summaryrefslogtreecommitdiffstats
path: root/drivers/isdn/hisax/gazel.c
blob: 60b04c6d9e7dc4da3888a0ffcc3dd7d8709d9d2c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
/* $Id: gazel.c,v 2.19.2.4 2004/01/14 16:04:48 keil Exp $
 *
 * low level stuff for Gazel isdn cards
 *
 * Author       BeWan Systems
 *              based on source code from Karsten Keil
 * Copyright    by BeWan Systems
 * 
 * This software may be used and distributed according to the terms
 * of the GNU General Public License, incorporated herein by reference.
 *
 */

#include <linux/config.h>
#include <linux/init.h>
#include "hisax.h"
#include "isac.h"
#include "hscx.h"
#include "isdnl1.h"
#include "ipac.h"
#include <linux/pci.h>

extern const char *CardType[];
static const char *gazel_revision = "$Revision: 2.19.2.4 $";

#define R647      1
#define R685      2
#define R753      3
#define R742      4

#define PLX_CNTRL    0x50	/* registre de controle PLX */
#define RESET_GAZEL  0x4
#define RESET_9050   0x40000000
#define PLX_INCSR    0x4C	/* registre d'IT du 9050 */
#define INT_ISAC_EN  0x8	/* 1 = enable IT isac */
#define INT_ISAC     0x20	/* 1 = IT isac en cours */
#define INT_HSCX_EN  0x1	/* 1 = enable IT hscx */
#define INT_HSCX     0x4	/* 1 = IT hscx en cours */
#define INT_PCI_EN   0x40	/* 1 = enable IT PCI */
#define INT_IPAC_EN  0x3	/* enable IT ipac */


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

static inline u_char
readreg(unsigned int adr, u_short off)
{
	return bytein(adr + off);
}

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


static inline void
read_fifo(unsigned int adr, u_char * data, int size)
{
	insb(adr, data, size);
}

static void
write_fifo(unsigned int adr, u_char * data, int size)
{
	outsb(adr, data, size);
}

static inline u_char
readreg_ipac(unsigned int adr, u_short off)
{
	register u_char ret;

	byteout(adr, off);
	ret = bytein(adr + 4);
	return ret;
}

static inline void
writereg_ipac(unsigned int adr, u_short off, u_char data)
{
	byteout(adr, off);
	byteout(adr + 4, data);
}


static inline void
read_fifo_ipac(unsigned int adr, u_short off, u_char * data, int size)
{
	byteout(adr, off);
	insb(adr + 4, data, size);
}

static void
write_fifo_ipac(unsigned int adr, u_short off, u_char * data, int size)
{
	byteout(adr, off);
	outsb(adr + 4, data, size);
}

/* Interface functions */

static u_char
ReadISAC(struct IsdnCardState *cs, u_char offset)
{
	u_short off2 = offset;

	switch (cs->subtyp) {
		case R647:
			off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
		case R685:
			return (readreg(cs->hw.gazel.isac, off2));
		case R753:
		case R742:
			return (readreg_ipac(cs->hw.gazel.ipac, 0x80 + off2));
	}
	return 0;
}

static void
WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
{
	u_short off2 = offset;

	switch (cs->subtyp) {
		case R647:
			off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
		case R685:
			writereg(cs->hw.gazel.isac, off2, value);
			break;
		case R753:
		case R742:
			writereg_ipac(cs->hw.gazel.ipac, 0x80 + off2, value);
			break;
	}
}

static void
ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size)
{
	switch (cs->subtyp) {
		case R647:
		case R685:
			read_fifo(cs->hw.gazel.isacfifo, data, size);
			break;
		case R753:
		case R742:
			read_fifo_ipac(cs->hw.gazel.ipac, 0x80, data, size);
			break;
	}
}

static void
WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size)
{
	switch (cs->subtyp) {
		case R647:
		case R685:
			write_fifo(cs->hw.gazel.isacfifo, data, size);
			break;
		case R753:
		case R742:
			write_fifo_ipac(cs->hw.gazel.ipac, 0x80, data, size);
			break;
	}
}

static void
ReadHSCXfifo(struct IsdnCardState *cs, int hscx, u_char * data, int size)
{
	switch (cs->subtyp) {
		case R647:
		case R685:
			read_fifo(cs->hw.gazel.hscxfifo[hscx], data, size);
			break;
		case R753:
		case R742:
			read_fifo_ipac(cs->hw.gazel.ipac, hscx * 0x40, data, size);
			break;
	}
}

static void
WriteHSCXfifo(struct IsdnCardState *cs, int hscx, u_char * data, int size)
{
	switch (cs->subtyp) {
		case R647:
		case R685:
			write_fifo(cs->hw.gazel.hscxfifo[hscx], data, size);
			break;
		case R753:
		case R742:
			write_fifo_ipac(cs->hw.gazel.ipac, hscx * 0x40, data, size);
			break;
	}
}

static u_char
ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
{
	u_short off2 = offset;

	switch (cs->subtyp) {
		case R647:
			off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
		case R685:
			return (readreg(cs->hw.gazel.hscx[hscx], off2));
		case R753:
		case R742:
			return (readreg_ipac(cs->hw.gazel.ipac, hscx * 0x40 + off2));
	}
	return 0;
}

static void
WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
{
	u_short off2 = offset;

	switch (cs->subtyp) {
		case R647:
			off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
		case R685:
			writereg(cs->hw.gazel.hscx[hscx], off2, value);
			break;
		case R753:
		case R742:
			writereg_ipac(cs->hw.gazel.ipac, hscx * 0x40 + off2, value);
			break;
	}
}

/*
 * fast interrupt HSCX stuff goes here
 */

#define READHSCX(cs, nr, reg) ReadHSCX(cs, nr, reg)
#define WRITEHSCX(cs, nr, reg, data) WriteHSCX(cs, nr, reg, data)
#define READHSCXFIFO(cs, nr, ptr, cnt) ReadHSCXfifo(cs, nr, ptr, cnt)
#define WRITEHSCXFIFO(cs, nr, ptr, cnt) WriteHSCXfifo(cs, nr, ptr, cnt)

#include "hscx_irq.c"

static irqreturn_t
gazel_interrupt(int intno, void *dev_id, struct pt_regs *regs)
{
#define MAXCOUNT 5
	struct IsdnCardState *cs = dev_id;
	u_char valisac, valhscx;
	int count = 0;
	u_long flags;

	spin_lock_irqsave(&cs->lock, flags);
	do {
		valhscx = ReadHSCX(cs, 1, HSCX_ISTA);
		if (valhscx)
			hscx_int_main(cs, valhscx);
		valisac = ReadISAC(cs, ISAC_ISTA);
		if (valisac)
			isac_interrupt(cs, valisac);
		count++;
	} while ((valhscx || valisac) && (count < MAXCOUNT));

	WriteHSCX(cs, 0, HSCX_MASK, 0xFF);
	WriteHSCX(cs, 1, HSCX_MASK, 0xFF);
	WriteISAC(cs, ISAC_MASK, 0xFF);
	WriteISAC(cs, ISAC_MASK, 0x0);
	WriteHSCX(cs, 0, HSCX_MASK, 0x0);
	WriteHSCX(cs, 1, HSCX_MASK, 0x0);
	spin_unlock_irqrestore(&cs->lock, flags);
	return IRQ_HANDLED;
}


static irqreturn_t
gazel_interrupt_ipac(int intno, void *dev_id, struct pt_regs *regs)
{
	struct IsdnCardState *cs = dev_id;
	u_char ista, val;
	int count = 0;
	u_long flags;
	
	spin_lock_irqsave(&cs->lock, flags);
	ista = ReadISAC(cs, IPAC_ISTA - 0x80);
	do {
		if (ista & 0x0f) {
			val = ReadHSCX(cs, 1, HSCX_ISTA);
			if (ista & 0x01)
				val |= 0x01;
			if (ista & 0x04)
				val |= 0x02;
			if (ista & 0x08)
				val |= 0x04;
			if (val) {
				hscx_int_main(cs, val);
			}
		}
		if (ista & 0x20) {
			val = 0xfe & ReadISAC(cs, ISAC_ISTA);
			if (val) {
				isac_interrupt(cs, val);
			}
		}
		if (ista & 0x10) {
			val = 0x01;
			isac_interrupt(cs, val);
		}
		ista = ReadISAC(cs, IPAC_ISTA - 0x80);
		count++;
	}
	while ((ista & 0x3f) && (count < MAXCOUNT));

	WriteISAC(cs, IPAC_MASK - 0x80, 0xFF);
	WriteISAC(cs, IPAC_MASK - 0x80, 0xC0);
	spin_unlock_irqrestore(&cs->lock, flags);
	return IRQ_HANDLED;
}

static void
release_io_gazel(struct IsdnCardState *cs)
{
	unsigned int i;

	switch (cs->subtyp) {
		case R647:
			for (i = 0x0000; i < 0xC000; i += 0x1000)
				release_region(i + cs->hw.gazel.hscx[0], 16);
			release_region(0xC000 + cs->hw.gazel.hscx[0], 1);
			break;

		case R685:
			release_region(cs->hw.gazel.hscx[0], 0x100);
			release_region(cs->hw.gazel.cfg_reg, 0x80);
			break;

		case R753:
			release_region(cs->hw.gazel.ipac, 0x8);
			release_region(cs->hw.gazel.cfg_reg, 0x80);
			break;

		case R742:
			release_region(cs->hw.gazel.ipac, 8);
			break;
	}
}

static int
reset_gazel(struct IsdnCardState *cs)
{
	unsigned long plxcntrl, addr = cs->hw.gazel.cfg_reg;

	switch (cs->subtyp) {
		case R647:
			writereg(addr, 0, 0);
			HZDELAY(10);
			writereg(addr, 0, 1);
			HZDELAY(2);
			break;
		case R685:
			plxcntrl = inl(addr + PLX_CNTRL);
			plxcntrl |= (RESET_9050 + RESET_GAZEL);
			outl(plxcntrl, addr + PLX_CNTRL);
			plxcntrl &= ~(RESET_9050 + RESET_GAZEL);
			HZDELAY(4);
			outl(plxcntrl, addr + PLX_CNTRL);
			HZDELAY(10);
			outb(INT_ISAC_EN + INT_HSCX_EN + INT_PCI_EN, addr + PLX_INCSR);
			break;
		case R753:
			plxcntrl = inl(addr + PLX_CNTRL);
			plxcntrl |= (RESET_9050 + RESET_GAZEL);
			outl(plxcntrl, addr + PLX_CNTRL);
			plxcntrl &= ~(RESET_9050 + RESET_GAZEL);
			WriteISAC(cs, IPAC_POTA2 - 0x80, 0x20);
			HZDELAY(4);
			outl(plxcntrl, addr + PLX_CNTRL);
			HZDELAY(10);
			WriteISAC(cs, IPAC_POTA2 - 0x80, 0x00);
			WriteISAC(cs, IPAC_ACFG - 0x80, 0xff);
			WriteISAC(cs, IPAC_AOE - 0x80, 0x0);
			WriteISAC(cs, IPAC_MASK - 0x80, 0xff);
			WriteISAC(cs, IPAC_CONF - 0x80, 0x1);
			outb(INT_IPAC_EN + INT_PCI_EN, addr + PLX_INCSR);
			WriteISAC(cs, IPAC_MASK - 0x80, 0xc0);
			break;
		case R742:
			WriteISAC(cs, IPAC_POTA2 - 0x80, 0x20);
			HZDELAY(4);
			WriteISAC(cs, IPAC_POTA2 - 0x80, 0x00);
			WriteISAC(cs, IPAC_ACFG - 0x80, 0xff);
			WriteISAC(cs, IPAC_AOE - 0x80, 0x0);
			WriteISAC(cs, IPAC_MASK - 0x80, 0xff);
			WriteISAC(cs, IPAC_CONF - 0x80, 0x1);
			WriteISAC(cs, IPAC_MASK - 0x80, 0xc0);
			break;
	}
	return (0);
}

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

	switch (mt) {
		case CARD_RESET:
			spin_lock_irqsave(&cs->lock, flags);
			reset_gazel(cs);
			spin_unlock_irqrestore(&cs->lock, flags);
			return (0);
		case CARD_RELEASE:
			release_io_gazel(cs);
			return (0);
		case CARD_INIT:
			spin_lock_irqsave(&cs->lock, flags);
			inithscxisac(cs, 1);
			if ((cs->subtyp==R647)||(cs->subtyp==R685)) {
				int i;
				for (i=0;i<(2+MAX_WAITING_CALLS);i++) {
					cs->bcs[i].hw.hscx.tsaxr0 = 0x1f;
					cs->bcs[i].hw.hscx.tsaxr1 = 0x23;
				}
			}
			spin_unlock_irqrestore(&cs->lock, flags);
			return (0);
		case CARD_TEST:
			return (0);
	}
	return (0);
}

static int
reserve_regions(struct IsdnCard *card, struct IsdnCardState *cs)
{
	unsigned int i, j, base = 0, adr = 0, len = 0;

	switch (cs->subtyp) {
		case R647:
			base = cs->hw.gazel.hscx[0];
			if (!request_region(adr = (0xC000 + base), len = 1, "gazel"))
				goto error;
			for (i = 0x0000; i < 0xC000; i += 0x1000) {
				if (!request_region(adr = (i + base), len = 16, "gazel"))
					goto error;
			}
			if (i != 0xC000) {
				for (j = 0; j < i; j+= 0x1000)
					release_region(j + base, 16);
				release_region(0xC000 + base, 1);
				goto error;
			}
			break;

		case R685:
			if (!request_region(adr = cs->hw.gazel.hscx[0], len = 0x100, "gazel"))
				goto error;
			if (!request_region(adr = cs->hw.gazel.cfg_reg, len = 0x80, "gazel")) {
				release_region(cs->hw.gazel.hscx[0],0x100);
				goto error;
			}
			break;

		case R753:
			if (!request_region(adr = cs->hw.gazel.ipac, len = 0x8, "gazel"))
				goto error;
			if (!request_region(adr = cs->hw.gazel.cfg_reg, len = 0x80, "gazel")) {
				release_region(cs->hw.gazel.ipac, 8);
				goto error;
			}
			break;

		case R742:
			if (!request_region(adr = cs->hw.gazel.ipac, len = 0x8, "gazel"))
				goto error;
			break;
	}

	return 0;

      error:
	printk(KERN_WARNING "Gazel: %s io ports 0x%x-0x%x already in use\n",
	       CardType[cs->typ], adr, adr + len);
	return 1;
}

static int __init
setup_gazelisa(struct IsdnCard *card, struct IsdnCardState *cs)
{
	printk(KERN_INFO "Gazel: ISA PnP card automatic recognition\n");
	// we got an irq parameter, assume it is an ISA card
	// R742 decodes address even in not started...
	// R647 returns FF if not present or not started
	// eventually needs improvment
	if (readreg_ipac(card->para[1], IPAC_ID) == 1)
		cs->subtyp = R742;
	else
		cs->subtyp = R647;

	setup_isac(cs);
	cs->hw.gazel.cfg_reg = card->para[1] + 0xC000;
	cs->hw.gazel.ipac = card->para[1];
	cs->hw.gazel.isac = card->para[1] + 0x8000;
	cs->hw.gazel.hscx[0] = card->para[1];
	cs->hw.gazel.hscx[1] = card->para[1] + 0x4000;
	cs->irq = card->para[0];
	cs->hw.gazel.isacfifo = cs->hw.gazel.isac;
	cs->hw.gazel.hscxfifo[0] = cs->hw.gazel.hscx[0];
	cs->hw.gazel.hscxfifo[1] = cs->hw.gazel.hscx[1];

	switch (cs->subtyp) {
		case R647:
			printk(KERN_INFO "Gazel: Card ISA R647/R648 found\n");
			cs->dc.isac.adf2 = 0x87;
			printk(KERN_INFO
				"Gazel: config irq:%d isac:0x%X  cfg:0x%X\n",
				cs->irq, cs->hw.gazel.isac, cs->hw.gazel.cfg_reg);
			printk(KERN_INFO
				"Gazel: hscx A:0x%X  hscx B:0x%X\n",
				cs->hw.gazel.hscx[0], cs->hw.gazel.hscx[1]);

			break;
		case R742:
			printk(KERN_INFO "Gazel: Card ISA R742 found\n");
			test_and_set_bit(HW_IPAC, &cs->HW_Flags);
			printk(KERN_INFO
			       "Gazel: config irq:%d ipac:0x%X\n",
			       cs->irq, cs->hw.gazel.ipac);
			break;
	}

	return (0);
}

static struct pci_dev *dev_tel __initdata = NULL;

static int __init
setup_gazelpci(struct IsdnCardState *cs)
{
	u_int pci_ioaddr0 = 0, pci_ioaddr1 = 0;
	u_char pci_irq = 0, found;
	u_int nbseek, seekcard;

	printk(KERN_WARNING "Gazel: PCI card automatic recognition\n");

	found = 0;
	seekcard = PCI_DEVICE_ID_PLX_R685;
	for (nbseek = 0; nbseek < 4; nbseek++) {
		if ((dev_tel = pci_find_device(PCI_VENDOR_ID_PLX,
					seekcard, dev_tel))) {
			if (pci_enable_device(dev_tel))
				return 1;
			pci_irq = dev_tel->irq;
			pci_ioaddr0 = pci_resource_start(dev_tel, 1);
			pci_ioaddr1 = pci_resource_start(dev_tel, 2);
			found = 1;
		}
		if (found)
			break;
		else {
			switch (seekcard) {
				case PCI_DEVICE_ID_PLX_R685:
					seekcard = PCI_DEVICE_ID_PLX_R753;
					break;
				case PCI_DEVICE_ID_PLX_R753:
					seekcard = PCI_DEVICE_ID_PLX_DJINN_ITOO;
					break;
				case PCI_DEVICE_ID_PLX_DJINN_ITOO:
					seekcard = PCI_DEVICE_ID_PLX_OLITEC;
					break;
			}
		}
	}
	if (!found) {
		printk(KERN_WARNING "Gazel: No PCI card found\n");
		return (1);
	}
	if (!pci_irq) {
		printk(KERN_WARNING "Gazel: No IRQ for PCI card found\n");
		return 1;
	}
	cs->hw.gazel.pciaddr[0] = pci_ioaddr0;
	cs->hw.gazel.pciaddr[1] = pci_ioaddr1;
	setup_isac(cs);
	pci_ioaddr1 &= 0xfffe;
	cs->hw.gazel.cfg_reg = pci_ioaddr0 & 0xfffe;
	cs->hw.gazel.ipac = pci_ioaddr1;
	cs->hw.gazel.isac = pci_ioaddr1 + 0x80;
	cs->hw.gazel.hscx[0] = pci_ioaddr1;
	cs->hw.gazel.hscx[1] = pci_ioaddr1 + 0x40;
	cs->hw.gazel.isacfifo = cs->hw.gazel.isac;
	cs->hw.gazel.hscxfifo[0] = cs->hw.gazel.hscx[0];
	cs->hw.gazel.hscxfifo[1] = cs->hw.gazel.hscx[1];
	cs->irq = pci_irq;
	cs->irq_flags |= SA_SHIRQ;

	switch (seekcard) {
		case PCI_DEVICE_ID_PLX_R685:
			printk(KERN_INFO "Gazel: Card PCI R685 found\n");
			cs->subtyp = R685;
			cs->dc.isac.adf2 = 0x87;
			printk(KERN_INFO
			    "Gazel: config irq:%d isac:0x%X  cfg:0x%X\n",
			cs->irq, cs->hw.gazel.isac, cs->hw.gazel.cfg_reg);
			printk(KERN_INFO
			       "Gazel: hscx A:0x%X  hscx B:0x%X\n",
			     cs->hw.gazel.hscx[0], cs->hw.gazel.hscx[1]);
			break;
		case PCI_DEVICE_ID_PLX_R753:
		case PCI_DEVICE_ID_PLX_DJINN_ITOO:
		case PCI_DEVICE_ID_PLX_OLITEC:
			printk(KERN_INFO "Gazel: Card PCI R753 found\n");
			cs->subtyp = R753;
			test_and_set_bit(HW_IPAC, &cs->HW_Flags);
			printk(KERN_INFO
			    "Gazel: config irq:%d ipac:0x%X  cfg:0x%X\n",
			cs->irq, cs->hw.gazel.ipac, cs->hw.gazel.cfg_reg);
			break;
	}

	return (0);
}

int __init
setup_gazel(struct IsdnCard *card)
{
	struct IsdnCardState *cs = card->cs;
	char tmp[64];
	u_char val;

	strcpy(tmp, gazel_revision);
	printk(KERN_INFO "Gazel: Driver Revision %s\n", HiSax_getrev(tmp));

	if (cs->typ != ISDN_CTYPE_GAZEL)
		return (0);

	if (card->para[0]) {
		if (setup_gazelisa(card, cs))
			return (0);
	} else {

#ifdef CONFIG_PCI
		if (setup_gazelpci(cs))
			return (0);
#else
		printk(KERN_WARNING "Gazel: Card PCI requested and NO_PCI_BIOS, unable to config\n");
		return (0);
#endif				/* CONFIG_PCI */
	}

	if (reserve_regions(card, cs)) {
		return (0);
	}
	if (reset_gazel(cs)) {
		printk(KERN_WARNING "Gazel: wrong IRQ\n");
		release_io_gazel(cs);
		return (0);
	}
	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 = &Gazel_card_msg;

	switch (cs->subtyp) {
		case R647:
		case R685:
			cs->irq_func = &gazel_interrupt;
			ISACVersion(cs, "Gazel:");
			if (HscxVersion(cs, "Gazel:")) {
				printk(KERN_WARNING
				       "Gazel: wrong HSCX versions check IO address\n");
				release_io_gazel(cs);
				return (0);
			}
			break;
		case R742:
		case R753:
			cs->irq_func = &gazel_interrupt_ipac;
			val = ReadISAC(cs, IPAC_ID - 0x80);
			printk(KERN_INFO "Gazel: IPAC version %x\n", val);
			break;
	}

	return (1);
}
OpenPOWER on IntegriCloud