[net-next-2.6.git] / drivers / isdn / hisax / bkm_a4t.c

/* $Id: bkm_a4t.c,v 1.22.2.4 2004/01/14 16:04:48 keil Exp $
 *
 * low level stuff for T-Berkom A4T
 *
 * Author       Roland Klabunde
 * Copyright    by Roland Klabunde   <R.Klabunde@Berkom.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 "hscx.h"
#include "jade.h"
#include "isdnl1.h"
#include <linux/pci.h>
#include "bkm_ax.h"

extern const char *CardType[];

static const char *bkm_a4t_revision = "$Revision: 1.22.2.4 $";


static inline u_char
readreg(unsigned int ale, unsigned long adr, u_char off)
{
	register u_int ret;
	unsigned int *po = (unsigned int *) adr;	/* Postoffice */

	*po = (GCS_2 | PO_WRITE | off);
	__WAITI20__(po);
	*po = (ale | PO_READ);
	__WAITI20__(po);
	ret = *po;
	return ((unsigned char) ret);
}


static inline void
readfifo(unsigned int ale, unsigned long adr, u_char off, u_char * data, int size)
{
	int i;
	for (i = 0; i < size; i++)
		*data++ = readreg(ale, adr, off);
}


static inline void
writereg(unsigned int ale, unsigned long adr, u_char off, u_char data)
{
	unsigned int *po = (unsigned int *) adr;	/* Postoffice */
	*po = (GCS_2 | PO_WRITE | off);
	__WAITI20__(po);
	*po = (ale | PO_WRITE | data);
	__WAITI20__(po);
}


static inline void
writefifo(unsigned int ale, unsigned long adr, u_char off, u_char * data, int size)
{
	int i;

	for (i = 0; i < size; i++)
		writereg(ale, adr, off, *data++);
}


/* Interface functions */

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

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

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

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

static u_char
ReadJADE(struct IsdnCardState *cs, int jade, u_char offset)
{
	return (readreg(cs->hw.ax.jade_ale, cs->hw.ax.jade_adr, offset + (jade == -1 ? 0 : (jade ? 0xC0 : 0x80))));
}

static void
WriteJADE(struct IsdnCardState *cs, int jade, u_char offset, u_char value)
{
	writereg(cs->hw.ax.jade_ale, cs->hw.ax.jade_adr, offset + (jade == -1 ? 0 : (jade ? 0xC0 : 0x80)), value);
}

/*
 * fast interrupt JADE stuff goes here
 */

#define READJADE(cs, nr, reg) readreg(cs->hw.ax.jade_ale,\
 		cs->hw.ax.jade_adr, reg + (nr == -1 ? 0 : (nr ? 0xC0 : 0x80)))
#define WRITEJADE(cs, nr, reg, data) writereg(cs->hw.ax.jade_ale,\
 		cs->hw.ax.jade_adr, reg + (nr == -1 ? 0 : (nr ? 0xC0 : 0x80)), data)

#define READJADEFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.ax.jade_ale,\
		cs->hw.ax.jade_adr, (nr == -1 ? 0 : (nr ? 0xC0 : 0x80)), ptr, cnt)
#define WRITEJADEFIFO(cs, nr, ptr, cnt) writefifo( cs->hw.ax.jade_ale,\
		cs->hw.ax.jade_adr, (nr == -1 ? 0 : (nr ? 0xC0 : 0x80)), ptr, cnt)

#include "jade_irq.c"

static irqreturn_t
bkm_interrupt(int intno, void *dev_id)
{
	struct IsdnCardState *cs = dev_id;
	u_char val = 0;
	u_long flags;
	I20_REGISTER_FILE *pI20_Regs;

	spin_lock_irqsave(&cs->lock, flags);
	pI20_Regs = (I20_REGISTER_FILE *) (cs->hw.ax.base);

	/* ISDN interrupt pending? */
	if (pI20_Regs->i20IntStatus & intISDN) {
		/* Reset the ISDN interrupt     */
		pI20_Regs->i20IntStatus = intISDN;
		/* Disable ISDN interrupt */
		pI20_Regs->i20IntCtrl &= ~intISDN;
		/* Channel A first */
		val = readreg(cs->hw.ax.jade_ale, cs->hw.ax.jade_adr, jade_HDLC_ISR + 0x80);
		if (val) {
			jade_int_main(cs, val, 0);
		}
		/* Channel B  */
		val = readreg(cs->hw.ax.jade_ale, cs->hw.ax.jade_adr, jade_HDLC_ISR + 0xC0);
		if (val) {
			jade_int_main(cs, val, 1);
		}
		/* D-Channel */
		val = readreg(cs->hw.ax.isac_ale, cs->hw.ax.isac_adr, ISAC_ISTA);
		if (val) {
			isac_interrupt(cs, val);
		}
		/* Reenable ISDN interrupt */
		pI20_Regs->i20IntCtrl |= intISDN;
		spin_unlock_irqrestore(&cs->lock, flags);
		return IRQ_HANDLED;
	} else {
		spin_unlock_irqrestore(&cs->lock, flags);
		return IRQ_NONE;
	}
}

static void
release_io_bkm(struct IsdnCardState *cs)
{
	if (cs->hw.ax.base) {
		iounmap((void *) cs->hw.ax.base);
		cs->hw.ax.base = 0;
	}
}

static void
enable_bkm_int(struct IsdnCardState *cs, unsigned bEnable)
{
	if (cs->typ == ISDN_CTYPE_BKM_A4T) {
		I20_REGISTER_FILE *pI20_Regs = (I20_REGISTER_FILE *) (cs->hw.ax.base);
		if (bEnable)
			pI20_Regs->i20IntCtrl |= (intISDN | intPCI);
		else
			/* CAUTION: This disables the video capture driver too */
			pI20_Regs->i20IntCtrl &= ~(intISDN | intPCI);
	}
}

static void
reset_bkm(struct IsdnCardState *cs)
{
	if (cs->typ == ISDN_CTYPE_BKM_A4T) {
		I20_REGISTER_FILE *pI20_Regs = (I20_REGISTER_FILE *) (cs->hw.ax.base);
		/* Issue the I20 soft reset     */
		pI20_Regs->i20SysControl = 0xFF;	/* all in */
		mdelay(10);
		/* Remove the soft reset */
		pI20_Regs->i20SysControl = sysRESET | 0xFF;
		mdelay(10);
		/* Set our configuration */
		pI20_Regs->i20SysControl = sysRESET | sysCFG;
		/* Issue ISDN reset     */
		pI20_Regs->i20GuestControl = guestWAIT_CFG |
		    g_A4T_JADE_RES |
		    g_A4T_ISAR_RES |
		    g_A4T_ISAC_RES |
		    g_A4T_JADE_BOOTR |
		    g_A4T_ISAR_BOOTR;
		mdelay(10);

		/* Remove RESET state from ISDN */
		pI20_Regs->i20GuestControl &= ~(g_A4T_ISAC_RES |
						g_A4T_JADE_RES |
						g_A4T_ISAR_RES);
		mdelay(10);
	}
}

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

	switch (mt) {
		case CARD_RESET:
			/* Disable ints */
			spin_lock_irqsave(&cs->lock, flags);
			enable_bkm_int(cs, 0);
			reset_bkm(cs);
			spin_unlock_irqrestore(&cs->lock, flags);
			return (0);
		case CARD_RELEASE:
			/* Sanity */
			spin_lock_irqsave(&cs->lock, flags);
			enable_bkm_int(cs, 0);
			reset_bkm(cs);
			spin_unlock_irqrestore(&cs->lock, flags);
			release_io_bkm(cs);
			return (0);
		case CARD_INIT:
			spin_lock_irqsave(&cs->lock, flags);
			clear_pending_isac_ints(cs);
			clear_pending_jade_ints(cs);
			initisac(cs);
			initjade(cs);
			/* Enable ints */
			enable_bkm_int(cs, 1);
			spin_unlock_irqrestore(&cs->lock, flags);
			return (0);
		case CARD_TEST:
			return (0);
	}
	return (0);
}

static struct pci_dev *dev_a4t __devinitdata = NULL;

int __devinit
setup_bkm_a4t(struct IsdnCard *card)
{
	struct IsdnCardState *cs = card->cs;
	char tmp[64];
	u_int pci_memaddr = 0, found = 0;
	I20_REGISTER_FILE *pI20_Regs;
#ifdef CONFIG_PCI
#endif

	strcpy(tmp, bkm_a4t_revision);
	printk(KERN_INFO "HiSax: T-Berkom driver Rev. %s\n", HiSax_getrev(tmp));
	if (cs->typ == ISDN_CTYPE_BKM_A4T) {
		cs->subtyp = BKM_A4T;
	} else
		return (0);

#ifdef CONFIG_PCI
	while ((dev_a4t = pci_find_device(PCI_VENDOR_ID_ZORAN,
		PCI_DEVICE_ID_ZORAN_36120, dev_a4t))) {
		u16 sub_sys;
		u16 sub_vendor;

		sub_vendor = dev_a4t->subsystem_vendor;
		sub_sys = dev_a4t->subsystem_device;
		if ((sub_sys == PCI_DEVICE_ID_BERKOM_A4T) && (sub_vendor == PCI_VENDOR_ID_BERKOM)) {
			if (pci_enable_device(dev_a4t))
				return(0);
			found = 1;
			pci_memaddr = pci_resource_start(dev_a4t, 0);
			cs->irq = dev_a4t->irq;
			break;
		}
	}
	if (!found) {
		printk(KERN_WARNING "HiSax: %s: Card not found\n", CardType[card->typ]);
		return (0);
	}
	if (!cs->irq) {		/* IRQ range check ?? */
		printk(KERN_WARNING "HiSax: %s: No IRQ\n", CardType[card->typ]);
		return (0);
	}
	if (!pci_memaddr) {
		printk(KERN_WARNING "HiSax: %s: No Memory base address\n", CardType[card->typ]);
		return (0);
	}
	cs->hw.ax.base = (long) ioremap(pci_memaddr, 4096);
	/* Check suspecious address */
	pI20_Regs = (I20_REGISTER_FILE *) (cs->hw.ax.base);
	if ((pI20_Regs->i20IntStatus & 0x8EFFFFFF) != 0) {
		printk(KERN_WARNING "HiSax: %s address %lx-%lx suspecious\n",
		       CardType[card->typ], cs->hw.ax.base, cs->hw.ax.base + 4096);
		iounmap((void *) cs->hw.ax.base);
		cs->hw.ax.base = 0;
		return (0);
	}
	cs->hw.ax.isac_adr = cs->hw.ax.base + PO_OFFSET;
	cs->hw.ax.jade_adr = cs->hw.ax.base + PO_OFFSET;
	cs->hw.ax.isac_ale = GCS_1;
	cs->hw.ax.jade_ale = GCS_3;
#else
	printk(KERN_WARNING "HiSax: %s: NO_PCI_BIOS\n", CardType[card->typ]);
	printk(KERN_WARNING "HiSax: %s: unable to configure\n", CardType[card->typ]);
	return (0);
#endif				/* CONFIG_PCI */
	printk(KERN_INFO "HiSax: %s: Card configured at 0x%lX IRQ %d\n",
	       CardType[card->typ], cs->hw.ax.base, cs->irq);

	setup_isac(cs);
	cs->readisac = &ReadISAC;
	cs->writeisac = &WriteISAC;
	cs->readisacfifo = &ReadISACfifo;
	cs->writeisacfifo = &WriteISACfifo;
	cs->BC_Read_Reg = &ReadJADE;
	cs->BC_Write_Reg = &WriteJADE;
	cs->BC_Send_Data = &jade_fill_fifo;
	cs->cardmsg = &BKM_card_msg;
	cs->irq_func = &bkm_interrupt;
	cs->irq_flags |= IRQF_SHARED;
	ISACVersion(cs, "Telekom A4T:");
	/* Jade version */
	JadeVersion(cs, "Telekom A4T:");
	return (1);
}
Commit	Line	Data
1da177e4 LT	1	/* $Id: bkm_a4t.c,v 1.22.2.4 2004/01/14 16:04:48 keil Exp $
	2	*
	3	* low level stuff for T-Berkom A4T
	4	*
	5	* Author Roland Klabunde
	6	* Copyright by Roland Klabunde <R.Klabunde@Berkom.de>
	7	*
	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
1da177e4 LT	14	#include <linux/init.h>
	15	#include "hisax.h"
	16	#include "isac.h"
	17	#include "hscx.h"
	18	#include "jade.h"
	19	#include "isdnl1.h"
	20	#include <linux/pci.h>
	21	#include "bkm_ax.h"
	22
	23	extern const char *CardType[];
	24
672c3fd9	25	static const char *bkm_a4t_revision = "$Revision: 1.22.2.4 $";
1da177e4 LT	26
	27
	28	static inline u_char
	29	readreg(unsigned int ale, unsigned long adr, u_char off)
	30	{
	31	register u_int ret;
	32	unsigned int po = (unsigned int ) adr; /* Postoffice */
	33
	34	*po = (GCS_2 \| PO_WRITE \| off);
	35	__WAITI20__(po);
	36	*po = (ale \| PO_READ);
	37	__WAITI20__(po);
	38	ret = *po;
	39	return ((unsigned char) ret);
	40	}
	41
	42
	43	static inline void
	44	readfifo(unsigned int ale, unsigned long adr, u_char off, u_char * data, int size)
	45	{
	46	int i;
	47	for (i = 0; i < size; i++)
	48	*data++ = readreg(ale, adr, off);
	49	}
	50
	51
	52	static inline void
	53	writereg(unsigned int ale, unsigned long adr, u_char off, u_char data)
	54	{
	55	unsigned int po = (unsigned int ) adr; /* Postoffice */
	56	*po = (GCS_2 \| PO_WRITE \| off);
	57	__WAITI20__(po);
	58	*po = (ale \| PO_WRITE \| data);
	59	__WAITI20__(po);
	60	}
	61
	62
	63	static inline void
	64	writefifo(unsigned int ale, unsigned long adr, u_char off, u_char * data, int size)
	65	{
	66	int i;
	67
	68	for (i = 0; i < size; i++)
	69	writereg(ale, adr, off, *data++);
	70	}
	71
	72
	73	/* Interface functions */
	74
	75	static u_char
	76	ReadISAC(struct IsdnCardState *cs, u_char offset)
	77	{
	78	return (readreg(cs->hw.ax.isac_ale, cs->hw.ax.isac_adr, offset));
	79	}
	80
	81	static void
	82	WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
	83	{
	84	writereg(cs->hw.ax.isac_ale, cs->hw.ax.isac_adr, offset, value);
	85	}
	86
	87	static void
	88	ReadISACfifo(struct IsdnCardState cs, u_char data, int size)
	89	{
90	readfifo(cs->hw.ax.isac_ale, cs->hw.ax.isac_adr, 0, data, size);
91	}
92
93	static void
94	WriteISACfifo(struct IsdnCardState cs, u_char data, int size)
95	{
96	writefifo(cs->hw.ax.isac_ale, cs->hw.ax.isac_adr, 0, data, size);
97	}
98
99	static u_char
100	ReadJADE(struct IsdnCardState *cs, int jade, u_char offset)
101	{
102	return (readreg(cs->hw.ax.jade_ale, cs->hw.ax.jade_adr, offset + (jade == -1 ? 0 : (jade ? 0xC0 : 0x80))));
103	}
104
105	static void
106	WriteJADE(struct IsdnCardState *cs, int jade, u_char offset, u_char value)
107	{
108	writereg(cs->hw.ax.jade_ale, cs->hw.ax.jade_adr, offset + (jade == -1 ? 0 : (jade ? 0xC0 : 0x80)), value);
109	}
110
111	/*
112	* fast interrupt JADE stuff goes here
113	*/
114
115	#define READJADE(cs, nr, reg) readreg(cs->hw.ax.jade_ale,\
116	cs->hw.ax.jade_adr, reg + (nr == -1 ? 0 : (nr ? 0xC0 : 0x80)))
117	#define WRITEJADE(cs, nr, reg, data) writereg(cs->hw.ax.jade_ale,\
118	cs->hw.ax.jade_adr, reg + (nr == -1 ? 0 : (nr ? 0xC0 : 0x80)), data)
119
120	#define READJADEFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.ax.jade_ale,\
121	cs->hw.ax.jade_adr, (nr == -1 ? 0 : (nr ? 0xC0 : 0x80)), ptr, cnt)
122	#define WRITEJADEFIFO(cs, nr, ptr, cnt) writefifo( cs->hw.ax.jade_ale,\
123	cs->hw.ax.jade_adr, (nr == -1 ? 0 : (nr ? 0xC0 : 0x80)), ptr, cnt)
124
125	#include "jade_irq.c"
126
127	static irqreturn_t
7d12e780	128	bkm_interrupt(int intno, void *dev_id)
1da177e4 LT	129	{
	130	struct IsdnCardState *cs = dev_id;
	131	u_char val = 0;
	132	u_long flags;
	133	I20_REGISTER_FILE *pI20_Regs;
	134
	135	spin_lock_irqsave(&cs->lock, flags);
	136	pI20_Regs = (I20_REGISTER_FILE *) (cs->hw.ax.base);
	137
	138	/* ISDN interrupt pending? */
	139	if (pI20_Regs->i20IntStatus & intISDN) {
	140	/* Reset the ISDN interrupt */
	141	pI20_Regs->i20IntStatus = intISDN;
	142	/* Disable ISDN interrupt */
	143	pI20_Regs->i20IntCtrl &= ~intISDN;
	144	/* Channel A first */
	145	val = readreg(cs->hw.ax.jade_ale, cs->hw.ax.jade_adr, jade_HDLC_ISR + 0x80);
	146	if (val) {
	147	jade_int_main(cs, val, 0);
	148	}
	149	/* Channel B */
	150	val = readreg(cs->hw.ax.jade_ale, cs->hw.ax.jade_adr, jade_HDLC_ISR + 0xC0);
	151	if (val) {
	152	jade_int_main(cs, val, 1);
	153	}
	154	/* D-Channel */
	155	val = readreg(cs->hw.ax.isac_ale, cs->hw.ax.isac_adr, ISAC_ISTA);
	156	if (val) {
	157	isac_interrupt(cs, val);
	158	}
	159	/* Reenable ISDN interrupt */
	160	pI20_Regs->i20IntCtrl \|= intISDN;
	161	spin_unlock_irqrestore(&cs->lock, flags);
	162	return IRQ_HANDLED;
	163	} else {
	164	spin_unlock_irqrestore(&cs->lock, flags);
	165	return IRQ_NONE;
	166	}
	167	}
	168
672c3fd9	169	static void
1da177e4 LT	170	release_io_bkm(struct IsdnCardState *cs)
	171	{
	172	if (cs->hw.ax.base) {
	173	iounmap((void *) cs->hw.ax.base);
	174	cs->hw.ax.base = 0;
	175	}
	176	}
	177
	178	static void
	179	enable_bkm_int(struct IsdnCardState *cs, unsigned bEnable)
	180	{
	181	if (cs->typ == ISDN_CTYPE_BKM_A4T) {
	182	I20_REGISTER_FILE pI20_Regs = (I20_REGISTER_FILE ) (cs->hw.ax.base);
	183	if (bEnable)
	184	pI20_Regs->i20IntCtrl \|= (intISDN \| intPCI);
	185	else
	186	/* CAUTION: This disables the video capture driver too */
	187	pI20_Regs->i20IntCtrl &= ~(intISDN \| intPCI);
	188	}
	189	}
	190
	191	static void
	192	reset_bkm(struct IsdnCardState *cs)
	193	{
	194	if (cs->typ == ISDN_CTYPE_BKM_A4T) {
	195	I20_REGISTER_FILE pI20_Regs = (I20_REGISTER_FILE ) (cs->hw.ax.base);
	196	/* Issue the I20 soft reset */
	197	pI20_Regs->i20SysControl = 0xFF; /* all in */
	198	mdelay(10);
	199	/* Remove the soft reset */
	200	pI20_Regs->i20SysControl = sysRESET \| 0xFF;
	201	mdelay(10);
	202	/* Set our configuration */
	203	pI20_Regs->i20SysControl = sysRESET \| sysCFG;
	204	/* Issue ISDN reset */
	205	pI20_Regs->i20GuestControl = guestWAIT_CFG \|
	206	g_A4T_JADE_RES \|
	207	g_A4T_ISAR_RES \|
	208	g_A4T_ISAC_RES \|
	209	g_A4T_JADE_BOOTR \|
	210	g_A4T_ISAR_BOOTR;
	211	mdelay(10);
	212
	213	/* Remove RESET state from ISDN */
	214	pI20_Regs->i20GuestControl &= ~(g_A4T_ISAC_RES \|
	215	g_A4T_JADE_RES \|
	216	g_A4T_ISAR_RES);
	217	mdelay(10);
	218	}
	219	}
	220
	221	static int
	222	BKM_card_msg(struct IsdnCardState cs, int mt, void arg)
	223	{
	224	u_long flags;
	225
	226	switch (mt) {
	227	case CARD_RESET:
	228	/* Disable ints */
	229	spin_lock_irqsave(&cs->lock, flags);
	230	enable_bkm_int(cs, 0);
	231	reset_bkm(cs);
	232	spin_unlock_irqrestore(&cs->lock, flags);
	233	return (0);
234	case CARD_RELEASE:
235	/* Sanity */
236	spin_lock_irqsave(&cs->lock, flags);
237	enable_bkm_int(cs, 0);
238	reset_bkm(cs);
239	spin_unlock_irqrestore(&cs->lock, flags);
240	release_io_bkm(cs);
241	return (0);
242	case CARD_INIT:
243	spin_lock_irqsave(&cs->lock, flags);
244	clear_pending_isac_ints(cs);
245	clear_pending_jade_ints(cs);
246	initisac(cs);
247	initjade(cs);
248	/* Enable ints */
249	enable_bkm_int(cs, 1);
250	spin_unlock_irqrestore(&cs->lock, flags);
251	return (0);
252	case CARD_TEST:
253	return (0);
254	}
255	return (0);
256	}
257
67eb5db5	258	static struct pci_dev *dev_a4t __devinitdata = NULL;
1da177e4	259
67eb5db5	260	int __devinit
1da177e4 LT	261	setup_bkm_a4t(struct IsdnCard *card)
	262	{
	263	struct IsdnCardState *cs = card->cs;
	264	char tmp[64];
	265	u_int pci_memaddr = 0, found = 0;
	266	I20_REGISTER_FILE *pI20_Regs;
	267	#ifdef CONFIG_PCI
	268	#endif
	269
	270	strcpy(tmp, bkm_a4t_revision);
	271	printk(KERN_INFO "HiSax: T-Berkom driver Rev. %s\n", HiSax_getrev(tmp));
	272	if (cs->typ == ISDN_CTYPE_BKM_A4T) {
	273	cs->subtyp = BKM_A4T;
	274	} else
	275	return (0);
	276
	277	#ifdef CONFIG_PCI
	278	while ((dev_a4t = pci_find_device(PCI_VENDOR_ID_ZORAN,
	279	PCI_DEVICE_ID_ZORAN_36120, dev_a4t))) {
	280	u16 sub_sys;
	281	u16 sub_vendor;
	282
	283	sub_vendor = dev_a4t->subsystem_vendor;
	284	sub_sys = dev_a4t->subsystem_device;
	285	if ((sub_sys == PCI_DEVICE_ID_BERKOM_A4T) && (sub_vendor == PCI_VENDOR_ID_BERKOM)) {
	286	if (pci_enable_device(dev_a4t))
	287	return(0);
	288	found = 1;
	289	pci_memaddr = pci_resource_start(dev_a4t, 0);
	290	cs->irq = dev_a4t->irq;
	291	break;
	292	}
	293	}
	294	if (!found) {
	295	printk(KERN_WARNING "HiSax: %s: Card not found\n", CardType[card->typ]);
	296	return (0);
	297	}
	298	if (!cs->irq) { /* IRQ range check ?? */
	299	printk(KERN_WARNING "HiSax: %s: No IRQ\n", CardType[card->typ]);
	300	return (0);
	301	}
	302	if (!pci_memaddr) {
	303	printk(KERN_WARNING "HiSax: %s: No Memory base address\n", CardType[card->typ]);
	304	return (0);
	305	}
	306	cs->hw.ax.base = (long) ioremap(pci_memaddr, 4096);
	307	/* Check suspecious address */
	308	pI20_Regs = (I20_REGISTER_FILE *) (cs->hw.ax.base);
	309	if ((pI20_Regs->i20IntStatus & 0x8EFFFFFF) != 0) {
	310	printk(KERN_WARNING "HiSax: %s address %lx-%lx suspecious\n",
	311	CardType[card->typ], cs->hw.ax.base, cs->hw.ax.base + 4096);
	312	iounmap((void *) cs->hw.ax.base);
	313	cs->hw.ax.base = 0;
	314	return (0);
	315	}
	316	cs->hw.ax.isac_adr = cs->hw.ax.base + PO_OFFSET;
	317	cs->hw.ax.jade_adr = cs->hw.ax.base + PO_OFFSET;
	318	cs->hw.ax.isac_ale = GCS_1;
	319	cs->hw.ax.jade_ale = GCS_3;
	320	#else
	321	printk(KERN_WARNING "HiSax: %s: NO_PCI_BIOS\n", CardType[card->typ]);
	322	printk(KERN_WARNING "HiSax: %s: unable to configure\n", CardType[card->typ]);
	323	return (0);
	324	#endif /* CONFIG_PCI */
325	printk(KERN_INFO "HiSax: %s: Card configured at 0x%lX IRQ %d\n",
326	CardType[card->typ], cs->hw.ax.base, cs->irq);
327
328	setup_isac(cs);
329	cs->readisac = &ReadISAC;
330	cs->writeisac = &WriteISAC;
331	cs->readisacfifo = &ReadISACfifo;
332	cs->writeisacfifo = &WriteISACfifo;
333	cs->BC_Read_Reg = &ReadJADE;
334	cs->BC_Write_Reg = &WriteJADE;
335	cs->BC_Send_Data = &jade_fill_fifo;
336	cs->cardmsg = &BKM_card_msg;
337	cs->irq_func = &bkm_interrupt;
9ba02bec	338	cs->irq_flags \|= IRQF_SHARED;
1da177e4 LT	339	ISACVersion(cs, "Telekom A4T:");
	340	/* Jade version */
	341	JadeVersion(cs, "Telekom A4T:");
	342	return (1);
	343	}