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/* $Id: sedlbauer.c,v 1.6 1998/02/09 18:46:06 keil Exp $
* sedlbauer.c low level stuff for Sedlbauer cards
* includes Support for the Sedlbauer Speed Star
* derived from the original file dynalink.c from Karsten Keil
*
* Copyright (C) 1997,1998 Marcus Niemann (for the modifications to
* the original file dynalink.c)
*
* Author Marcus Niemann (niemann@www-bib.fh-bielefeld.de)
*
* Thanks to Karsten Keil
* Sedlbauer AG for informations
* Edgar Toernig
*
* $Log: sedlbauer.c,v $
* Revision 1.6 1998/02/09 18:46:06 keil
* Support for Sedlbauer PCMCIA (Marcus Niemann)
*
* Revision 1.5 1998/02/02 13:29:45 keil
* fast io
*
* Revision 1.4 1997/11/08 21:35:52 keil
* new l1 init
*
* Revision 1.3 1997/11/06 17:09:28 keil
* New 2.1 init code
*
* Revision 1.2 1997/10/29 18:55:52 keil
* changes for 2.1.60 (irq2dev_map)
*
* Revision 1.1 1997/09/11 17:32:04 keil
* new
*
*
*/
#define __NO_VERSION__
#include "hisax.h"
#include "isac.h"
#include "hscx.h"
#include "isdnl1.h"
extern const char *CardType[];
const char *Sedlbauer_revision = "$Revision: 1.6 $";
const char *Sedlbauer_Types[] =
{"None", "Speed Card", "Speed Win", "Speed Star"};
#define SEDL_SPEED_CARD 1
#define SEDL_SPEED_WIN 2
#define SEDL_SPEED_STAR 3
#define byteout(addr,val) outb(val,addr)
#define bytein(addr) inb(addr)
#define SEDL_RESET_ON 0
#define SEDL_RESET_OFF 1
#define SEDL_ISAC 2
#define SEDL_HSCX 3
#define SEDL_ADR 4
#define SEDL_PCMCIA_RESET 0
#define SEDL_PCMCIA_ISAC 1
#define SEDL_PCMCIA_HSCX 2
#define SEDL_PCMCIA_ADR 4
#define SEDL_RESET 0x3 /* same as DOS driver */
static inline u_char
readreg(unsigned int ale, unsigned int adr, u_char off)
{
register u_char ret;
long flags;
save_flags(flags);
cli();
byteout(ale, off);
ret = bytein(adr);
restore_flags(flags);
return (ret);
}
static inline void
readfifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
{
/* fifo read without cli because it's allready done */
byteout(ale, off);
insb(adr, data, size);
}
static inline void
writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
{
long flags;
save_flags(flags);
cli();
byteout(ale, off);
byteout(adr, data);
restore_flags(flags);
}
static inline void
writefifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
{
/* fifo write without cli because it's allready done */
byteout(ale, off);
outsb(adr, data, size);
}
/* Interface functions */
static u_char
ReadISAC(struct IsdnCardState *cs, u_char offset)
{
return (readreg(cs->hw.sedl.adr, cs->hw.sedl.isac, offset));
}
static void
WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
{
writereg(cs->hw.sedl.adr, cs->hw.sedl.isac, offset, value);
}
static void
ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size)
{
readfifo(cs->hw.sedl.adr, cs->hw.sedl.isac, 0, data, size);
}
static void
WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size)
{
writefifo(cs->hw.sedl.adr, cs->hw.sedl.isac, 0, data, size);
}
static u_char
ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
{
return (readreg(cs->hw.sedl.adr,
cs->hw.sedl.hscx, offset + (hscx ? 0x40 : 0)));
}
static void
WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
{
writereg(cs->hw.sedl.adr,
cs->hw.sedl.hscx, offset + (hscx ? 0x40 : 0), value);
}
/*
* fast interrupt HSCX stuff goes here
*/
#define READHSCX(cs, nr, reg) readreg(cs->hw.sedl.adr, \
cs->hw.sedl.hscx, reg + (nr ? 0x40 : 0))
#define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.sedl.adr, \
cs->hw.sedl.hscx, reg + (nr ? 0x40 : 0), data)
#define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.sedl.adr, \
cs->hw.sedl.hscx, (nr ? 0x40 : 0), ptr, cnt)
#define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.sedl.adr, \
cs->hw.sedl.hscx, (nr ? 0x40 : 0), ptr, cnt)
#include "hscx_irq.c"
static void
sedlbauer_interrupt(int intno, void *dev_id, struct pt_regs *regs)
{
struct IsdnCardState *cs = dev_id;
u_char val, stat = 0;
if (!cs) {
printk(KERN_WARNING "Sedlbauer: Spurious interrupt!\n");
return;
}
if ((cs->typ == ISDN_CTYPE_SEDLBAUER_PCMCIA) && (*cs->busy_flag == 1)) {
/* The card tends to generate interrupts while being removed
causing us to just crash the kernel. bad. */
printk(KERN_WARNING "Sedlbauer: card not available!\n");
return;
}
val = readreg(cs->hw.sedl.adr, cs->hw.sedl.hscx, HSCX_ISTA + 0x40);
Start_HSCX:
if (val) {
hscx_int_main(cs, val);
stat |= 1;
}
val = readreg(cs->hw.sedl.adr, cs->hw.sedl.isac, ISAC_ISTA);
Start_ISAC:
if (val) {
isac_interrupt(cs, val);
stat |= 2;
}
val = readreg(cs->hw.sedl.adr, cs->hw.sedl.hscx, HSCX_ISTA + 0x40);
if (val) {
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "HSCX IntStat after IntRoutine");
goto Start_HSCX;
}
val = readreg(cs->hw.sedl.adr, cs->hw.sedl.isac, ISAC_ISTA);
if (val) {
if (cs->debug & L1_DEB_ISAC)
debugl1(cs, "ISAC IntStat after IntRoutine");
goto Start_ISAC;
}
if (stat & 1) {
writereg(cs->hw.sedl.adr, cs->hw.sedl.hscx, HSCX_MASK, 0xFF);
writereg(cs->hw.sedl.adr, cs->hw.sedl.hscx, HSCX_MASK + 0x40, 0xFF);
writereg(cs->hw.sedl.adr, cs->hw.sedl.hscx, HSCX_MASK, 0x0);
writereg(cs->hw.sedl.adr, cs->hw.sedl.hscx, HSCX_MASK + 0x40, 0x0);
}
if (stat & 2) {
writereg(cs->hw.sedl.adr, cs->hw.sedl.isac, ISAC_MASK, 0xFF);
writereg(cs->hw.sedl.adr, cs->hw.sedl.isac, ISAC_MASK, 0x0);
}
}
void
release_io_sedlbauer(struct IsdnCardState *cs)
{
int bytecnt = 8;
if (cs->hw.sedl.cfg_reg)
release_region(cs->hw.sedl.cfg_reg, bytecnt);
}
static void
reset_sedlbauer(struct IsdnCardState *cs)
{
long flags;
if (cs->typ != ISDN_CTYPE_SEDLBAUER_PCMCIA) {
byteout(cs->hw.sedl.reset_on, SEDL_RESET); /* Reset On */
save_flags(flags);
sti();
current->state = TASK_INTERRUPTIBLE;
current->timeout = jiffies + 1;
schedule();
byteout(cs->hw.sedl.reset_off, 0); /* Reset Off */
current->state = TASK_INTERRUPTIBLE;
current->timeout = jiffies + 1;
schedule();
restore_flags(flags);
}
}
static int
Sedl_card_msg(struct IsdnCardState *cs, int mt, void *arg)
{
switch (mt) {
case CARD_RESET:
reset_sedlbauer(cs);
return(0);
case CARD_RELEASE:
release_io_sedlbauer(cs);
return(0);
case CARD_SETIRQ:
return(request_irq(cs->irq, &sedlbauer_interrupt,
I4L_IRQ_FLAG, "HiSax", cs));
case CARD_INIT:
clear_pending_isac_ints(cs);
clear_pending_hscx_ints(cs);
initisac(cs);
inithscx(cs);
return(0);
case CARD_TEST:
return(0);
}
return(0);
}
__initfunc(int
setup_sedlbauer(struct IsdnCard *card))
{
int bytecnt;
struct IsdnCardState *cs = card->cs;
char tmp[64];
strcpy(tmp, Sedlbauer_revision);
printk(KERN_INFO "HiSax: Sedlbauer driver Rev. %s\n", HiSax_getrev(tmp));
if (cs->typ == ISDN_CTYPE_SEDLBAUER) {
cs->subtyp = SEDL_SPEED_CARD;
} else if (cs->typ == ISDN_CTYPE_SEDLBAUER_PCMCIA) {
cs->subtyp = SEDL_SPEED_STAR;
} else
return (0);
bytecnt = 8;
cs->hw.sedl.cfg_reg = card->para[1];
cs->irq = card->para[0];
if (cs->subtyp == SEDL_SPEED_STAR) {
cs->hw.sedl.adr = cs->hw.sedl.cfg_reg + SEDL_PCMCIA_ADR;
cs->hw.sedl.isac = cs->hw.sedl.cfg_reg + SEDL_PCMCIA_ISAC;
cs->hw.sedl.hscx = cs->hw.sedl.cfg_reg + SEDL_PCMCIA_HSCX;
cs->hw.sedl.reset_on = cs->hw.sedl.cfg_reg + SEDL_PCMCIA_RESET;
cs->hw.sedl.reset_off = cs->hw.sedl.cfg_reg + SEDL_PCMCIA_RESET;
} else {
cs->hw.sedl.adr = cs->hw.sedl.cfg_reg + SEDL_ADR;
cs->hw.sedl.isac = cs->hw.sedl.cfg_reg + SEDL_ISAC;
cs->hw.sedl.hscx = cs->hw.sedl.cfg_reg + SEDL_HSCX;
cs->hw.sedl.reset_on = cs->hw.sedl.cfg_reg + SEDL_RESET_ON;
cs->hw.sedl.reset_off = cs->hw.sedl.cfg_reg + SEDL_RESET_OFF;
}
/* In case of the sedlbauer pcmcia card, this region is in use,
reserved for us by the card manager. So we do not check it
here, it would fail. */
if (cs->typ != ISDN_CTYPE_SEDLBAUER_PCMCIA &&
check_region((cs->hw.sedl.cfg_reg), bytecnt)) {
printk(KERN_WARNING
"HiSax: %s config port %x-%x already in use\n",
CardType[card->typ],
cs->hw.sedl.cfg_reg,
cs->hw.sedl.cfg_reg + bytecnt);
return (0);
} else {
request_region(cs->hw.sedl.cfg_reg, bytecnt, "sedlbauer isdn");
}
printk(KERN_INFO
"Sedlbauer: defined at 0x%x IRQ %d\n",
cs->hw.sedl.cfg_reg,
cs->irq);
printk(KERN_WARNING
"Sedlbauer %s uses ports 0x%x-0x%x\n",
Sedlbauer_Types[cs->subtyp],
cs->hw.sedl.cfg_reg,
cs->hw.sedl.cfg_reg + bytecnt);
printk(KERN_INFO "Sedlbauer: resetting card\n");
reset_sedlbauer(cs);
cs->readisac = &ReadISAC;
cs->writeisac = &WriteISAC;
cs->readisacfifo = &ReadISACfifo;
cs->writeisacfifo = &WriteISACfifo;
cs->BC_Read_Reg = &ReadHSCX;
cs->BC_Write_Reg = &WriteHSCX;
cs->BC_Send_Data = &hscx_fill_fifo;
cs->cardmsg = &Sedl_card_msg;
ISACVersion(cs, "Sedlbauer:");
if (HscxVersion(cs, "Sedlbauer:")) {
printk(KERN_WARNING
"Sedlbauer: wrong HSCX versions check IO address\n");
release_io_sedlbauer(cs);
return (0);
}
return (1);
}
|
