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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 | 22 | static 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 | ||
44 | static inline u_char | |
45 | readreg(unsigned int adr, u_short off) | |
46 | { | |
47 | return bytein(adr + off); | |
48 | } | |
49 | ||
50 | static inline void | |
51 | writereg(unsigned int adr, u_short off, u_char data) | |
52 | { | |
53 | byteout(adr + off, data); | |
54 | } | |
55 | ||
56 | ||
57 | static inline void | |
475be4d8 | 58 | read_fifo(unsigned int adr, u_char *data, int size) |
1da177e4 LT |
59 | { |
60 | insb(adr, data, size); | |
61 | } | |
62 | ||
63 | static void | |
475be4d8 | 64 | write_fifo(unsigned int adr, u_char *data, int size) |
1da177e4 LT |
65 | { |
66 | outsb(adr, data, size); | |
67 | } | |
68 | ||
69 | static inline u_char | |
70 | readreg_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 | ||
79 | static inline void | |
80 | writereg_ipac(unsigned int adr, u_short off, u_char data) | |
81 | { | |
82 | byteout(adr, off); | |
83 | byteout(adr + 4, data); | |
84 | } | |
85 | ||
86 | ||
87 | static inline void | |
475be4d8 | 88 | read_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 | ||
94 | static void | |
475be4d8 | 95 | write_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 | ||
103 | static u_char | |
104 | ReadISAC(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)); | |
111 | case R685: | |
112 | return (readreg(cs->hw.gazel.isac, off2)); | |
113 | case R753: | |
114 | case R742: | |
115 | return (readreg_ipac(cs->hw.gazel.ipac, 0x80 + off2)); | |
1da177e4 LT |
116 | } |
117 | return 0; | |
118 | } | |
119 | ||
120 | static void | |
121 | WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value) | |
122 | { | |
123 | u_short off2 = offset; | |
124 | ||
125 | switch (cs->subtyp) { | |
475be4d8 JP |
126 | case R647: |
127 | off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf)); | |
128 | case R685: | |
129 | writereg(cs->hw.gazel.isac, off2, value); | |
130 | break; | |
131 | case R753: | |
132 | case R742: | |
133 | writereg_ipac(cs->hw.gazel.ipac, 0x80 + off2, value); | |
134 | break; | |
1da177e4 LT |
135 | } |
136 | } | |
137 | ||
138 | static void | |
475be4d8 | 139 | ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size) |
1da177e4 LT |
140 | { |
141 | switch (cs->subtyp) { | |
475be4d8 JP |
142 | case R647: |
143 | case R685: | |
144 | read_fifo(cs->hw.gazel.isacfifo, data, size); | |
145 | break; | |
146 | case R753: | |
147 | case R742: | |
148 | read_fifo_ipac(cs->hw.gazel.ipac, 0x80, data, size); | |
149 | break; | |
1da177e4 LT |
150 | } |
151 | } | |
152 | ||
153 | static void | |
475be4d8 | 154 | WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size) |
1da177e4 LT |
155 | { |
156 | switch (cs->subtyp) { | |
475be4d8 JP |
157 | case R647: |
158 | case R685: | |
159 | write_fifo(cs->hw.gazel.isacfifo, data, size); | |
160 | break; | |
161 | case R753: | |
162 | case R742: | |
163 | write_fifo_ipac(cs->hw.gazel.ipac, 0x80, data, size); | |
164 | break; | |
1da177e4 LT |
165 | } |
166 | } | |
167 | ||
168 | static void | |
475be4d8 | 169 | ReadHSCXfifo(struct IsdnCardState *cs, int hscx, u_char *data, int size) |
1da177e4 LT |
170 | { |
171 | switch (cs->subtyp) { | |
475be4d8 JP |
172 | case R647: |
173 | case R685: | |
174 | read_fifo(cs->hw.gazel.hscxfifo[hscx], data, size); | |
175 | break; | |
176 | case R753: | |
177 | case R742: | |
178 | read_fifo_ipac(cs->hw.gazel.ipac, hscx * 0x40, data, size); | |
179 | break; | |
1da177e4 LT |
180 | } |
181 | } | |
182 | ||
183 | static void | |
475be4d8 | 184 | WriteHSCXfifo(struct IsdnCardState *cs, int hscx, u_char *data, int size) |
1da177e4 LT |
185 | { |
186 | switch (cs->subtyp) { | |
475be4d8 JP |
187 | case R647: |
188 | case R685: | |
189 | write_fifo(cs->hw.gazel.hscxfifo[hscx], data, size); | |
190 | break; | |
191 | case R753: | |
192 | case R742: | |
193 | write_fifo_ipac(cs->hw.gazel.ipac, hscx * 0x40, data, size); | |
194 | break; | |
1da177e4 LT |
195 | } |
196 | } | |
197 | ||
198 | static u_char | |
199 | ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset) | |
200 | { | |
201 | u_short off2 = offset; | |
202 | ||
203 | switch (cs->subtyp) { | |
475be4d8 JP |
204 | case R647: |
205 | off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf)); | |
206 | case R685: | |
207 | return (readreg(cs->hw.gazel.hscx[hscx], off2)); | |
208 | case R753: | |
209 | case R742: | |
210 | return (readreg_ipac(cs->hw.gazel.ipac, hscx * 0x40 + off2)); | |
1da177e4 LT |
211 | } |
212 | return 0; | |
213 | } | |
214 | ||
215 | static void | |
216 | WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value) | |
217 | { | |
218 | u_short off2 = offset; | |
219 | ||
220 | switch (cs->subtyp) { | |
475be4d8 JP |
221 | case R647: |
222 | off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf)); | |
223 | case R685: | |
224 | writereg(cs->hw.gazel.hscx[hscx], off2, value); | |
225 | break; | |
226 | case R753: | |
227 | case R742: | |
228 | writereg_ipac(cs->hw.gazel.ipac, hscx * 0x40 + off2, value); | |
229 | break; | |
1da177e4 LT |
230 | } |
231 | } | |
232 | ||
233 | /* | |
234 | * fast interrupt HSCX stuff goes here | |
235 | */ | |
236 | ||
237 | #define READHSCX(cs, nr, reg) ReadHSCX(cs, nr, reg) | |
238 | #define WRITEHSCX(cs, nr, reg, data) WriteHSCX(cs, nr, reg, data) | |
239 | #define READHSCXFIFO(cs, nr, ptr, cnt) ReadHSCXfifo(cs, nr, ptr, cnt) | |
240 | #define WRITEHSCXFIFO(cs, nr, ptr, cnt) WriteHSCXfifo(cs, nr, ptr, cnt) | |
241 | ||
242 | #include "hscx_irq.c" | |
243 | ||
244 | static irqreturn_t | |
7d12e780 | 245 | gazel_interrupt(int intno, void *dev_id) |
1da177e4 LT |
246 | { |
247 | #define MAXCOUNT 5 | |
248 | struct IsdnCardState *cs = dev_id; | |
249 | u_char valisac, valhscx; | |
250 | int count = 0; | |
251 | u_long flags; | |
252 | ||
253 | spin_lock_irqsave(&cs->lock, flags); | |
254 | do { | |
255 | valhscx = ReadHSCX(cs, 1, HSCX_ISTA); | |
256 | if (valhscx) | |
257 | hscx_int_main(cs, valhscx); | |
258 | valisac = ReadISAC(cs, ISAC_ISTA); | |
259 | if (valisac) | |
260 | isac_interrupt(cs, valisac); | |
261 | count++; | |
262 | } while ((valhscx || valisac) && (count < MAXCOUNT)); | |
263 | ||
264 | WriteHSCX(cs, 0, HSCX_MASK, 0xFF); | |
265 | WriteHSCX(cs, 1, HSCX_MASK, 0xFF); | |
266 | WriteISAC(cs, ISAC_MASK, 0xFF); | |
267 | WriteISAC(cs, ISAC_MASK, 0x0); | |
268 | WriteHSCX(cs, 0, HSCX_MASK, 0x0); | |
269 | WriteHSCX(cs, 1, HSCX_MASK, 0x0); | |
270 | spin_unlock_irqrestore(&cs->lock, flags); | |
271 | return IRQ_HANDLED; | |
272 | } | |
273 | ||
274 | ||
275 | static irqreturn_t | |
7d12e780 | 276 | gazel_interrupt_ipac(int intno, void *dev_id) |
1da177e4 LT |
277 | { |
278 | struct IsdnCardState *cs = dev_id; | |
279 | u_char ista, val; | |
280 | int count = 0; | |
281 | u_long flags; | |
475be4d8 | 282 | |
1da177e4 LT |
283 | spin_lock_irqsave(&cs->lock, flags); |
284 | ista = ReadISAC(cs, IPAC_ISTA - 0x80); | |
285 | do { | |
286 | if (ista & 0x0f) { | |
287 | val = ReadHSCX(cs, 1, HSCX_ISTA); | |
288 | if (ista & 0x01) | |
289 | val |= 0x01; | |
290 | if (ista & 0x04) | |
291 | val |= 0x02; | |
292 | if (ista & 0x08) | |
293 | val |= 0x04; | |
294 | if (val) { | |
295 | hscx_int_main(cs, val); | |
296 | } | |
297 | } | |
298 | if (ista & 0x20) { | |
299 | val = 0xfe & ReadISAC(cs, ISAC_ISTA); | |
300 | if (val) { | |
301 | isac_interrupt(cs, val); | |
302 | } | |
303 | } | |
304 | if (ista & 0x10) { | |
305 | val = 0x01; | |
306 | isac_interrupt(cs, val); | |
307 | } | |
308 | ista = ReadISAC(cs, IPAC_ISTA - 0x80); | |
309 | count++; | |
310 | } | |
311 | while ((ista & 0x3f) && (count < MAXCOUNT)); | |
312 | ||
313 | WriteISAC(cs, IPAC_MASK - 0x80, 0xFF); | |
314 | WriteISAC(cs, IPAC_MASK - 0x80, 0xC0); | |
315 | spin_unlock_irqrestore(&cs->lock, flags); | |
316 | return IRQ_HANDLED; | |
317 | } | |
672c3fd9 AB |
318 | |
319 | static void | |
1da177e4 LT |
320 | release_io_gazel(struct IsdnCardState *cs) |
321 | { | |
322 | unsigned int i; | |
323 | ||
324 | switch (cs->subtyp) { | |
475be4d8 JP |
325 | case R647: |
326 | for (i = 0x0000; i < 0xC000; i += 0x1000) | |
327 | release_region(i + cs->hw.gazel.hscx[0], 16); | |
328 | release_region(0xC000 + cs->hw.gazel.hscx[0], 1); | |
329 | break; | |
330 | ||
331 | case R685: | |
332 | release_region(cs->hw.gazel.hscx[0], 0x100); | |
333 | release_region(cs->hw.gazel.cfg_reg, 0x80); | |
334 | break; | |
335 | ||
336 | case R753: | |
337 | release_region(cs->hw.gazel.ipac, 0x8); | |
338 | release_region(cs->hw.gazel.cfg_reg, 0x80); | |
339 | break; | |
340 | ||
341 | case R742: | |
342 | release_region(cs->hw.gazel.ipac, 8); | |
343 | break; | |
1da177e4 LT |
344 | } |
345 | } | |
346 | ||
347 | static int | |
348 | reset_gazel(struct IsdnCardState *cs) | |
349 | { | |
350 | unsigned long plxcntrl, addr = cs->hw.gazel.cfg_reg; | |
351 | ||
352 | switch (cs->subtyp) { | |
475be4d8 JP |
353 | case R647: |
354 | writereg(addr, 0, 0); | |
355 | HZDELAY(10); | |
356 | writereg(addr, 0, 1); | |
357 | HZDELAY(2); | |
358 | break; | |
359 | case R685: | |
360 | plxcntrl = inl(addr + PLX_CNTRL); | |
361 | plxcntrl |= (RESET_9050 + RESET_GAZEL); | |
362 | outl(plxcntrl, addr + PLX_CNTRL); | |
363 | plxcntrl &= ~(RESET_9050 + RESET_GAZEL); | |
364 | HZDELAY(4); | |
365 | outl(plxcntrl, addr + PLX_CNTRL); | |
366 | HZDELAY(10); | |
367 | outb(INT_ISAC_EN + INT_HSCX_EN + INT_PCI_EN, addr + PLX_INCSR); | |
368 | break; | |
369 | case R753: | |
370 | plxcntrl = inl(addr + PLX_CNTRL); | |
371 | plxcntrl |= (RESET_9050 + RESET_GAZEL); | |
372 | outl(plxcntrl, addr + PLX_CNTRL); | |
373 | plxcntrl &= ~(RESET_9050 + RESET_GAZEL); | |
374 | WriteISAC(cs, IPAC_POTA2 - 0x80, 0x20); | |
375 | HZDELAY(4); | |
376 | outl(plxcntrl, addr + PLX_CNTRL); | |
377 | HZDELAY(10); | |
378 | WriteISAC(cs, IPAC_POTA2 - 0x80, 0x00); | |
379 | WriteISAC(cs, IPAC_ACFG - 0x80, 0xff); | |
380 | WriteISAC(cs, IPAC_AOE - 0x80, 0x0); | |
381 | WriteISAC(cs, IPAC_MASK - 0x80, 0xff); | |
382 | WriteISAC(cs, IPAC_CONF - 0x80, 0x1); | |
383 | outb(INT_IPAC_EN + INT_PCI_EN, addr + PLX_INCSR); | |
384 | WriteISAC(cs, IPAC_MASK - 0x80, 0xc0); | |
385 | break; | |
386 | case R742: | |
387 | WriteISAC(cs, IPAC_POTA2 - 0x80, 0x20); | |
388 | HZDELAY(4); | |
389 | WriteISAC(cs, IPAC_POTA2 - 0x80, 0x00); | |
390 | WriteISAC(cs, IPAC_ACFG - 0x80, 0xff); | |
391 | WriteISAC(cs, IPAC_AOE - 0x80, 0x0); | |
392 | WriteISAC(cs, IPAC_MASK - 0x80, 0xff); | |
393 | WriteISAC(cs, IPAC_CONF - 0x80, 0x1); | |
394 | WriteISAC(cs, IPAC_MASK - 0x80, 0xc0); | |
395 | break; | |
1da177e4 LT |
396 | } |
397 | return (0); | |
398 | } | |
399 | ||
400 | static int | |
401 | Gazel_card_msg(struct IsdnCardState *cs, int mt, void *arg) | |
402 | { | |
403 | u_long flags; | |
404 | ||
405 | switch (mt) { | |
475be4d8 JP |
406 | case CARD_RESET: |
407 | spin_lock_irqsave(&cs->lock, flags); | |
408 | reset_gazel(cs); | |
409 | spin_unlock_irqrestore(&cs->lock, flags); | |
410 | return (0); | |
411 | case CARD_RELEASE: | |
412 | release_io_gazel(cs); | |
413 | return (0); | |
414 | case CARD_INIT: | |
415 | spin_lock_irqsave(&cs->lock, flags); | |
416 | inithscxisac(cs, 1); | |
417 | if ((cs->subtyp == R647) || (cs->subtyp == R685)) { | |
418 | int i; | |
419 | for (i = 0; i < (2 + MAX_WAITING_CALLS); i++) { | |
420 | cs->bcs[i].hw.hscx.tsaxr0 = 0x1f; | |
421 | cs->bcs[i].hw.hscx.tsaxr1 = 0x23; | |
1da177e4 | 422 | } |
475be4d8 JP |
423 | } |
424 | spin_unlock_irqrestore(&cs->lock, flags); | |
425 | return (0); | |
426 | case CARD_TEST: | |
427 | return (0); | |
1da177e4 LT |
428 | } |
429 | return (0); | |
430 | } | |
431 | ||
432 | static int | |
433 | reserve_regions(struct IsdnCard *card, struct IsdnCardState *cs) | |
434 | { | |
435 | unsigned int i, j, base = 0, adr = 0, len = 0; | |
436 | ||
437 | switch (cs->subtyp) { | |
475be4d8 JP |
438 | case R647: |
439 | base = cs->hw.gazel.hscx[0]; | |
440 | if (!request_region(adr = (0xC000 + base), len = 1, "gazel")) | |
441 | goto error; | |
442 | for (i = 0x0000; i < 0xC000; i += 0x1000) { | |
443 | if (!request_region(adr = (i + base), len = 16, "gazel")) | |
1da177e4 | 444 | goto error; |
475be4d8 JP |
445 | } |
446 | if (i != 0xC000) { | |
447 | for (j = 0; j < i; j += 0x1000) | |
448 | release_region(j + base, 16); | |
449 | release_region(0xC000 + base, 1); | |
450 | goto error; | |
451 | } | |
452 | break; | |
1da177e4 | 453 | |
475be4d8 JP |
454 | case R685: |
455 | if (!request_region(adr = cs->hw.gazel.hscx[0], len = 0x100, "gazel")) | |
456 | goto error; | |
457 | if (!request_region(adr = cs->hw.gazel.cfg_reg, len = 0x80, "gazel")) { | |
458 | release_region(cs->hw.gazel.hscx[0], 0x100); | |
459 | goto error; | |
460 | } | |
461 | break; | |
1da177e4 | 462 | |
475be4d8 JP |
463 | case R753: |
464 | if (!request_region(adr = cs->hw.gazel.ipac, len = 0x8, "gazel")) | |
465 | goto error; | |
466 | if (!request_region(adr = cs->hw.gazel.cfg_reg, len = 0x80, "gazel")) { | |
467 | release_region(cs->hw.gazel.ipac, 8); | |
468 | goto error; | |
469 | } | |
470 | break; | |
1da177e4 | 471 | |
475be4d8 JP |
472 | case R742: |
473 | if (!request_region(adr = cs->hw.gazel.ipac, len = 0x8, "gazel")) | |
474 | goto error; | |
475 | break; | |
1da177e4 LT |
476 | } |
477 | ||
478 | return 0; | |
479 | ||
475be4d8 | 480 | error: |
8349304d JG |
481 | printk(KERN_WARNING "Gazel: io ports 0x%x-0x%x already in use\n", |
482 | adr, adr + len); | |
1da177e4 LT |
483 | return 1; |
484 | } | |
485 | ||
67eb5db5 | 486 | static int __devinit |
1da177e4 LT |
487 | setup_gazelisa(struct IsdnCard *card, struct IsdnCardState *cs) |
488 | { | |
489 | printk(KERN_INFO "Gazel: ISA PnP card automatic recognition\n"); | |
490 | // we got an irq parameter, assume it is an ISA card | |
491 | // R742 decodes address even in not started... | |
492 | // R647 returns FF if not present or not started | |
493 | // eventually needs improvment | |
494 | if (readreg_ipac(card->para[1], IPAC_ID) == 1) | |
495 | cs->subtyp = R742; | |
496 | else | |
497 | cs->subtyp = R647; | |
498 | ||
499 | setup_isac(cs); | |
500 | cs->hw.gazel.cfg_reg = card->para[1] + 0xC000; | |
501 | cs->hw.gazel.ipac = card->para[1]; | |
502 | cs->hw.gazel.isac = card->para[1] + 0x8000; | |
503 | cs->hw.gazel.hscx[0] = card->para[1]; | |
504 | cs->hw.gazel.hscx[1] = card->para[1] + 0x4000; | |
505 | cs->irq = card->para[0]; | |
506 | cs->hw.gazel.isacfifo = cs->hw.gazel.isac; | |
507 | cs->hw.gazel.hscxfifo[0] = cs->hw.gazel.hscx[0]; | |
508 | cs->hw.gazel.hscxfifo[1] = cs->hw.gazel.hscx[1]; | |
509 | ||
510 | switch (cs->subtyp) { | |
475be4d8 JP |
511 | case R647: |
512 | printk(KERN_INFO "Gazel: Card ISA R647/R648 found\n"); | |
513 | cs->dc.isac.adf2 = 0x87; | |
514 | printk(KERN_INFO | |
515 | "Gazel: config irq:%d isac:0x%X cfg:0x%X\n", | |
516 | cs->irq, cs->hw.gazel.isac, cs->hw.gazel.cfg_reg); | |
517 | printk(KERN_INFO | |
518 | "Gazel: hscx A:0x%X hscx B:0x%X\n", | |
519 | cs->hw.gazel.hscx[0], cs->hw.gazel.hscx[1]); | |
520 | ||
521 | break; | |
522 | case R742: | |
523 | printk(KERN_INFO "Gazel: Card ISA R742 found\n"); | |
524 | test_and_set_bit(HW_IPAC, &cs->HW_Flags); | |
525 | printk(KERN_INFO | |
526 | "Gazel: config irq:%d ipac:0x%X\n", | |
527 | cs->irq, cs->hw.gazel.ipac); | |
528 | break; | |
1da177e4 LT |
529 | } |
530 | ||
531 | return (0); | |
532 | } | |
533 | ||
41a68a74 | 534 | #ifdef CONFIG_PCI |
67eb5db5 | 535 | static struct pci_dev *dev_tel __devinitdata = NULL; |
1da177e4 | 536 | |
67eb5db5 | 537 | static int __devinit |
1da177e4 LT |
538 | setup_gazelpci(struct IsdnCardState *cs) |
539 | { | |
540 | u_int pci_ioaddr0 = 0, pci_ioaddr1 = 0; | |
541 | u_char pci_irq = 0, found; | |
542 | u_int nbseek, seekcard; | |
543 | ||
544 | printk(KERN_WARNING "Gazel: PCI card automatic recognition\n"); | |
545 | ||
546 | found = 0; | |
547 | seekcard = PCI_DEVICE_ID_PLX_R685; | |
49f29915 | 548 | for (nbseek = 0; nbseek < 4; nbseek++) { |
41a68a74 | 549 | if ((dev_tel = hisax_find_pci_device(PCI_VENDOR_ID_PLX, |
475be4d8 | 550 | seekcard, dev_tel))) { |
1da177e4 LT |
551 | if (pci_enable_device(dev_tel)) |
552 | return 1; | |
553 | pci_irq = dev_tel->irq; | |
554 | pci_ioaddr0 = pci_resource_start(dev_tel, 1); | |
555 | pci_ioaddr1 = pci_resource_start(dev_tel, 2); | |
556 | found = 1; | |
557 | } | |
558 | if (found) | |
559 | break; | |
560 | else { | |
561 | switch (seekcard) { | |
475be4d8 JP |
562 | case PCI_DEVICE_ID_PLX_R685: |
563 | seekcard = PCI_DEVICE_ID_PLX_R753; | |
564 | break; | |
565 | case PCI_DEVICE_ID_PLX_R753: | |
566 | seekcard = PCI_DEVICE_ID_PLX_DJINN_ITOO; | |
567 | break; | |
568 | case PCI_DEVICE_ID_PLX_DJINN_ITOO: | |
569 | seekcard = PCI_DEVICE_ID_PLX_OLITEC; | |
570 | break; | |
1da177e4 LT |
571 | } |
572 | } | |
573 | } | |
574 | if (!found) { | |
575 | printk(KERN_WARNING "Gazel: No PCI card found\n"); | |
576 | return (1); | |
577 | } | |
578 | if (!pci_irq) { | |
579 | printk(KERN_WARNING "Gazel: No IRQ for PCI card found\n"); | |
580 | return 1; | |
581 | } | |
582 | cs->hw.gazel.pciaddr[0] = pci_ioaddr0; | |
583 | cs->hw.gazel.pciaddr[1] = pci_ioaddr1; | |
584 | setup_isac(cs); | |
585 | pci_ioaddr1 &= 0xfffe; | |
586 | cs->hw.gazel.cfg_reg = pci_ioaddr0 & 0xfffe; | |
587 | cs->hw.gazel.ipac = pci_ioaddr1; | |
588 | cs->hw.gazel.isac = pci_ioaddr1 + 0x80; | |
589 | cs->hw.gazel.hscx[0] = pci_ioaddr1; | |
590 | cs->hw.gazel.hscx[1] = pci_ioaddr1 + 0x40; | |
591 | cs->hw.gazel.isacfifo = cs->hw.gazel.isac; | |
592 | cs->hw.gazel.hscxfifo[0] = cs->hw.gazel.hscx[0]; | |
593 | cs->hw.gazel.hscxfifo[1] = cs->hw.gazel.hscx[1]; | |
594 | cs->irq = pci_irq; | |
9ba02bec | 595 | cs->irq_flags |= IRQF_SHARED; |
1da177e4 LT |
596 | |
597 | switch (seekcard) { | |
475be4d8 JP |
598 | case PCI_DEVICE_ID_PLX_R685: |
599 | printk(KERN_INFO "Gazel: Card PCI R685 found\n"); | |
600 | cs->subtyp = R685; | |
601 | cs->dc.isac.adf2 = 0x87; | |
602 | printk(KERN_INFO | |
603 | "Gazel: config irq:%d isac:0x%X cfg:0x%X\n", | |
604 | cs->irq, cs->hw.gazel.isac, cs->hw.gazel.cfg_reg); | |
605 | printk(KERN_INFO | |
606 | "Gazel: hscx A:0x%X hscx B:0x%X\n", | |
607 | cs->hw.gazel.hscx[0], cs->hw.gazel.hscx[1]); | |
608 | break; | |
609 | case PCI_DEVICE_ID_PLX_R753: | |
610 | case PCI_DEVICE_ID_PLX_DJINN_ITOO: | |
611 | case PCI_DEVICE_ID_PLX_OLITEC: | |
612 | printk(KERN_INFO "Gazel: Card PCI R753 found\n"); | |
613 | cs->subtyp = R753; | |
614 | test_and_set_bit(HW_IPAC, &cs->HW_Flags); | |
615 | printk(KERN_INFO | |
616 | "Gazel: config irq:%d ipac:0x%X cfg:0x%X\n", | |
617 | cs->irq, cs->hw.gazel.ipac, cs->hw.gazel.cfg_reg); | |
618 | break; | |
1da177e4 LT |
619 | } |
620 | ||
621 | return (0); | |
622 | } | |
41a68a74 | 623 | #endif /* CONFIG_PCI */ |
1da177e4 | 624 | |
67eb5db5 | 625 | int __devinit |
1da177e4 LT |
626 | setup_gazel(struct IsdnCard *card) |
627 | { | |
628 | struct IsdnCardState *cs = card->cs; | |
629 | char tmp[64]; | |
630 | u_char val; | |
631 | ||
632 | strcpy(tmp, gazel_revision); | |
633 | printk(KERN_INFO "Gazel: Driver Revision %s\n", HiSax_getrev(tmp)); | |
634 | ||
635 | if (cs->typ != ISDN_CTYPE_GAZEL) | |
636 | return (0); | |
637 | ||
638 | if (card->para[0]) { | |
639 | if (setup_gazelisa(card, cs)) | |
640 | return (0); | |
641 | } else { | |
642 | ||
41a68a74 | 643 | #ifdef CONFIG_PCI |
1da177e4 LT |
644 | if (setup_gazelpci(cs)) |
645 | return (0); | |
646 | #else | |
647 | printk(KERN_WARNING "Gazel: Card PCI requested and NO_PCI_BIOS, unable to config\n"); | |
648 | return (0); | |
649 | #endif /* CONFIG_PCI */ | |
650 | } | |
651 | ||
652 | if (reserve_regions(card, cs)) { | |
653 | return (0); | |
654 | } | |
655 | if (reset_gazel(cs)) { | |
656 | printk(KERN_WARNING "Gazel: wrong IRQ\n"); | |
657 | release_io_gazel(cs); | |
658 | return (0); | |
659 | } | |
660 | cs->readisac = &ReadISAC; | |
661 | cs->writeisac = &WriteISAC; | |
662 | cs->readisacfifo = &ReadISACfifo; | |
663 | cs->writeisacfifo = &WriteISACfifo; | |
664 | cs->BC_Read_Reg = &ReadHSCX; | |
665 | cs->BC_Write_Reg = &WriteHSCX; | |
666 | cs->BC_Send_Data = &hscx_fill_fifo; | |
667 | cs->cardmsg = &Gazel_card_msg; | |
668 | ||
669 | switch (cs->subtyp) { | |
475be4d8 JP |
670 | case R647: |
671 | case R685: | |
672 | cs->irq_func = &gazel_interrupt; | |
673 | ISACVersion(cs, "Gazel:"); | |
674 | if (HscxVersion(cs, "Gazel:")) { | |
675 | printk(KERN_WARNING | |
676 | "Gazel: wrong HSCX versions check IO address\n"); | |
677 | release_io_gazel(cs); | |
678 | return (0); | |
679 | } | |
680 | break; | |
681 | case R742: | |
682 | case R753: | |
683 | cs->irq_func = &gazel_interrupt_ipac; | |
684 | val = ReadISAC(cs, IPAC_ID - 0x80); | |
685 | printk(KERN_INFO "Gazel: IPAC version %x\n", val); | |
686 | break; | |
1da177e4 LT |
687 | } |
688 | ||
689 | return (1); | |
690 | } |