Pull bugzilla-5653 into release branch
[linux-drm-fsl-dcu.git] / drivers / isdn / hisax / elsa.c
1 /* $Id: elsa.c,v 2.32.2.4 2004/01/24 20:47:21 keil Exp $
2  *
3  * low level stuff for Elsa isdn cards
4  *
5  * Author       Karsten Keil
6  * Copyright    by Karsten Keil      <keil@isdn4linux.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  * For changes and modifications please read
12  * Documentation/isdn/HiSax.cert
13  *
14  * Thanks to    Elsa GmbH for documents and information
15  *
16  *              Klaus Lichtenwalder (Klaus.Lichtenwalder@WebForum.DE)
17  *              for ELSA PCMCIA support
18  *
19  */
20
21 #include <linux/init.h>
22 #include <linux/config.h>
23 #include "hisax.h"
24 #include "arcofi.h"
25 #include "isac.h"
26 #include "ipac.h"
27 #include "hscx.h"
28 #include "isdnl1.h"
29 #include <linux/pci.h>
30 #include <linux/isapnp.h>
31 #include <linux/serial.h>
32 #include <linux/serial_reg.h>
33
34 extern const char *CardType[];
35
36 static const char *Elsa_revision = "$Revision: 2.32.2.4 $";
37 static const char *Elsa_Types[] =
38 {"None", "PC", "PCC-8", "PCC-16", "PCF", "PCF-Pro",
39  "PCMCIA", "QS 1000", "QS 3000", "Microlink PCI", "QS 3000 PCI", 
40  "PCMCIA-IPAC" };
41
42 static const char *ITACVer[] =
43 {"?0?", "?1?", "?2?", "?3?", "?4?", "V2.2",
44  "B1", "A1"};
45
46 #define byteout(addr,val) outb(val,addr)
47 #define bytein(addr) inb(addr)
48
49 #define ELSA_ISAC       0
50 #define ELSA_ISAC_PCM   1
51 #define ELSA_ITAC       1
52 #define ELSA_HSCX       2
53 #define ELSA_ALE        3
54 #define ELSA_ALE_PCM    4
55 #define ELSA_CONTROL    4
56 #define ELSA_CONFIG     5
57 #define ELSA_START_TIMER 6
58 #define ELSA_TRIG_IRQ   7
59
60 #define ELSA_PC      1
61 #define ELSA_PCC8    2
62 #define ELSA_PCC16   3
63 #define ELSA_PCF     4
64 #define ELSA_PCFPRO  5
65 #define ELSA_PCMCIA  6
66 #define ELSA_QS1000  7
67 #define ELSA_QS3000  8
68 #define ELSA_QS1000PCI 9
69 #define ELSA_QS3000PCI 10
70 #define ELSA_PCMCIA_IPAC 11
71
72 /* PCI stuff */
73 #define ELSA_PCI_IRQ_MASK       0x04
74
75 /* ITAC Registeradressen (only Microlink PC) */
76 #define ITAC_SYS        0x34
77 #define ITAC_ISEN       0x48
78 #define ITAC_RFIE       0x4A
79 #define ITAC_XFIE       0x4C
80 #define ITAC_SCIE       0x4E
81 #define ITAC_STIE       0x46
82
83 /***                                                                    ***
84  ***   Makros als Befehle fuer die Kartenregister                       ***
85  ***   (mehrere Befehle werden durch Bit-Oderung kombiniert)            ***
86  ***                                                                    ***/
87
88 /* Config-Register (Read) */
89 #define ELSA_TIMER_RUN       0x02       /* Bit 1 des Config-Reg     */
90 #define ELSA_TIMER_RUN_PCC8  0x01       /* Bit 0 des Config-Reg  bei PCC */
91 #define ELSA_IRQ_IDX       0x38 /* Bit 3,4,5 des Config-Reg */
92 #define ELSA_IRQ_IDX_PCC8  0x30 /* Bit 4,5 des Config-Reg */
93 #define ELSA_IRQ_IDX_PC    0x0c /* Bit 2,3 des Config-Reg */
94
95 /* Control-Register (Write) */
96 #define ELSA_LINE_LED        0x02       /* Bit 1 Gelbe LED */
97 #define ELSA_STAT_LED        0x08       /* Bit 3 Gruene LED */
98 #define ELSA_ISDN_RESET      0x20       /* Bit 5 Reset-Leitung */
99 #define ELSA_ENA_TIMER_INT   0x80       /* Bit 7 Freigabe Timer Interrupt */
100
101 /* ALE-Register (Read) */
102 #define ELSA_HW_RELEASE      0x07       /* Bit 0-2 Hardwarerkennung */
103 #define ELSA_S0_POWER_BAD    0x08       /* Bit 3 S0-Bus Spannung fehlt */
104
105 /* Status Flags */
106 #define ELSA_TIMER_AKTIV 1
107 #define ELSA_BAD_PWR     2
108 #define ELSA_ASSIGN      4
109
110 #define RS_ISR_PASS_LIMIT 256
111 #define FLG_MODEM_ACTIVE 1
112 /* IPAC AUX */
113 #define ELSA_IPAC_LINE_LED      0x40    /* Bit 6 Gelbe LED */
114 #define ELSA_IPAC_STAT_LED      0x80    /* Bit 7 Gruene LED */
115
116 #if ARCOFI_USE
117 static struct arcofi_msg ARCOFI_XOP_F =
118         {NULL,0,2,{0xa1,0x3f,0,0,0,0,0,0,0,0}}; /* Normal OP */
119 static struct arcofi_msg ARCOFI_XOP_1 =
120         {&ARCOFI_XOP_F,0,2,{0xa1,0x31,0,0,0,0,0,0,0,0}}; /* PWR UP */
121 static struct arcofi_msg ARCOFI_SOP_F = 
122         {&ARCOFI_XOP_1,0,10,{0xa1,0x1f,0x00,0x50,0x10,0x00,0x00,0x80,0x02,0x12}};
123 static struct arcofi_msg ARCOFI_COP_9 =
124         {&ARCOFI_SOP_F,0,10,{0xa1,0x29,0x80,0xcb,0xe9,0x88,0x00,0xc8,0xd8,0x80}}; /* RX */
125 static struct arcofi_msg ARCOFI_COP_8 =
126         {&ARCOFI_COP_9,0,10,{0xa1,0x28,0x49,0x31,0x8,0x13,0x6e,0x88,0x2a,0x61}}; /* TX */
127 static struct arcofi_msg ARCOFI_COP_7 =
128         {&ARCOFI_COP_8,0,4,{0xa1,0x27,0x80,0x80,0,0,0,0,0,0}}; /* GZ */
129 static struct arcofi_msg ARCOFI_COP_6 =
130         {&ARCOFI_COP_7,0,6,{0xa1,0x26,0,0,0x82,0x7c,0,0,0,0}}; /* GRL GRH */
131 static struct arcofi_msg ARCOFI_COP_5 =
132         {&ARCOFI_COP_6,0,4,{0xa1,0x25,0xbb,0x4a,0,0,0,0,0,0}}; /* GTX */
133 static struct arcofi_msg ARCOFI_VERSION =
134         {NULL,1,2,{0xa0,0,0,0,0,0,0,0,0,0}};
135 static struct arcofi_msg ARCOFI_XOP_0 =
136         {NULL,0,2,{0xa1,0x30,0,0,0,0,0,0,0,0}}; /* PWR Down */
137
138 static void set_arcofi(struct IsdnCardState *cs, int bc);
139
140 #include "elsa_ser.c"
141 #endif /* ARCOFI_USE */
142
143 static inline u_char
144 readreg(unsigned int ale, unsigned int adr, u_char off)
145 {
146         register u_char ret;
147
148         byteout(ale, off);
149         ret = bytein(adr);
150         return (ret);
151 }
152
153 static inline void
154 readfifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
155 {
156         byteout(ale, off);
157         insb(adr, data, size);
158 }
159
160
161 static inline void
162 writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
163 {
164         byteout(ale, off);
165         byteout(adr, data);
166 }
167
168 static inline void
169 writefifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
170 {
171         byteout(ale, off);
172         outsb(adr, data, size);
173 }
174
175 /* Interface functions */
176
177 static u_char
178 ReadISAC(struct IsdnCardState *cs, u_char offset)
179 {
180         return (readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset));
181 }
182
183 static void
184 WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
185 {
186         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset, value);
187 }
188
189 static void
190 ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size)
191 {
192         readfifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0, data, size);
193 }
194
195 static void
196 WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size)
197 {
198         writefifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0, data, size);
199 }
200
201 static u_char
202 ReadISAC_IPAC(struct IsdnCardState *cs, u_char offset)
203 {
204         return (readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset+0x80));
205 }
206
207 static void
208 WriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value)
209 {
210         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset|0x80, value);
211 }
212
213 static void
214 ReadISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size)
215 {
216         readfifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0x80, data, size);
217 }
218
219 static void
220 WriteISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size)
221 {
222         writefifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0x80, data, size);
223 }
224
225 static u_char
226 ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
227 {
228         return (readreg(cs->hw.elsa.ale,
229                         cs->hw.elsa.hscx, offset + (hscx ? 0x40 : 0)));
230 }
231
232 static void
233 WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
234 {
235         writereg(cs->hw.elsa.ale,
236                  cs->hw.elsa.hscx, offset + (hscx ? 0x40 : 0), value);
237 }
238
239 static inline u_char
240 readitac(struct IsdnCardState *cs, u_char off)
241 {
242         register u_char ret;
243
244         byteout(cs->hw.elsa.ale, off);
245         ret = bytein(cs->hw.elsa.itac);
246         return (ret);
247 }
248
249 static inline void
250 writeitac(struct IsdnCardState *cs, u_char off, u_char data)
251 {
252         byteout(cs->hw.elsa.ale, off);
253         byteout(cs->hw.elsa.itac, data);
254 }
255
256 static inline int
257 TimerRun(struct IsdnCardState *cs)
258 {
259         register u_char v;
260
261         v = bytein(cs->hw.elsa.cfg);
262         if ((cs->subtyp == ELSA_QS1000) || (cs->subtyp == ELSA_QS3000))
263                 return (0 == (v & ELSA_TIMER_RUN));
264         else if (cs->subtyp == ELSA_PCC8)
265                 return (v & ELSA_TIMER_RUN_PCC8);
266         return (v & ELSA_TIMER_RUN);
267 }
268 /*
269  * fast interrupt HSCX stuff goes here
270  */
271
272 #define READHSCX(cs, nr, reg) readreg(cs->hw.elsa.ale, \
273                 cs->hw.elsa.hscx, reg + (nr ? 0x40 : 0))
274 #define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.elsa.ale, \
275                 cs->hw.elsa.hscx, reg + (nr ? 0x40 : 0), data)
276
277 #define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.elsa.ale, \
278                 cs->hw.elsa.hscx, (nr ? 0x40 : 0), ptr, cnt)
279
280 #define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.elsa.ale, \
281                 cs->hw.elsa.hscx, (nr ? 0x40 : 0), ptr, cnt)
282
283 #include "hscx_irq.c"
284
285 static irqreturn_t
286 elsa_interrupt(int intno, void *dev_id, struct pt_regs *regs)
287 {
288         struct IsdnCardState *cs = dev_id;
289         u_long flags;
290         u_char val;
291         int icnt=5;
292
293         if ((cs->typ == ISDN_CTYPE_ELSA_PCMCIA) && (*cs->busy_flag == 1)) {
294         /* The card tends to generate interrupts while being removed
295            causing us to just crash the kernel. bad. */
296                 printk(KERN_WARNING "Elsa: card not available!\n");
297                 return IRQ_NONE;
298         }
299         spin_lock_irqsave(&cs->lock, flags);
300 #if ARCOFI_USE
301         if (cs->hw.elsa.MFlag) {
302                 val = serial_inp(cs, UART_IIR);
303                 if (!(val & UART_IIR_NO_INT)) {
304                         debugl1(cs,"IIR %02x", val);
305                         rs_interrupt_elsa(intno, cs);
306                 }
307         }
308 #endif
309         val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40);
310       Start_HSCX:
311         if (val) {
312                 hscx_int_main(cs, val);
313         }
314         val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA);
315       Start_ISAC:
316         if (val) {
317                 isac_interrupt(cs, val);
318         }
319         val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40);
320         if (val && icnt) {
321                 if (cs->debug & L1_DEB_HSCX)
322                         debugl1(cs, "HSCX IntStat after IntRoutine");
323                 icnt--;
324                 goto Start_HSCX;
325         }
326         val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA);
327         if (val && icnt) {
328                 if (cs->debug & L1_DEB_ISAC)
329                         debugl1(cs, "ISAC IntStat after IntRoutine");
330                 icnt--;
331                 goto Start_ISAC;
332         }
333         if (!icnt)
334                 printk(KERN_WARNING"ELSA IRQ LOOP\n");
335         writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK, 0xFF);
336         writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK + 0x40, 0xFF);
337         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_MASK, 0xFF);
338         if (cs->hw.elsa.status & ELSA_TIMER_AKTIV) {
339                 if (!TimerRun(cs)) {
340                         /* Timer Restart */
341                         byteout(cs->hw.elsa.timer, 0);
342                         cs->hw.elsa.counter++;
343                 }
344         }
345 #if ARCOFI_USE
346         if (cs->hw.elsa.MFlag) {
347                 val = serial_inp(cs, UART_MCR);
348                 val ^= 0x8;
349                 serial_outp(cs, UART_MCR, val);
350                 val = serial_inp(cs, UART_MCR);
351                 val ^= 0x8;
352                 serial_outp(cs, UART_MCR, val);
353         }
354 #endif
355         if (cs->hw.elsa.trig)
356                 byteout(cs->hw.elsa.trig, 0x00);
357         writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK, 0x0);
358         writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK + 0x40, 0x0);
359         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_MASK, 0x0);
360         spin_unlock_irqrestore(&cs->lock, flags);
361         return IRQ_HANDLED;
362 }
363
364 static irqreturn_t
365 elsa_interrupt_ipac(int intno, void *dev_id, struct pt_regs *regs)
366 {
367         struct IsdnCardState *cs = dev_id;
368         u_long flags;
369         u_char ista,val;
370         int icnt=5;
371
372         spin_lock_irqsave(&cs->lock, flags);
373         if (cs->subtyp == ELSA_QS1000PCI || cs->subtyp == ELSA_QS3000PCI) {
374                 val = bytein(cs->hw.elsa.cfg + 0x4c); /* PCI IRQ */
375                 if (!(val & ELSA_PCI_IRQ_MASK)) {
376                         spin_unlock_irqrestore(&cs->lock, flags);
377                         return IRQ_NONE;
378                 }
379         }
380 #if ARCOFI_USE
381         if (cs->hw.elsa.MFlag) {
382                 val = serial_inp(cs, UART_IIR);
383                 if (!(val & UART_IIR_NO_INT)) {
384                         debugl1(cs,"IIR %02x", val);
385                         rs_interrupt_elsa(intno, cs);
386                 }
387         }
388 #endif
389         ista = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ISTA);
390 Start_IPAC:
391         if (cs->debug & L1_DEB_IPAC)
392                 debugl1(cs, "IPAC ISTA %02X", ista);
393         if (ista & 0x0f) {
394                 val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40);
395                 if (ista & 0x01)
396                         val |= 0x01;
397                 if (ista & 0x04)
398                         val |= 0x02;
399                 if (ista & 0x08)
400                         val |= 0x04;
401                 if (val)
402                         hscx_int_main(cs, val);
403         }
404         if (ista & 0x20) {
405                 val = 0xfe & readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA + 0x80);
406                 if (val) {
407                         isac_interrupt(cs, val);
408                 }
409         }
410         if (ista & 0x10) {
411                 val = 0x01;
412                 isac_interrupt(cs, val);
413         }
414         ista  = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ISTA);
415         if ((ista & 0x3f) && icnt) {
416                 icnt--;
417                 goto Start_IPAC;
418         }
419         if (!icnt)
420                 printk(KERN_WARNING "ELSA IRQ LOOP\n");
421         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xFF);
422         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xC0);
423         spin_unlock_irqrestore(&cs->lock, flags);
424         return IRQ_HANDLED;
425 }
426
427 static void
428 release_io_elsa(struct IsdnCardState *cs)
429 {
430         int bytecnt = 8;
431
432         del_timer(&cs->hw.elsa.tl);
433 #if ARCOFI_USE
434         clear_arcofi(cs);
435 #endif
436         if (cs->hw.elsa.ctrl)
437                 byteout(cs->hw.elsa.ctrl, 0);   /* LEDs Out */
438         if (cs->subtyp == ELSA_QS1000PCI) {
439                 byteout(cs->hw.elsa.cfg + 0x4c, 0x01);  /* disable IRQ */
440                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
441                 bytecnt = 2;
442                 release_region(cs->hw.elsa.cfg, 0x80);
443         }
444         if (cs->subtyp == ELSA_QS3000PCI) {
445                 byteout(cs->hw.elsa.cfg + 0x4c, 0x03); /* disable ELSA PCI IRQ */
446                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
447                 release_region(cs->hw.elsa.cfg, 0x80);
448         }
449         if (cs->subtyp == ELSA_PCMCIA_IPAC) {
450                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
451         }
452         if ((cs->subtyp == ELSA_PCFPRO) ||
453                 (cs->subtyp == ELSA_QS3000) ||
454                 (cs->subtyp == ELSA_PCF) ||
455                 (cs->subtyp == ELSA_QS3000PCI)) {
456                 bytecnt = 16;
457 #if ARCOFI_USE
458                 release_modem(cs);
459 #endif
460         }
461         if (cs->hw.elsa.base)
462                 release_region(cs->hw.elsa.base, bytecnt);
463 }
464
465 static void
466 reset_elsa(struct IsdnCardState *cs)
467 {
468         if (cs->hw.elsa.timer) {
469                 /* Wait 1 Timer */
470                 byteout(cs->hw.elsa.timer, 0);
471                 while (TimerRun(cs));
472                 cs->hw.elsa.ctrl_reg |= 0x50;
473                 cs->hw.elsa.ctrl_reg &= ~ELSA_ISDN_RESET;       /* Reset On */
474                 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
475                 /* Wait 1 Timer */
476                 byteout(cs->hw.elsa.timer, 0);
477                 while (TimerRun(cs));
478                 cs->hw.elsa.ctrl_reg |= ELSA_ISDN_RESET;        /* Reset Off */
479                 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
480                 /* Wait 1 Timer */
481                 byteout(cs->hw.elsa.timer, 0);
482                 while (TimerRun(cs));
483                 if (cs->hw.elsa.trig)
484                         byteout(cs->hw.elsa.trig, 0xff);
485         }
486         if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI) || (cs->subtyp == ELSA_PCMCIA_IPAC)) {
487                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_POTA2, 0x20);
488                 mdelay(10);
489                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_POTA2, 0x00);
490                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xc0);
491                 mdelay(10);
492                 if (cs->subtyp != ELSA_PCMCIA_IPAC) {
493                         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ACFG, 0x0);
494                         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_AOE, 0x3c);
495                 } else {
496                         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_PCFG, 0x10);
497                         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ACFG, 0x4);
498                         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_AOE, 0xf8);
499                 }
500                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
501                 if (cs->subtyp == ELSA_QS1000PCI)
502                         byteout(cs->hw.elsa.cfg + 0x4c, 0x41); /* enable ELSA PCI IRQ */
503                 else if (cs->subtyp == ELSA_QS3000PCI)
504                         byteout(cs->hw.elsa.cfg + 0x4c, 0x43); /* enable ELSA PCI IRQ */
505         }
506 }
507
508 #if ARCOFI_USE
509
510 static void
511 set_arcofi(struct IsdnCardState *cs, int bc) {
512         cs->dc.isac.arcofi_bc = bc;
513         arcofi_fsm(cs, ARCOFI_START, &ARCOFI_COP_5);
514         interruptible_sleep_on(&cs->dc.isac.arcofi_wait);
515 }
516
517 static int
518 check_arcofi(struct IsdnCardState *cs)
519 {
520         int arcofi_present = 0;
521         char tmp[40];
522         char *t;
523         u_char *p;
524
525         if (!cs->dc.isac.mon_tx)
526                 if (!(cs->dc.isac.mon_tx=kmalloc(MAX_MON_FRAME, GFP_ATOMIC))) {
527                         if (cs->debug & L1_DEB_WARN)
528                                 debugl1(cs, "ISAC MON TX out of buffers!");
529                         return(0);
530                 }
531         cs->dc.isac.arcofi_bc = 0;
532         arcofi_fsm(cs, ARCOFI_START, &ARCOFI_VERSION);
533         interruptible_sleep_on(&cs->dc.isac.arcofi_wait);
534         if (!test_and_clear_bit(FLG_ARCOFI_ERROR, &cs->HW_Flags)) {
535                         debugl1(cs, "Arcofi response received %d bytes", cs->dc.isac.mon_rxp);
536                         p = cs->dc.isac.mon_rx;
537                         t = tmp;
538                         t += sprintf(tmp, "Arcofi data");
539                         QuickHex(t, p, cs->dc.isac.mon_rxp);
540                         debugl1(cs, tmp);
541                         if ((cs->dc.isac.mon_rxp == 2) && (cs->dc.isac.mon_rx[0] == 0xa0)) {
542                                 switch(cs->dc.isac.mon_rx[1]) {
543                                         case 0x80:
544                                                 debugl1(cs, "Arcofi 2160 detected");
545                                                 arcofi_present = 1;
546                                                 break;
547                                         case 0x82:
548                                                 debugl1(cs, "Arcofi 2165 detected");
549                                                 arcofi_present = 2;
550                                                 break;
551                                         case 0x84:
552                                                 debugl1(cs, "Arcofi 2163 detected");
553                                                 arcofi_present = 3;
554                                                 break;
555                                         default:
556                                                 debugl1(cs, "unknown Arcofi response");
557                                                 break;
558                                 }
559                         } else
560                                 debugl1(cs, "undefined Monitor response");
561                         cs->dc.isac.mon_rxp = 0;
562         } else if (cs->dc.isac.mon_tx) {
563                 debugl1(cs, "Arcofi not detected");
564         }
565         if (arcofi_present) {
566                 if (cs->subtyp==ELSA_QS1000) {
567                         cs->subtyp = ELSA_QS3000;
568                         printk(KERN_INFO
569                                 "Elsa: %s detected modem at 0x%lx\n",
570                                 Elsa_Types[cs->subtyp],
571                                 cs->hw.elsa.base+8);
572                         release_region(cs->hw.elsa.base, 8);
573                         if (!request_region(cs->hw.elsa.base, 16, "elsa isdn modem")) {
574                                 printk(KERN_WARNING
575                                         "HiSax: %s config port %lx-%lx already in use\n",
576                                         Elsa_Types[cs->subtyp],
577                                         cs->hw.elsa.base + 8,
578                                         cs->hw.elsa.base + 16);
579                         }
580                 } else if (cs->subtyp==ELSA_PCC16) {
581                         cs->subtyp = ELSA_PCF;
582                         printk(KERN_INFO
583                                 "Elsa: %s detected modem at 0x%lx\n",
584                                 Elsa_Types[cs->subtyp],
585                                 cs->hw.elsa.base+8);
586                         release_region(cs->hw.elsa.base, 8);
587                         if (!request_region(cs->hw.elsa.base, 16, "elsa isdn modem")) {
588                                 printk(KERN_WARNING
589                                         "HiSax: %s config port %lx-%lx already in use\n",
590                                         Elsa_Types[cs->subtyp],
591                                         cs->hw.elsa.base + 8,
592                                         cs->hw.elsa.base + 16);
593                         }
594                 } else
595                         printk(KERN_INFO
596                                 "Elsa: %s detected modem at 0x%lx\n",
597                                 Elsa_Types[cs->subtyp],
598                                 cs->hw.elsa.base+8);
599                 arcofi_fsm(cs, ARCOFI_START, &ARCOFI_XOP_0);
600                 interruptible_sleep_on(&cs->dc.isac.arcofi_wait);
601                 return(1);
602         }
603         return(0);
604 }
605 #endif /* ARCOFI_USE */
606
607 static void
608 elsa_led_handler(struct IsdnCardState *cs)
609 {
610         int blink = 0;
611
612         if (cs->subtyp == ELSA_PCMCIA || cs->subtyp == ELSA_PCMCIA_IPAC)
613                 return;
614         del_timer(&cs->hw.elsa.tl);
615         if (cs->hw.elsa.status & ELSA_ASSIGN)
616                 cs->hw.elsa.ctrl_reg |= ELSA_STAT_LED;
617         else if (cs->hw.elsa.status & ELSA_BAD_PWR)
618                 cs->hw.elsa.ctrl_reg &= ~ELSA_STAT_LED;
619         else {
620                 cs->hw.elsa.ctrl_reg ^= ELSA_STAT_LED;
621                 blink = 250;
622         }
623         if (cs->hw.elsa.status & 0xf000)
624                 cs->hw.elsa.ctrl_reg |= ELSA_LINE_LED;
625         else if (cs->hw.elsa.status & 0x0f00) {
626                 cs->hw.elsa.ctrl_reg ^= ELSA_LINE_LED;
627                 blink = 500;
628         } else
629                 cs->hw.elsa.ctrl_reg &= ~ELSA_LINE_LED;
630
631         if ((cs->subtyp == ELSA_QS1000PCI) ||
632                 (cs->subtyp == ELSA_QS3000PCI)) {
633                 u_char led = 0xff;
634                 if (cs->hw.elsa.ctrl_reg & ELSA_LINE_LED)
635                         led ^= ELSA_IPAC_LINE_LED;
636                 if (cs->hw.elsa.ctrl_reg & ELSA_STAT_LED)
637                         led ^= ELSA_IPAC_STAT_LED;
638                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, led);
639         } else
640                 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
641         if (blink) {
642                 init_timer(&cs->hw.elsa.tl);
643                 cs->hw.elsa.tl.expires = jiffies + ((blink * HZ) / 1000);
644                 add_timer(&cs->hw.elsa.tl);
645         }
646 }
647
648 static int
649 Elsa_card_msg(struct IsdnCardState *cs, int mt, void *arg)
650 {
651         int ret = 0;
652         u_long flags;
653
654         switch (mt) {
655                 case CARD_RESET:
656                         spin_lock_irqsave(&cs->lock, flags);
657                         reset_elsa(cs);
658                         spin_unlock_irqrestore(&cs->lock, flags);
659                         return(0);
660                 case CARD_RELEASE:
661                         release_io_elsa(cs);
662                         return(0);
663                 case CARD_INIT:
664                         spin_lock_irqsave(&cs->lock, flags);
665                         cs->debug |= L1_DEB_IPAC;
666                         reset_elsa(cs);
667                         inithscxisac(cs, 1);
668                         if ((cs->subtyp == ELSA_QS1000) ||
669                             (cs->subtyp == ELSA_QS3000))
670                         {
671                                 byteout(cs->hw.elsa.timer, 0);
672                         }
673                         if (cs->hw.elsa.trig)
674                                 byteout(cs->hw.elsa.trig, 0xff);
675                         inithscxisac(cs, 2);
676                         spin_unlock_irqrestore(&cs->lock, flags);
677                         return(0);
678                 case CARD_TEST:
679                         if ((cs->subtyp == ELSA_PCMCIA) ||
680                                 (cs->subtyp == ELSA_PCMCIA_IPAC) ||
681                                 (cs->subtyp == ELSA_QS1000PCI)) {
682                                 return(0);
683                         } else if (cs->subtyp == ELSA_QS3000PCI) {
684                                 ret = 0;
685                         } else {
686                                 spin_lock_irqsave(&cs->lock, flags);
687                                 cs->hw.elsa.counter = 0;
688                                 cs->hw.elsa.ctrl_reg |= ELSA_ENA_TIMER_INT;
689                                 cs->hw.elsa.status |= ELSA_TIMER_AKTIV;
690                                 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
691                                 byteout(cs->hw.elsa.timer, 0);
692                                 spin_unlock_irqrestore(&cs->lock, flags);
693                                 msleep(110);
694                                 spin_lock_irqsave(&cs->lock, flags);
695                                 cs->hw.elsa.ctrl_reg &= ~ELSA_ENA_TIMER_INT;
696                                 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
697                                 cs->hw.elsa.status &= ~ELSA_TIMER_AKTIV;
698                                 spin_unlock_irqrestore(&cs->lock, flags);
699                                 printk(KERN_INFO "Elsa: %d timer tics in 110 msek\n",
700                                        cs->hw.elsa.counter);
701                                 if ((cs->hw.elsa.counter > 10) &&
702                                         (cs->hw.elsa.counter < 16)) {
703                                         printk(KERN_INFO "Elsa: timer and irq OK\n");
704                                         ret = 0;
705                                 } else {
706                                         printk(KERN_WARNING
707                                                "Elsa: timer tic problem (%d/12) maybe an IRQ(%d) conflict\n",
708                                                cs->hw.elsa.counter, cs->irq);
709                                         ret = 1;
710                                 }
711                         }
712 #if ARCOFI_USE
713                         if (check_arcofi(cs)) {
714                                 init_modem(cs);
715                         }
716 #endif
717                         elsa_led_handler(cs);
718                         return(ret);
719                 case (MDL_REMOVE | REQUEST):
720                         cs->hw.elsa.status &= 0;
721                         break;
722                 case (MDL_ASSIGN | REQUEST):
723                         cs->hw.elsa.status |= ELSA_ASSIGN;
724                         break;
725                 case MDL_INFO_SETUP:
726                         if ((long) arg)
727                                 cs->hw.elsa.status |= 0x0200;
728                         else
729                                 cs->hw.elsa.status |= 0x0100;
730                         break;
731                 case MDL_INFO_CONN:
732                         if ((long) arg)
733                                 cs->hw.elsa.status |= 0x2000;
734                         else
735                                 cs->hw.elsa.status |= 0x1000;
736                         break;
737                 case MDL_INFO_REL:
738                         if ((long) arg) {
739                                 cs->hw.elsa.status &= ~0x2000;
740                                 cs->hw.elsa.status &= ~0x0200;
741                         } else {
742                                 cs->hw.elsa.status &= ~0x1000;
743                                 cs->hw.elsa.status &= ~0x0100;
744                         }
745                         break;
746 #if ARCOFI_USE
747                 case CARD_AUX_IND:
748                         if (cs->hw.elsa.MFlag) {
749                                 int len;
750                                 u_char *msg;
751
752                                 if (!arg)
753                                         return(0);
754                                 msg = arg;
755                                 len = *msg;
756                                 msg++;
757                                 modem_write_cmd(cs, msg, len);
758                         }
759                         break;
760 #endif
761         }
762         if (cs->typ == ISDN_CTYPE_ELSA) {
763                 int pwr = bytein(cs->hw.elsa.ale);
764                 if (pwr & 0x08)
765                         cs->hw.elsa.status |= ELSA_BAD_PWR;
766                 else
767                         cs->hw.elsa.status &= ~ELSA_BAD_PWR;
768         }
769         elsa_led_handler(cs);
770         return(ret);
771 }
772
773 static unsigned char
774 probe_elsa_adr(unsigned int adr, int typ)
775 {
776         int i, in1, in2, p16_1 = 0, p16_2 = 0, p8_1 = 0, p8_2 = 0, pc_1 = 0,
777          pc_2 = 0, pfp_1 = 0, pfp_2 = 0;
778
779         /* In case of the elsa pcmcia card, this region is in use,
780            reserved for us by the card manager. So we do not check it
781            here, it would fail. */
782         if (typ != ISDN_CTYPE_ELSA_PCMCIA) {
783                 if (request_region(adr, 8, "elsa card")) {
784                         release_region(adr, 8);
785                 } else {
786                         printk(KERN_WARNING
787                                "Elsa: Probing Port 0x%x: already in use\n", adr);
788                         return (0);
789                 }
790         }
791         for (i = 0; i < 16; i++) {
792                 in1 = inb(adr + ELSA_CONFIG);   /* 'toggelt' bei */
793                 in2 = inb(adr + ELSA_CONFIG);   /* jedem Zugriff */
794                 p16_1 += 0x04 & in1;
795                 p16_2 += 0x04 & in2;
796                 p8_1 += 0x02 & in1;
797                 p8_2 += 0x02 & in2;
798                 pc_1 += 0x01 & in1;
799                 pc_2 += 0x01 & in2;
800                 pfp_1 += 0x40 & in1;
801                 pfp_2 += 0x40 & in2;
802         }
803         printk(KERN_INFO "Elsa: Probing IO 0x%x", adr);
804         if (65 == ++p16_1 * ++p16_2) {
805                 printk(" PCC-16/PCF found\n");
806                 return (ELSA_PCC16);
807         } else if (1025 == ++pfp_1 * ++pfp_2) {
808                 printk(" PCF-Pro found\n");
809                 return (ELSA_PCFPRO);
810         } else if (33 == ++p8_1 * ++p8_2) {
811                 printk(" PCC8 found\n");
812                 return (ELSA_PCC8);
813         } else if (17 == ++pc_1 * ++pc_2) {
814                 printk(" PC found\n");
815                 return (ELSA_PC);
816         } else {
817                 printk(" failed\n");
818                 return (0);
819         }
820 }
821
822 static unsigned int
823 probe_elsa(struct IsdnCardState *cs)
824 {
825         int i;
826         unsigned int CARD_portlist[] =
827         {0x160, 0x170, 0x260, 0x360, 0};
828
829         for (i = 0; CARD_portlist[i]; i++) {
830                 if ((cs->subtyp = probe_elsa_adr(CARD_portlist[i], cs->typ)))
831                         break;
832         }
833         return (CARD_portlist[i]);
834 }
835
836 static  struct pci_dev *dev_qs1000 __devinitdata = NULL;
837 static  struct pci_dev *dev_qs3000 __devinitdata = NULL;
838
839 #ifdef __ISAPNP__
840 static struct isapnp_device_id elsa_ids[] __devinitdata = {
841         { ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0133),
842           ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0133), 
843           (unsigned long) "Elsa QS1000" },
844         { ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0134),
845           ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0134), 
846           (unsigned long) "Elsa QS3000" },
847         { 0, }
848 };
849
850 static struct isapnp_device_id *ipid __devinitdata = &elsa_ids[0];
851 static struct pnp_card *pnp_c __devinitdata = NULL;
852 #endif
853
854 int __devinit
855 setup_elsa(struct IsdnCard *card)
856 {
857         int bytecnt;
858         u_char val;
859         struct IsdnCardState *cs = card->cs;
860         char tmp[64];
861
862         strcpy(tmp, Elsa_revision);
863         printk(KERN_INFO "HiSax: Elsa driver Rev. %s\n", HiSax_getrev(tmp));
864         cs->hw.elsa.ctrl_reg = 0;
865         cs->hw.elsa.status = 0;
866         cs->hw.elsa.MFlag = 0;
867         cs->subtyp = 0;
868         if (cs->typ == ISDN_CTYPE_ELSA) {
869                 cs->hw.elsa.base = card->para[0];
870                 printk(KERN_INFO "Elsa: Microlink IO probing\n");
871                 if (cs->hw.elsa.base) {
872                         if (!(cs->subtyp = probe_elsa_adr(cs->hw.elsa.base,
873                                                           cs->typ))) {
874                                 printk(KERN_WARNING
875                                        "Elsa: no Elsa Microlink at %#lx\n",
876                                        cs->hw.elsa.base);
877                                 return (0);
878                         }
879                 } else
880                         cs->hw.elsa.base = probe_elsa(cs);
881                 if (cs->hw.elsa.base) {
882                         cs->hw.elsa.cfg = cs->hw.elsa.base + ELSA_CONFIG;
883                         cs->hw.elsa.ctrl = cs->hw.elsa.base + ELSA_CONTROL;
884                         cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE;
885                         cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC;
886                         cs->hw.elsa.itac = cs->hw.elsa.base + ELSA_ITAC;
887                         cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
888                         cs->hw.elsa.trig = cs->hw.elsa.base + ELSA_TRIG_IRQ;
889                         cs->hw.elsa.timer = cs->hw.elsa.base + ELSA_START_TIMER;
890                         val = bytein(cs->hw.elsa.cfg);
891                         if (cs->subtyp == ELSA_PC) {
892                                 const u_char CARD_IrqTab[8] =
893                                 {7, 3, 5, 9, 0, 0, 0, 0};
894                                 cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX_PC) >> 2];
895                         } else if (cs->subtyp == ELSA_PCC8) {
896                                 const u_char CARD_IrqTab[8] =
897                                 {7, 3, 5, 9, 0, 0, 0, 0};
898                                 cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX_PCC8) >> 4];
899                         } else {
900                                 const u_char CARD_IrqTab[8] =
901                                 {15, 10, 15, 3, 11, 5, 11, 9};
902                                 cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX) >> 3];
903                         }
904                         val = bytein(cs->hw.elsa.ale) & ELSA_HW_RELEASE;
905                         if (val < 3)
906                                 val |= 8;
907                         val += 'A' - 3;
908                         if (val == 'B' || val == 'C')
909                                 val ^= 1;
910                         if ((cs->subtyp == ELSA_PCFPRO) && (val = 'G'))
911                                 val = 'C';
912                         printk(KERN_INFO
913                                "Elsa: %s found at %#lx Rev.:%c IRQ %d\n",
914                                Elsa_Types[cs->subtyp],
915                                cs->hw.elsa.base,
916                                val, cs->irq);
917                         val = bytein(cs->hw.elsa.ale) & ELSA_S0_POWER_BAD;
918                         if (val) {
919                                 printk(KERN_WARNING
920                                    "Elsa: Microlink S0 bus power bad\n");
921                                 cs->hw.elsa.status |= ELSA_BAD_PWR;
922                         }
923                 } else {
924                         printk(KERN_WARNING
925                                "No Elsa Microlink found\n");
926                         return (0);
927                 }
928         } else if (cs->typ == ISDN_CTYPE_ELSA_PNP) {
929 #ifdef __ISAPNP__
930                 if (!card->para[1] && isapnp_present()) {
931                         struct pnp_dev *pnp_d;
932                         while(ipid->card_vendor) {
933                                 if ((pnp_c = pnp_find_card(ipid->card_vendor,
934                                         ipid->card_device, pnp_c))) {
935                                         pnp_d = NULL;
936                                         if ((pnp_d = pnp_find_dev(pnp_c,
937                                                 ipid->vendor, ipid->function, pnp_d))) {
938                                                 int err;
939
940                                                 printk(KERN_INFO "HiSax: %s detected\n",
941                                                         (char *)ipid->driver_data);
942                                                 pnp_disable_dev(pnp_d);
943                                                 err = pnp_activate_dev(pnp_d);
944                                                 if (err<0) {
945                                                         printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
946                                                                 __FUNCTION__, err);
947                                                         return(0);
948                                                 }
949                                                 card->para[1] = pnp_port_start(pnp_d, 0);
950                                                 card->para[0] = pnp_irq(pnp_d, 0);
951
952                                                 if (!card->para[0] || !card->para[1]) {
953                                                         printk(KERN_ERR "Elsa PnP:some resources are missing %ld/%lx\n",
954                                                                 card->para[0], card->para[1]);
955                                                         pnp_disable_dev(pnp_d);
956                                                         return(0);
957                                                 }
958                                                 if (ipid->function == ISAPNP_FUNCTION(0x133))
959                                                         cs->subtyp = ELSA_QS1000;
960                                                 else
961                                                         cs->subtyp = ELSA_QS3000;
962                                                 break;
963                                         } else {
964                                                 printk(KERN_ERR "Elsa PnP: PnP error card found, no device\n");
965                                                 return(0);
966                                         }
967                                 }
968                                 ipid++;
969                                 pnp_c=NULL;
970                         } 
971                         if (!ipid->card_vendor) {
972                                 printk(KERN_INFO "Elsa PnP: no ISAPnP card found\n");
973                                 return(0);
974                         }
975                 }
976 #endif
977                 if (card->para[1] && card->para[0]) { 
978                         cs->hw.elsa.base = card->para[1];
979                         cs->irq = card->para[0];
980                         if (!cs->subtyp)
981                                 cs->subtyp = ELSA_QS1000;
982                 } else {
983                         printk(KERN_ERR "Elsa PnP: no parameter\n");
984                 }
985                 cs->hw.elsa.cfg = cs->hw.elsa.base + ELSA_CONFIG;
986                 cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE;
987                 cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC;
988                 cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
989                 cs->hw.elsa.trig = cs->hw.elsa.base + ELSA_TRIG_IRQ;
990                 cs->hw.elsa.timer = cs->hw.elsa.base + ELSA_START_TIMER;
991                 cs->hw.elsa.ctrl = cs->hw.elsa.base + ELSA_CONTROL;
992                 printk(KERN_INFO
993                        "Elsa: %s defined at %#lx IRQ %d\n",
994                        Elsa_Types[cs->subtyp],
995                        cs->hw.elsa.base,
996                        cs->irq);
997         } else if (cs->typ == ISDN_CTYPE_ELSA_PCMCIA) {
998                 cs->hw.elsa.base = card->para[1];
999                 cs->irq = card->para[0];
1000                 val = readreg(cs->hw.elsa.base + 0, cs->hw.elsa.base + 2, IPAC_ID);
1001                 if ((val == 1) || (val == 2)) { /* IPAC version 1.1/1.2 */
1002                         cs->subtyp = ELSA_PCMCIA_IPAC;
1003                         cs->hw.elsa.ale = cs->hw.elsa.base + 0;
1004                         cs->hw.elsa.isac = cs->hw.elsa.base + 2;
1005                         cs->hw.elsa.hscx = cs->hw.elsa.base + 2;
1006                         test_and_set_bit(HW_IPAC, &cs->HW_Flags);
1007                 } else {
1008                         cs->subtyp = ELSA_PCMCIA;
1009                         cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE_PCM;
1010                         cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC_PCM;
1011                         cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
1012                 }
1013                 cs->hw.elsa.timer = 0;
1014                 cs->hw.elsa.trig = 0;
1015                 cs->hw.elsa.ctrl = 0;
1016                 cs->irq_flags |= SA_SHIRQ;
1017                 printk(KERN_INFO
1018                        "Elsa: %s defined at %#lx IRQ %d\n",
1019                        Elsa_Types[cs->subtyp],
1020                        cs->hw.elsa.base,
1021                        cs->irq);
1022         } else if (cs->typ == ISDN_CTYPE_ELSA_PCI) {
1023 #ifdef CONFIG_PCI
1024                 cs->subtyp = 0;
1025                 if ((dev_qs1000 = pci_find_device(PCI_VENDOR_ID_ELSA,
1026                         PCI_DEVICE_ID_ELSA_MICROLINK, dev_qs1000))) {
1027                         if (pci_enable_device(dev_qs1000))
1028                                 return(0);
1029                         cs->subtyp = ELSA_QS1000PCI;
1030                         cs->irq = dev_qs1000->irq;
1031                         cs->hw.elsa.cfg = pci_resource_start(dev_qs1000, 1);
1032                         cs->hw.elsa.base = pci_resource_start(dev_qs1000, 3);
1033                 } else if ((dev_qs3000 = pci_find_device(PCI_VENDOR_ID_ELSA,
1034                         PCI_DEVICE_ID_ELSA_QS3000, dev_qs3000))) {
1035                         if (pci_enable_device(dev_qs3000))
1036                                 return(0);
1037                         cs->subtyp = ELSA_QS3000PCI;
1038                         cs->irq = dev_qs3000->irq;
1039                         cs->hw.elsa.cfg = pci_resource_start(dev_qs3000, 1);
1040                         cs->hw.elsa.base = pci_resource_start(dev_qs3000, 3);
1041                 } else {
1042                         printk(KERN_WARNING "Elsa: No PCI card found\n");
1043                         return(0);
1044                 }
1045                 if (!cs->irq) {
1046                         printk(KERN_WARNING "Elsa: No IRQ for PCI card found\n");
1047                         return(0);
1048                 }
1049
1050                 if (!(cs->hw.elsa.base && cs->hw.elsa.cfg)) {
1051                         printk(KERN_WARNING "Elsa: No IO-Adr for PCI card found\n");
1052                         return(0);
1053                 }
1054                 if ((cs->hw.elsa.cfg & 0xff) || (cs->hw.elsa.base & 0xf)) {
1055                         printk(KERN_WARNING "Elsa: You may have a wrong PCI bios\n");
1056                         printk(KERN_WARNING "Elsa: If your system hangs now, read\n");
1057                         printk(KERN_WARNING "Elsa: Documentation/isdn/README.HiSax\n");
1058                 }
1059                 cs->hw.elsa.ale  = cs->hw.elsa.base;
1060                 cs->hw.elsa.isac = cs->hw.elsa.base +1;
1061                 cs->hw.elsa.hscx = cs->hw.elsa.base +1; 
1062                 test_and_set_bit(HW_IPAC, &cs->HW_Flags);
1063                 cs->hw.elsa.timer = 0;
1064                 cs->hw.elsa.trig  = 0;
1065                 cs->irq_flags |= SA_SHIRQ;
1066                 printk(KERN_INFO
1067                        "Elsa: %s defined at %#lx/0x%x IRQ %d\n",
1068                        Elsa_Types[cs->subtyp],
1069                        cs->hw.elsa.base,
1070                        cs->hw.elsa.cfg,
1071                        cs->irq);
1072 #else
1073                 printk(KERN_WARNING "Elsa: Elsa PCI and NO_PCI_BIOS\n");
1074                 printk(KERN_WARNING "Elsa: unable to config Elsa PCI\n");
1075                 return (0);
1076 #endif /* CONFIG_PCI */
1077         } else 
1078                 return (0);
1079
1080         switch (cs->subtyp) {
1081                 case ELSA_PC:
1082                 case ELSA_PCC8:
1083                 case ELSA_PCC16:
1084                 case ELSA_QS1000:
1085                 case ELSA_PCMCIA:
1086                 case ELSA_PCMCIA_IPAC:
1087                         bytecnt = 8;
1088                         break;
1089                 case ELSA_PCFPRO:
1090                 case ELSA_PCF:
1091                 case ELSA_QS3000:
1092                 case ELSA_QS3000PCI:
1093                         bytecnt = 16;
1094                         break;
1095                 case ELSA_QS1000PCI:
1096                         bytecnt = 2;
1097                         break;
1098                 default:
1099                         printk(KERN_WARNING
1100                                "Unknown ELSA subtype %d\n", cs->subtyp);
1101                         return (0);
1102         }
1103         /* In case of the elsa pcmcia card, this region is in use,
1104            reserved for us by the card manager. So we do not check it
1105            here, it would fail. */
1106         if (cs->typ != ISDN_CTYPE_ELSA_PCMCIA && !request_region(cs->hw.elsa.base, bytecnt, "elsa isdn")) {
1107                 printk(KERN_WARNING
1108                        "HiSax: %s config port %#lx-%#lx already in use\n",
1109                        CardType[card->typ],
1110                        cs->hw.elsa.base,
1111                        cs->hw.elsa.base + bytecnt);
1112                 return (0);
1113         }
1114         if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI)) {
1115                 if (!request_region(cs->hw.elsa.cfg, 0x80, "elsa isdn pci")) {
1116                         printk(KERN_WARNING
1117                                "HiSax: %s pci port %x-%x already in use\n",
1118                                 CardType[card->typ],
1119                                 cs->hw.elsa.cfg,
1120                                 cs->hw.elsa.cfg + 0x80);
1121                         release_region(cs->hw.elsa.base, bytecnt);
1122                         return (0);
1123                 }
1124         }
1125 #if ARCOFI_USE
1126         init_arcofi(cs);
1127 #endif
1128         setup_isac(cs);
1129         cs->hw.elsa.tl.function = (void *) elsa_led_handler;
1130         cs->hw.elsa.tl.data = (long) cs;
1131         init_timer(&cs->hw.elsa.tl);
1132         /* Teste Timer */
1133         if (cs->hw.elsa.timer) {
1134                 byteout(cs->hw.elsa.trig, 0xff);
1135                 byteout(cs->hw.elsa.timer, 0);
1136                 if (!TimerRun(cs)) {
1137                         byteout(cs->hw.elsa.timer, 0);  /* 2. Versuch */
1138                         if (!TimerRun(cs)) {
1139                                 printk(KERN_WARNING
1140                                        "Elsa: timer do not start\n");
1141                                 release_io_elsa(cs);
1142                                 return (0);
1143                         }
1144                 }
1145                 HZDELAY((HZ/100) + 1);  /* wait >=10 ms */
1146                 if (TimerRun(cs)) {
1147                         printk(KERN_WARNING "Elsa: timer do not run down\n");
1148                         release_io_elsa(cs);
1149                         return (0);
1150                 }
1151                 printk(KERN_INFO "Elsa: timer OK; resetting card\n");
1152         }
1153         cs->BC_Read_Reg = &ReadHSCX;
1154         cs->BC_Write_Reg = &WriteHSCX;
1155         cs->BC_Send_Data = &hscx_fill_fifo;
1156         cs->cardmsg = &Elsa_card_msg;
1157         if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI) || (cs->subtyp == ELSA_PCMCIA_IPAC)) {
1158                 cs->readisac = &ReadISAC_IPAC;
1159                 cs->writeisac = &WriteISAC_IPAC;
1160                 cs->readisacfifo = &ReadISACfifo_IPAC;
1161                 cs->writeisacfifo = &WriteISACfifo_IPAC;
1162                 cs->irq_func = &elsa_interrupt_ipac;
1163                 val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ID);
1164                 printk(KERN_INFO "Elsa: IPAC version %x\n", val);
1165         } else {
1166                 cs->readisac = &ReadISAC;
1167                 cs->writeisac = &WriteISAC;
1168                 cs->readisacfifo = &ReadISACfifo;
1169                 cs->writeisacfifo = &WriteISACfifo;
1170                 cs->irq_func = &elsa_interrupt;
1171                 ISACVersion(cs, "Elsa:");
1172                 if (HscxVersion(cs, "Elsa:")) {
1173                         printk(KERN_WARNING
1174                                 "Elsa: wrong HSCX versions check IO address\n");
1175                         release_io_elsa(cs);
1176                         return (0);
1177                 }
1178         }
1179         if (cs->subtyp == ELSA_PC) {
1180                 val = readitac(cs, ITAC_SYS);
1181                 printk(KERN_INFO "Elsa: ITAC version %s\n", ITACVer[val & 7]);
1182                 writeitac(cs, ITAC_ISEN, 0);
1183                 writeitac(cs, ITAC_RFIE, 0);
1184                 writeitac(cs, ITAC_XFIE, 0);
1185                 writeitac(cs, ITAC_SCIE, 0);
1186                 writeitac(cs, ITAC_STIE, 0);
1187         }
1188         return (1);
1189 }