.addr,
cs->irq, HZ);
set_cs_func(cs);
cs->hw.hfcD.timer.function = (void *) t163c_Timer;
cs->hw.hfcD.timer.data = (long) cs;
init_timer(&cs->hw.hfcD.timer);
reset_t163c(cs);
cs->cardmsg = &t163c_card_msg;
return (1);
}
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