[linux-2.6-block.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"

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 int __devinit a4t_pci_probe(struct pci_dev *dev_a4t,
				   struct IsdnCardState *cs,
				   u_int *found,
				   u_int *pci_memaddr)
{
	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);	/* end loop & function */
		*found = 1;
		*pci_memaddr = pci_resource_start(dev_a4t, 0);
		cs->irq = dev_a4t->irq;
		return (1);		/* end loop */
	}

	return (-1);			/* continue looping */
}

static int __devinit a4t_cs_init(struct IsdnCard *card,
				 struct IsdnCardState *cs,
				 u_int pci_memaddr)
{
	I20_REGISTER_FILE *pI20_Regs;

	if (!cs->irq) {		/* IRQ range check ?? */
		printk(KERN_WARNING "HiSax: Telekom A4T: No IRQ\n");
		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: Telekom A4T address "
		       "%lx-%lx suspicious\n",
		       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;

	printk(KERN_INFO "HiSax: Telekom A4T: Card configured at "
	       "0x%lX IRQ %d\n",
	       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);
}

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;
	int ret;

	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);

	while ((dev_a4t = pci_find_device(PCI_VENDOR_ID_ZORAN,
		PCI_DEVICE_ID_ZORAN_36120, dev_a4t))) {
		ret = a4t_pci_probe(dev_a4t, cs, &found, &pci_memaddr);
		if (!ret)
			return (0);
		if (ret > 0)
			break;
	}
	if (!found) {
		printk(KERN_WARNING "HiSax: Telekom A4T: Card not found\n");
		return (0);
	}
	if (!pci_memaddr) {
		printk(KERN_WARNING "HiSax: Telekom A4T: "
		       "No Memory base address\n");
		return (0);
	}

	return a4t_cs_init(card, cs, pci_memaddr);
}
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
672c3fd9	23	static const char *bkm_a4t_revision = "$Revision: 1.22.2.4 $";
1da177e4 LT	24
	25
	26	static inline u_char
	27	readreg(unsigned int ale, unsigned long adr, u_char off)
	28	{
	29	register u_int ret;
	30	unsigned int po = (unsigned int ) adr; /* Postoffice */
	31
	32	*po = (GCS_2 \| PO_WRITE \| off);
	33	__WAITI20__(po);
	34	*po = (ale \| PO_READ);
	35	__WAITI20__(po);
	36	ret = *po;
	37	return ((unsigned char) ret);
	38	}
	39
	40
	41	static inline void
	42	readfifo(unsigned int ale, unsigned long adr, u_char off, u_char * data, int size)
	43	{
	44	int i;
	45	for (i = 0; i < size; i++)
	46	*data++ = readreg(ale, adr, off);
	47	}
	48
	49
	50	static inline void
	51	writereg(unsigned int ale, unsigned long adr, u_char off, u_char data)
	52	{
	53	unsigned int po = (unsigned int ) adr; /* Postoffice */
	54	*po = (GCS_2 \| PO_WRITE \| off);
	55	__WAITI20__(po);
	56	*po = (ale \| PO_WRITE \| data);
	57	__WAITI20__(po);
	58	}
	59
	60
	61	static inline void
	62	writefifo(unsigned int ale, unsigned long adr, u_char off, u_char * data, int size)
	63	{
	64	int i;
	65
	66	for (i = 0; i < size; i++)
	67	writereg(ale, adr, off, *data++);
	68	}
	69
	70
	71	/* Interface functions */
	72
	73	static u_char
	74	ReadISAC(struct IsdnCardState *cs, u_char offset)
	75	{
	76	return (readreg(cs->hw.ax.isac_ale, cs->hw.ax.isac_adr, offset));
	77	}
	78
	79	static void
	80	WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
	81	{
	82	writereg(cs->hw.ax.isac_ale, cs->hw.ax.isac_adr, offset, value);
	83	}
	84
	85	static void
	86	ReadISACfifo(struct IsdnCardState cs, u_char data, int size)
	87	{
88	readfifo(cs->hw.ax.isac_ale, cs->hw.ax.isac_adr, 0, data, size);
89	}
90
91	static void
92	WriteISACfifo(struct IsdnCardState cs, u_char data, int size)
93	{
94	writefifo(cs->hw.ax.isac_ale, cs->hw.ax.isac_adr, 0, data, size);
95	}
96
97	static u_char
98	ReadJADE(struct IsdnCardState *cs, int jade, u_char offset)
99	{
100	return (readreg(cs->hw.ax.jade_ale, cs->hw.ax.jade_adr, offset + (jade == -1 ? 0 : (jade ? 0xC0 : 0x80))));
101	}
102
103	static void
104	WriteJADE(struct IsdnCardState *cs, int jade, u_char offset, u_char value)
105	{
106	writereg(cs->hw.ax.jade_ale, cs->hw.ax.jade_adr, offset + (jade == -1 ? 0 : (jade ? 0xC0 : 0x80)), value);
107	}
108
109	/*
110	* fast interrupt JADE stuff goes here
111	*/
112
113	#define READJADE(cs, nr, reg) readreg(cs->hw.ax.jade_ale,\
114	cs->hw.ax.jade_adr, reg + (nr == -1 ? 0 : (nr ? 0xC0 : 0x80)))
115	#define WRITEJADE(cs, nr, reg, data) writereg(cs->hw.ax.jade_ale,\
116	cs->hw.ax.jade_adr, reg + (nr == -1 ? 0 : (nr ? 0xC0 : 0x80)), data)
117
118	#define READJADEFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.ax.jade_ale,\
119	cs->hw.ax.jade_adr, (nr == -1 ? 0 : (nr ? 0xC0 : 0x80)), ptr, cnt)
120	#define WRITEJADEFIFO(cs, nr, ptr, cnt) writefifo( cs->hw.ax.jade_ale,\
121	cs->hw.ax.jade_adr, (nr == -1 ? 0 : (nr ? 0xC0 : 0x80)), ptr, cnt)
122
123	#include "jade_irq.c"
124
125	static irqreturn_t
7d12e780	126	bkm_interrupt(int intno, void *dev_id)
1da177e4 LT	127	{
	128	struct IsdnCardState *cs = dev_id;
	129	u_char val = 0;
	130	u_long flags;
	131	I20_REGISTER_FILE *pI20_Regs;
	132
	133	spin_lock_irqsave(&cs->lock, flags);
	134	pI20_Regs = (I20_REGISTER_FILE *) (cs->hw.ax.base);
	135
	136	/* ISDN interrupt pending? */
	137	if (pI20_Regs->i20IntStatus & intISDN) {
	138	/* Reset the ISDN interrupt */
	139	pI20_Regs->i20IntStatus = intISDN;
	140	/* Disable ISDN interrupt */
	141	pI20_Regs->i20IntCtrl &= ~intISDN;
	142	/* Channel A first */
	143	val = readreg(cs->hw.ax.jade_ale, cs->hw.ax.jade_adr, jade_HDLC_ISR + 0x80);
	144	if (val) {
	145	jade_int_main(cs, val, 0);
	146	}
	147	/* Channel B */
	148	val = readreg(cs->hw.ax.jade_ale, cs->hw.ax.jade_adr, jade_HDLC_ISR + 0xC0);
	149	if (val) {
	150	jade_int_main(cs, val, 1);
	151	}
	152	/* D-Channel */
	153	val = readreg(cs->hw.ax.isac_ale, cs->hw.ax.isac_adr, ISAC_ISTA);
	154	if (val) {
	155	isac_interrupt(cs, val);
	156	}
	157	/* Reenable ISDN interrupt */
	158	pI20_Regs->i20IntCtrl \|= intISDN;
	159	spin_unlock_irqrestore(&cs->lock, flags);
	160	return IRQ_HANDLED;
	161	} else {
	162	spin_unlock_irqrestore(&cs->lock, flags);
	163	return IRQ_NONE;
	164	}
	165	}
	166
672c3fd9	167	static void
1da177e4 LT	168	release_io_bkm(struct IsdnCardState *cs)
	169	{
	170	if (cs->hw.ax.base) {
	171	iounmap((void *) cs->hw.ax.base);
	172	cs->hw.ax.base = 0;
	173	}
	174	}
	175
	176	static void
	177	enable_bkm_int(struct IsdnCardState *cs, unsigned bEnable)
	178	{
	179	if (cs->typ == ISDN_CTYPE_BKM_A4T) {
	180	I20_REGISTER_FILE pI20_Regs = (I20_REGISTER_FILE ) (cs->hw.ax.base);
	181	if (bEnable)
	182	pI20_Regs->i20IntCtrl \|= (intISDN \| intPCI);
	183	else
	184	/* CAUTION: This disables the video capture driver too */
	185	pI20_Regs->i20IntCtrl &= ~(intISDN \| intPCI);
	186	}
	187	}
	188
	189	static void
	190	reset_bkm(struct IsdnCardState *cs)
	191	{
	192	if (cs->typ == ISDN_CTYPE_BKM_A4T) {
	193	I20_REGISTER_FILE pI20_Regs = (I20_REGISTER_FILE ) (cs->hw.ax.base);
	194	/* Issue the I20 soft reset */
	195	pI20_Regs->i20SysControl = 0xFF; /* all in */
	196	mdelay(10);
	197	/* Remove the soft reset */
	198	pI20_Regs->i20SysControl = sysRESET \| 0xFF;
	199	mdelay(10);
	200	/* Set our configuration */
	201	pI20_Regs->i20SysControl = sysRESET \| sysCFG;
	202	/* Issue ISDN reset */
	203	pI20_Regs->i20GuestControl = guestWAIT_CFG \|
	204	g_A4T_JADE_RES \|
	205	g_A4T_ISAR_RES \|
	206	g_A4T_ISAC_RES \|
	207	g_A4T_JADE_BOOTR \|
	208	g_A4T_ISAR_BOOTR;
	209	mdelay(10);
	210
	211	/* Remove RESET state from ISDN */
	212	pI20_Regs->i20GuestControl &= ~(g_A4T_ISAC_RES \|
	213	g_A4T_JADE_RES \|
	214	g_A4T_ISAR_RES);
	215	mdelay(10);
	216	}
	217	}
	218
	219	static int
	220	BKM_card_msg(struct IsdnCardState cs, int mt, void arg)
	221	{
	222	u_long flags;
	223
	224	switch (mt) {
	225	case CARD_RESET:
	226	/* Disable ints */
	227	spin_lock_irqsave(&cs->lock, flags);
	228	enable_bkm_int(cs, 0);
	229	reset_bkm(cs);
	230	spin_unlock_irqrestore(&cs->lock, flags);
	231	return (0);
232	case CARD_RELEASE:
233	/* Sanity */
234	spin_lock_irqsave(&cs->lock, flags);
235	enable_bkm_int(cs, 0);
236	reset_bkm(cs);
237	spin_unlock_irqrestore(&cs->lock, flags);
238	release_io_bkm(cs);
239	return (0);
240	case CARD_INIT:
241	spin_lock_irqsave(&cs->lock, flags);
242	clear_pending_isac_ints(cs);
243	clear_pending_jade_ints(cs);
244	initisac(cs);
245	initjade(cs);
246	/* Enable ints */
247	enable_bkm_int(cs, 1);
248	spin_unlock_irqrestore(&cs->lock, flags);
249	return (0);
250	case CARD_TEST:
251	return (0);
252	}
253	return (0);
254	}
255
d825a492 JG	256	static int __devinit a4t_pci_probe(struct pci_dev *dev_a4t,
	257	struct IsdnCardState *cs,
	258	u_int *found,
	259	u_int *pci_memaddr)
	260	{
	261	u16 sub_sys;
	262	u16 sub_vendor;
	263
	264	sub_vendor = dev_a4t->subsystem_vendor;
	265	sub_sys = dev_a4t->subsystem_device;
	266	if ((sub_sys == PCI_DEVICE_ID_BERKOM_A4T) && (sub_vendor == PCI_VENDOR_ID_BERKOM)) {
	267	if (pci_enable_device(dev_a4t))
	268	return (0); /* end loop & function */
	269	*found = 1;
	270	*pci_memaddr = pci_resource_start(dev_a4t, 0);
	271	cs->irq = dev_a4t->irq;
	272	return (1); /* end loop */
	273	}
1da177e4	274
d825a492 JG	275	return (-1); /* continue looping */
	276	}
	277
	278	static int __devinit a4t_cs_init(struct IsdnCard *card,
	279	struct IsdnCardState *cs,
	280	u_int pci_memaddr)
1da177e4	281	{
1da177e4	282	I20_REGISTER_FILE *pI20_Regs;
1da177e4	283
1da177e4	284	if (!cs->irq) { /* IRQ range check ?? */
8349304d	285	printk(KERN_WARNING "HiSax: Telekom A4T: No IRQ\n");
1da177e4 LT	286	return (0);
1da177e4 LT	287	}
1da177e4 LT	288	cs->hw.ax.base = (long) ioremap(pci_memaddr, 4096);
	289	/* Check suspecious address */
	290	pI20_Regs = (I20_REGISTER_FILE *) (cs->hw.ax.base);
	291	if ((pI20_Regs->i20IntStatus & 0x8EFFFFFF) != 0) {
8349304d JG	292	printk(KERN_WARNING "HiSax: Telekom A4T address "
	293	"%lx-%lx suspicious\n",
	294	cs->hw.ax.base, cs->hw.ax.base + 4096);
1da177e4 LT	295	iounmap((void *) cs->hw.ax.base);
	296	cs->hw.ax.base = 0;
	297	return (0);
	298	}
	299	cs->hw.ax.isac_adr = cs->hw.ax.base + PO_OFFSET;
	300	cs->hw.ax.jade_adr = cs->hw.ax.base + PO_OFFSET;
	301	cs->hw.ax.isac_ale = GCS_1;
	302	cs->hw.ax.jade_ale = GCS_3;
d825a492	303
8349304d JG	304	printk(KERN_INFO "HiSax: Telekom A4T: Card configured at "
	305	"0x%lX IRQ %d\n",
	306	cs->hw.ax.base, cs->irq);
1da177e4 LT	307
	308	setup_isac(cs);
	309	cs->readisac = &ReadISAC;
	310	cs->writeisac = &WriteISAC;
	311	cs->readisacfifo = &ReadISACfifo;
	312	cs->writeisacfifo = &WriteISACfifo;
	313	cs->BC_Read_Reg = &ReadJADE;
	314	cs->BC_Write_Reg = &WriteJADE;
	315	cs->BC_Send_Data = &jade_fill_fifo;
	316	cs->cardmsg = &BKM_card_msg;
	317	cs->irq_func = &bkm_interrupt;
9ba02bec	318	cs->irq_flags \|= IRQF_SHARED;
1da177e4 LT	319	ISACVersion(cs, "Telekom A4T:");
	320	/* Jade version */
	321	JadeVersion(cs, "Telekom A4T:");
d825a492	322
1da177e4 LT	323	return (1);
1da177e4 LT	324	}
d825a492 JG	325
	326	static struct pci_dev *dev_a4t __devinitdata = NULL;
	327
	328	int __devinit
	329	setup_bkm_a4t(struct IsdnCard *card)
	330	{
	331	struct IsdnCardState *cs = card->cs;
	332	char tmp[64];
	333	u_int pci_memaddr = 0, found = 0;
	334	int ret;
	335
	336	strcpy(tmp, bkm_a4t_revision);
	337	printk(KERN_INFO "HiSax: T-Berkom driver Rev. %s\n", HiSax_getrev(tmp));
	338	if (cs->typ == ISDN_CTYPE_BKM_A4T) {
	339	cs->subtyp = BKM_A4T;
	340	} else
	341	return (0);
	342
	343	while ((dev_a4t = pci_find_device(PCI_VENDOR_ID_ZORAN,
	344	PCI_DEVICE_ID_ZORAN_36120, dev_a4t))) {
	345	ret = a4t_pci_probe(dev_a4t, cs, &found, &pci_memaddr);
	346	if (!ret)
	347	return (0);
	348	if (ret > 0)
	349	break;
	350	}
	351	if (!found) {
8349304d	352	printk(KERN_WARNING "HiSax: Telekom A4T: Card not found\n");
d825a492 JG	353	return (0);
	354	}
	355	if (!pci_memaddr) {
8349304d JG	356	printk(KERN_WARNING "HiSax: Telekom A4T: "
8349304d JG	357	"No Memory base address\n");
d825a492 JG	358	return (0);
	359	}
	360
	361	return a4t_cs_init(card, cs, pci_memaddr);
	362	}