Merge branch 'master' of /home/sam/kernel/linux-2.6/
[linux-2.6] / 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 "hisax.h"
23 #include "arcofi.h"
24 #include "isac.h"
25 #include "ipac.h"
26 #include "hscx.h"
27 #include "isdnl1.h"
28 #include <linux/pci.h>
29 #include <linux/isapnp.h>
30 #include <linux/serial.h>
31 #include <linux/serial_reg.h>
32
33 extern const char *CardType[];
34
35 static const char *Elsa_revision = "$Revision: 2.32.2.4 $";
36 static const char *Elsa_Types[] =
37 {"None", "PC", "PCC-8", "PCC-16", "PCF", "PCF-Pro",
38  "PCMCIA", "QS 1000", "QS 3000", "Microlink PCI", "QS 3000 PCI", 
39  "PCMCIA-IPAC" };
40
41 static const char *ITACVer[] =
42 {"?0?", "?1?", "?2?", "?3?", "?4?", "V2.2",
43  "B1", "A1"};
44
45 #define byteout(addr,val) outb(val,addr)
46 #define bytein(addr) inb(addr)
47
48 #define ELSA_ISAC       0
49 #define ELSA_ISAC_PCM   1
50 #define ELSA_ITAC       1
51 #define ELSA_HSCX       2
52 #define ELSA_ALE        3
53 #define ELSA_ALE_PCM    4
54 #define ELSA_CONTROL    4
55 #define ELSA_CONFIG     5
56 #define ELSA_START_TIMER 6
57 #define ELSA_TRIG_IRQ   7
58
59 #define ELSA_PC      1
60 #define ELSA_PCC8    2
61 #define ELSA_PCC16   3
62 #define ELSA_PCF     4
63 #define ELSA_PCFPRO  5
64 #define ELSA_PCMCIA  6
65 #define ELSA_QS1000  7
66 #define ELSA_QS3000  8
67 #define ELSA_QS1000PCI 9
68 #define ELSA_QS3000PCI 10
69 #define ELSA_PCMCIA_IPAC 11
70
71 /* PCI stuff */
72 #define ELSA_PCI_IRQ_MASK       0x04
73
74 /* ITAC Registeradressen (only Microlink PC) */
75 #define ITAC_SYS        0x34
76 #define ITAC_ISEN       0x48
77 #define ITAC_RFIE       0x4A
78 #define ITAC_XFIE       0x4C
79 #define ITAC_SCIE       0x4E
80 #define ITAC_STIE       0x46
81
82 /***                                                                    ***
83  ***   Makros als Befehle fuer die Kartenregister                       ***
84  ***   (mehrere Befehle werden durch Bit-Oderung kombiniert)            ***
85  ***                                                                    ***/
86
87 /* Config-Register (Read) */
88 #define ELIRQF_TIMER_RUN       0x02     /* Bit 1 des Config-Reg     */
89 #define ELIRQF_TIMER_RUN_PCC8  0x01     /* Bit 0 des Config-Reg  bei PCC */
90 #define ELSA_IRQ_IDX       0x38 /* Bit 3,4,5 des Config-Reg */
91 #define ELSA_IRQ_IDX_PCC8  0x30 /* Bit 4,5 des Config-Reg */
92 #define ELSA_IRQ_IDX_PC    0x0c /* Bit 2,3 des Config-Reg */
93
94 /* Control-Register (Write) */
95 #define ELSA_LINE_LED        0x02       /* Bit 1 Gelbe LED */
96 #define ELSA_STAT_LED        0x08       /* Bit 3 Gruene LED */
97 #define ELSA_ISDN_RESET      0x20       /* Bit 5 Reset-Leitung */
98 #define ELSA_ENA_TIMER_INT   0x80       /* Bit 7 Freigabe Timer Interrupt */
99
100 /* ALE-Register (Read) */
101 #define ELSA_HW_RELEASE      0x07       /* Bit 0-2 Hardwarerkennung */
102 #define ELSA_S0_POWER_BAD    0x08       /* Bit 3 S0-Bus Spannung fehlt */
103
104 /* Status Flags */
105 #define ELIRQF_TIMER_AKTIV 1
106 #define ELSA_BAD_PWR     2
107 #define ELSA_ASSIGN      4
108
109 #define RS_ISR_PASS_LIMIT 256
110 #define FLG_MODEM_ACTIVE 1
111 /* IPAC AUX */
112 #define ELSA_IPAC_LINE_LED      0x40    /* Bit 6 Gelbe LED */
113 #define ELSA_IPAC_STAT_LED      0x80    /* Bit 7 Gruene LED */
114
115 #if ARCOFI_USE
116 static struct arcofi_msg ARCOFI_XOP_F =
117         {NULL,0,2,{0xa1,0x3f,0,0,0,0,0,0,0,0}}; /* Normal OP */
118 static struct arcofi_msg ARCOFI_XOP_1 =
119         {&ARCOFI_XOP_F,0,2,{0xa1,0x31,0,0,0,0,0,0,0,0}}; /* PWR UP */
120 static struct arcofi_msg ARCOFI_SOP_F = 
121         {&ARCOFI_XOP_1,0,10,{0xa1,0x1f,0x00,0x50,0x10,0x00,0x00,0x80,0x02,0x12}};
122 static struct arcofi_msg ARCOFI_COP_9 =
123         {&ARCOFI_SOP_F,0,10,{0xa1,0x29,0x80,0xcb,0xe9,0x88,0x00,0xc8,0xd8,0x80}}; /* RX */
124 static struct arcofi_msg ARCOFI_COP_8 =
125         {&ARCOFI_COP_9,0,10,{0xa1,0x28,0x49,0x31,0x8,0x13,0x6e,0x88,0x2a,0x61}}; /* TX */
126 static struct arcofi_msg ARCOFI_COP_7 =
127         {&ARCOFI_COP_8,0,4,{0xa1,0x27,0x80,0x80,0,0,0,0,0,0}}; /* GZ */
128 static struct arcofi_msg ARCOFI_COP_6 =
129         {&ARCOFI_COP_7,0,6,{0xa1,0x26,0,0,0x82,0x7c,0,0,0,0}}; /* GRL GRH */
130 static struct arcofi_msg ARCOFI_COP_5 =
131         {&ARCOFI_COP_6,0,4,{0xa1,0x25,0xbb,0x4a,0,0,0,0,0,0}}; /* GTX */
132 static struct arcofi_msg ARCOFI_VERSION =
133         {NULL,1,2,{0xa0,0,0,0,0,0,0,0,0,0}};
134 static struct arcofi_msg ARCOFI_XOP_0 =
135         {NULL,0,2,{0xa1,0x30,0,0,0,0,0,0,0,0}}; /* PWR Down */
136
137 static void set_arcofi(struct IsdnCardState *cs, int bc);
138
139 #include "elsa_ser.c"
140 #endif /* ARCOFI_USE */
141
142 static inline u_char
143 readreg(unsigned int ale, unsigned int adr, u_char off)
144 {
145         register u_char ret;
146
147         byteout(ale, off);
148         ret = bytein(adr);
149         return (ret);
150 }
151
152 static inline void
153 readfifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
154 {
155         byteout(ale, off);
156         insb(adr, data, size);
157 }
158
159
160 static inline void
161 writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
162 {
163         byteout(ale, off);
164         byteout(adr, data);
165 }
166
167 static inline void
168 writefifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
169 {
170         byteout(ale, off);
171         outsb(adr, data, size);
172 }
173
174 /* Interface functions */
175
176 static u_char
177 ReadISAC(struct IsdnCardState *cs, u_char offset)
178 {
179         return (readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset));
180 }
181
182 static void
183 WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
184 {
185         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset, value);
186 }
187
188 static void
189 ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size)
190 {
191         readfifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0, data, size);
192 }
193
194 static void
195 WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size)
196 {
197         writefifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0, data, size);
198 }
199
200 static u_char
201 ReadISAC_IPAC(struct IsdnCardState *cs, u_char offset)
202 {
203         return (readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset+0x80));
204 }
205
206 static void
207 WriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value)
208 {
209         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset|0x80, value);
210 }
211
212 static void
213 ReadISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size)
214 {
215         readfifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0x80, data, size);
216 }
217
218 static void
219 WriteISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size)
220 {
221         writefifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0x80, data, size);
222 }
223
224 static u_char
225 ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
226 {
227         return (readreg(cs->hw.elsa.ale,
228                         cs->hw.elsa.hscx, offset + (hscx ? 0x40 : 0)));
229 }
230
231 static void
232 WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
233 {
234         writereg(cs->hw.elsa.ale,
235                  cs->hw.elsa.hscx, offset + (hscx ? 0x40 : 0), value);
236 }
237
238 static inline u_char
239 readitac(struct IsdnCardState *cs, u_char off)
240 {
241         register u_char ret;
242
243         byteout(cs->hw.elsa.ale, off);
244         ret = bytein(cs->hw.elsa.itac);
245         return (ret);
246 }
247
248 static inline void
249 writeitac(struct IsdnCardState *cs, u_char off, u_char data)
250 {
251         byteout(cs->hw.elsa.ale, off);
252         byteout(cs->hw.elsa.itac, data);
253 }
254
255 static inline int
256 TimerRun(struct IsdnCardState *cs)
257 {
258         register u_char v;
259
260         v = bytein(cs->hw.elsa.cfg);
261         if ((cs->subtyp == ELSA_QS1000) || (cs->subtyp == ELSA_QS3000))
262                 return (0 == (v & ELIRQF_TIMER_RUN));
263         else if (cs->subtyp == ELSA_PCC8)
264                 return (v & ELIRQF_TIMER_RUN_PCC8);
265         return (v & ELIRQF_TIMER_RUN);
266 }
267 /*
268  * fast interrupt HSCX stuff goes here
269  */
270
271 #define READHSCX(cs, nr, reg) readreg(cs->hw.elsa.ale, \
272                 cs->hw.elsa.hscx, reg + (nr ? 0x40 : 0))
273 #define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.elsa.ale, \
274                 cs->hw.elsa.hscx, reg + (nr ? 0x40 : 0), data)
275
276 #define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.elsa.ale, \
277                 cs->hw.elsa.hscx, (nr ? 0x40 : 0), ptr, cnt)
278
279 #define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.elsa.ale, \
280                 cs->hw.elsa.hscx, (nr ? 0x40 : 0), ptr, cnt)
281
282 #include "hscx_irq.c"
283
284 static irqreturn_t
285 elsa_interrupt(int intno, void *dev_id, struct pt_regs *regs)
286 {
287         struct IsdnCardState *cs = dev_id;
288         u_long flags;
289         u_char val;
290         int icnt=5;
291
292         if ((cs->typ == ISDN_CTYPE_ELSA_PCMCIA) && (*cs->busy_flag == 1)) {
293         /* The card tends to generate interrupts while being removed
294            causing us to just crash the kernel. bad. */
295                 printk(KERN_WARNING "Elsa: card not available!\n");
296                 return IRQ_NONE;
297         }
298         spin_lock_irqsave(&cs->lock, flags);
299 #if ARCOFI_USE
300         if (cs->hw.elsa.MFlag) {
301                 val = serial_inp(cs, UART_IIR);
302                 if (!(val & UART_IIR_NO_INT)) {
303                         debugl1(cs,"IIR %02x", val);
304                         rs_interrupt_elsa(intno, cs);
305                 }
306         }
307 #endif
308         val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40);
309       Start_HSCX:
310         if (val) {
311                 hscx_int_main(cs, val);
312         }
313         val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA);
314       Start_ISAC:
315         if (val) {
316                 isac_interrupt(cs, val);
317         }
318         val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40);
319         if (val && icnt) {
320                 if (cs->debug & L1_DEB_HSCX)
321                         debugl1(cs, "HSCX IntStat after IntRoutine");
322                 icnt--;
323                 goto Start_HSCX;
324         }
325         val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA);
326         if (val && icnt) {
327                 if (cs->debug & L1_DEB_ISAC)
328                         debugl1(cs, "ISAC IntStat after IntRoutine");
329                 icnt--;
330                 goto Start_ISAC;
331         }
332         if (!icnt)
333                 printk(KERN_WARNING"ELSA IRQ LOOP\n");
334         writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK, 0xFF);
335         writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK + 0x40, 0xFF);
336         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_MASK, 0xFF);
337         if (cs->hw.elsa.status & ELIRQF_TIMER_AKTIV) {
338                 if (!TimerRun(cs)) {
339                         /* Timer Restart */
340                         byteout(cs->hw.elsa.timer, 0);
341                         cs->hw.elsa.counter++;
342                 }
343         }
344 #if ARCOFI_USE
345         if (cs->hw.elsa.MFlag) {
346                 val = serial_inp(cs, UART_MCR);
347                 val ^= 0x8;
348                 serial_outp(cs, UART_MCR, val);
349                 val = serial_inp(cs, UART_MCR);
350                 val ^= 0x8;
351                 serial_outp(cs, UART_MCR, val);
352         }
353 #endif
354         if (cs->hw.elsa.trig)
355                 byteout(cs->hw.elsa.trig, 0x00);
356         writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK, 0x0);
357         writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK + 0x40, 0x0);
358         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_MASK, 0x0);
359         spin_unlock_irqrestore(&cs->lock, flags);
360         return IRQ_HANDLED;
361 }
362
363 static irqreturn_t
364 elsa_interrupt_ipac(int intno, void *dev_id, struct pt_regs *regs)
365 {
366         struct IsdnCardState *cs = dev_id;
367         u_long flags;
368         u_char ista,val;
369         int icnt=5;
370
371         spin_lock_irqsave(&cs->lock, flags);
372         if (cs->subtyp == ELSA_QS1000PCI || cs->subtyp == ELSA_QS3000PCI) {
373                 val = bytein(cs->hw.elsa.cfg + 0x4c); /* PCI IRQ */
374                 if (!(val & ELSA_PCI_IRQ_MASK)) {
375                         spin_unlock_irqrestore(&cs->lock, flags);
376                         return IRQ_NONE;
377                 }
378         }
379 #if ARCOFI_USE
380         if (cs->hw.elsa.MFlag) {
381                 val = serial_inp(cs, UART_IIR);
382                 if (!(val & UART_IIR_NO_INT)) {
383                         debugl1(cs,"IIR %02x", val);
384                         rs_interrupt_elsa(intno, cs);
385                 }
386         }
387 #endif
388         ista = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ISTA);
389 Start_IPAC:
390         if (cs->debug & L1_DEB_IPAC)
391                 debugl1(cs, "IPAC ISTA %02X", ista);
392         if (ista & 0x0f) {
393                 val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40);
394                 if (ista & 0x01)
395                         val |= 0x01;
396                 if (ista & 0x04)
397                         val |= 0x02;
398                 if (ista & 0x08)
399                         val |= 0x04;
400                 if (val)
401                         hscx_int_main(cs, val);
402         }
403         if (ista & 0x20) {
404                 val = 0xfe & readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA + 0x80);
405                 if (val) {
406                         isac_interrupt(cs, val);
407                 }
408         }
409         if (ista & 0x10) {
410                 val = 0x01;
411                 isac_interrupt(cs, val);
412         }
413         ista  = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ISTA);
414         if ((ista & 0x3f) && icnt) {
415                 icnt--;
416                 goto Start_IPAC;
417         }
418         if (!icnt)
419                 printk(KERN_WARNING "ELSA IRQ LOOP\n");
420         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xFF);
421         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xC0);
422         spin_unlock_irqrestore(&cs->lock, flags);
423         return IRQ_HANDLED;
424 }
425
426 static void
427 release_io_elsa(struct IsdnCardState *cs)
428 {
429         int bytecnt = 8;
430
431         del_timer(&cs->hw.elsa.tl);
432 #if ARCOFI_USE
433         clear_arcofi(cs);
434 #endif
435         if (cs->hw.elsa.ctrl)
436                 byteout(cs->hw.elsa.ctrl, 0);   /* LEDs Out */
437         if (cs->subtyp == ELSA_QS1000PCI) {
438                 byteout(cs->hw.elsa.cfg + 0x4c, 0x01);  /* disable IRQ */
439                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
440                 bytecnt = 2;
441                 release_region(cs->hw.elsa.cfg, 0x80);
442         }
443         if (cs->subtyp == ELSA_QS3000PCI) {
444                 byteout(cs->hw.elsa.cfg + 0x4c, 0x03); /* disable ELSA PCI IRQ */
445                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
446                 release_region(cs->hw.elsa.cfg, 0x80);
447         }
448         if (cs->subtyp == ELSA_PCMCIA_IPAC) {
449                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
450         }
451         if ((cs->subtyp == ELSA_PCFPRO) ||
452                 (cs->subtyp == ELSA_QS3000) ||
453                 (cs->subtyp == ELSA_PCF) ||
454                 (cs->subtyp == ELSA_QS3000PCI)) {
455                 bytecnt = 16;
456 #if ARCOFI_USE
457                 release_modem(cs);
458 #endif
459         }
460         if (cs->hw.elsa.base)
461                 release_region(cs->hw.elsa.base, bytecnt);
462 }
463
464 static void
465 reset_elsa(struct IsdnCardState *cs)
466 {
467         if (cs->hw.elsa.timer) {
468                 /* Wait 1 Timer */
469                 byteout(cs->hw.elsa.timer, 0);
470                 while (TimerRun(cs));
471                 cs->hw.elsa.ctrl_reg |= 0x50;
472                 cs->hw.elsa.ctrl_reg &= ~ELSA_ISDN_RESET;       /* Reset On */
473                 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
474                 /* Wait 1 Timer */
475                 byteout(cs->hw.elsa.timer, 0);
476                 while (TimerRun(cs));
477                 cs->hw.elsa.ctrl_reg |= ELSA_ISDN_RESET;        /* Reset Off */
478                 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
479                 /* Wait 1 Timer */
480                 byteout(cs->hw.elsa.timer, 0);
481                 while (TimerRun(cs));
482                 if (cs->hw.elsa.trig)
483                         byteout(cs->hw.elsa.trig, 0xff);
484         }
485         if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI) || (cs->subtyp == ELSA_PCMCIA_IPAC)) {
486                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_POTA2, 0x20);
487                 mdelay(10);
488                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_POTA2, 0x00);
489                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xc0);
490                 mdelay(10);
491                 if (cs->subtyp != ELSA_PCMCIA_IPAC) {
492                         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ACFG, 0x0);
493                         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_AOE, 0x3c);
494                 } else {
495                         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_PCFG, 0x10);
496                         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ACFG, 0x4);
497                         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_AOE, 0xf8);
498                 }
499                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
500                 if (cs->subtyp == ELSA_QS1000PCI)
501                         byteout(cs->hw.elsa.cfg + 0x4c, 0x41); /* enable ELSA PCI IRQ */
502                 else if (cs->subtyp == ELSA_QS3000PCI)
503                         byteout(cs->hw.elsa.cfg + 0x4c, 0x43); /* enable ELSA PCI IRQ */
504         }
505 }
506
507 #if ARCOFI_USE
508
509 static void
510 set_arcofi(struct IsdnCardState *cs, int bc) {
511         cs->dc.isac.arcofi_bc = bc;
512         arcofi_fsm(cs, ARCOFI_START, &ARCOFI_COP_5);
513         interruptible_sleep_on(&cs->dc.isac.arcofi_wait);
514 }
515
516 static int
517 check_arcofi(struct IsdnCardState *cs)
518 {
519         int arcofi_present = 0;
520         char tmp[40];
521         char *t;
522         u_char *p;
523
524         if (!cs->dc.isac.mon_tx)
525                 if (!(cs->dc.isac.mon_tx=kmalloc(MAX_MON_FRAME, GFP_ATOMIC))) {
526                         if (cs->debug & L1_DEB_WARN)
527                                 debugl1(cs, "ISAC MON TX out of buffers!");
528                         return(0);
529                 }
530         cs->dc.isac.arcofi_bc = 0;
531         arcofi_fsm(cs, ARCOFI_START, &ARCOFI_VERSION);
532         interruptible_sleep_on(&cs->dc.isac.arcofi_wait);
533         if (!test_and_clear_bit(FLG_ARCOFI_ERROR, &cs->HW_Flags)) {
534                         debugl1(cs, "Arcofi response received %d bytes", cs->dc.isac.mon_rxp);
535                         p = cs->dc.isac.mon_rx;
536                         t = tmp;
537                         t += sprintf(tmp, "Arcofi data");
538                         QuickHex(t, p, cs->dc.isac.mon_rxp);
539                         debugl1(cs, tmp);
540                         if ((cs->dc.isac.mon_rxp == 2) && (cs->dc.isac.mon_rx[0] == 0xa0)) {
541                                 switch(cs->dc.isac.mon_rx[1]) {
542                                         case 0x80:
543                                                 debugl1(cs, "Arcofi 2160 detected");
544                                                 arcofi_present = 1;
545                                                 break;
546                                         case 0x82:
547                                                 debugl1(cs, "Arcofi 2165 detected");
548                                                 arcofi_present = 2;
549                                                 break;
550                                         case 0x84:
551                                                 debugl1(cs, "Arcofi 2163 detected");
552                                                 arcofi_present = 3;
553                                                 break;
554                                         default:
555                                                 debugl1(cs, "unknown Arcofi response");
556                                                 break;
557                                 }
558                         } else
559                                 debugl1(cs, "undefined Monitor response");
560                         cs->dc.isac.mon_rxp = 0;
561         } else if (cs->dc.isac.mon_tx) {
562                 debugl1(cs, "Arcofi not detected");
563         }
564         if (arcofi_present) {
565                 if (cs->subtyp==ELSA_QS1000) {
566                         cs->subtyp = ELSA_QS3000;
567                         printk(KERN_INFO
568                                 "Elsa: %s detected modem at 0x%lx\n",
569                                 Elsa_Types[cs->subtyp],
570                                 cs->hw.elsa.base+8);
571                         release_region(cs->hw.elsa.base, 8);
572                         if (!request_region(cs->hw.elsa.base, 16, "elsa isdn modem")) {
573                                 printk(KERN_WARNING
574                                         "HiSax: %s config port %lx-%lx already in use\n",
575                                         Elsa_Types[cs->subtyp],
576                                         cs->hw.elsa.base + 8,
577                                         cs->hw.elsa.base + 16);
578                         }
579                 } else if (cs->subtyp==ELSA_PCC16) {
580                         cs->subtyp = ELSA_PCF;
581                         printk(KERN_INFO
582                                 "Elsa: %s detected modem at 0x%lx\n",
583                                 Elsa_Types[cs->subtyp],
584                                 cs->hw.elsa.base+8);
585                         release_region(cs->hw.elsa.base, 8);
586                         if (!request_region(cs->hw.elsa.base, 16, "elsa isdn modem")) {
587                                 printk(KERN_WARNING
588                                         "HiSax: %s config port %lx-%lx already in use\n",
589                                         Elsa_Types[cs->subtyp],
590                                         cs->hw.elsa.base + 8,
591                                         cs->hw.elsa.base + 16);
592                         }
593                 } else
594                         printk(KERN_INFO
595                                 "Elsa: %s detected modem at 0x%lx\n",
596                                 Elsa_Types[cs->subtyp],
597                                 cs->hw.elsa.base+8);
598                 arcofi_fsm(cs, ARCOFI_START, &ARCOFI_XOP_0);
599                 interruptible_sleep_on(&cs->dc.isac.arcofi_wait);
600                 return(1);
601         }
602         return(0);
603 }
604 #endif /* ARCOFI_USE */
605
606 static void
607 elsa_led_handler(struct IsdnCardState *cs)
608 {
609         int blink = 0;
610
611         if (cs->subtyp == ELSA_PCMCIA || cs->subtyp == ELSA_PCMCIA_IPAC)
612                 return;
613         del_timer(&cs->hw.elsa.tl);
614         if (cs->hw.elsa.status & ELSA_ASSIGN)
615                 cs->hw.elsa.ctrl_reg |= ELSA_STAT_LED;
616         else if (cs->hw.elsa.status & ELSA_BAD_PWR)
617                 cs->hw.elsa.ctrl_reg &= ~ELSA_STAT_LED;
618         else {
619                 cs->hw.elsa.ctrl_reg ^= ELSA_STAT_LED;
620                 blink = 250;
621         }
622         if (cs->hw.elsa.status & 0xf000)
623                 cs->hw.elsa.ctrl_reg |= ELSA_LINE_LED;
624         else if (cs->hw.elsa.status & 0x0f00) {
625                 cs->hw.elsa.ctrl_reg ^= ELSA_LINE_LED;
626                 blink = 500;
627         } else
628                 cs->hw.elsa.ctrl_reg &= ~ELSA_LINE_LED;
629
630         if ((cs->subtyp == ELSA_QS1000PCI) ||
631                 (cs->subtyp == ELSA_QS3000PCI)) {
632                 u_char led = 0xff;
633                 if (cs->hw.elsa.ctrl_reg & ELSA_LINE_LED)
634                         led ^= ELSA_IPAC_LINE_LED;
635                 if (cs->hw.elsa.ctrl_reg & ELSA_STAT_LED)
636                         led ^= ELSA_IPAC_STAT_LED;
637                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, led);
638         } else
639                 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
640         if (blink) {
641                 init_timer(&cs->hw.elsa.tl);
642                 cs->hw.elsa.tl.expires = jiffies + ((blink * HZ) / 1000);
643                 add_timer(&cs->hw.elsa.tl);
644         }
645 }
646
647 static int
648 Elsa_card_msg(struct IsdnCardState *cs, int mt, void *arg)
649 {
650         int ret = 0;
651         u_long flags;
652
653         switch (mt) {
654                 case CARD_RESET:
655                         spin_lock_irqsave(&cs->lock, flags);
656                         reset_elsa(cs);
657                         spin_unlock_irqrestore(&cs->lock, flags);
658                         return(0);
659                 case CARD_RELEASE:
660                         release_io_elsa(cs);
661                         return(0);
662                 case CARD_INIT:
663                         spin_lock_irqsave(&cs->lock, flags);
664                         cs->debug |= L1_DEB_IPAC;
665                         reset_elsa(cs);
666                         inithscxisac(cs, 1);
667                         if ((cs->subtyp == ELSA_QS1000) ||
668                             (cs->subtyp == ELSA_QS3000))
669                         {
670                                 byteout(cs->hw.elsa.timer, 0);
671                         }
672                         if (cs->hw.elsa.trig)
673                                 byteout(cs->hw.elsa.trig, 0xff);
674                         inithscxisac(cs, 2);
675                         spin_unlock_irqrestore(&cs->lock, flags);
676                         return(0);
677                 case CARD_TEST:
678                         if ((cs->subtyp == ELSA_PCMCIA) ||
679                                 (cs->subtyp == ELSA_PCMCIA_IPAC) ||
680                                 (cs->subtyp == ELSA_QS1000PCI)) {
681                                 return(0);
682                         } else if (cs->subtyp == ELSA_QS3000PCI) {
683                                 ret = 0;
684                         } else {
685                                 spin_lock_irqsave(&cs->lock, flags);
686                                 cs->hw.elsa.counter = 0;
687                                 cs->hw.elsa.ctrl_reg |= ELSA_ENA_TIMER_INT;
688                                 cs->hw.elsa.status |= ELIRQF_TIMER_AKTIV;
689                                 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
690                                 byteout(cs->hw.elsa.timer, 0);
691                                 spin_unlock_irqrestore(&cs->lock, flags);
692                                 msleep(110);
693                                 spin_lock_irqsave(&cs->lock, flags);
694                                 cs->hw.elsa.ctrl_reg &= ~ELSA_ENA_TIMER_INT;
695                                 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
696                                 cs->hw.elsa.status &= ~ELIRQF_TIMER_AKTIV;
697                                 spin_unlock_irqrestore(&cs->lock, flags);
698                                 printk(KERN_INFO "Elsa: %d timer tics in 110 msek\n",
699                                        cs->hw.elsa.counter);
700                                 if ((cs->hw.elsa.counter > 10) &&
701                                         (cs->hw.elsa.counter < 16)) {
702                                         printk(KERN_INFO "Elsa: timer and irq OK\n");
703                                         ret = 0;
704                                 } else {
705                                         printk(KERN_WARNING
706                                                "Elsa: timer tic problem (%d/12) maybe an IRQ(%d) conflict\n",
707                                                cs->hw.elsa.counter, cs->irq);
708                                         ret = 1;
709                                 }
710                         }
711 #if ARCOFI_USE
712                         if (check_arcofi(cs)) {
713                                 init_modem(cs);
714                         }
715 #endif
716                         elsa_led_handler(cs);
717                         return(ret);
718                 case (MDL_REMOVE | REQUEST):
719                         cs->hw.elsa.status &= 0;
720                         break;
721                 case (MDL_ASSIGN | REQUEST):
722                         cs->hw.elsa.status |= ELSA_ASSIGN;
723                         break;
724                 case MDL_INFO_SETUP:
725                         if ((long) arg)
726                                 cs->hw.elsa.status |= 0x0200;
727                         else
728                                 cs->hw.elsa.status |= 0x0100;
729                         break;
730                 case MDL_INFO_CONN:
731                         if ((long) arg)
732                                 cs->hw.elsa.status |= 0x2000;
733                         else
734                                 cs->hw.elsa.status |= 0x1000;
735                         break;
736                 case MDL_INFO_REL:
737                         if ((long) arg) {
738                                 cs->hw.elsa.status &= ~0x2000;
739                                 cs->hw.elsa.status &= ~0x0200;
740                         } else {
741                                 cs->hw.elsa.status &= ~0x1000;
742                                 cs->hw.elsa.status &= ~0x0100;
743                         }
744                         break;
745 #if ARCOFI_USE
746                 case CARD_AUX_IND:
747                         if (cs->hw.elsa.MFlag) {
748                                 int len;
749                                 u_char *msg;
750
751                                 if (!arg)
752                                         return(0);
753                                 msg = arg;
754                                 len = *msg;
755                                 msg++;
756                                 modem_write_cmd(cs, msg, len);
757                         }
758                         break;
759 #endif
760         }
761         if (cs->typ == ISDN_CTYPE_ELSA) {
762                 int pwr = bytein(cs->hw.elsa.ale);
763                 if (pwr & 0x08)
764                         cs->hw.elsa.status |= ELSA_BAD_PWR;
765                 else
766                         cs->hw.elsa.status &= ~ELSA_BAD_PWR;
767         }
768         elsa_led_handler(cs);
769         return(ret);
770 }
771
772 static unsigned char
773 probe_elsa_adr(unsigned int adr, int typ)
774 {
775         int i, in1, in2, p16_1 = 0, p16_2 = 0, p8_1 = 0, p8_2 = 0, pc_1 = 0,
776          pc_2 = 0, pfp_1 = 0, pfp_2 = 0;
777
778         /* In case of the elsa pcmcia card, this region is in use,
779            reserved for us by the card manager. So we do not check it
780            here, it would fail. */
781         if (typ != ISDN_CTYPE_ELSA_PCMCIA) {
782                 if (request_region(adr, 8, "elsa card")) {
783                         release_region(adr, 8);
784                 } else {
785                         printk(KERN_WARNING
786                                "Elsa: Probing Port 0x%x: already in use\n", adr);
787                         return (0);
788                 }
789         }
790         for (i = 0; i < 16; i++) {
791                 in1 = inb(adr + ELSA_CONFIG);   /* 'toggelt' bei */
792                 in2 = inb(adr + ELSA_CONFIG);   /* jedem Zugriff */
793                 p16_1 += 0x04 & in1;
794                 p16_2 += 0x04 & in2;
795                 p8_1 += 0x02 & in1;
796                 p8_2 += 0x02 & in2;
797                 pc_1 += 0x01 & in1;
798                 pc_2 += 0x01 & in2;
799                 pfp_1 += 0x40 & in1;
800                 pfp_2 += 0x40 & in2;
801         }
802         printk(KERN_INFO "Elsa: Probing IO 0x%x", adr);
803         if (65 == ++p16_1 * ++p16_2) {
804                 printk(" PCC-16/PCF found\n");
805                 return (ELSA_PCC16);
806         } else if (1025 == ++pfp_1 * ++pfp_2) {
807                 printk(" PCF-Pro found\n");
808                 return (ELSA_PCFPRO);
809         } else if (33 == ++p8_1 * ++p8_2) {
810                 printk(" PCC8 found\n");
811                 return (ELSA_PCC8);
812         } else if (17 == ++pc_1 * ++pc_2) {
813                 printk(" PC found\n");
814                 return (ELSA_PC);
815         } else {
816                 printk(" failed\n");
817                 return (0);
818         }
819 }
820
821 static unsigned int
822 probe_elsa(struct IsdnCardState *cs)
823 {
824         int i;
825         unsigned int CARD_portlist[] =
826         {0x160, 0x170, 0x260, 0x360, 0};
827
828         for (i = 0; CARD_portlist[i]; i++) {
829                 if ((cs->subtyp = probe_elsa_adr(CARD_portlist[i], cs->typ)))
830                         break;
831         }
832         return (CARD_portlist[i]);
833 }
834
835 static  struct pci_dev *dev_qs1000 __devinitdata = NULL;
836 static  struct pci_dev *dev_qs3000 __devinitdata = NULL;
837
838 #ifdef __ISAPNP__
839 static struct isapnp_device_id elsa_ids[] __devinitdata = {
840         { ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0133),
841           ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0133), 
842           (unsigned long) "Elsa QS1000" },
843         { ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0134),
844           ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0134), 
845           (unsigned long) "Elsa QS3000" },
846         { 0, }
847 };
848
849 static struct isapnp_device_id *ipid __devinitdata = &elsa_ids[0];
850 static struct pnp_card *pnp_c __devinitdata = NULL;
851 #endif
852
853 int __devinit
854 setup_elsa(struct IsdnCard *card)
855 {
856         int bytecnt;
857         u_char val;
858         struct IsdnCardState *cs = card->cs;
859         char tmp[64];
860
861         strcpy(tmp, Elsa_revision);
862         printk(KERN_INFO "HiSax: Elsa driver Rev. %s\n", HiSax_getrev(tmp));
863         cs->hw.elsa.ctrl_reg = 0;
864         cs->hw.elsa.status = 0;
865         cs->hw.elsa.MFlag = 0;
866         cs->subtyp = 0;
867         if (cs->typ == ISDN_CTYPE_ELSA) {
868                 cs->hw.elsa.base = card->para[0];
869                 printk(KERN_INFO "Elsa: Microlink IO probing\n");
870                 if (cs->hw.elsa.base) {
871                         if (!(cs->subtyp = probe_elsa_adr(cs->hw.elsa.base,
872                                                           cs->typ))) {
873                                 printk(KERN_WARNING
874                                        "Elsa: no Elsa Microlink at %#lx\n",
875                                        cs->hw.elsa.base);
876                                 return (0);
877                         }
878                 } else
879                         cs->hw.elsa.base = probe_elsa(cs);
880                 if (cs->hw.elsa.base) {
881                         cs->hw.elsa.cfg = cs->hw.elsa.base + ELSA_CONFIG;
882                         cs->hw.elsa.ctrl = cs->hw.elsa.base + ELSA_CONTROL;
883                         cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE;
884                         cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC;
885                         cs->hw.elsa.itac = cs->hw.elsa.base + ELSA_ITAC;
886                         cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
887                         cs->hw.elsa.trig = cs->hw.elsa.base + ELSA_TRIG_IRQ;
888                         cs->hw.elsa.timer = cs->hw.elsa.base + ELSA_START_TIMER;
889                         val = bytein(cs->hw.elsa.cfg);
890                         if (cs->subtyp == ELSA_PC) {
891                                 const u_char CARD_IrqTab[8] =
892                                 {7, 3, 5, 9, 0, 0, 0, 0};
893                                 cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX_PC) >> 2];
894                         } else if (cs->subtyp == ELSA_PCC8) {
895                                 const u_char CARD_IrqTab[8] =
896                                 {7, 3, 5, 9, 0, 0, 0, 0};
897                                 cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX_PCC8) >> 4];
898                         } else {
899                                 const u_char CARD_IrqTab[8] =
900                                 {15, 10, 15, 3, 11, 5, 11, 9};
901                                 cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX) >> 3];
902                         }
903                         val = bytein(cs->hw.elsa.ale) & ELSA_HW_RELEASE;
904                         if (val < 3)
905                                 val |= 8;
906                         val += 'A' - 3;
907                         if (val == 'B' || val == 'C')
908                                 val ^= 1;
909                         if ((cs->subtyp == ELSA_PCFPRO) && (val = 'G'))
910                                 val = 'C';
911                         printk(KERN_INFO
912                                "Elsa: %s found at %#lx Rev.:%c IRQ %d\n",
913                                Elsa_Types[cs->subtyp],
914                                cs->hw.elsa.base,
915                                val, cs->irq);
916                         val = bytein(cs->hw.elsa.ale) & ELSA_S0_POWER_BAD;
917                         if (val) {
918                                 printk(KERN_WARNING
919                                    "Elsa: Microlink S0 bus power bad\n");
920                                 cs->hw.elsa.status |= ELSA_BAD_PWR;
921                         }
922                 } else {
923                         printk(KERN_WARNING
924                                "No Elsa Microlink found\n");
925                         return (0);
926                 }
927         } else if (cs->typ == ISDN_CTYPE_ELSA_PNP) {
928 #ifdef __ISAPNP__
929                 if (!card->para[1] && isapnp_present()) {
930                         struct pnp_dev *pnp_d;
931                         while(ipid->card_vendor) {
932                                 if ((pnp_c = pnp_find_card(ipid->card_vendor,
933                                         ipid->card_device, pnp_c))) {
934                                         pnp_d = NULL;
935                                         if ((pnp_d = pnp_find_dev(pnp_c,
936                                                 ipid->vendor, ipid->function, pnp_d))) {
937                                                 int err;
938
939                                                 printk(KERN_INFO "HiSax: %s detected\n",
940                                                         (char *)ipid->driver_data);
941                                                 pnp_disable_dev(pnp_d);
942                                                 err = pnp_activate_dev(pnp_d);
943                                                 if (err<0) {
944                                                         printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
945                                                                 __FUNCTION__, err);
946                                                         return(0);
947                                                 }
948                                                 card->para[1] = pnp_port_start(pnp_d, 0);
949                                                 card->para[0] = pnp_irq(pnp_d, 0);
950
951                                                 if (!card->para[0] || !card->para[1]) {
952                                                         printk(KERN_ERR "Elsa PnP:some resources are missing %ld/%lx\n",
953                                                                 card->para[0], card->para[1]);
954                                                         pnp_disable_dev(pnp_d);
955                                                         return(0);
956                                                 }
957                                                 if (ipid->function == ISAPNP_FUNCTION(0x133))
958                                                         cs->subtyp = ELSA_QS1000;
959                                                 else
960                                                         cs->subtyp = ELSA_QS3000;
961                                                 break;
962                                         } else {
963                                                 printk(KERN_ERR "Elsa PnP: PnP error card found, no device\n");
964                                                 return(0);
965                                         }
966                                 }
967                                 ipid++;
968                                 pnp_c=NULL;
969                         } 
970                         if (!ipid->card_vendor) {
971                                 printk(KERN_INFO "Elsa PnP: no ISAPnP card found\n");
972                                 return(0);
973                         }
974                 }
975 #endif
976                 if (card->para[1] && card->para[0]) { 
977                         cs->hw.elsa.base = card->para[1];
978                         cs->irq = card->para[0];
979                         if (!cs->subtyp)
980                                 cs->subtyp = ELSA_QS1000;
981                 } else {
982                         printk(KERN_ERR "Elsa PnP: no parameter\n");
983                 }
984                 cs->hw.elsa.cfg = cs->hw.elsa.base + ELSA_CONFIG;
985                 cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE;
986                 cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC;
987                 cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
988                 cs->hw.elsa.trig = cs->hw.elsa.base + ELSA_TRIG_IRQ;
989                 cs->hw.elsa.timer = cs->hw.elsa.base + ELSA_START_TIMER;
990                 cs->hw.elsa.ctrl = cs->hw.elsa.base + ELSA_CONTROL;
991                 printk(KERN_INFO
992                        "Elsa: %s defined at %#lx IRQ %d\n",
993                        Elsa_Types[cs->subtyp],
994                        cs->hw.elsa.base,
995                        cs->irq);
996         } else if (cs->typ == ISDN_CTYPE_ELSA_PCMCIA) {
997                 cs->hw.elsa.base = card->para[1];
998                 cs->irq = card->para[0];
999                 val = readreg(cs->hw.elsa.base + 0, cs->hw.elsa.base + 2, IPAC_ID);
1000                 if ((val == 1) || (val == 2)) { /* IPAC version 1.1/1.2 */
1001                         cs->subtyp = ELSA_PCMCIA_IPAC;
1002                         cs->hw.elsa.ale = cs->hw.elsa.base + 0;
1003                         cs->hw.elsa.isac = cs->hw.elsa.base + 2;
1004                         cs->hw.elsa.hscx = cs->hw.elsa.base + 2;
1005                         test_and_set_bit(HW_IPAC, &cs->HW_Flags);
1006                 } else {
1007                         cs->subtyp = ELSA_PCMCIA;
1008                         cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE_PCM;
1009                         cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC_PCM;
1010                         cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
1011                 }
1012                 cs->hw.elsa.timer = 0;
1013                 cs->hw.elsa.trig = 0;
1014                 cs->hw.elsa.ctrl = 0;
1015                 cs->irq_flags |= IRQF_SHARED;
1016                 printk(KERN_INFO
1017                        "Elsa: %s defined at %#lx IRQ %d\n",
1018                        Elsa_Types[cs->subtyp],
1019                        cs->hw.elsa.base,
1020                        cs->irq);
1021         } else if (cs->typ == ISDN_CTYPE_ELSA_PCI) {
1022 #ifdef CONFIG_PCI
1023                 cs->subtyp = 0;
1024                 if ((dev_qs1000 = pci_find_device(PCI_VENDOR_ID_ELSA,
1025                         PCI_DEVICE_ID_ELSA_MICROLINK, dev_qs1000))) {
1026                         if (pci_enable_device(dev_qs1000))
1027                                 return(0);
1028                         cs->subtyp = ELSA_QS1000PCI;
1029                         cs->irq = dev_qs1000->irq;
1030                         cs->hw.elsa.cfg = pci_resource_start(dev_qs1000, 1);
1031                         cs->hw.elsa.base = pci_resource_start(dev_qs1000, 3);
1032                 } else if ((dev_qs3000 = pci_find_device(PCI_VENDOR_ID_ELSA,
1033                         PCI_DEVICE_ID_ELSA_QS3000, dev_qs3000))) {
1034                         if (pci_enable_device(dev_qs3000))
1035                                 return(0);
1036                         cs->subtyp = ELSA_QS3000PCI;
1037                         cs->irq = dev_qs3000->irq;
1038                         cs->hw.elsa.cfg = pci_resource_start(dev_qs3000, 1);
1039                         cs->hw.elsa.base = pci_resource_start(dev_qs3000, 3);
1040                 } else {
1041                         printk(KERN_WARNING "Elsa: No PCI card found\n");
1042                         return(0);
1043                 }
1044                 if (!cs->irq) {
1045                         printk(KERN_WARNING "Elsa: No IRQ for PCI card found\n");
1046                         return(0);
1047                 }
1048
1049                 if (!(cs->hw.elsa.base && cs->hw.elsa.cfg)) {
1050                         printk(KERN_WARNING "Elsa: No IO-Adr for PCI card found\n");
1051                         return(0);
1052                 }
1053                 if ((cs->hw.elsa.cfg & 0xff) || (cs->hw.elsa.base & 0xf)) {
1054                         printk(KERN_WARNING "Elsa: You may have a wrong PCI bios\n");
1055                         printk(KERN_WARNING "Elsa: If your system hangs now, read\n");
1056                         printk(KERN_WARNING "Elsa: Documentation/isdn/README.HiSax\n");
1057                 }
1058                 cs->hw.elsa.ale  = cs->hw.elsa.base;
1059                 cs->hw.elsa.isac = cs->hw.elsa.base +1;
1060                 cs->hw.elsa.hscx = cs->hw.elsa.base +1; 
1061                 test_and_set_bit(HW_IPAC, &cs->HW_Flags);
1062                 cs->hw.elsa.timer = 0;
1063                 cs->hw.elsa.trig  = 0;
1064                 cs->irq_flags |= IRQF_SHARED;
1065                 printk(KERN_INFO
1066                        "Elsa: %s defined at %#lx/0x%x IRQ %d\n",
1067                        Elsa_Types[cs->subtyp],
1068                        cs->hw.elsa.base,
1069                        cs->hw.elsa.cfg,
1070                        cs->irq);
1071 #else
1072                 printk(KERN_WARNING "Elsa: Elsa PCI and NO_PCI_BIOS\n");
1073                 printk(KERN_WARNING "Elsa: unable to config Elsa PCI\n");
1074                 return (0);
1075 #endif /* CONFIG_PCI */
1076         } else 
1077                 return (0);
1078
1079         switch (cs->subtyp) {
1080                 case ELSA_PC:
1081                 case ELSA_PCC8:
1082                 case ELSA_PCC16:
1083                 case ELSA_QS1000:
1084                 case ELSA_PCMCIA:
1085                 case ELSA_PCMCIA_IPAC:
1086                         bytecnt = 8;
1087                         break;
1088                 case ELSA_PCFPRO:
1089                 case ELSA_PCF:
1090                 case ELSA_QS3000:
1091                 case ELSA_QS3000PCI:
1092                         bytecnt = 16;
1093                         break;
1094                 case ELSA_QS1000PCI:
1095                         bytecnt = 2;
1096                         break;
1097                 default:
1098                         printk(KERN_WARNING
1099                                "Unknown ELSA subtype %d\n", cs->subtyp);
1100                         return (0);
1101         }
1102         /* In case of the elsa pcmcia card, this region is in use,
1103            reserved for us by the card manager. So we do not check it
1104            here, it would fail. */
1105         if (cs->typ != ISDN_CTYPE_ELSA_PCMCIA && !request_region(cs->hw.elsa.base, bytecnt, "elsa isdn")) {
1106                 printk(KERN_WARNING
1107                        "HiSax: %s config port %#lx-%#lx already in use\n",
1108                        CardType[card->typ],
1109                        cs->hw.elsa.base,
1110                        cs->hw.elsa.base + bytecnt);
1111                 return (0);
1112         }
1113         if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI)) {
1114                 if (!request_region(cs->hw.elsa.cfg, 0x80, "elsa isdn pci")) {
1115                         printk(KERN_WARNING
1116                                "HiSax: %s pci port %x-%x already in use\n",
1117                                 CardType[card->typ],
1118                                 cs->hw.elsa.cfg,
1119                                 cs->hw.elsa.cfg + 0x80);
1120                         release_region(cs->hw.elsa.base, bytecnt);
1121                         return (0);
1122                 }
1123         }
1124 #if ARCOFI_USE
1125         init_arcofi(cs);
1126 #endif
1127         setup_isac(cs);
1128         cs->hw.elsa.tl.function = (void *) elsa_led_handler;
1129         cs->hw.elsa.tl.data = (long) cs;
1130         init_timer(&cs->hw.elsa.tl);
1131         /* Teste Timer */
1132         if (cs->hw.elsa.timer) {
1133                 byteout(cs->hw.elsa.trig, 0xff);
1134                 byteout(cs->hw.elsa.timer, 0);
1135                 if (!TimerRun(cs)) {
1136                         byteout(cs->hw.elsa.timer, 0);  /* 2. Versuch */
1137                         if (!TimerRun(cs)) {
1138                                 printk(KERN_WARNING
1139                                        "Elsa: timer do not start\n");
1140                                 release_io_elsa(cs);
1141                                 return (0);
1142                         }
1143                 }
1144                 HZDELAY((HZ/100) + 1);  /* wait >=10 ms */
1145                 if (TimerRun(cs)) {
1146                         printk(KERN_WARNING "Elsa: timer do not run down\n");
1147                         release_io_elsa(cs);
1148                         return (0);
1149                 }
1150                 printk(KERN_INFO "Elsa: timer OK; resetting card\n");
1151         }
1152         cs->BC_Read_Reg = &ReadHSCX;
1153         cs->BC_Write_Reg = &WriteHSCX;
1154         cs->BC_Send_Data = &hscx_fill_fifo;
1155         cs->cardmsg = &Elsa_card_msg;
1156         if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI) || (cs->subtyp == ELSA_PCMCIA_IPAC)) {
1157                 cs->readisac = &ReadISAC_IPAC;
1158                 cs->writeisac = &WriteISAC_IPAC;
1159                 cs->readisacfifo = &ReadISACfifo_IPAC;
1160                 cs->writeisacfifo = &WriteISACfifo_IPAC;
1161                 cs->irq_func = &elsa_interrupt_ipac;
1162                 val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ID);
1163                 printk(KERN_INFO "Elsa: IPAC version %x\n", val);
1164         } else {
1165                 cs->readisac = &ReadISAC;
1166                 cs->writeisac = &WriteISAC;
1167                 cs->readisacfifo = &ReadISACfifo;
1168                 cs->writeisacfifo = &WriteISACfifo;
1169                 cs->irq_func = &elsa_interrupt;
1170                 ISACVersion(cs, "Elsa:");
1171                 if (HscxVersion(cs, "Elsa:")) {
1172                         printk(KERN_WARNING
1173                                 "Elsa: wrong HSCX versions check IO address\n");
1174                         release_io_elsa(cs);
1175                         return (0);
1176                 }
1177         }
1178         if (cs->subtyp == ELSA_PC) {
1179                 val = readitac(cs, ITAC_SYS);
1180                 printk(KERN_INFO "Elsa: ITAC version %s\n", ITACVer[val & 7]);
1181                 writeitac(cs, ITAC_ISEN, 0);
1182                 writeitac(cs, ITAC_RFIE, 0);
1183                 writeitac(cs, ITAC_XFIE, 0);
1184                 writeitac(cs, ITAC_SCIE, 0);
1185                 writeitac(cs, ITAC_STIE, 0);
1186         }
1187         return (1);
1188 }