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isdn: gigaset: remove i4l support
[linux-2.6-block.git] / drivers / isdn / hisax / gazel.c
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1da177e4
LT		 1/* $Id: gazel.c,v 2.19.2.4 2004/01/14 16:04:48 keil Exp $
2 *
3 * low level stuff for Gazel isdn cards
4 *
5 * Author BeWan Systems
6 * based on source code from Karsten Keil
7 * Copyright by BeWan Systems
475be4d8 8 *
1da177e4
LT		 9 * This software may be used and distributed according to the terms
10 * of the GNU General Public License, incorporated herein by reference.
11 *
12 */
13
1da177e4
LT		 14#include <linux/init.h>
15#include "hisax.h"
16#include "isac.h"
17#include "hscx.h"
18#include "isdnl1.h"
19#include "ipac.h"
20#include <linux/pci.h>
21
672c3fd9 22static const char *gazel_revision = "$Revision: 2.19.2.4 $";
1da177e4
LT		 23
24#define R647 1
25#define R685 2
26#define R753 3
27#define R742 4
28
29#define PLX_CNTRL 0x50 /* registre de controle PLX */
30#define RESET_GAZEL 0x4
31#define RESET_9050 0x40000000
32#define PLX_INCSR 0x4C /* registre d'IT du 9050 */
33#define INT_ISAC_EN 0x8 /* 1 = enable IT isac */
34#define INT_ISAC 0x20 /* 1 = IT isac en cours */
35#define INT_HSCX_EN 0x1 /* 1 = enable IT hscx */
36#define INT_HSCX 0x4 /* 1 = IT hscx en cours */
37#define INT_PCI_EN 0x40 /* 1 = enable IT PCI */
38#define INT_IPAC_EN 0x3 /* enable IT ipac */
39
40
475be4d8 41#define byteout(addr, val) outb(val, addr)
1da177e4
LT		 42#define bytein(addr) inb(addr)
43
44static inline u_char
45readreg(unsigned int adr, u_short off)
46{
47 return bytein(adr + off);
48}
49
50static inline void
51writereg(unsigned int adr, u_short off, u_char data)
52{
53 byteout(adr + off, data);
54}
55
56
57static inline void
475be4d8 58read_fifo(unsigned int adr, u_char *data, int size)
1da177e4
LT		 59{
60 insb(adr, data, size);
61}
62
63static void
475be4d8 64write_fifo(unsigned int adr, u_char *data, int size)
1da177e4
LT		 65{
66 outsb(adr, data, size);
67}
68
69static inline u_char
70readreg_ipac(unsigned int adr, u_short off)
71{
72 register u_char ret;
73
74 byteout(adr, off);
75 ret = bytein(adr + 4);
76 return ret;
77}
78
79static inline void
80writereg_ipac(unsigned int adr, u_short off, u_char data)
81{
82 byteout(adr, off);
83 byteout(adr + 4, data);
84}
85
86
87static inline void
475be4d8 88read_fifo_ipac(unsigned int adr, u_short off, u_char *data, int size)
1da177e4
LT		 89{
90 byteout(adr, off);
91 insb(adr + 4, data, size);
92}
93
94static void
475be4d8 95write_fifo_ipac(unsigned int adr, u_short off, u_char *data, int size)
1da177e4
LT		 96{
97 byteout(adr, off);
98 outsb(adr + 4, data, size);
99}
100
101/* Interface functions */
102
103static u_char
104ReadISAC(struct IsdnCardState *cs, u_char offset)
105{
106 u_short off2 = offset;
107
108 switch (cs->subtyp) {
475be4d8
JP		 109 case R647:
110 off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
d287c502 111 /* fall through */
475be4d8
JP		 112 case R685:
113 return (readreg(cs->hw.gazel.isac, off2));
114 case R753:
115 case R742:
116 return (readreg_ipac(cs->hw.gazel.ipac, 0x80 + off2));
1da177e4
LT		 117 }
118 return 0;
119}
120
121static void
122WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
123{
124 u_short off2 = offset;
125
126 switch (cs->subtyp) {
475be4d8
JP		 127 case R647:
128 off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
d287c502 129 /* fall through */
475be4d8
JP		 130 case R685:
131 writereg(cs->hw.gazel.isac, off2, value);
132 break;
133 case R753:
134 case R742:
135 writereg_ipac(cs->hw.gazel.ipac, 0x80 + off2, value);
136 break;
1da177e4
LT		 137 }
138}
139
140static void
475be4d8 141ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size)
1da177e4
LT		 142{
143 switch (cs->subtyp) {
475be4d8
JP		 144 case R647:
145 case R685:
146 read_fifo(cs->hw.gazel.isacfifo, data, size);
147 break;
148 case R753:
149 case R742:
150 read_fifo_ipac(cs->hw.gazel.ipac, 0x80, data, size);
151 break;
1da177e4
LT		 152 }
153}
154
155static void
475be4d8 156WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size)
1da177e4
LT		 157{
158 switch (cs->subtyp) {
475be4d8
JP		 159 case R647:
160 case R685:
161 write_fifo(cs->hw.gazel.isacfifo, data, size);
162 break;
163 case R753:
164 case R742:
165 write_fifo_ipac(cs->hw.gazel.ipac, 0x80, data, size);
166 break;
1da177e4
LT		 167 }
168}
169
170static void
475be4d8 171ReadHSCXfifo(struct IsdnCardState *cs, int hscx, u_char *data, int size)
1da177e4
LT		 172{
173 switch (cs->subtyp) {
475be4d8
JP		 174 case R647:
175 case R685:
176 read_fifo(cs->hw.gazel.hscxfifo[hscx], data, size);
177 break;
178 case R753:
179 case R742:
180 read_fifo_ipac(cs->hw.gazel.ipac, hscx * 0x40, data, size);
181 break;
1da177e4
LT		 182 }
183}
184
185static void
475be4d8 186WriteHSCXfifo(struct IsdnCardState *cs, int hscx, u_char *data, int size)
1da177e4
LT		 187{
188 switch (cs->subtyp) {
475be4d8
JP		 189 case R647:
190 case R685:
191 write_fifo(cs->hw.gazel.hscxfifo[hscx], data, size);
192 break;
193 case R753:
194 case R742:
195 write_fifo_ipac(cs->hw.gazel.ipac, hscx * 0x40, data, size);
196 break;
1da177e4
LT		 197 }
198}
199
200static u_char
201ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
202{
203 u_short off2 = offset;
204
205 switch (cs->subtyp) {
475be4d8
JP		 206 case R647:
207 off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
d287c502 208 /* fall through */
475be4d8
JP		 209 case R685:
210 return (readreg(cs->hw.gazel.hscx[hscx], off2));
211 case R753:
212 case R742:
213 return (readreg_ipac(cs->hw.gazel.ipac, hscx * 0x40 + off2));
1da177e4
LT		 214 }
215 return 0;
216}
217
218static void
219WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
220{
221 u_short off2 = offset;
222
223 switch (cs->subtyp) {
475be4d8
JP		 224 case R647:
225 off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
d287c502 226 /* fall through */
475be4d8
JP		 227 case R685:
228 writereg(cs->hw.gazel.hscx[hscx], off2, value);
229 break;
230 case R753:
231 case R742:
232 writereg_ipac(cs->hw.gazel.ipac, hscx * 0x40 + off2, value);
233 break;
1da177e4
LT		 234 }
235}
236
237/*
238 * fast interrupt HSCX stuff goes here
239 */
240
241#define READHSCX(cs, nr, reg) ReadHSCX(cs, nr, reg)
242#define WRITEHSCX(cs, nr, reg, data) WriteHSCX(cs, nr, reg, data)
243#define READHSCXFIFO(cs, nr, ptr, cnt) ReadHSCXfifo(cs, nr, ptr, cnt)
244#define WRITEHSCXFIFO(cs, nr, ptr, cnt) WriteHSCXfifo(cs, nr, ptr, cnt)
245
246#include "hscx_irq.c"
247
248static irqreturn_t
7d12e780 249gazel_interrupt(int intno, void *dev_id)
1da177e4
LT		 250{
251#define MAXCOUNT 5
252 struct IsdnCardState *cs = dev_id;
253 u_char valisac, valhscx;
254 int count = 0;
255 u_long flags;
256
257 spin_lock_irqsave(&cs->lock, flags);
258 do {
259 valhscx = ReadHSCX(cs, 1, HSCX_ISTA);
260 if (valhscx)
261 hscx_int_main(cs, valhscx);
262 valisac = ReadISAC(cs, ISAC_ISTA);
263 if (valisac)
264 isac_interrupt(cs, valisac);
265 count++;
266 } while ((valhscx || valisac) && (count < MAXCOUNT));
267
268 WriteHSCX(cs, 0, HSCX_MASK, 0xFF);
269 WriteHSCX(cs, 1, HSCX_MASK, 0xFF);
270 WriteISAC(cs, ISAC_MASK, 0xFF);
271 WriteISAC(cs, ISAC_MASK, 0x0);
272 WriteHSCX(cs, 0, HSCX_MASK, 0x0);
273 WriteHSCX(cs, 1, HSCX_MASK, 0x0);
274 spin_unlock_irqrestore(&cs->lock, flags);
275 return IRQ_HANDLED;
276}
277
278
279static irqreturn_t
7d12e780 280gazel_interrupt_ipac(int intno, void *dev_id)
1da177e4
LT		 281{
282 struct IsdnCardState *cs = dev_id;
283 u_char ista, val;
284 int count = 0;
285 u_long flags;
475be4d8 286
1da177e4
LT		 287 spin_lock_irqsave(&cs->lock, flags);
288 ista = ReadISAC(cs, IPAC_ISTA - 0x80);
289 do {
290 if (ista & 0x0f) {
291 val = ReadHSCX(cs, 1, HSCX_ISTA);
292 if (ista & 0x01)
293 val |= 0x01;
294 if (ista & 0x04)
295 val |= 0x02;
296 if (ista & 0x08)
297 val |= 0x04;
298 if (val) {
299 hscx_int_main(cs, val);
300 }
301 }
302 if (ista & 0x20) {
303 val = 0xfe & ReadISAC(cs, ISAC_ISTA);
304 if (val) {
305 isac_interrupt(cs, val);
306 }
307 }
308 if (ista & 0x10) {
309 val = 0x01;
310 isac_interrupt(cs, val);
311 }
312 ista = ReadISAC(cs, IPAC_ISTA - 0x80);
313 count++;
314 }
315 while ((ista & 0x3f) && (count < MAXCOUNT));
316
317 WriteISAC(cs, IPAC_MASK - 0x80, 0xFF);
318 WriteISAC(cs, IPAC_MASK - 0x80, 0xC0);
319 spin_unlock_irqrestore(&cs->lock, flags);
320 return IRQ_HANDLED;
321}
672c3fd9
AB		 322
323static void
1da177e4
LT		 324release_io_gazel(struct IsdnCardState *cs)
325{
326 unsigned int i;
327
328 switch (cs->subtyp) {
475be4d8
JP		 329 case R647:
330 for (i = 0x0000; i < 0xC000; i += 0x1000)
331 release_region(i + cs->hw.gazel.hscx[0], 16);
332 release_region(0xC000 + cs->hw.gazel.hscx[0], 1);
333 break;
334
335 case R685:
336 release_region(cs->hw.gazel.hscx[0], 0x100);
337 release_region(cs->hw.gazel.cfg_reg, 0x80);
338 break;
339
340 case R753:
341 release_region(cs->hw.gazel.ipac, 0x8);
342 release_region(cs->hw.gazel.cfg_reg, 0x80);
343 break;
344
345 case R742:
346 release_region(cs->hw.gazel.ipac, 8);
347 break;
1da177e4
LT		 348 }
349}
350
351static int
352reset_gazel(struct IsdnCardState *cs)
353{
354 unsigned long plxcntrl, addr = cs->hw.gazel.cfg_reg;
355
356 switch (cs->subtyp) {
475be4d8
JP		 357 case R647:
358 writereg(addr, 0, 0);
359 HZDELAY(10);
360 writereg(addr, 0, 1);
361 HZDELAY(2);
362 break;
363 case R685:
364 plxcntrl = inl(addr + PLX_CNTRL);
365 plxcntrl |= (RESET_9050 + RESET_GAZEL);
366 outl(plxcntrl, addr + PLX_CNTRL);
367 plxcntrl &= ~(RESET_9050 + RESET_GAZEL);
368 HZDELAY(4);
369 outl(plxcntrl, addr + PLX_CNTRL);
370 HZDELAY(10);
371 outb(INT_ISAC_EN + INT_HSCX_EN + INT_PCI_EN, addr + PLX_INCSR);
372 break;
373 case R753:
374 plxcntrl = inl(addr + PLX_CNTRL);
375 plxcntrl |= (RESET_9050 + RESET_GAZEL);
376 outl(plxcntrl, addr + PLX_CNTRL);
377 plxcntrl &= ~(RESET_9050 + RESET_GAZEL);
378 WriteISAC(cs, IPAC_POTA2 - 0x80, 0x20);
379 HZDELAY(4);
380 outl(plxcntrl, addr + PLX_CNTRL);
381 HZDELAY(10);
382 WriteISAC(cs, IPAC_POTA2 - 0x80, 0x00);
383 WriteISAC(cs, IPAC_ACFG - 0x80, 0xff);
384 WriteISAC(cs, IPAC_AOE - 0x80, 0x0);
385 WriteISAC(cs, IPAC_MASK - 0x80, 0xff);
386 WriteISAC(cs, IPAC_CONF - 0x80, 0x1);
387 outb(INT_IPAC_EN + INT_PCI_EN, addr + PLX_INCSR);
388 WriteISAC(cs, IPAC_MASK - 0x80, 0xc0);
389 break;
390 case R742:
391 WriteISAC(cs, IPAC_POTA2 - 0x80, 0x20);
392 HZDELAY(4);
393 WriteISAC(cs, IPAC_POTA2 - 0x80, 0x00);
394 WriteISAC(cs, IPAC_ACFG - 0x80, 0xff);
395 WriteISAC(cs, IPAC_AOE - 0x80, 0x0);
396 WriteISAC(cs, IPAC_MASK - 0x80, 0xff);
397 WriteISAC(cs, IPAC_CONF - 0x80, 0x1);
398 WriteISAC(cs, IPAC_MASK - 0x80, 0xc0);
399 break;
1da177e4
LT		 400 }
401 return (0);
402}
403
404static int
405Gazel_card_msg(struct IsdnCardState *cs, int mt, void *arg)
406{
407 u_long flags;
408
409 switch (mt) {
475be4d8
JP		 410 case CARD_RESET:
411 spin_lock_irqsave(&cs->lock, flags);
412 reset_gazel(cs);
413 spin_unlock_irqrestore(&cs->lock, flags);
414 return (0);
415 case CARD_RELEASE:
416 release_io_gazel(cs);
417 return (0);
418 case CARD_INIT:
419 spin_lock_irqsave(&cs->lock, flags);
420 inithscxisac(cs, 1);
421 if ((cs->subtyp == R647) || (cs->subtyp == R685)) {
422 int i;
423 for (i = 0; i < (2 + MAX_WAITING_CALLS); i++) {
424 cs->bcs[i].hw.hscx.tsaxr0 = 0x1f;
425 cs->bcs[i].hw.hscx.tsaxr1 = 0x23;
1da177e4 426 }
475be4d8
JP		 427 }
428 spin_unlock_irqrestore(&cs->lock, flags);
429 return (0);
430 case CARD_TEST:
431 return (0);
1da177e4
LT		 432 }
433 return (0);
434}
435
436static int
437reserve_regions(struct IsdnCard *card, struct IsdnCardState *cs)
438{
439 unsigned int i, j, base = 0, adr = 0, len = 0;
440
441 switch (cs->subtyp) {
475be4d8
JP		 442 case R647:
443 base = cs->hw.gazel.hscx[0];
444 if (!request_region(adr = (0xC000 + base), len = 1, "gazel"))
445 goto error;
446 for (i = 0x0000; i < 0xC000; i += 0x1000) {
447 if (!request_region(adr = (i + base), len = 16, "gazel"))
1da177e4 448 goto error;
475be4d8
JP		 449 }
450 if (i != 0xC000) {
451 for (j = 0; j < i; j += 0x1000)
452 release_region(j + base, 16);
453 release_region(0xC000 + base, 1);
454 goto error;
455 }
456 break;
1da177e4 457
475be4d8
JP		 458 case R685:
459 if (!request_region(adr = cs->hw.gazel.hscx[0], len = 0x100, "gazel"))
460 goto error;
461 if (!request_region(adr = cs->hw.gazel.cfg_reg, len = 0x80, "gazel")) {
462 release_region(cs->hw.gazel.hscx[0], 0x100);
463 goto error;
464 }
465 break;
1da177e4 466
475be4d8
JP		 467 case R753:
468 if (!request_region(adr = cs->hw.gazel.ipac, len = 0x8, "gazel"))
469 goto error;
470 if (!request_region(adr = cs->hw.gazel.cfg_reg, len = 0x80, "gazel")) {
471 release_region(cs->hw.gazel.ipac, 8);
472 goto error;
473 }
474 break;
1da177e4 475
475be4d8
JP		 476 case R742:
477 if (!request_region(adr = cs->hw.gazel.ipac, len = 0x8, "gazel"))
478 goto error;
479 break;
1da177e4
LT		 480 }
481
482 return 0;
483
475be4d8 484error:
8349304d
JG		 485 printk(KERN_WARNING "Gazel: io ports 0x%x-0x%x already in use\n",
486 adr, adr + len);
1da177e4
LT		 487 return 1;
488}
489
ed5a84cd 490static int setup_gazelisa(struct IsdnCard *card, struct IsdnCardState *cs)
1da177e4
LT		 491{
492 printk(KERN_INFO "Gazel: ISA PnP card automatic recognition\n");
493 // we got an irq parameter, assume it is an ISA card
494 // R742 decodes address even in not started...
495 // R647 returns FF if not present or not started
496 // eventually needs improvment
497 if (readreg_ipac(card->para[1], IPAC_ID) == 1)
498 cs->subtyp = R742;
499 else
500 cs->subtyp = R647;
501
502 setup_isac(cs);
503 cs->hw.gazel.cfg_reg = card->para[1] + 0xC000;
504 cs->hw.gazel.ipac = card->para[1];
505 cs->hw.gazel.isac = card->para[1] + 0x8000;
506 cs->hw.gazel.hscx[0] = card->para[1];
507 cs->hw.gazel.hscx[1] = card->para[1] + 0x4000;
508 cs->irq = card->para[0];
509 cs->hw.gazel.isacfifo = cs->hw.gazel.isac;
510 cs->hw.gazel.hscxfifo[0] = cs->hw.gazel.hscx[0];
511 cs->hw.gazel.hscxfifo[1] = cs->hw.gazel.hscx[1];
512
513 switch (cs->subtyp) {
475be4d8
JP		 514 case R647:
515 printk(KERN_INFO "Gazel: Card ISA R647/R648 found\n");
516 cs->dc.isac.adf2 = 0x87;
517 printk(KERN_INFO
518 "Gazel: config irq:%d isac:0x%X cfg:0x%X\n",
519 cs->irq, cs->hw.gazel.isac, cs->hw.gazel.cfg_reg);
520 printk(KERN_INFO
521 "Gazel: hscx A:0x%X hscx B:0x%X\n",
522 cs->hw.gazel.hscx[0], cs->hw.gazel.hscx[1]);
523
524 break;
525 case R742:
526 printk(KERN_INFO "Gazel: Card ISA R742 found\n");
527 test_and_set_bit(HW_IPAC, &cs->HW_Flags);
528 printk(KERN_INFO
529 "Gazel: config irq:%d ipac:0x%X\n",
530 cs->irq, cs->hw.gazel.ipac);
531 break;
1da177e4
LT		 532 }
533
534 return (0);
535}
536
41a68a74 537#ifdef CONFIG_PCI
ed5a84cd 538static struct pci_dev *dev_tel = NULL;
1da177e4 539
ed5a84cd 540static int setup_gazelpci(struct IsdnCardState *cs)
1da177e4
LT		 541{
542 u_int pci_ioaddr0 = 0, pci_ioaddr1 = 0;
543 u_char pci_irq = 0, found;
544 u_int nbseek, seekcard;
545
546 printk(KERN_WARNING "Gazel: PCI card automatic recognition\n");
547
548 found = 0;
549 seekcard = PCI_DEVICE_ID_PLX_R685;
49f29915 550 for (nbseek = 0; nbseek < 4; nbseek++) {
41a68a74 551 if ((dev_tel = hisax_find_pci_device(PCI_VENDOR_ID_PLX,
475be4d8 552 seekcard, dev_tel))) {
1da177e4
LT		 553 if (pci_enable_device(dev_tel))
554 return 1;
555 pci_irq = dev_tel->irq;
556 pci_ioaddr0 = pci_resource_start(dev_tel, 1);
557 pci_ioaddr1 = pci_resource_start(dev_tel, 2);
558 found = 1;
559 }
560 if (found)
561 break;
562 else {
563 switch (seekcard) {
475be4d8
JP		 564 case PCI_DEVICE_ID_PLX_R685:
565 seekcard = PCI_DEVICE_ID_PLX_R753;
566 break;
567 case PCI_DEVICE_ID_PLX_R753:
568 seekcard = PCI_DEVICE_ID_PLX_DJINN_ITOO;
569 break;
570 case PCI_DEVICE_ID_PLX_DJINN_ITOO:
571 seekcard = PCI_DEVICE_ID_PLX_OLITEC;
572 break;
1da177e4
LT		 573 }
574 }
575 }
576 if (!found) {
577 printk(KERN_WARNING "Gazel: No PCI card found\n");
578 return (1);
579 }
580 if (!pci_irq) {
581 printk(KERN_WARNING "Gazel: No IRQ for PCI card found\n");
582 return 1;
583 }
584 cs->hw.gazel.pciaddr[0] = pci_ioaddr0;
585 cs->hw.gazel.pciaddr[1] = pci_ioaddr1;
586 setup_isac(cs);
587 pci_ioaddr1 &= 0xfffe;
588 cs->hw.gazel.cfg_reg = pci_ioaddr0 & 0xfffe;
589 cs->hw.gazel.ipac = pci_ioaddr1;
590 cs->hw.gazel.isac = pci_ioaddr1 + 0x80;
591 cs->hw.gazel.hscx[0] = pci_ioaddr1;
592 cs->hw.gazel.hscx[1] = pci_ioaddr1 + 0x40;
593 cs->hw.gazel.isacfifo = cs->hw.gazel.isac;
594 cs->hw.gazel.hscxfifo[0] = cs->hw.gazel.hscx[0];
595 cs->hw.gazel.hscxfifo[1] = cs->hw.gazel.hscx[1];
596 cs->irq = pci_irq;
9ba02bec 597 cs->irq_flags |= IRQF_SHARED;
1da177e4
LT		 598
599 switch (seekcard) {
475be4d8
JP		 600 case PCI_DEVICE_ID_PLX_R685:
601 printk(KERN_INFO "Gazel: Card PCI R685 found\n");
602 cs->subtyp = R685;
603 cs->dc.isac.adf2 = 0x87;
604 printk(KERN_INFO
605 "Gazel: config irq:%d isac:0x%X cfg:0x%X\n",
606 cs->irq, cs->hw.gazel.isac, cs->hw.gazel.cfg_reg);
607 printk(KERN_INFO
608 "Gazel: hscx A:0x%X hscx B:0x%X\n",
609 cs->hw.gazel.hscx[0], cs->hw.gazel.hscx[1]);
610 break;
611 case PCI_DEVICE_ID_PLX_R753:
612 case PCI_DEVICE_ID_PLX_DJINN_ITOO:
613 case PCI_DEVICE_ID_PLX_OLITEC:
614 printk(KERN_INFO "Gazel: Card PCI R753 found\n");
615 cs->subtyp = R753;
616 test_and_set_bit(HW_IPAC, &cs->HW_Flags);
617 printk(KERN_INFO
618 "Gazel: config irq:%d ipac:0x%X cfg:0x%X\n",
619 cs->irq, cs->hw.gazel.ipac, cs->hw.gazel.cfg_reg);
620 break;
1da177e4
LT		 621 }
622
623 return (0);
624}
41a68a74 625#endif /* CONFIG_PCI */
1da177e4 626
ed5a84cd 627int setup_gazel(struct IsdnCard *card)
1da177e4
LT		 628{
629 struct IsdnCardState *cs = card->cs;
630 char tmp[64];
631 u_char val;
632
633 strcpy(tmp, gazel_revision);
634 printk(KERN_INFO "Gazel: Driver Revision %s\n", HiSax_getrev(tmp));
635
636 if (cs->typ != ISDN_CTYPE_GAZEL)
637 return (0);
638
639 if (card->para[0]) {
640 if (setup_gazelisa(card, cs))
641 return (0);
642 } else {
643
41a68a74 644#ifdef CONFIG_PCI
1da177e4
LT		 645 if (setup_gazelpci(cs))
646 return (0);
647#else
648 printk(KERN_WARNING "Gazel: Card PCI requested and NO_PCI_BIOS, unable to config\n");
649 return (0);
650#endif /* CONFIG_PCI */
651 }
652
653 if (reserve_regions(card, cs)) {
654 return (0);
655 }
656 if (reset_gazel(cs)) {
657 printk(KERN_WARNING "Gazel: wrong IRQ\n");
658 release_io_gazel(cs);
659 return (0);
660 }
661 cs->readisac = &ReadISAC;
662 cs->writeisac = &WriteISAC;
663 cs->readisacfifo = &ReadISACfifo;
664 cs->writeisacfifo = &WriteISACfifo;
665 cs->BC_Read_Reg = &ReadHSCX;
666 cs->BC_Write_Reg = &WriteHSCX;
667 cs->BC_Send_Data = &hscx_fill_fifo;
668 cs->cardmsg = &Gazel_card_msg;
669
670 switch (cs->subtyp) {
475be4d8
JP		 671 case R647:
672 case R685:
673 cs->irq_func = &gazel_interrupt;
674 ISACVersion(cs, "Gazel:");
675 if (HscxVersion(cs, "Gazel:")) {
676 printk(KERN_WARNING
677 "Gazel: wrong HSCX versions check IO address\n");
678 release_io_gazel(cs);
679 return (0);
680 }
681 break;
682 case R742:
683 case R753:
684 cs->irq_func = &gazel_interrupt_ipac;
685 val = ReadISAC(cs, IPAC_ID - 0x80);
686 printk(KERN_INFO "Gazel: IPAC version %x\n", val);
687 break;
1da177e4
LT		 688 }
689
690 return (1);
691}
Linux 6.x block layer and io_uring tree(s)