drivers/isdn/hisax/ix1_micro.c - kernel/bruno - Git at Google

 /* $Id: ix1_micro.c,v 2.12.2.4 2004/01/13 23:48:39 keil Exp $
  *
  * low level stuff for ITK ix1-micro Rev.2 isdn cards
  * derived from the original file teles3.c from Karsten Keil
  *
  * Author       Klaus-Peter Nischke
  * Copyright    by Klaus-Peter Nischke, ITK AG
  *                                   <klaus@nischke.do.eunet.de>
  *              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.
  *
  * Klaus-Peter Nischke
  * Deusener Str. 287
  * 44369 Dortmund
  * Germany
  */

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

 static const char *ix1_revision = "$Revision: 2.12.2.4 $";

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

 #define SPECIAL_PORT_OFFSET 3

 #define ISAC_COMMAND_OFFSET 2
 #define ISAC_DATA_OFFSET 0
 #define HSCX_COMMAND_OFFSET 2
 #define HSCX_DATA_OFFSET 1

 #define TIMEOUT 50

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

 	byteout(ale, off);
 	ret = bytein(adr);
 	return (ret);
 }

 static inline void
 readfifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size)
 {
 	byteout(ale, off);
 	insb(adr, data, size);
 }


 static inline void
 writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
 {
 	byteout(ale, off);
 	byteout(adr, data);
 }

 static inline void
 writefifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size)
 {
 	byteout(ale, off);
 	outsb(adr, data, size);
 }

 /* Interface functions */

 static u_char
 ReadISAC(struct IsdnCardState *cs, u_char offset)
 {
 	return (readreg(cs->hw.ix1.isac_ale, cs->hw.ix1.isac, offset));
 }

 static void
 WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
 {
 	writereg(cs->hw.ix1.isac_ale, cs->hw.ix1.isac, offset, value);
 }

 static void
 ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size)
 {
 	readfifo(cs->hw.ix1.isac_ale, cs->hw.ix1.isac, 0, data, size);
 }

 static void
 WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size)
 {
 	writefifo(cs->hw.ix1.isac_ale, cs->hw.ix1.isac, 0, data, size);
 }

 static u_char
 ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
 {
 	return (readreg(cs->hw.ix1.hscx_ale,
 			cs->hw.ix1.hscx, offset + (hscx ? 0x40 : 0)));
 }

 static void
 WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
 {
 	writereg(cs->hw.ix1.hscx_ale,
 		 cs->hw.ix1.hscx, offset + (hscx ? 0x40 : 0), value);
 }

 #define READHSCX(cs, nr, reg) readreg(cs->hw.ix1.hscx_ale,		\
 				      cs->hw.ix1.hscx, reg + (nr ? 0x40 : 0))
 #define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.ix1.hscx_ale,	\
 					      cs->hw.ix1.hscx, reg + (nr ? 0x40 : 0), data)

 #define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.ix1.hscx_ale,	\
 						cs->hw.ix1.hscx, (nr ? 0x40 : 0), ptr, cnt)

 #define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.ix1.hscx_ale,	\
 						  cs->hw.ix1.hscx, (nr ? 0x40 : 0), ptr, cnt)

 #include "hscx_irq.c"

 static irqreturn_t
 ix1micro_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.ix1.hscx_ale, cs->hw.ix1.hscx, HSCX_ISTA + 0x40);
 Start_HSCX:
 	if (val)
 		hscx_int_main(cs, val);
 	val = readreg(cs->hw.ix1.isac_ale, cs->hw.ix1.isac, ISAC_ISTA);
 Start_ISAC:
 	if (val)
 		isac_interrupt(cs, val);
 	val = readreg(cs->hw.ix1.hscx_ale, cs->hw.ix1.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.ix1.isac_ale, cs->hw.ix1.isac, ISAC_ISTA);
 	if (val) {
 		if (cs->debug & L1_DEB_ISAC)
 			debugl1(cs, "ISAC IntStat after IntRoutine");
 		goto Start_ISAC;
 	}
 	writereg(cs->hw.ix1.hscx_ale, cs->hw.ix1.hscx, HSCX_MASK, 0xFF);
 	writereg(cs->hw.ix1.hscx_ale, cs->hw.ix1.hscx, HSCX_MASK + 0x40, 0xFF);
 	writereg(cs->hw.ix1.isac_ale, cs->hw.ix1.isac, ISAC_MASK, 0xFF);
 	writereg(cs->hw.ix1.isac_ale, cs->hw.ix1.isac, ISAC_MASK, 0);
 	writereg(cs->hw.ix1.hscx_ale, cs->hw.ix1.hscx, HSCX_MASK, 0);
 	writereg(cs->hw.ix1.hscx_ale, cs->hw.ix1.hscx, HSCX_MASK + 0x40, 0);
 	spin_unlock_irqrestore(&cs->lock, flags);
 	return IRQ_HANDLED;
 }

 static void
 release_io_ix1micro(struct IsdnCardState *cs)
 {
 	if (cs->hw.ix1.cfg_reg)
 		release_region(cs->hw.ix1.cfg_reg, 4);
 }

 static void
 ix1_reset(struct IsdnCardState *cs)
 {
 	int cnt;

 	/* reset isac */
 	cnt = 3 * (HZ / 10) + 1;
 	while (cnt--) {
 		byteout(cs->hw.ix1.cfg_reg + SPECIAL_PORT_OFFSET, 1);
 		HZDELAY(1);	/* wait >=10 ms */
 	}
 	byteout(cs->hw.ix1.cfg_reg + SPECIAL_PORT_OFFSET, 0);
 }

 static int
 ix1_card_msg(struct IsdnCardState *cs, int mt, void *arg)
 {
 	u_long flags;

 	switch (mt) {
 	case CARD_RESET:
 		spin_lock_irqsave(&cs->lock, flags);
 		ix1_reset(cs);
 		spin_unlock_irqrestore(&cs->lock, flags);
 		return (0);
 	case CARD_RELEASE:
 		release_io_ix1micro(cs);
 		return (0);
 	case CARD_INIT:
 		spin_lock_irqsave(&cs->lock, flags);
 		ix1_reset(cs);
 		inithscxisac(cs, 3);
 		spin_unlock_irqrestore(&cs->lock, flags);
 		return (0);
 	case CARD_TEST:
 		return (0);
 	}
 	return (0);
 }

 #ifdef __ISAPNP__
 static struct isapnp_device_id itk_ids[] = {
 	{ ISAPNP_VENDOR('I', 'T', 'K'), ISAPNP_FUNCTION(0x25),
 	  ISAPNP_VENDOR('I', 'T', 'K'), ISAPNP_FUNCTION(0x25),
 	  (unsigned long) "ITK micro 2" },
 	{ ISAPNP_VENDOR('I', 'T', 'K'), ISAPNP_FUNCTION(0x29),
 	  ISAPNP_VENDOR('I', 'T', 'K'), ISAPNP_FUNCTION(0x29),
 	  (unsigned long) "ITK micro 2." },
 	{ 0, }
 };

 static struct isapnp_device_id *ipid = &itk_ids[0];
 static struct pnp_card *pnp_c = NULL;
 #endif


 int setup_ix1micro(struct IsdnCard *card)
 {
 	struct IsdnCardState *cs = card->cs;
 	char tmp[64];

 	strcpy(tmp, ix1_revision);
 	printk(KERN_INFO "HiSax: ITK IX1 driver Rev. %s\n", HiSax_getrev(tmp));
 	if (cs->typ != ISDN_CTYPE_IX1MICROR2)
 		return (0);

 #ifdef __ISAPNP__
 	if (!card->para[1] && isapnp_present()) {
 		struct pnp_dev *pnp_d;
 		while (ipid->card_vendor) {
 			if ((pnp_c = pnp_find_card(ipid->card_vendor,
 						   ipid->card_device, pnp_c))) {
 				pnp_d = NULL;
 				if ((pnp_d = pnp_find_dev(pnp_c,
 							  ipid->vendor, ipid->function, pnp_d))) {
 					int err;

 					printk(KERN_INFO "HiSax: %s detected\n",
 					       (char *)ipid->driver_data);
 					pnp_disable_dev(pnp_d);
 					err = pnp_activate_dev(pnp_d);
 					if (err < 0) {
 						printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
 						       __func__, err);
 						return (0);
 					}
 					card->para[1] = pnp_port_start(pnp_d, 0);
 					card->para[0] = pnp_irq(pnp_d, 0);
 					if (!card->para[0] || !card->para[1]) {
 						printk(KERN_ERR "ITK PnP:some resources are missing %ld/%lx\n",
 						       card->para[0], card->para[1]);
 						pnp_disable_dev(pnp_d);
 						return (0);
 					}
 					break;
 				} else {
 					printk(KERN_ERR "ITK PnP: PnP error card found, no device\n");
 				}
 			}
 			ipid++;
 			pnp_c = NULL;
 		}
 		if (!ipid->card_vendor) {
 			printk(KERN_INFO "ITK PnP: no ISAPnP card found\n");
 			return (0);
 		}
 	}
 #endif
 	/* IO-Ports */
 	cs->hw.ix1.isac_ale = card->para[1] + ISAC_COMMAND_OFFSET;
 	cs->hw.ix1.hscx_ale = card->para[1] + HSCX_COMMAND_OFFSET;
 	cs->hw.ix1.isac = card->para[1] + ISAC_DATA_OFFSET;
 	cs->hw.ix1.hscx = card->para[1] + HSCX_DATA_OFFSET;
 	cs->hw.ix1.cfg_reg = card->para[1];
 	cs->irq = card->para[0];
 	if (cs->hw.ix1.cfg_reg) {
 		if (!request_region(cs->hw.ix1.cfg_reg, 4, "ix1micro cfg")) {
 			printk(KERN_WARNING
 			       "HiSax: ITK ix1-micro Rev.2 config port "
 			       "%x-%x already in use\n",
 			       cs->hw.ix1.cfg_reg,
 			       cs->hw.ix1.cfg_reg + 4);
 			return (0);
 		}
 	}
 	printk(KERN_INFO "HiSax: ITK ix1-micro Rev.2 config irq:%d io:0x%X\n",
 	       cs->irq, cs->hw.ix1.cfg_reg);
 	setup_isac(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 = &ix1_card_msg;
 	cs->irq_func = &ix1micro_interrupt;
 	ISACVersion(cs, "ix1-Micro:");
 	if (HscxVersion(cs, "ix1-Micro:")) {
 		printk(KERN_WARNING
 		       "ix1-Micro: wrong HSCX versions check IO address\n");
 		release_io_ix1micro(cs);
 		return (0);
 	}
 	return (1);
 }
	/* $Id: ix1_micro.c,v 2.12.2.4 2004/01/13 23:48:39 keil Exp $
	*
	* low level stuff for ITK ix1-micro Rev.2 isdn cards
	* derived from the original file teles3.c from Karsten Keil
	*
	* Author Klaus-Peter Nischke
	* Copyright by Klaus-Peter Nischke, ITK AG
	* <klaus@nischke.do.eunet.de>
	* 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.
	*
	* Klaus-Peter Nischke
	* Deusener Str. 287
	* 44369 Dortmund
	* Germany
	*/

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

	static const char *ix1_revision = "$Revision: 2.12.2.4 $";

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

	#define SPECIAL_PORT_OFFSET 3

	#define ISAC_COMMAND_OFFSET 2
	#define ISAC_DATA_OFFSET 0
	#define HSCX_COMMAND_OFFSET 2
	#define HSCX_DATA_OFFSET 1

	#define TIMEOUT 50

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

	byteout(ale, off);
	ret = bytein(adr);
	return (ret);
	}

	static inline void
	readfifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size)
	{
	byteout(ale, off);
	insb(adr, data, size);
	}


	static inline void
	writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
	{
	byteout(ale, off);
	byteout(adr, data);
	}

	static inline void
	writefifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size)
	{
	byteout(ale, off);
	outsb(adr, data, size);
	}

	/* Interface functions */

	static u_char
	ReadISAC(struct IsdnCardState *cs, u_char offset)
	{
	return (readreg(cs->hw.ix1.isac_ale, cs->hw.ix1.isac, offset));
	}

	static void
	WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
	{
	writereg(cs->hw.ix1.isac_ale, cs->hw.ix1.isac, offset, value);
	}

	static void
	ReadISACfifo(struct IsdnCardState cs, u_char data, int size)
	{
	readfifo(cs->hw.ix1.isac_ale, cs->hw.ix1.isac, 0, data, size);
	}

	static void
	WriteISACfifo(struct IsdnCardState cs, u_char data, int size)
	{
	writefifo(cs->hw.ix1.isac_ale, cs->hw.ix1.isac, 0, data, size);
	}

	static u_char
	ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
	{
	return (readreg(cs->hw.ix1.hscx_ale,
	cs->hw.ix1.hscx, offset + (hscx ? 0x40 : 0)));
	}

	static void
	WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
	{
	writereg(cs->hw.ix1.hscx_ale,
	cs->hw.ix1.hscx, offset + (hscx ? 0x40 : 0), value);
	}

	#define READHSCX(cs, nr, reg) readreg(cs->hw.ix1.hscx_ale, \
	cs->hw.ix1.hscx, reg + (nr ? 0x40 : 0))
	#define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.ix1.hscx_ale, \
	cs->hw.ix1.hscx, reg + (nr ? 0x40 : 0), data)

	#define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.ix1.hscx_ale, \
	cs->hw.ix1.hscx, (nr ? 0x40 : 0), ptr, cnt)

	#define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.ix1.hscx_ale, \
	cs->hw.ix1.hscx, (nr ? 0x40 : 0), ptr, cnt)

	#include "hscx_irq.c"

	static irqreturn_t
	ix1micro_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.ix1.hscx_ale, cs->hw.ix1.hscx, HSCX_ISTA + 0x40);
	Start_HSCX:
	if (val)
	hscx_int_main(cs, val);
	val = readreg(cs->hw.ix1.isac_ale, cs->hw.ix1.isac, ISAC_ISTA);
	Start_ISAC:
	if (val)
	isac_interrupt(cs, val);
	val = readreg(cs->hw.ix1.hscx_ale, cs->hw.ix1.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.ix1.isac_ale, cs->hw.ix1.isac, ISAC_ISTA);
	if (val) {
	if (cs->debug & L1_DEB_ISAC)
	debugl1(cs, "ISAC IntStat after IntRoutine");
	goto Start_ISAC;
	}
	writereg(cs->hw.ix1.hscx_ale, cs->hw.ix1.hscx, HSCX_MASK, 0xFF);
	writereg(cs->hw.ix1.hscx_ale, cs->hw.ix1.hscx, HSCX_MASK + 0x40, 0xFF);
	writereg(cs->hw.ix1.isac_ale, cs->hw.ix1.isac, ISAC_MASK, 0xFF);
	writereg(cs->hw.ix1.isac_ale, cs->hw.ix1.isac, ISAC_MASK, 0);
	writereg(cs->hw.ix1.hscx_ale, cs->hw.ix1.hscx, HSCX_MASK, 0);
	writereg(cs->hw.ix1.hscx_ale, cs->hw.ix1.hscx, HSCX_MASK + 0x40, 0);
	spin_unlock_irqrestore(&cs->lock, flags);
	return IRQ_HANDLED;
	}

	static void
	release_io_ix1micro(struct IsdnCardState *cs)
	{
	if (cs->hw.ix1.cfg_reg)
	release_region(cs->hw.ix1.cfg_reg, 4);
	}

	static void
	ix1_reset(struct IsdnCardState *cs)
	{
	int cnt;

	/* reset isac */
	cnt = 3 * (HZ / 10) + 1;
	while (cnt--) {
	byteout(cs->hw.ix1.cfg_reg + SPECIAL_PORT_OFFSET, 1);
	HZDELAY(1); /* wait >=10 ms */
	}
	byteout(cs->hw.ix1.cfg_reg + SPECIAL_PORT_OFFSET, 0);
	}

	static int
	ix1_card_msg(struct IsdnCardState cs, int mt, void arg)
	{
	u_long flags;

	switch (mt) {
	case CARD_RESET:
	spin_lock_irqsave(&cs->lock, flags);
	ix1_reset(cs);
	spin_unlock_irqrestore(&cs->lock, flags);
	return (0);
	case CARD_RELEASE:
	release_io_ix1micro(cs);
	return (0);
	case CARD_INIT:
	spin_lock_irqsave(&cs->lock, flags);
	ix1_reset(cs);
	inithscxisac(cs, 3);
	spin_unlock_irqrestore(&cs->lock, flags);
	return (0);
	case CARD_TEST:
	return (0);
	}
	return (0);
	}

	#ifdef __ISAPNP__
	static struct isapnp_device_id itk_ids[] = {
	{ ISAPNP_VENDOR('I', 'T', 'K'), ISAPNP_FUNCTION(0x25),
	ISAPNP_VENDOR('I', 'T', 'K'), ISAPNP_FUNCTION(0x25),
	(unsigned long) "ITK micro 2" },
	{ ISAPNP_VENDOR('I', 'T', 'K'), ISAPNP_FUNCTION(0x29),
	ISAPNP_VENDOR('I', 'T', 'K'), ISAPNP_FUNCTION(0x29),
	(unsigned long) "ITK micro 2." },
	{ 0, }
	};

	static struct isapnp_device_id *ipid = &itk_ids[0];
	static struct pnp_card *pnp_c = NULL;
	#endif


	int setup_ix1micro(struct IsdnCard *card)
	{
	struct IsdnCardState *cs = card->cs;
	char tmp[64];

	strcpy(tmp, ix1_revision);
	printk(KERN_INFO "HiSax: ITK IX1 driver Rev. %s\n", HiSax_getrev(tmp));
	if (cs->typ != ISDN_CTYPE_IX1MICROR2)
	return (0);

	#ifdef __ISAPNP__
	if (!card->para[1] && isapnp_present()) {
	struct pnp_dev *pnp_d;
	while (ipid->card_vendor) {
	if ((pnp_c = pnp_find_card(ipid->card_vendor,
	ipid->card_device, pnp_c))) {
	pnp_d = NULL;
	if ((pnp_d = pnp_find_dev(pnp_c,
	ipid->vendor, ipid->function, pnp_d))) {
	int err;

	printk(KERN_INFO "HiSax: %s detected\n",
	(char *)ipid->driver_data);
	pnp_disable_dev(pnp_d);
	err = pnp_activate_dev(pnp_d);
	if (err < 0) {
	printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
	__func__, err);
	return (0);
	}
	card->para[1] = pnp_port_start(pnp_d, 0);
	card->para[0] = pnp_irq(pnp_d, 0);
	if (!card->para[0] \|\| !card->para[1]) {
	printk(KERN_ERR "ITK PnP:some resources are missing %ld/%lx\n",
	card->para[0], card->para[1]);
	pnp_disable_dev(pnp_d);
	return (0);
	}
	break;
	} else {
	printk(KERN_ERR "ITK PnP: PnP error card found, no device\n");
	}
	}
	ipid++;
	pnp_c = NULL;
	}
	if (!ipid->card_vendor) {
	printk(KERN_INFO "ITK PnP: no ISAPnP card found\n");
	return (0);
	}
	}
	#endif
	/* IO-Ports */
	cs->hw.ix1.isac_ale = card->para[1] + ISAC_COMMAND_OFFSET;
	cs->hw.ix1.hscx_ale = card->para[1] + HSCX_COMMAND_OFFSET;
	cs->hw.ix1.isac = card->para[1] + ISAC_DATA_OFFSET;
	cs->hw.ix1.hscx = card->para[1] + HSCX_DATA_OFFSET;
	cs->hw.ix1.cfg_reg = card->para[1];
	cs->irq = card->para[0];
	if (cs->hw.ix1.cfg_reg) {
	if (!request_region(cs->hw.ix1.cfg_reg, 4, "ix1micro cfg")) {
	printk(KERN_WARNING
	"HiSax: ITK ix1-micro Rev.2 config port "
	"%x-%x already in use\n",
	cs->hw.ix1.cfg_reg,
	cs->hw.ix1.cfg_reg + 4);
	return (0);
	}
	}
	printk(KERN_INFO "HiSax: ITK ix1-micro Rev.2 config irq:%d io:0x%X\n",
	cs->irq, cs->hw.ix1.cfg_reg);
	setup_isac(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 = &ix1_card_msg;
	cs->irq_func = &ix1micro_interrupt;
	ISACVersion(cs, "ix1-Micro:");
	if (HscxVersion(cs, "ix1-Micro:")) {
	printk(KERN_WARNING
	"ix1-Micro: wrong HSCX versions check IO address\n");
	release_io_ix1micro(cs);
	return (0);
	}
	return (1);
	}