[deliverable/linux.git] / drivers / isdn / hisax / teleint.c

/* $Id: teleint.c,v 1.16.2.5 2004/01/19 15:31:50 keil Exp $
 *
 * low level stuff for TeleInt isdn cards
 *
 * Author       Karsten Keil
 * Copyright    by Karsten Keil      <keil@isdn4linux.de>
 *
 * This software may be used and distributed according to the terms
 * of the GNU General Public License, incorporated herein by reference.
 *
 */

#include <linux/init.h>
#include "hisax.h"
#include "isac.h"
#include "hfc_2bs0.h"
#include "isdnl1.h"

static const char *TeleInt_revision = "$Revision: 1.16.2.5 $";

#define byteout(addr, val) outb(val, addr)
#define bytein(addr) inb(addr)

static inline u_char
readreg(unsigned int ale, unsigned int adr, u_char off)
{
	register u_char ret;
	int max_delay = 2000;

	byteout(ale, off);
	ret = HFC_BUSY & bytein(ale);
	while (ret && --max_delay)
		ret = HFC_BUSY & bytein(ale);
	if (!max_delay) {
		printk(KERN_WARNING "TeleInt Busy not inactive\n");
		return (0);
	}
	ret = bytein(adr);
	return (ret);
}

static inline void
readfifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size)
{
	register u_char ret;
	register int max_delay = 20000;
	register int i;

	byteout(ale, off);
	for (i = 0; i < size; i++) {
		ret = HFC_BUSY & bytein(ale);
		while (ret && --max_delay)
			ret = HFC_BUSY & bytein(ale);
		if (!max_delay) {
			printk(KERN_WARNING "TeleInt Busy not inactive\n");
			return;
		}
		data[i] = bytein(adr);
	}
}


static inline void
writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
{
	register u_char ret;
	int max_delay = 2000;

	byteout(ale, off);
	ret = HFC_BUSY & bytein(ale);
	while (ret && --max_delay)
		ret = HFC_BUSY & bytein(ale);
	if (!max_delay) {
		printk(KERN_WARNING "TeleInt Busy not inactive\n");
		return;
	}
	byteout(adr, data);
}

static inline void
writefifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size)
{
	register u_char ret;
	register int max_delay = 20000;
	register int i;

	byteout(ale, off);
	for (i = 0; i < size; i++) {
		ret = HFC_BUSY & bytein(ale);
		while (ret && --max_delay)
			ret = HFC_BUSY & bytein(ale);
		if (!max_delay) {
			printk(KERN_WARNING "TeleInt Busy not inactive\n");
			return;
		}
		byteout(adr, data[i]);
	}
}

/* Interface functions */

static u_char
ReadISAC(struct IsdnCardState *cs, u_char offset)
{
	cs->hw.hfc.cip = offset;
	return (readreg(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, offset));
}

static void
WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
{
	cs->hw.hfc.cip = offset;
	writereg(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, offset, value);
}

static void
ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size)
{
	cs->hw.hfc.cip = 0;
	readfifo(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, 0, data, size);
}

static void
WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size)
{
	cs->hw.hfc.cip = 0;
	writefifo(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, 0, data, size);
}

static u_char
ReadHFC(struct IsdnCardState *cs, int data, u_char reg)
{
	register u_char ret;

	if (data) {
		cs->hw.hfc.cip = reg;
		byteout(cs->hw.hfc.addr | 1, reg);
		ret = bytein(cs->hw.hfc.addr);
		if (cs->debug & L1_DEB_HSCX_FIFO && (data != 2))
			debugl1(cs, "hfc RD %02x %02x", reg, ret);
	} else
		ret = bytein(cs->hw.hfc.addr | 1);
	return (ret);
}

static void
WriteHFC(struct IsdnCardState *cs, int data, u_char reg, u_char value)
{
	byteout(cs->hw.hfc.addr | 1, reg);
	cs->hw.hfc.cip = reg;
	if (data)
		byteout(cs->hw.hfc.addr, value);
	if (cs->debug & L1_DEB_HSCX_FIFO && (data != 2))
		debugl1(cs, "hfc W%c %02x %02x", data ? 'D' : 'C', reg, value);
}

static irqreturn_t
TeleInt_interrupt(int intno, void *dev_id)
{
	struct IsdnCardState *cs = dev_id;
	u_char val;
	u_long flags;

	spin_lock_irqsave(&cs->lock, flags);
	val = readreg(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, ISAC_ISTA);
Start_ISAC:
	if (val)
		isac_interrupt(cs, val);
	val = readreg(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, ISAC_ISTA);
	if (val) {
		if (cs->debug & L1_DEB_ISAC)
			debugl1(cs, "ISAC IntStat after IntRoutine");
		goto Start_ISAC;
	}
	writereg(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, ISAC_MASK, 0xFF);
	writereg(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, ISAC_MASK, 0x0);
	spin_unlock_irqrestore(&cs->lock, flags);
	return IRQ_HANDLED;
}

static void
TeleInt_Timer(struct IsdnCardState *cs)
{
	int stat = 0;
	u_long flags;

	spin_lock_irqsave(&cs->lock, flags);
	if (cs->bcs[0].mode) {
		stat |= 1;
		main_irq_hfc(&cs->bcs[0]);
	}
	if (cs->bcs[1].mode) {
		stat |= 2;
		main_irq_hfc(&cs->bcs[1]);
	}
	spin_unlock_irqrestore(&cs->lock, flags);
	stat = HZ / 100;
	if (!stat)
		stat = 1;
	cs->hw.hfc.timer.expires = jiffies + stat;
	add_timer(&cs->hw.hfc.timer);
}

static void
release_io_TeleInt(struct IsdnCardState *cs)
{
	del_timer(&cs->hw.hfc.timer);
	releasehfc(cs);
	if (cs->hw.hfc.addr)
		release_region(cs->hw.hfc.addr, 2);
}

static void
reset_TeleInt(struct IsdnCardState *cs)
{
	printk(KERN_INFO "TeleInt: resetting card\n");
	cs->hw.hfc.cirm |= HFC_RESET;
	byteout(cs->hw.hfc.addr | 1, cs->hw.hfc.cirm);	/* Reset On */
	mdelay(10);
	cs->hw.hfc.cirm &= ~HFC_RESET;
	byteout(cs->hw.hfc.addr | 1, cs->hw.hfc.cirm);	/* Reset Off */
	mdelay(10);
}

static int
TeleInt_card_msg(struct IsdnCardState *cs, int mt, void *arg)
{
	u_long flags;
	int delay;

	switch (mt) {
	case CARD_RESET:
		spin_lock_irqsave(&cs->lock, flags);
		reset_TeleInt(cs);
		spin_unlock_irqrestore(&cs->lock, flags);
		return (0);
	case CARD_RELEASE:
		release_io_TeleInt(cs);
		return (0);
	case CARD_INIT:
		spin_lock_irqsave(&cs->lock, flags);
		reset_TeleInt(cs);
		inithfc(cs);
		clear_pending_isac_ints(cs);
		initisac(cs);
		/* Reenable all IRQ */
		cs->writeisac(cs, ISAC_MASK, 0);
		cs->writeisac(cs, ISAC_CMDR, 0x41);
		spin_unlock_irqrestore(&cs->lock, flags);
		delay = HZ / 100;
		if (!delay)
			delay = 1;
		cs->hw.hfc.timer.expires = jiffies + delay;
		add_timer(&cs->hw.hfc.timer);
		return (0);
	case CARD_TEST:
		return (0);
	}
	return (0);
}

int setup_TeleInt(struct IsdnCard *card)
{
	struct IsdnCardState *cs = card->cs;
	char tmp[64];

	strcpy(tmp, TeleInt_revision);
	printk(KERN_INFO "HiSax: TeleInt driver Rev. %s\n", HiSax_getrev(tmp));
	if (cs->typ != ISDN_CTYPE_TELEINT)
		return (0);

	cs->hw.hfc.addr = card->para[1] & 0x3fe;
	cs->irq = card->para[0];
	cs->hw.hfc.cirm = HFC_CIRM;
	cs->hw.hfc.isac_spcr = 0x00;
	cs->hw.hfc.cip = 0;
	cs->hw.hfc.ctmt = HFC_CTMT | HFC_CLTIMER;
	cs->bcs[0].hw.hfc.send = NULL;
	cs->bcs[1].hw.hfc.send = NULL;
	cs->hw.hfc.fifosize = 7 * 1024 + 512;
	cs->hw.hfc.timer.function = (void *) TeleInt_Timer;
	cs->hw.hfc.timer.data = (long) cs;
	init_timer(&cs->hw.hfc.timer);
	if (!request_region(cs->hw.hfc.addr, 2, "TeleInt isdn")) {
		printk(KERN_WARNING
		       "HiSax: TeleInt config port %x-%x already in use\n",
		       cs->hw.hfc.addr,
		       cs->hw.hfc.addr + 2);
		return (0);
	}
	/* HW IO = IO */
	byteout(cs->hw.hfc.addr, cs->hw.hfc.addr & 0xff);
	byteout(cs->hw.hfc.addr | 1, ((cs->hw.hfc.addr & 0x300) >> 8) | 0x54);
	switch (cs->irq) {
	case 3:
		cs->hw.hfc.cirm |= HFC_INTA;
		break;
	case 4:
		cs->hw.hfc.cirm |= HFC_INTB;
		break;
	case 5:
		cs->hw.hfc.cirm |= HFC_INTC;
		break;
	case 7:
		cs->hw.hfc.cirm |= HFC_INTD;
		break;
	case 10:
		cs->hw.hfc.cirm |= HFC_INTE;
		break;
	case 11:
		cs->hw.hfc.cirm |= HFC_INTF;
		break;
	default:
		printk(KERN_WARNING "TeleInt: wrong IRQ\n");
		release_io_TeleInt(cs);
		return (0);
	}
	byteout(cs->hw.hfc.addr | 1, cs->hw.hfc.cirm);
	byteout(cs->hw.hfc.addr | 1, cs->hw.hfc.ctmt);

	printk(KERN_INFO "TeleInt: defined at 0x%x IRQ %d\n",
	       cs->hw.hfc.addr, cs->irq);

	setup_isac(cs);
	cs->readisac = &ReadISAC;
	cs->writeisac = &WriteISAC;
	cs->readisacfifo = &ReadISACfifo;
	cs->writeisacfifo = &WriteISACfifo;
	cs->BC_Read_Reg = &ReadHFC;
	cs->BC_Write_Reg = &WriteHFC;
	cs->cardmsg = &TeleInt_card_msg;
	cs->irq_func = &TeleInt_interrupt;
	ISACVersion(cs, "TeleInt:");
	return (1);
}
Commit	Line	Data
1da177e4 LT	1	/* $Id: teleint.c,v 1.16.2.5 2004/01/19 15:31:50 keil Exp $
	2	*
	3	* low level stuff for TeleInt isdn cards
	4	*
	5	* Author Karsten Keil
	6	* Copyright by Karsten Keil <keil@isdn4linux.de>
475be4d8	7	*
1da177e4 LT	8	* This software may be used and distributed according to the terms
	9	* of the GNU General Public License, incorporated herein by reference.
	10	*
	11	*/
	12
	13	#include <linux/init.h>
	14	#include "hisax.h"
	15	#include "isac.h"
	16	#include "hfc_2bs0.h"
	17	#include "isdnl1.h"
	18
672c3fd9	19	static const char *TeleInt_revision = "$Revision: 1.16.2.5 $";
1da177e4	20
475be4d8	21	#define byteout(addr, val) outb(val, addr)
1da177e4 LT	22	#define bytein(addr) inb(addr)
	23
	24	static inline u_char
	25	readreg(unsigned int ale, unsigned int adr, u_char off)
	26	{
	27	register u_char ret;
	28	int max_delay = 2000;
	29
	30	byteout(ale, off);
	31	ret = HFC_BUSY & bytein(ale);
	32	while (ret && --max_delay)
	33	ret = HFC_BUSY & bytein(ale);
	34	if (!max_delay) {
	35	printk(KERN_WARNING "TeleInt Busy not inactive\n");
	36	return (0);
	37	}
	38	ret = bytein(adr);
	39	return (ret);
	40	}
	41
	42	static inline void
475be4d8	43	readfifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size)
1da177e4 LT	44	{
	45	register u_char ret;
	46	register int max_delay = 20000;
	47	register int i;
475be4d8	48
1da177e4	49	byteout(ale, off);
475be4d8	50	for (i = 0; i < size; i++) {
1da177e4 LT	51	ret = HFC_BUSY & bytein(ale);
	52	while (ret && --max_delay)
	53	ret = HFC_BUSY & bytein(ale);
	54	if (!max_delay) {
	55	printk(KERN_WARNING "TeleInt Busy not inactive\n");
	56	return;
	57	}
	58	data[i] = bytein(adr);
	59	}
	60	}
	61
	62
	63	static inline void
	64	writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
	65	{
	66	register u_char ret;
	67	int max_delay = 2000;
	68
	69	byteout(ale, off);
	70	ret = HFC_BUSY & bytein(ale);
	71	while (ret && --max_delay)
	72	ret = HFC_BUSY & bytein(ale);
	73	if (!max_delay) {
	74	printk(KERN_WARNING "TeleInt Busy not inactive\n");
	75	return;
	76	}
	77	byteout(adr, data);
	78	}
	79
	80	static inline void
475be4d8	81	writefifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size)
1da177e4 LT	82	{
	83	register u_char ret;
	84	register int max_delay = 20000;
	85	register int i;
475be4d8	86
1da177e4	87	byteout(ale, off);
475be4d8	88	for (i = 0; i < size; i++) {
1da177e4 LT	89	ret = HFC_BUSY & bytein(ale);
	90	while (ret && --max_delay)
	91	ret = HFC_BUSY & bytein(ale);
	92	if (!max_delay) {
	93	printk(KERN_WARNING "TeleInt Busy not inactive\n");
	94	return;
	95	}
	96	byteout(adr, data[i]);
	97	}
	98	}
	99
	100	/* Interface functions */
	101
	102	static u_char
	103	ReadISAC(struct IsdnCardState *cs, u_char offset)
	104	{
	105	cs->hw.hfc.cip = offset;
	106	return (readreg(cs->hw.hfc.addr \| 1, cs->hw.hfc.addr, offset));
	107	}
	108
	109	static void
	110	WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
	111	{
	112	cs->hw.hfc.cip = offset;
	113	writereg(cs->hw.hfc.addr \| 1, cs->hw.hfc.addr, offset, value);
	114	}
	115
	116	static void
475be4d8	117	ReadISACfifo(struct IsdnCardState cs, u_char data, int size)
1da177e4 LT	118	{
	119	cs->hw.hfc.cip = 0;
	120	readfifo(cs->hw.hfc.addr \| 1, cs->hw.hfc.addr, 0, data, size);
	121	}
	122
	123	static void
475be4d8	124	WriteISACfifo(struct IsdnCardState cs, u_char data, int size)
1da177e4 LT	125	{
	126	cs->hw.hfc.cip = 0;
	127	writefifo(cs->hw.hfc.addr \| 1, cs->hw.hfc.addr, 0, data, size);
	128	}
	129
	130	static u_char
	131	ReadHFC(struct IsdnCardState *cs, int data, u_char reg)
	132	{
	133	register u_char ret;
	134
	135	if (data) {
	136	cs->hw.hfc.cip = reg;
	137	byteout(cs->hw.hfc.addr \| 1, reg);
	138	ret = bytein(cs->hw.hfc.addr);
	139	if (cs->debug & L1_DEB_HSCX_FIFO && (data != 2))
	140	debugl1(cs, "hfc RD %02x %02x", reg, ret);
	141	} else
	142	ret = bytein(cs->hw.hfc.addr \| 1);
	143	return (ret);
	144	}
	145
	146	static void
	147	WriteHFC(struct IsdnCardState *cs, int data, u_char reg, u_char value)
	148	{
	149	byteout(cs->hw.hfc.addr \| 1, reg);
	150	cs->hw.hfc.cip = reg;
	151	if (data)
	152	byteout(cs->hw.hfc.addr, value);
	153	if (cs->debug & L1_DEB_HSCX_FIFO && (data != 2))
	154	debugl1(cs, "hfc W%c %02x %02x", data ? 'D' : 'C', reg, value);
	155	}
	156
	157	static irqreturn_t
7d12e780	158	TeleInt_interrupt(int intno, void *dev_id)
1da177e4 LT	159	{
	160	struct IsdnCardState *cs = dev_id;
	161	u_char val;
	162	u_long flags;
	163
	164	spin_lock_irqsave(&cs->lock, flags);
	165	val = readreg(cs->hw.hfc.addr \| 1, cs->hw.hfc.addr, ISAC_ISTA);
475be4d8	166	Start_ISAC:
1da177e4 LT	167	if (val)
	168	isac_interrupt(cs, val);
	169	val = readreg(cs->hw.hfc.addr \| 1, cs->hw.hfc.addr, ISAC_ISTA);
	170	if (val) {
	171	if (cs->debug & L1_DEB_ISAC)
	172	debugl1(cs, "ISAC IntStat after IntRoutine");
	173	goto Start_ISAC;
	174	}
	175	writereg(cs->hw.hfc.addr \| 1, cs->hw.hfc.addr, ISAC_MASK, 0xFF);
	176	writereg(cs->hw.hfc.addr \| 1, cs->hw.hfc.addr, ISAC_MASK, 0x0);
	177	spin_unlock_irqrestore(&cs->lock, flags);
	178	return IRQ_HANDLED;
	179	}
	180
	181	static void
	182	TeleInt_Timer(struct IsdnCardState *cs)
	183	{
	184	int stat = 0;
	185	u_long flags;
475be4d8	186
1da177e4 LT	187	spin_lock_irqsave(&cs->lock, flags);
	188	if (cs->bcs[0].mode) {
	189	stat \|= 1;
	190	main_irq_hfc(&cs->bcs[0]);
	191	}
	192	if (cs->bcs[1].mode) {
	193	stat \|= 2;
	194	main_irq_hfc(&cs->bcs[1]);
	195	}
	196	spin_unlock_irqrestore(&cs->lock, flags);
475be4d8	197	stat = HZ / 100;
1da177e4 LT	198	if (!stat)
	199	stat = 1;
	200	cs->hw.hfc.timer.expires = jiffies + stat;
	201	add_timer(&cs->hw.hfc.timer);
	202	}
	203
672c3fd9	204	static void
1da177e4 LT	205	release_io_TeleInt(struct IsdnCardState *cs)
	206	{
	207	del_timer(&cs->hw.hfc.timer);
	208	releasehfc(cs);
	209	if (cs->hw.hfc.addr)
	210	release_region(cs->hw.hfc.addr, 2);
	211	}
	212
	213	static void
	214	reset_TeleInt(struct IsdnCardState *cs)
	215	{
	216	printk(KERN_INFO "TeleInt: resetting card\n");
	217	cs->hw.hfc.cirm \|= HFC_RESET;
	218	byteout(cs->hw.hfc.addr \| 1, cs->hw.hfc.cirm); /* Reset On */
	219	mdelay(10);
	220	cs->hw.hfc.cirm &= ~HFC_RESET;
	221	byteout(cs->hw.hfc.addr \| 1, cs->hw.hfc.cirm); /* Reset Off */
	222	mdelay(10);
	223	}
	224
	225	static int
	226	TeleInt_card_msg(struct IsdnCardState cs, int mt, void arg)
	227	{
	228	u_long flags;
	229	int delay;
	230
	231	switch (mt) {
475be4d8 JP	232	case CARD_RESET:
	233	spin_lock_irqsave(&cs->lock, flags);
	234	reset_TeleInt(cs);
	235	spin_unlock_irqrestore(&cs->lock, flags);
	236	return (0);
	237	case CARD_RELEASE:
	238	release_io_TeleInt(cs);
	239	return (0);
	240	case CARD_INIT:
	241	spin_lock_irqsave(&cs->lock, flags);
	242	reset_TeleInt(cs);
	243	inithfc(cs);
	244	clear_pending_isac_ints(cs);
	245	initisac(cs);
	246	/* Reenable all IRQ */
	247	cs->writeisac(cs, ISAC_MASK, 0);
	248	cs->writeisac(cs, ISAC_CMDR, 0x41);
	249	spin_unlock_irqrestore(&cs->lock, flags);
	250	delay = HZ / 100;
	251	if (!delay)
	252	delay = 1;
	253	cs->hw.hfc.timer.expires = jiffies + delay;
	254	add_timer(&cs->hw.hfc.timer);
	255	return (0);
	256	case CARD_TEST:
	257	return (0);
1da177e4	258	}
475be4d8	259	return (0);
1da177e4 LT	260	}
1da177e4 LT	261
ed5a84cd	262	int setup_TeleInt(struct IsdnCard *card)
1da177e4 LT	263	{
	264	struct IsdnCardState *cs = card->cs;
	265	char tmp[64];
	266
	267	strcpy(tmp, TeleInt_revision);
	268	printk(KERN_INFO "HiSax: TeleInt driver Rev. %s\n", HiSax_getrev(tmp));
	269	if (cs->typ != ISDN_CTYPE_TELEINT)
	270	return (0);
	271
	272	cs->hw.hfc.addr = card->para[1] & 0x3fe;
	273	cs->irq = card->para[0];
	274	cs->hw.hfc.cirm = HFC_CIRM;
	275	cs->hw.hfc.isac_spcr = 0x00;
	276	cs->hw.hfc.cip = 0;
	277	cs->hw.hfc.ctmt = HFC_CTMT \| HFC_CLTIMER;
	278	cs->bcs[0].hw.hfc.send = NULL;
	279	cs->bcs[1].hw.hfc.send = NULL;
	280	cs->hw.hfc.fifosize = 7 * 1024 + 512;
	281	cs->hw.hfc.timer.function = (void *) TeleInt_Timer;
	282	cs->hw.hfc.timer.data = (long) cs;
	283	init_timer(&cs->hw.hfc.timer);
	284	if (!request_region(cs->hw.hfc.addr, 2, "TeleInt isdn")) {
	285	printk(KERN_WARNING
8349304d	286	"HiSax: TeleInt config port %x-%x already in use\n",
1da177e4 LT	287	cs->hw.hfc.addr,
	288	cs->hw.hfc.addr + 2);
	289	return (0);
	290	}
	291	/* HW IO = IO */
	292	byteout(cs->hw.hfc.addr, cs->hw.hfc.addr & 0xff);
	293	byteout(cs->hw.hfc.addr \| 1, ((cs->hw.hfc.addr & 0x300) >> 8) \| 0x54);
	294	switch (cs->irq) {
475be4d8 JP	295	case 3:
	296	cs->hw.hfc.cirm \|= HFC_INTA;
	297	break;
	298	case 4:
	299	cs->hw.hfc.cirm \|= HFC_INTB;
	300	break;
	301	case 5:
	302	cs->hw.hfc.cirm \|= HFC_INTC;
	303	break;
	304	case 7:
	305	cs->hw.hfc.cirm \|= HFC_INTD;
	306	break;
	307	case 10:
	308	cs->hw.hfc.cirm \|= HFC_INTE;
	309	break;
	310	case 11:
	311	cs->hw.hfc.cirm \|= HFC_INTF;
	312	break;
	313	default:
	314	printk(KERN_WARNING "TeleInt: wrong IRQ\n");
	315	release_io_TeleInt(cs);
	316	return (0);
1da177e4 LT	317	}
	318	byteout(cs->hw.hfc.addr \| 1, cs->hw.hfc.cirm);
	319	byteout(cs->hw.hfc.addr \| 1, cs->hw.hfc.ctmt);
	320
	321	printk(KERN_INFO "TeleInt: defined at 0x%x IRQ %d\n",
475be4d8	322	cs->hw.hfc.addr, cs->irq);
1da177e4 LT	323
	324	setup_isac(cs);
	325	cs->readisac = &ReadISAC;
	326	cs->writeisac = &WriteISAC;
	327	cs->readisacfifo = &ReadISACfifo;
	328	cs->writeisacfifo = &WriteISACfifo;
	329	cs->BC_Read_Reg = &ReadHFC;
	330	cs->BC_Write_Reg = &WriteHFC;
	331	cs->cardmsg = &TeleInt_card_msg;
	332	cs->irq_func = &TeleInt_interrupt;
	333	ISACVersion(cs, "TeleInt:");
	334	return (1);
	335	}