tty-ldisc: be more careful in 'put_ldisc' locking
[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 static const char *Elsa_revision = "$Revision: 2.32.2.4 $";
34 static const char *Elsa_Types[] =
35 {"None", "PC", "PCC-8", "PCC-16", "PCF", "PCF-Pro",
36  "PCMCIA", "QS 1000", "QS 3000", "Microlink PCI", "QS 3000 PCI", 
37  "PCMCIA-IPAC" };
38
39 static const char *ITACVer[] =
40 {"?0?", "?1?", "?2?", "?3?", "?4?", "V2.2",
41  "B1", "A1"};
42
43 #define byteout(addr,val) outb(val,addr)
44 #define bytein(addr) inb(addr)
45
46 #define ELSA_ISAC       0
47 #define ELSA_ISAC_PCM   1
48 #define ELSA_ITAC       1
49 #define ELSA_HSCX       2
50 #define ELSA_ALE        3
51 #define ELSA_ALE_PCM    4
52 #define ELSA_CONTROL    4
53 #define ELSA_CONFIG     5
54 #define ELSA_START_TIMER 6
55 #define ELSA_TRIG_IRQ   7
56
57 #define ELSA_PC      1
58 #define ELSA_PCC8    2
59 #define ELSA_PCC16   3
60 #define ELSA_PCF     4
61 #define ELSA_PCFPRO  5
62 #define ELSA_PCMCIA  6
63 #define ELSA_QS1000  7
64 #define ELSA_QS3000  8
65 #define ELSA_QS1000PCI 9
66 #define ELSA_QS3000PCI 10
67 #define ELSA_PCMCIA_IPAC 11
68
69 /* PCI stuff */
70 #define ELSA_PCI_IRQ_MASK       0x04
71
72 /* ITAC Registeradressen (only Microlink PC) */
73 #define ITAC_SYS        0x34
74 #define ITAC_ISEN       0x48
75 #define ITAC_RFIE       0x4A
76 #define ITAC_XFIE       0x4C
77 #define ITAC_SCIE       0x4E
78 #define ITAC_STIE       0x46
79
80 /***                                                                    ***
81  ***   Makros als Befehle fuer die Kartenregister                       ***
82  ***   (mehrere Befehle werden durch Bit-Oderung kombiniert)            ***
83  ***                                                                    ***/
84
85 /* Config-Register (Read) */
86 #define ELIRQF_TIMER_RUN       0x02     /* Bit 1 des Config-Reg     */
87 #define ELIRQF_TIMER_RUN_PCC8  0x01     /* Bit 0 des Config-Reg  bei PCC */
88 #define ELSA_IRQ_IDX       0x38 /* Bit 3,4,5 des Config-Reg */
89 #define ELSA_IRQ_IDX_PCC8  0x30 /* Bit 4,5 des Config-Reg */
90 #define ELSA_IRQ_IDX_PC    0x0c /* Bit 2,3 des Config-Reg */
91
92 /* Control-Register (Write) */
93 #define ELSA_LINE_LED        0x02       /* Bit 1 Gelbe LED */
94 #define ELSA_STAT_LED        0x08       /* Bit 3 Gruene LED */
95 #define ELSA_ISDN_RESET      0x20       /* Bit 5 Reset-Leitung */
96 #define ELSA_ENA_TIMER_INT   0x80       /* Bit 7 Freigabe Timer Interrupt */
97
98 /* ALE-Register (Read) */
99 #define ELSA_HW_RELEASE      0x07       /* Bit 0-2 Hardwarerkennung */
100 #define ELSA_S0_POWER_BAD    0x08       /* Bit 3 S0-Bus Spannung fehlt */
101
102 /* Status Flags */
103 #define ELIRQF_TIMER_AKTIV 1
104 #define ELSA_BAD_PWR     2
105 #define ELSA_ASSIGN      4
106
107 #define RS_ISR_PASS_LIMIT 256
108 #define FLG_MODEM_ACTIVE 1
109 /* IPAC AUX */
110 #define ELSA_IPAC_LINE_LED      0x40    /* Bit 6 Gelbe LED */
111 #define ELSA_IPAC_STAT_LED      0x80    /* Bit 7 Gruene LED */
112
113 #if ARCOFI_USE
114 static struct arcofi_msg ARCOFI_XOP_F =
115         {NULL,0,2,{0xa1,0x3f,0,0,0,0,0,0,0,0}}; /* Normal OP */
116 static struct arcofi_msg ARCOFI_XOP_1 =
117         {&ARCOFI_XOP_F,0,2,{0xa1,0x31,0,0,0,0,0,0,0,0}}; /* PWR UP */
118 static struct arcofi_msg ARCOFI_SOP_F = 
119         {&ARCOFI_XOP_1,0,10,{0xa1,0x1f,0x00,0x50,0x10,0x00,0x00,0x80,0x02,0x12}};
120 static struct arcofi_msg ARCOFI_COP_9 =
121         {&ARCOFI_SOP_F,0,10,{0xa1,0x29,0x80,0xcb,0xe9,0x88,0x00,0xc8,0xd8,0x80}}; /* RX */
122 static struct arcofi_msg ARCOFI_COP_8 =
123         {&ARCOFI_COP_9,0,10,{0xa1,0x28,0x49,0x31,0x8,0x13,0x6e,0x88,0x2a,0x61}}; /* TX */
124 static struct arcofi_msg ARCOFI_COP_7 =
125         {&ARCOFI_COP_8,0,4,{0xa1,0x27,0x80,0x80,0,0,0,0,0,0}}; /* GZ */
126 static struct arcofi_msg ARCOFI_COP_6 =
127         {&ARCOFI_COP_7,0,6,{0xa1,0x26,0,0,0x82,0x7c,0,0,0,0}}; /* GRL GRH */
128 static struct arcofi_msg ARCOFI_COP_5 =
129         {&ARCOFI_COP_6,0,4,{0xa1,0x25,0xbb,0x4a,0,0,0,0,0,0}}; /* GTX */
130 static struct arcofi_msg ARCOFI_VERSION =
131         {NULL,1,2,{0xa0,0,0,0,0,0,0,0,0,0}};
132 static struct arcofi_msg ARCOFI_XOP_0 =
133         {NULL,0,2,{0xa1,0x30,0,0,0,0,0,0,0,0}}; /* PWR Down */
134
135 static void set_arcofi(struct IsdnCardState *cs, int bc);
136
137 #include "elsa_ser.c"
138 #endif /* ARCOFI_USE */
139
140 static inline u_char
141 readreg(unsigned int ale, unsigned int adr, u_char off)
142 {
143         register u_char ret;
144
145         byteout(ale, off);
146         ret = bytein(adr);
147         return (ret);
148 }
149
150 static inline void
151 readfifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
152 {
153         byteout(ale, off);
154         insb(adr, data, size);
155 }
156
157
158 static inline void
159 writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
160 {
161         byteout(ale, off);
162         byteout(adr, data);
163 }
164
165 static inline void
166 writefifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
167 {
168         byteout(ale, off);
169         outsb(adr, data, size);
170 }
171
172 /* Interface functions */
173
174 static u_char
175 ReadISAC(struct IsdnCardState *cs, u_char offset)
176 {
177         return (readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset));
178 }
179
180 static void
181 WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
182 {
183         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset, value);
184 }
185
186 static void
187 ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size)
188 {
189         readfifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0, data, size);
190 }
191
192 static void
193 WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size)
194 {
195         writefifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0, data, size);
196 }
197
198 static u_char
199 ReadISAC_IPAC(struct IsdnCardState *cs, u_char offset)
200 {
201         return (readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset+0x80));
202 }
203
204 static void
205 WriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value)
206 {
207         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset|0x80, value);
208 }
209
210 static void
211 ReadISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size)
212 {
213         readfifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0x80, data, size);
214 }
215
216 static void
217 WriteISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size)
218 {
219         writefifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0x80, data, size);
220 }
221
222 static u_char
223 ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
224 {
225         return (readreg(cs->hw.elsa.ale,
226                         cs->hw.elsa.hscx, offset + (hscx ? 0x40 : 0)));
227 }
228
229 static void
230 WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
231 {
232         writereg(cs->hw.elsa.ale,
233                  cs->hw.elsa.hscx, offset + (hscx ? 0x40 : 0), value);
234 }
235
236 static inline u_char
237 readitac(struct IsdnCardState *cs, u_char off)
238 {
239         register u_char ret;
240
241         byteout(cs->hw.elsa.ale, off);
242         ret = bytein(cs->hw.elsa.itac);
243         return (ret);
244 }
245
246 static inline void
247 writeitac(struct IsdnCardState *cs, u_char off, u_char data)
248 {
249         byteout(cs->hw.elsa.ale, off);
250         byteout(cs->hw.elsa.itac, data);
251 }
252
253 static inline int
254 TimerRun(struct IsdnCardState *cs)
255 {
256         register u_char v;
257
258         v = bytein(cs->hw.elsa.cfg);
259         if ((cs->subtyp == ELSA_QS1000) || (cs->subtyp == ELSA_QS3000))
260                 return (0 == (v & ELIRQF_TIMER_RUN));
261         else if (cs->subtyp == ELSA_PCC8)
262                 return (v & ELIRQF_TIMER_RUN_PCC8);
263         return (v & ELIRQF_TIMER_RUN);
264 }
265 /*
266  * fast interrupt HSCX stuff goes here
267  */
268
269 #define READHSCX(cs, nr, reg) readreg(cs->hw.elsa.ale, \
270                 cs->hw.elsa.hscx, reg + (nr ? 0x40 : 0))
271 #define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.elsa.ale, \
272                 cs->hw.elsa.hscx, reg + (nr ? 0x40 : 0), data)
273
274 #define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.elsa.ale, \
275                 cs->hw.elsa.hscx, (nr ? 0x40 : 0), ptr, cnt)
276
277 #define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.elsa.ale, \
278                 cs->hw.elsa.hscx, (nr ? 0x40 : 0), ptr, cnt)
279
280 #include "hscx_irq.c"
281
282 static irqreturn_t
283 elsa_interrupt(int intno, void *dev_id)
284 {
285         struct IsdnCardState *cs = dev_id;
286         u_long flags;
287         u_char val;
288         int icnt=5;
289
290         if ((cs->typ == ISDN_CTYPE_ELSA_PCMCIA) && (*cs->busy_flag == 1)) {
291         /* The card tends to generate interrupts while being removed
292            causing us to just crash the kernel. bad. */
293                 printk(KERN_WARNING "Elsa: card not available!\n");
294                 return IRQ_NONE;
295         }
296         spin_lock_irqsave(&cs->lock, flags);
297 #if ARCOFI_USE
298         if (cs->hw.elsa.MFlag) {
299                 val = serial_inp(cs, UART_IIR);
300                 if (!(val & UART_IIR_NO_INT)) {
301                         debugl1(cs,"IIR %02x", val);
302                         rs_interrupt_elsa(cs);
303                 }
304         }
305 #endif
306         val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40);
307       Start_HSCX:
308         if (val) {
309                 hscx_int_main(cs, val);
310         }
311         val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA);
312       Start_ISAC:
313         if (val) {
314                 isac_interrupt(cs, val);
315         }
316         val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40);
317         if (val && icnt) {
318                 if (cs->debug & L1_DEB_HSCX)
319                         debugl1(cs, "HSCX IntStat after IntRoutine");
320                 icnt--;
321                 goto Start_HSCX;
322         }
323         val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA);
324         if (val && icnt) {
325                 if (cs->debug & L1_DEB_ISAC)
326                         debugl1(cs, "ISAC IntStat after IntRoutine");
327                 icnt--;
328                 goto Start_ISAC;
329         }
330         if (!icnt)
331                 printk(KERN_WARNING"ELSA IRQ LOOP\n");
332         writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK, 0xFF);
333         writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK + 0x40, 0xFF);
334         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_MASK, 0xFF);
335         if (cs->hw.elsa.status & ELIRQF_TIMER_AKTIV) {
336                 if (!TimerRun(cs)) {
337                         /* Timer Restart */
338                         byteout(cs->hw.elsa.timer, 0);
339                         cs->hw.elsa.counter++;
340                 }
341         }
342 #if ARCOFI_USE
343         if (cs->hw.elsa.MFlag) {
344                 val = serial_inp(cs, UART_MCR);
345                 val ^= 0x8;
346                 serial_outp(cs, UART_MCR, val);
347                 val = serial_inp(cs, UART_MCR);
348                 val ^= 0x8;
349                 serial_outp(cs, UART_MCR, val);
350         }
351 #endif
352         if (cs->hw.elsa.trig)
353                 byteout(cs->hw.elsa.trig, 0x00);
354         writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK, 0x0);
355         writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK + 0x40, 0x0);
356         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_MASK, 0x0);
357         spin_unlock_irqrestore(&cs->lock, flags);
358         return IRQ_HANDLED;
359 }
360
361 static irqreturn_t
362 elsa_interrupt_ipac(int intno, void *dev_id)
363 {
364         struct IsdnCardState *cs = dev_id;
365         u_long flags;
366         u_char ista,val;
367         int icnt=5;
368
369         spin_lock_irqsave(&cs->lock, flags);
370         if (cs->subtyp == ELSA_QS1000PCI || cs->subtyp == ELSA_QS3000PCI) {
371                 val = bytein(cs->hw.elsa.cfg + 0x4c); /* PCI IRQ */
372                 if (!(val & ELSA_PCI_IRQ_MASK)) {
373                         spin_unlock_irqrestore(&cs->lock, flags);
374                         return IRQ_NONE;
375                 }
376         }
377 #if ARCOFI_USE
378         if (cs->hw.elsa.MFlag) {
379                 val = serial_inp(cs, UART_IIR);
380                 if (!(val & UART_IIR_NO_INT)) {
381                         debugl1(cs,"IIR %02x", val);
382                         rs_interrupt_elsa(cs);
383                 }
384         }
385 #endif
386         ista = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ISTA);
387 Start_IPAC:
388         if (cs->debug & L1_DEB_IPAC)
389                 debugl1(cs, "IPAC ISTA %02X", ista);
390         if (ista & 0x0f) {
391                 val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40);
392                 if (ista & 0x01)
393                         val |= 0x01;
394                 if (ista & 0x04)
395                         val |= 0x02;
396                 if (ista & 0x08)
397                         val |= 0x04;
398                 if (val)
399                         hscx_int_main(cs, val);
400         }
401         if (ista & 0x20) {
402                 val = 0xfe & readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA + 0x80);
403                 if (val) {
404                         isac_interrupt(cs, val);
405                 }
406         }
407         if (ista & 0x10) {
408                 val = 0x01;
409                 isac_interrupt(cs, val);
410         }
411         ista  = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ISTA);
412         if ((ista & 0x3f) && icnt) {
413                 icnt--;
414                 goto Start_IPAC;
415         }
416         if (!icnt)
417                 printk(KERN_WARNING "ELSA IRQ LOOP\n");
418         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xFF);
419         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xC0);
420         spin_unlock_irqrestore(&cs->lock, flags);
421         return IRQ_HANDLED;
422 }
423
424 static void
425 release_io_elsa(struct IsdnCardState *cs)
426 {
427         int bytecnt = 8;
428
429         del_timer(&cs->hw.elsa.tl);
430 #if ARCOFI_USE
431         clear_arcofi(cs);
432 #endif
433         if (cs->hw.elsa.ctrl)
434                 byteout(cs->hw.elsa.ctrl, 0);   /* LEDs Out */
435         if (cs->subtyp == ELSA_QS1000PCI) {
436                 byteout(cs->hw.elsa.cfg + 0x4c, 0x01);  /* disable IRQ */
437                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
438                 bytecnt = 2;
439                 release_region(cs->hw.elsa.cfg, 0x80);
440         }
441         if (cs->subtyp == ELSA_QS3000PCI) {
442                 byteout(cs->hw.elsa.cfg + 0x4c, 0x03); /* disable ELSA PCI IRQ */
443                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
444                 release_region(cs->hw.elsa.cfg, 0x80);
445         }
446         if (cs->subtyp == ELSA_PCMCIA_IPAC) {
447                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
448         }
449         if ((cs->subtyp == ELSA_PCFPRO) ||
450                 (cs->subtyp == ELSA_QS3000) ||
451                 (cs->subtyp == ELSA_PCF) ||
452                 (cs->subtyp == ELSA_QS3000PCI)) {
453                 bytecnt = 16;
454 #if ARCOFI_USE
455                 release_modem(cs);
456 #endif
457         }
458         if (cs->hw.elsa.base)
459                 release_region(cs->hw.elsa.base, bytecnt);
460 }
461
462 static void
463 reset_elsa(struct IsdnCardState *cs)
464 {
465         if (cs->hw.elsa.timer) {
466                 /* Wait 1 Timer */
467                 byteout(cs->hw.elsa.timer, 0);
468                 while (TimerRun(cs));
469                 cs->hw.elsa.ctrl_reg |= 0x50;
470                 cs->hw.elsa.ctrl_reg &= ~ELSA_ISDN_RESET;       /* Reset On */
471                 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
472                 /* Wait 1 Timer */
473                 byteout(cs->hw.elsa.timer, 0);
474                 while (TimerRun(cs));
475                 cs->hw.elsa.ctrl_reg |= ELSA_ISDN_RESET;        /* Reset Off */
476                 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
477                 /* Wait 1 Timer */
478                 byteout(cs->hw.elsa.timer, 0);
479                 while (TimerRun(cs));
480                 if (cs->hw.elsa.trig)
481                         byteout(cs->hw.elsa.trig, 0xff);
482         }
483         if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI) || (cs->subtyp == ELSA_PCMCIA_IPAC)) {
484                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_POTA2, 0x20);
485                 mdelay(10);
486                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_POTA2, 0x00);
487                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xc0);
488                 mdelay(10);
489                 if (cs->subtyp != ELSA_PCMCIA_IPAC) {
490                         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ACFG, 0x0);
491                         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_AOE, 0x3c);
492                 } else {
493                         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_PCFG, 0x10);
494                         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ACFG, 0x4);
495                         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_AOE, 0xf8);
496                 }
497                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
498                 if (cs->subtyp == ELSA_QS1000PCI)
499                         byteout(cs->hw.elsa.cfg + 0x4c, 0x41); /* enable ELSA PCI IRQ */
500                 else if (cs->subtyp == ELSA_QS3000PCI)
501                         byteout(cs->hw.elsa.cfg + 0x4c, 0x43); /* enable ELSA PCI IRQ */
502         }
503 }
504
505 #if ARCOFI_USE
506
507 static void
508 set_arcofi(struct IsdnCardState *cs, int bc) {
509         cs->dc.isac.arcofi_bc = bc;
510         arcofi_fsm(cs, ARCOFI_START, &ARCOFI_COP_5);
511         interruptible_sleep_on(&cs->dc.isac.arcofi_wait);
512 }
513
514 static int
515 check_arcofi(struct IsdnCardState *cs)
516 {
517         int arcofi_present = 0;
518         char tmp[40];
519         char *t;
520         u_char *p;
521
522         if (!cs->dc.isac.mon_tx)
523                 if (!(cs->dc.isac.mon_tx=kmalloc(MAX_MON_FRAME, GFP_ATOMIC))) {
524                         if (cs->debug & L1_DEB_WARN)
525                                 debugl1(cs, "ISAC MON TX out of buffers!");
526                         return(0);
527                 }
528         cs->dc.isac.arcofi_bc = 0;
529         arcofi_fsm(cs, ARCOFI_START, &ARCOFI_VERSION);
530         interruptible_sleep_on(&cs->dc.isac.arcofi_wait);
531         if (!test_and_clear_bit(FLG_ARCOFI_ERROR, &cs->HW_Flags)) {
532                         debugl1(cs, "Arcofi response received %d bytes", cs->dc.isac.mon_rxp);
533                         p = cs->dc.isac.mon_rx;
534                         t = tmp;
535                         t += sprintf(tmp, "Arcofi data");
536                         QuickHex(t, p, cs->dc.isac.mon_rxp);
537                         debugl1(cs, tmp);
538                         if ((cs->dc.isac.mon_rxp == 2) && (cs->dc.isac.mon_rx[0] == 0xa0)) {
539                                 switch(cs->dc.isac.mon_rx[1]) {
540                                         case 0x80:
541                                                 debugl1(cs, "Arcofi 2160 detected");
542                                                 arcofi_present = 1;
543                                                 break;
544                                         case 0x82:
545                                                 debugl1(cs, "Arcofi 2165 detected");
546                                                 arcofi_present = 2;
547                                                 break;
548                                         case 0x84:
549                                                 debugl1(cs, "Arcofi 2163 detected");
550                                                 arcofi_present = 3;
551                                                 break;
552                                         default:
553                                                 debugl1(cs, "unknown Arcofi response");
554                                                 break;
555                                 }
556                         } else
557                                 debugl1(cs, "undefined Monitor response");
558                         cs->dc.isac.mon_rxp = 0;
559         } else if (cs->dc.isac.mon_tx) {
560                 debugl1(cs, "Arcofi not detected");
561         }
562         if (arcofi_present) {
563                 if (cs->subtyp==ELSA_QS1000) {
564                         cs->subtyp = ELSA_QS3000;
565                         printk(KERN_INFO
566                                 "Elsa: %s detected modem at 0x%lx\n",
567                                 Elsa_Types[cs->subtyp],
568                                 cs->hw.elsa.base+8);
569                         release_region(cs->hw.elsa.base, 8);
570                         if (!request_region(cs->hw.elsa.base, 16, "elsa isdn modem")) {
571                                 printk(KERN_WARNING
572                                         "HiSax: %s config port %lx-%lx already in use\n",
573                                         Elsa_Types[cs->subtyp],
574                                         cs->hw.elsa.base + 8,
575                                         cs->hw.elsa.base + 16);
576                         }
577                 } else if (cs->subtyp==ELSA_PCC16) {
578                         cs->subtyp = ELSA_PCF;
579                         printk(KERN_INFO
580                                 "Elsa: %s detected modem at 0x%lx\n",
581                                 Elsa_Types[cs->subtyp],
582                                 cs->hw.elsa.base+8);
583                         release_region(cs->hw.elsa.base, 8);
584                         if (!request_region(cs->hw.elsa.base, 16, "elsa isdn modem")) {
585                                 printk(KERN_WARNING
586                                         "HiSax: %s config port %lx-%lx already in use\n",
587                                         Elsa_Types[cs->subtyp],
588                                         cs->hw.elsa.base + 8,
589                                         cs->hw.elsa.base + 16);
590                         }
591                 } else
592                         printk(KERN_INFO
593                                 "Elsa: %s detected modem at 0x%lx\n",
594                                 Elsa_Types[cs->subtyp],
595                                 cs->hw.elsa.base+8);
596                 arcofi_fsm(cs, ARCOFI_START, &ARCOFI_XOP_0);
597                 interruptible_sleep_on(&cs->dc.isac.arcofi_wait);
598                 return(1);
599         }
600         return(0);
601 }
602 #endif /* ARCOFI_USE */
603
604 static void
605 elsa_led_handler(struct IsdnCardState *cs)
606 {
607         int blink = 0;
608
609         if (cs->subtyp == ELSA_PCMCIA || cs->subtyp == ELSA_PCMCIA_IPAC)
610                 return;
611         del_timer(&cs->hw.elsa.tl);
612         if (cs->hw.elsa.status & ELSA_ASSIGN)
613                 cs->hw.elsa.ctrl_reg |= ELSA_STAT_LED;
614         else if (cs->hw.elsa.status & ELSA_BAD_PWR)
615                 cs->hw.elsa.ctrl_reg &= ~ELSA_STAT_LED;
616         else {
617                 cs->hw.elsa.ctrl_reg ^= ELSA_STAT_LED;
618                 blink = 250;
619         }
620         if (cs->hw.elsa.status & 0xf000)
621                 cs->hw.elsa.ctrl_reg |= ELSA_LINE_LED;
622         else if (cs->hw.elsa.status & 0x0f00) {
623                 cs->hw.elsa.ctrl_reg ^= ELSA_LINE_LED;
624                 blink = 500;
625         } else
626                 cs->hw.elsa.ctrl_reg &= ~ELSA_LINE_LED;
627
628         if ((cs->subtyp == ELSA_QS1000PCI) ||
629                 (cs->subtyp == ELSA_QS3000PCI)) {
630                 u_char led = 0xff;
631                 if (cs->hw.elsa.ctrl_reg & ELSA_LINE_LED)
632                         led ^= ELSA_IPAC_LINE_LED;
633                 if (cs->hw.elsa.ctrl_reg & ELSA_STAT_LED)
634                         led ^= ELSA_IPAC_STAT_LED;
635                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, led);
636         } else
637                 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
638         if (blink) {
639                 init_timer(&cs->hw.elsa.tl);
640                 cs->hw.elsa.tl.expires = jiffies + ((blink * HZ) / 1000);
641                 add_timer(&cs->hw.elsa.tl);
642         }
643 }
644
645 static int
646 Elsa_card_msg(struct IsdnCardState *cs, int mt, void *arg)
647 {
648         int ret = 0;
649         u_long flags;
650
651         switch (mt) {
652                 case CARD_RESET:
653                         spin_lock_irqsave(&cs->lock, flags);
654                         reset_elsa(cs);
655                         spin_unlock_irqrestore(&cs->lock, flags);
656                         return(0);
657                 case CARD_RELEASE:
658                         release_io_elsa(cs);
659                         return(0);
660                 case CARD_INIT:
661                         spin_lock_irqsave(&cs->lock, flags);
662                         cs->debug |= L1_DEB_IPAC;
663                         reset_elsa(cs);
664                         inithscxisac(cs, 1);
665                         if ((cs->subtyp == ELSA_QS1000) ||
666                             (cs->subtyp == ELSA_QS3000))
667                         {
668                                 byteout(cs->hw.elsa.timer, 0);
669                         }
670                         if (cs->hw.elsa.trig)
671                                 byteout(cs->hw.elsa.trig, 0xff);
672                         inithscxisac(cs, 2);
673                         spin_unlock_irqrestore(&cs->lock, flags);
674                         return(0);
675                 case CARD_TEST:
676                         if ((cs->subtyp == ELSA_PCMCIA) ||
677                                 (cs->subtyp == ELSA_PCMCIA_IPAC) ||
678                                 (cs->subtyp == ELSA_QS1000PCI)) {
679                                 return(0);
680                         } else if (cs->subtyp == ELSA_QS3000PCI) {
681                                 ret = 0;
682                         } else {
683                                 spin_lock_irqsave(&cs->lock, flags);
684                                 cs->hw.elsa.counter = 0;
685                                 cs->hw.elsa.ctrl_reg |= ELSA_ENA_TIMER_INT;
686                                 cs->hw.elsa.status |= ELIRQF_TIMER_AKTIV;
687                                 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
688                                 byteout(cs->hw.elsa.timer, 0);
689                                 spin_unlock_irqrestore(&cs->lock, flags);
690                                 msleep(110);
691                                 spin_lock_irqsave(&cs->lock, flags);
692                                 cs->hw.elsa.ctrl_reg &= ~ELSA_ENA_TIMER_INT;
693                                 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
694                                 cs->hw.elsa.status &= ~ELIRQF_TIMER_AKTIV;
695                                 spin_unlock_irqrestore(&cs->lock, flags);
696                                 printk(KERN_INFO "Elsa: %d timer tics in 110 msek\n",
697                                        cs->hw.elsa.counter);
698                                 if ((cs->hw.elsa.counter > 10) &&
699                                         (cs->hw.elsa.counter < 16)) {
700                                         printk(KERN_INFO "Elsa: timer and irq OK\n");
701                                         ret = 0;
702                                 } else {
703                                         printk(KERN_WARNING
704                                                "Elsa: timer tic problem (%d/12) maybe an IRQ(%d) conflict\n",
705                                                cs->hw.elsa.counter, cs->irq);
706                                         ret = 1;
707                                 }
708                         }
709 #if ARCOFI_USE
710                         if (check_arcofi(cs)) {
711                                 init_modem(cs);
712                         }
713 #endif
714                         elsa_led_handler(cs);
715                         return(ret);
716                 case (MDL_REMOVE | REQUEST):
717                         cs->hw.elsa.status &= 0;
718                         break;
719                 case (MDL_ASSIGN | REQUEST):
720                         cs->hw.elsa.status |= ELSA_ASSIGN;
721                         break;
722                 case MDL_INFO_SETUP:
723                         if ((long) arg)
724                                 cs->hw.elsa.status |= 0x0200;
725                         else
726                                 cs->hw.elsa.status |= 0x0100;
727                         break;
728                 case MDL_INFO_CONN:
729                         if ((long) arg)
730                                 cs->hw.elsa.status |= 0x2000;
731                         else
732                                 cs->hw.elsa.status |= 0x1000;
733                         break;
734                 case MDL_INFO_REL:
735                         if ((long) arg) {
736                                 cs->hw.elsa.status &= ~0x2000;
737                                 cs->hw.elsa.status &= ~0x0200;
738                         } else {
739                                 cs->hw.elsa.status &= ~0x1000;
740                                 cs->hw.elsa.status &= ~0x0100;
741                         }
742                         break;
743 #if ARCOFI_USE
744                 case CARD_AUX_IND:
745                         if (cs->hw.elsa.MFlag) {
746                                 int len;
747                                 u_char *msg;
748
749                                 if (!arg)
750                                         return(0);
751                                 msg = arg;
752                                 len = *msg;
753                                 msg++;
754                                 modem_write_cmd(cs, msg, len);
755                         }
756                         break;
757 #endif
758         }
759         if (cs->typ == ISDN_CTYPE_ELSA) {
760                 int pwr = bytein(cs->hw.elsa.ale);
761                 if (pwr & 0x08)
762                         cs->hw.elsa.status |= ELSA_BAD_PWR;
763                 else
764                         cs->hw.elsa.status &= ~ELSA_BAD_PWR;
765         }
766         elsa_led_handler(cs);
767         return(ret);
768 }
769
770 static unsigned char
771 probe_elsa_adr(unsigned int adr, int typ)
772 {
773         int i, in1, in2, p16_1 = 0, p16_2 = 0, p8_1 = 0, p8_2 = 0, pc_1 = 0,
774          pc_2 = 0, pfp_1 = 0, pfp_2 = 0;
775
776         /* In case of the elsa pcmcia card, this region is in use,
777            reserved for us by the card manager. So we do not check it
778            here, it would fail. */
779         if (typ != ISDN_CTYPE_ELSA_PCMCIA) {
780                 if (request_region(adr, 8, "elsa card")) {
781                         release_region(adr, 8);
782                 } else {
783                         printk(KERN_WARNING
784                                "Elsa: Probing Port 0x%x: already in use\n", adr);
785                         return (0);
786                 }
787         }
788         for (i = 0; i < 16; i++) {
789                 in1 = inb(adr + ELSA_CONFIG);   /* 'toggelt' bei */
790                 in2 = inb(adr + ELSA_CONFIG);   /* jedem Zugriff */
791                 p16_1 += 0x04 & in1;
792                 p16_2 += 0x04 & in2;
793                 p8_1 += 0x02 & in1;
794                 p8_2 += 0x02 & in2;
795                 pc_1 += 0x01 & in1;
796                 pc_2 += 0x01 & in2;
797                 pfp_1 += 0x40 & in1;
798                 pfp_2 += 0x40 & in2;
799         }
800         printk(KERN_INFO "Elsa: Probing IO 0x%x", adr);
801         if (65 == ++p16_1 * ++p16_2) {
802                 printk(" PCC-16/PCF found\n");
803                 return (ELSA_PCC16);
804         } else if (1025 == ++pfp_1 * ++pfp_2) {
805                 printk(" PCF-Pro found\n");
806                 return (ELSA_PCFPRO);
807         } else if (33 == ++p8_1 * ++p8_2) {
808                 printk(" PCC8 found\n");
809                 return (ELSA_PCC8);
810         } else if (17 == ++pc_1 * ++pc_2) {
811                 printk(" PC found\n");
812                 return (ELSA_PC);
813         } else {
814                 printk(" failed\n");
815                 return (0);
816         }
817 }
818
819 static unsigned int
820 probe_elsa(struct IsdnCardState *cs)
821 {
822         int i;
823         unsigned int CARD_portlist[] =
824         {0x160, 0x170, 0x260, 0x360, 0};
825
826         for (i = 0; CARD_portlist[i]; i++) {
827                 if ((cs->subtyp = probe_elsa_adr(CARD_portlist[i], cs->typ)))
828                         break;
829         }
830         return (CARD_portlist[i]);
831 }
832
833 static int __devinit
834 setup_elsa_isa(struct IsdnCard *card)
835 {
836         struct IsdnCardState *cs = card->cs;
837         u_char val;
838
839         cs->hw.elsa.base = card->para[0];
840         printk(KERN_INFO "Elsa: Microlink IO probing\n");
841         if (cs->hw.elsa.base) {
842                 if (!(cs->subtyp = probe_elsa_adr(cs->hw.elsa.base,
843                                                   cs->typ))) {
844                         printk(KERN_WARNING
845                                "Elsa: no Elsa Microlink at %#lx\n",
846                                cs->hw.elsa.base);
847                         return (0);
848                 }
849         } else
850                 cs->hw.elsa.base = probe_elsa(cs);
851
852         if (!cs->hw.elsa.base) {
853                 printk(KERN_WARNING
854                        "No Elsa Microlink found\n");
855                 return (0);
856         }
857
858         cs->hw.elsa.cfg = cs->hw.elsa.base + ELSA_CONFIG;
859         cs->hw.elsa.ctrl = cs->hw.elsa.base + ELSA_CONTROL;
860         cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE;
861         cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC;
862         cs->hw.elsa.itac = cs->hw.elsa.base + ELSA_ITAC;
863         cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
864         cs->hw.elsa.trig = cs->hw.elsa.base + ELSA_TRIG_IRQ;
865         cs->hw.elsa.timer = cs->hw.elsa.base + ELSA_START_TIMER;
866         val = bytein(cs->hw.elsa.cfg);
867         if (cs->subtyp == ELSA_PC) {
868                 const u_char CARD_IrqTab[8] =
869                 {7, 3, 5, 9, 0, 0, 0, 0};
870                 cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX_PC) >> 2];
871         } else if (cs->subtyp == ELSA_PCC8) {
872                 const u_char CARD_IrqTab[8] =
873                 {7, 3, 5, 9, 0, 0, 0, 0};
874                 cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX_PCC8) >> 4];
875         } else {
876                 const u_char CARD_IrqTab[8] =
877                 {15, 10, 15, 3, 11, 5, 11, 9};
878                 cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX) >> 3];
879         }
880         val = bytein(cs->hw.elsa.ale) & ELSA_HW_RELEASE;
881         if (val < 3)
882                 val |= 8;
883         val += 'A' - 3;
884         if (val == 'B' || val == 'C')
885                 val ^= 1;
886         if ((cs->subtyp == ELSA_PCFPRO) && (val == 'G'))
887                 val = 'C';
888         printk(KERN_INFO
889                "Elsa: %s found at %#lx Rev.:%c IRQ %d\n",
890                Elsa_Types[cs->subtyp],
891                cs->hw.elsa.base,
892                val, cs->irq);
893         val = bytein(cs->hw.elsa.ale) & ELSA_S0_POWER_BAD;
894         if (val) {
895                 printk(KERN_WARNING
896                    "Elsa: Microlink S0 bus power bad\n");
897                 cs->hw.elsa.status |= ELSA_BAD_PWR;
898         }
899
900         return (1);
901 }
902
903 #ifdef __ISAPNP__
904 static struct isapnp_device_id elsa_ids[] __devinitdata = {
905         { ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0133),
906           ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0133), 
907           (unsigned long) "Elsa QS1000" },
908         { ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0134),
909           ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0134), 
910           (unsigned long) "Elsa QS3000" },
911         { 0, }
912 };
913
914 static struct isapnp_device_id *ipid __devinitdata = &elsa_ids[0];
915 static struct pnp_card *pnp_c __devinitdata = NULL;
916 #endif  /* __ISAPNP__ */
917
918 static int __devinit
919 setup_elsa_isapnp(struct IsdnCard *card)
920 {
921         struct IsdnCardState *cs = card->cs;
922
923 #ifdef __ISAPNP__
924         if (!card->para[1] && isapnp_present()) {
925                 struct pnp_dev *pnp_d;
926                 while(ipid->card_vendor) {
927                         if ((pnp_c = pnp_find_card(ipid->card_vendor,
928                                 ipid->card_device, pnp_c))) {
929                                 pnp_d = NULL;
930                                 if ((pnp_d = pnp_find_dev(pnp_c,
931                                         ipid->vendor, ipid->function, pnp_d))) {
932                                         int err;
933
934                                         printk(KERN_INFO "HiSax: %s detected\n",
935                                                 (char *)ipid->driver_data);
936                                         pnp_disable_dev(pnp_d);
937                                         err = pnp_activate_dev(pnp_d);
938                                         if (err<0) {
939                                                 printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
940                                                         __func__, err);
941                                                 return(0);
942                                         }
943                                         card->para[1] = pnp_port_start(pnp_d, 0);
944                                         card->para[0] = pnp_irq(pnp_d, 0);
945
946                                         if (!card->para[0] || !card->para[1]) {
947                                                 printk(KERN_ERR "Elsa PnP:some resources are missing %ld/%lx\n",
948                                                         card->para[0], card->para[1]);
949                                                 pnp_disable_dev(pnp_d);
950                                                 return(0);
951                                         }
952                                         if (ipid->function == ISAPNP_FUNCTION(0x133))
953                                                 cs->subtyp = ELSA_QS1000;
954                                         else
955                                                 cs->subtyp = ELSA_QS3000;
956                                         break;
957                                 } else {
958                                         printk(KERN_ERR "Elsa PnP: PnP error card found, no device\n");
959                                         return(0);
960                                 }
961                         }
962                         ipid++;
963                         pnp_c=NULL;
964                 } 
965                 if (!ipid->card_vendor) {
966                         printk(KERN_INFO "Elsa PnP: no ISAPnP card found\n");
967                         return(0);
968                 }
969         }
970 #endif  /* __ISAPNP__ */
971
972         if (card->para[1] && card->para[0]) { 
973                 cs->hw.elsa.base = card->para[1];
974                 cs->irq = card->para[0];
975                 if (!cs->subtyp)
976                         cs->subtyp = ELSA_QS1000;
977         } else {
978                 printk(KERN_ERR "Elsa PnP: no parameter\n");
979         }
980         cs->hw.elsa.cfg = cs->hw.elsa.base + ELSA_CONFIG;
981         cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE;
982         cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC;
983         cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
984         cs->hw.elsa.trig = cs->hw.elsa.base + ELSA_TRIG_IRQ;
985         cs->hw.elsa.timer = cs->hw.elsa.base + ELSA_START_TIMER;
986         cs->hw.elsa.ctrl = cs->hw.elsa.base + ELSA_CONTROL;
987         printk(KERN_INFO
988                "Elsa: %s defined at %#lx IRQ %d\n",
989                Elsa_Types[cs->subtyp],
990                cs->hw.elsa.base,
991                cs->irq);
992
993         return (1);
994 }
995
996 static void __devinit
997 setup_elsa_pcmcia(struct IsdnCard *card)
998 {
999         struct IsdnCardState *cs = card->cs;
1000         u_char val;
1001
1002         cs->hw.elsa.base = card->para[1];
1003         cs->irq = card->para[0];
1004         val = readreg(cs->hw.elsa.base + 0, cs->hw.elsa.base + 2, IPAC_ID);
1005         if ((val == 1) || (val == 2)) { /* IPAC version 1.1/1.2 */
1006                 cs->subtyp = ELSA_PCMCIA_IPAC;
1007                 cs->hw.elsa.ale = cs->hw.elsa.base + 0;
1008                 cs->hw.elsa.isac = cs->hw.elsa.base + 2;
1009                 cs->hw.elsa.hscx = cs->hw.elsa.base + 2;
1010                 test_and_set_bit(HW_IPAC, &cs->HW_Flags);
1011         } else {
1012                 cs->subtyp = ELSA_PCMCIA;
1013                 cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE_PCM;
1014                 cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC_PCM;
1015                 cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
1016         }
1017         cs->hw.elsa.timer = 0;
1018         cs->hw.elsa.trig = 0;
1019         cs->hw.elsa.ctrl = 0;
1020         cs->irq_flags |= IRQF_SHARED;
1021         printk(KERN_INFO
1022                "Elsa: %s defined at %#lx IRQ %d\n",
1023                Elsa_Types[cs->subtyp],
1024                cs->hw.elsa.base,
1025                cs->irq);
1026 }
1027
1028 #ifdef CONFIG_PCI_LEGACY
1029 static  struct pci_dev *dev_qs1000 __devinitdata = NULL;
1030 static  struct pci_dev *dev_qs3000 __devinitdata = NULL;
1031
1032 static int __devinit
1033 setup_elsa_pci(struct IsdnCard *card)
1034 {
1035         struct IsdnCardState *cs = card->cs;
1036
1037         cs->subtyp = 0;
1038         if ((dev_qs1000 = pci_find_device(PCI_VENDOR_ID_ELSA,
1039                 PCI_DEVICE_ID_ELSA_MICROLINK, dev_qs1000))) {
1040                 if (pci_enable_device(dev_qs1000))
1041                         return(0);
1042                 cs->subtyp = ELSA_QS1000PCI;
1043                 cs->irq = dev_qs1000->irq;
1044                 cs->hw.elsa.cfg = pci_resource_start(dev_qs1000, 1);
1045                 cs->hw.elsa.base = pci_resource_start(dev_qs1000, 3);
1046         } else if ((dev_qs3000 = pci_find_device(PCI_VENDOR_ID_ELSA,
1047                 PCI_DEVICE_ID_ELSA_QS3000, dev_qs3000))) {
1048                 if (pci_enable_device(dev_qs3000))
1049                         return(0);
1050                 cs->subtyp = ELSA_QS3000PCI;
1051                 cs->irq = dev_qs3000->irq;
1052                 cs->hw.elsa.cfg = pci_resource_start(dev_qs3000, 1);
1053                 cs->hw.elsa.base = pci_resource_start(dev_qs3000, 3);
1054         } else {
1055                 printk(KERN_WARNING "Elsa: No PCI card found\n");
1056                 return(0);
1057         }
1058         if (!cs->irq) {
1059                 printk(KERN_WARNING "Elsa: No IRQ for PCI card found\n");
1060                 return(0);
1061         }
1062
1063         if (!(cs->hw.elsa.base && cs->hw.elsa.cfg)) {
1064                 printk(KERN_WARNING "Elsa: No IO-Adr for PCI card found\n");
1065                 return(0);
1066         }
1067         if ((cs->hw.elsa.cfg & 0xff) || (cs->hw.elsa.base & 0xf)) {
1068                 printk(KERN_WARNING "Elsa: You may have a wrong PCI bios\n");
1069                 printk(KERN_WARNING "Elsa: If your system hangs now, read\n");
1070                 printk(KERN_WARNING "Elsa: Documentation/isdn/README.HiSax\n");
1071         }
1072         cs->hw.elsa.ale  = cs->hw.elsa.base;
1073         cs->hw.elsa.isac = cs->hw.elsa.base +1;
1074         cs->hw.elsa.hscx = cs->hw.elsa.base +1; 
1075         test_and_set_bit(HW_IPAC, &cs->HW_Flags);
1076         cs->hw.elsa.timer = 0;
1077         cs->hw.elsa.trig  = 0;
1078         cs->irq_flags |= IRQF_SHARED;
1079         printk(KERN_INFO
1080                "Elsa: %s defined at %#lx/0x%x IRQ %d\n",
1081                Elsa_Types[cs->subtyp],
1082                cs->hw.elsa.base,
1083                cs->hw.elsa.cfg,
1084                cs->irq);
1085
1086         return (1);
1087 }
1088
1089 #else
1090
1091 static int __devinit
1092 setup_elsa_pci(struct IsdnCard *card)
1093 {
1094         return (1);
1095 }
1096 #endif /* CONFIG_PCI_LEGACY */
1097
1098 static int __devinit
1099 setup_elsa_common(struct IsdnCard *card)
1100 {
1101         struct IsdnCardState *cs = card->cs;
1102         u_char val;
1103         int bytecnt;
1104
1105         switch (cs->subtyp) {
1106                 case ELSA_PC:
1107                 case ELSA_PCC8:
1108                 case ELSA_PCC16:
1109                 case ELSA_QS1000:
1110                 case ELSA_PCMCIA:
1111                 case ELSA_PCMCIA_IPAC:
1112                         bytecnt = 8;
1113                         break;
1114                 case ELSA_PCFPRO:
1115                 case ELSA_PCF:
1116                 case ELSA_QS3000:
1117                 case ELSA_QS3000PCI:
1118                         bytecnt = 16;
1119                         break;
1120                 case ELSA_QS1000PCI:
1121                         bytecnt = 2;
1122                         break;
1123                 default:
1124                         printk(KERN_WARNING
1125                                "Unknown ELSA subtype %d\n", cs->subtyp);
1126                         return (0);
1127         }
1128         /* In case of the elsa pcmcia card, this region is in use,
1129            reserved for us by the card manager. So we do not check it
1130            here, it would fail. */
1131         if (cs->typ != ISDN_CTYPE_ELSA_PCMCIA && !request_region(cs->hw.elsa.base, bytecnt, "elsa isdn")) {
1132                 printk(KERN_WARNING
1133                        "HiSax: ELSA config port %#lx-%#lx already in use\n",
1134                        cs->hw.elsa.base,
1135                        cs->hw.elsa.base + bytecnt);
1136                 return (0);
1137         }
1138         if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI)) {
1139                 if (!request_region(cs->hw.elsa.cfg, 0x80, "elsa isdn pci")) {
1140                         printk(KERN_WARNING
1141                                "HiSax: ELSA pci port %x-%x already in use\n",
1142                                 cs->hw.elsa.cfg,
1143                                 cs->hw.elsa.cfg + 0x80);
1144                         release_region(cs->hw.elsa.base, bytecnt);
1145                         return (0);
1146                 }
1147         }
1148 #if ARCOFI_USE
1149         init_arcofi(cs);
1150 #endif
1151         setup_isac(cs);
1152         cs->hw.elsa.tl.function = (void *) elsa_led_handler;
1153         cs->hw.elsa.tl.data = (long) cs;
1154         init_timer(&cs->hw.elsa.tl);
1155         /* Teste Timer */
1156         if (cs->hw.elsa.timer) {
1157                 byteout(cs->hw.elsa.trig, 0xff);
1158                 byteout(cs->hw.elsa.timer, 0);
1159                 if (!TimerRun(cs)) {
1160                         byteout(cs->hw.elsa.timer, 0);  /* 2. Versuch */
1161                         if (!TimerRun(cs)) {
1162                                 printk(KERN_WARNING
1163                                        "Elsa: timer do not start\n");
1164                                 release_io_elsa(cs);
1165                                 return (0);
1166                         }
1167                 }
1168                 HZDELAY((HZ/100) + 1);  /* wait >=10 ms */
1169                 if (TimerRun(cs)) {
1170                         printk(KERN_WARNING "Elsa: timer do not run down\n");
1171                         release_io_elsa(cs);
1172                         return (0);
1173                 }
1174                 printk(KERN_INFO "Elsa: timer OK; resetting card\n");
1175         }
1176         cs->BC_Read_Reg = &ReadHSCX;
1177         cs->BC_Write_Reg = &WriteHSCX;
1178         cs->BC_Send_Data = &hscx_fill_fifo;
1179         cs->cardmsg = &Elsa_card_msg;
1180         if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI) || (cs->subtyp == ELSA_PCMCIA_IPAC)) {
1181                 cs->readisac = &ReadISAC_IPAC;
1182                 cs->writeisac = &WriteISAC_IPAC;
1183                 cs->readisacfifo = &ReadISACfifo_IPAC;
1184                 cs->writeisacfifo = &WriteISACfifo_IPAC;
1185                 cs->irq_func = &elsa_interrupt_ipac;
1186                 val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ID);
1187                 printk(KERN_INFO "Elsa: IPAC version %x\n", val);
1188         } else {
1189                 cs->readisac = &ReadISAC;
1190                 cs->writeisac = &WriteISAC;
1191                 cs->readisacfifo = &ReadISACfifo;
1192                 cs->writeisacfifo = &WriteISACfifo;
1193                 cs->irq_func = &elsa_interrupt;
1194                 ISACVersion(cs, "Elsa:");
1195                 if (HscxVersion(cs, "Elsa:")) {
1196                         printk(KERN_WARNING
1197                                 "Elsa: wrong HSCX versions check IO address\n");
1198                         release_io_elsa(cs);
1199                         return (0);
1200                 }
1201         }
1202         if (cs->subtyp == ELSA_PC) {
1203                 val = readitac(cs, ITAC_SYS);
1204                 printk(KERN_INFO "Elsa: ITAC version %s\n", ITACVer[val & 7]);
1205                 writeitac(cs, ITAC_ISEN, 0);
1206                 writeitac(cs, ITAC_RFIE, 0);
1207                 writeitac(cs, ITAC_XFIE, 0);
1208                 writeitac(cs, ITAC_SCIE, 0);
1209                 writeitac(cs, ITAC_STIE, 0);
1210         }
1211         return (1);
1212 }
1213
1214 int __devinit
1215 setup_elsa(struct IsdnCard *card)
1216 {
1217         int rc;
1218         struct IsdnCardState *cs = card->cs;
1219         char tmp[64];
1220
1221         strcpy(tmp, Elsa_revision);
1222         printk(KERN_INFO "HiSax: Elsa driver Rev. %s\n", HiSax_getrev(tmp));
1223         cs->hw.elsa.ctrl_reg = 0;
1224         cs->hw.elsa.status = 0;
1225         cs->hw.elsa.MFlag = 0;
1226         cs->subtyp = 0;
1227
1228         if (cs->typ == ISDN_CTYPE_ELSA) {
1229                 rc = setup_elsa_isa(card);
1230                 if (!rc)
1231                         return (0);
1232
1233         } else if (cs->typ == ISDN_CTYPE_ELSA_PNP) {
1234                 rc = setup_elsa_isapnp(card);
1235                 if (!rc)
1236                         return (0);
1237
1238         } else if (cs->typ == ISDN_CTYPE_ELSA_PCMCIA)
1239                 setup_elsa_pcmcia(card);
1240
1241         else if (cs->typ == ISDN_CTYPE_ELSA_PCI) {
1242                 rc = setup_elsa_pci(card);
1243                 if (!rc)
1244                         return (0);
1245
1246         } else 
1247                 return (0);
1248
1249         return setup_elsa_common(card);
1250 }