[ACPI] merge acpi-2.6.12 branch into latest Linux 2.6.13-rc...
[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 <linux/config.h>
23 #include "hisax.h"
24 #include "arcofi.h"
25 #include "isac.h"
26 #include "ipac.h"
27 #include "hscx.h"
28 #include "isdnl1.h"
29 #include <linux/pci.h>
30 #include <linux/isapnp.h>
31 #include <linux/serial.h>
32 #include <linux/serial_reg.h>
33
34 extern const char *CardType[];
35
36 static const char *Elsa_revision = "$Revision: 2.32.2.4 $";
37 static const char *Elsa_Types[] =
38 {"None", "PC", "PCC-8", "PCC-16", "PCF", "PCF-Pro",
39  "PCMCIA", "QS 1000", "QS 3000", "Microlink PCI", "QS 3000 PCI", 
40  "PCMCIA-IPAC" };
41
42 static const char *ITACVer[] =
43 {"?0?", "?1?", "?2?", "?3?", "?4?", "V2.2",
44  "B1", "A1"};
45
46 #define byteout(addr,val) outb(val,addr)
47 #define bytein(addr) inb(addr)
48
49 #define ELSA_ISAC       0
50 #define ELSA_ISAC_PCM   1
51 #define ELSA_ITAC       1
52 #define ELSA_HSCX       2
53 #define ELSA_ALE        3
54 #define ELSA_ALE_PCM    4
55 #define ELSA_CONTROL    4
56 #define ELSA_CONFIG     5
57 #define ELSA_START_TIMER 6
58 #define ELSA_TRIG_IRQ   7
59
60 #define ELSA_PC      1
61 #define ELSA_PCC8    2
62 #define ELSA_PCC16   3
63 #define ELSA_PCF     4
64 #define ELSA_PCFPRO  5
65 #define ELSA_PCMCIA  6
66 #define ELSA_QS1000  7
67 #define ELSA_QS3000  8
68 #define ELSA_QS1000PCI 9
69 #define ELSA_QS3000PCI 10
70 #define ELSA_PCMCIA_IPAC 11
71
72 /* PCI stuff */
73 #define ELSA_PCI_IRQ_MASK       0x04
74
75 /* ITAC Registeradressen (only Microlink PC) */
76 #define ITAC_SYS        0x34
77 #define ITAC_ISEN       0x48
78 #define ITAC_RFIE       0x4A
79 #define ITAC_XFIE       0x4C
80 #define ITAC_SCIE       0x4E
81 #define ITAC_STIE       0x46
82
83 /***                                                                    ***
84  ***   Makros als Befehle fuer die Kartenregister                       ***
85  ***   (mehrere Befehle werden durch Bit-Oderung kombiniert)            ***
86  ***                                                                    ***/
87
88 /* Config-Register (Read) */
89 #define ELSA_TIMER_RUN       0x02       /* Bit 1 des Config-Reg     */
90 #define ELSA_TIMER_RUN_PCC8  0x01       /* Bit 0 des Config-Reg  bei PCC */
91 #define ELSA_IRQ_IDX       0x38 /* Bit 3,4,5 des Config-Reg */
92 #define ELSA_IRQ_IDX_PCC8  0x30 /* Bit 4,5 des Config-Reg */
93 #define ELSA_IRQ_IDX_PC    0x0c /* Bit 2,3 des Config-Reg */
94
95 /* Control-Register (Write) */
96 #define ELSA_LINE_LED        0x02       /* Bit 1 Gelbe LED */
97 #define ELSA_STAT_LED        0x08       /* Bit 3 Gruene LED */
98 #define ELSA_ISDN_RESET      0x20       /* Bit 5 Reset-Leitung */
99 #define ELSA_ENA_TIMER_INT   0x80       /* Bit 7 Freigabe Timer Interrupt */
100
101 /* ALE-Register (Read) */
102 #define ELSA_HW_RELEASE      0x07       /* Bit 0-2 Hardwarerkennung */
103 #define ELSA_S0_POWER_BAD    0x08       /* Bit 3 S0-Bus Spannung fehlt */
104
105 /* Status Flags */
106 #define ELSA_TIMER_AKTIV 1
107 #define ELSA_BAD_PWR     2
108 #define ELSA_ASSIGN      4
109
110 #define RS_ISR_PASS_LIMIT 256
111 #define _INLINE_ inline
112 #define FLG_MODEM_ACTIVE 1
113 /* IPAC AUX */
114 #define ELSA_IPAC_LINE_LED      0x40    /* Bit 6 Gelbe LED */
115 #define ELSA_IPAC_STAT_LED      0x80    /* Bit 7 Gruene LED */
116
117 #if ARCOFI_USE
118 static struct arcofi_msg ARCOFI_XOP_F =
119         {NULL,0,2,{0xa1,0x3f,0,0,0,0,0,0,0,0}}; /* Normal OP */
120 static struct arcofi_msg ARCOFI_XOP_1 =
121         {&ARCOFI_XOP_F,0,2,{0xa1,0x31,0,0,0,0,0,0,0,0}}; /* PWR UP */
122 static struct arcofi_msg ARCOFI_SOP_F = 
123         {&ARCOFI_XOP_1,0,10,{0xa1,0x1f,0x00,0x50,0x10,0x00,0x00,0x80,0x02,0x12}};
124 static struct arcofi_msg ARCOFI_COP_9 =
125         {&ARCOFI_SOP_F,0,10,{0xa1,0x29,0x80,0xcb,0xe9,0x88,0x00,0xc8,0xd8,0x80}}; /* RX */
126 static struct arcofi_msg ARCOFI_COP_8 =
127         {&ARCOFI_COP_9,0,10,{0xa1,0x28,0x49,0x31,0x8,0x13,0x6e,0x88,0x2a,0x61}}; /* TX */
128 static struct arcofi_msg ARCOFI_COP_7 =
129         {&ARCOFI_COP_8,0,4,{0xa1,0x27,0x80,0x80,0,0,0,0,0,0}}; /* GZ */
130 static struct arcofi_msg ARCOFI_COP_6 =
131         {&ARCOFI_COP_7,0,6,{0xa1,0x26,0,0,0x82,0x7c,0,0,0,0}}; /* GRL GRH */
132 static struct arcofi_msg ARCOFI_COP_5 =
133         {&ARCOFI_COP_6,0,4,{0xa1,0x25,0xbb,0x4a,0,0,0,0,0,0}}; /* GTX */
134 static struct arcofi_msg ARCOFI_VERSION =
135         {NULL,1,2,{0xa0,0,0,0,0,0,0,0,0,0}};
136 static struct arcofi_msg ARCOFI_XOP_0 =
137         {NULL,0,2,{0xa1,0x30,0,0,0,0,0,0,0,0}}; /* PWR Down */
138
139 static void set_arcofi(struct IsdnCardState *cs, int bc);
140
141 #include "elsa_ser.c"
142 #endif /* ARCOFI_USE */
143
144 static inline u_char
145 readreg(unsigned int ale, unsigned int adr, u_char off)
146 {
147         register u_char ret;
148
149         byteout(ale, off);
150         ret = bytein(adr);
151         return (ret);
152 }
153
154 static inline void
155 readfifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
156 {
157         byteout(ale, off);
158         insb(adr, data, size);
159 }
160
161
162 static inline void
163 writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
164 {
165         byteout(ale, off);
166         byteout(adr, data);
167 }
168
169 static inline void
170 writefifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
171 {
172         byteout(ale, off);
173         outsb(adr, data, size);
174 }
175
176 /* Interface functions */
177
178 static u_char
179 ReadISAC(struct IsdnCardState *cs, u_char offset)
180 {
181         return (readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset));
182 }
183
184 static void
185 WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
186 {
187         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset, value);
188 }
189
190 static void
191 ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size)
192 {
193         readfifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0, data, size);
194 }
195
196 static void
197 WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size)
198 {
199         writefifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0, data, size);
200 }
201
202 static u_char
203 ReadISAC_IPAC(struct IsdnCardState *cs, u_char offset)
204 {
205         return (readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset+0x80));
206 }
207
208 static void
209 WriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value)
210 {
211         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset|0x80, value);
212 }
213
214 static void
215 ReadISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size)
216 {
217         readfifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0x80, data, size);
218 }
219
220 static void
221 WriteISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size)
222 {
223         writefifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0x80, data, size);
224 }
225
226 static u_char
227 ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
228 {
229         return (readreg(cs->hw.elsa.ale,
230                         cs->hw.elsa.hscx, offset + (hscx ? 0x40 : 0)));
231 }
232
233 static void
234 WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
235 {
236         writereg(cs->hw.elsa.ale,
237                  cs->hw.elsa.hscx, offset + (hscx ? 0x40 : 0), value);
238 }
239
240 static inline u_char
241 readitac(struct IsdnCardState *cs, u_char off)
242 {
243         register u_char ret;
244
245         byteout(cs->hw.elsa.ale, off);
246         ret = bytein(cs->hw.elsa.itac);
247         return (ret);
248 }
249
250 static inline void
251 writeitac(struct IsdnCardState *cs, u_char off, u_char data)
252 {
253         byteout(cs->hw.elsa.ale, off);
254         byteout(cs->hw.elsa.itac, data);
255 }
256
257 static inline int
258 TimerRun(struct IsdnCardState *cs)
259 {
260         register u_char v;
261
262         v = bytein(cs->hw.elsa.cfg);
263         if ((cs->subtyp == ELSA_QS1000) || (cs->subtyp == ELSA_QS3000))
264                 return (0 == (v & ELSA_TIMER_RUN));
265         else if (cs->subtyp == ELSA_PCC8)
266                 return (v & ELSA_TIMER_RUN_PCC8);
267         return (v & ELSA_TIMER_RUN);
268 }
269 /*
270  * fast interrupt HSCX stuff goes here
271  */
272
273 #define READHSCX(cs, nr, reg) readreg(cs->hw.elsa.ale, \
274                 cs->hw.elsa.hscx, reg + (nr ? 0x40 : 0))
275 #define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.elsa.ale, \
276                 cs->hw.elsa.hscx, reg + (nr ? 0x40 : 0), data)
277
278 #define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.elsa.ale, \
279                 cs->hw.elsa.hscx, (nr ? 0x40 : 0), ptr, cnt)
280
281 #define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.elsa.ale, \
282                 cs->hw.elsa.hscx, (nr ? 0x40 : 0), ptr, cnt)
283
284 #include "hscx_irq.c"
285
286 static irqreturn_t
287 elsa_interrupt(int intno, void *dev_id, struct pt_regs *regs)
288 {
289         struct IsdnCardState *cs = dev_id;
290         u_long flags;
291         u_char val;
292         int icnt=5;
293
294         if ((cs->typ == ISDN_CTYPE_ELSA_PCMCIA) && (*cs->busy_flag == 1)) {
295         /* The card tends to generate interrupts while being removed
296            causing us to just crash the kernel. bad. */
297                 printk(KERN_WARNING "Elsa: card not available!\n");
298                 return IRQ_NONE;
299         }
300         spin_lock_irqsave(&cs->lock, flags);
301 #if ARCOFI_USE
302         if (cs->hw.elsa.MFlag) {
303                 val = serial_inp(cs, UART_IIR);
304                 if (!(val & UART_IIR_NO_INT)) {
305                         debugl1(cs,"IIR %02x", val);
306                         rs_interrupt_elsa(intno, cs);
307                 }
308         }
309 #endif
310         val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40);
311       Start_HSCX:
312         if (val) {
313                 hscx_int_main(cs, val);
314         }
315         val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA);
316       Start_ISAC:
317         if (val) {
318                 isac_interrupt(cs, val);
319         }
320         val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40);
321         if (val && icnt) {
322                 if (cs->debug & L1_DEB_HSCX)
323                         debugl1(cs, "HSCX IntStat after IntRoutine");
324                 icnt--;
325                 goto Start_HSCX;
326         }
327         val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA);
328         if (val && icnt) {
329                 if (cs->debug & L1_DEB_ISAC)
330                         debugl1(cs, "ISAC IntStat after IntRoutine");
331                 icnt--;
332                 goto Start_ISAC;
333         }
334         if (!icnt)
335                 printk(KERN_WARNING"ELSA IRQ LOOP\n");
336         writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK, 0xFF);
337         writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK + 0x40, 0xFF);
338         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_MASK, 0xFF);
339         if (cs->hw.elsa.status & ELSA_TIMER_AKTIV) {
340                 if (!TimerRun(cs)) {
341                         /* Timer Restart */
342                         byteout(cs->hw.elsa.timer, 0);
343                         cs->hw.elsa.counter++;
344                 }
345         }
346 #if ARCOFI_USE
347         if (cs->hw.elsa.MFlag) {
348                 val = serial_inp(cs, UART_MCR);
349                 val ^= 0x8;
350                 serial_outp(cs, UART_MCR, val);
351                 val = serial_inp(cs, UART_MCR);
352                 val ^= 0x8;
353                 serial_outp(cs, UART_MCR, val);
354         }
355 #endif
356         if (cs->hw.elsa.trig)
357                 byteout(cs->hw.elsa.trig, 0x00);
358         writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK, 0x0);
359         writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK + 0x40, 0x0);
360         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_MASK, 0x0);
361         spin_unlock_irqrestore(&cs->lock, flags);
362         return IRQ_HANDLED;
363 }
364
365 static irqreturn_t
366 elsa_interrupt_ipac(int intno, void *dev_id, struct pt_regs *regs)
367 {
368         struct IsdnCardState *cs = dev_id;
369         u_long flags;
370         u_char ista,val;
371         int icnt=5;
372
373         spin_lock_irqsave(&cs->lock, flags);
374         if (cs->subtyp == ELSA_QS1000PCI || cs->subtyp == ELSA_QS3000PCI) {
375                 val = bytein(cs->hw.elsa.cfg + 0x4c); /* PCI IRQ */
376                 if (!(val & ELSA_PCI_IRQ_MASK)) {
377                         spin_unlock_irqrestore(&cs->lock, flags);
378                         return IRQ_NONE;
379                 }
380         }
381 #if ARCOFI_USE
382         if (cs->hw.elsa.MFlag) {
383                 val = serial_inp(cs, UART_IIR);
384                 if (!(val & UART_IIR_NO_INT)) {
385                         debugl1(cs,"IIR %02x", val);
386                         rs_interrupt_elsa(intno, cs);
387                 }
388         }
389 #endif
390         ista = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ISTA);
391 Start_IPAC:
392         if (cs->debug & L1_DEB_IPAC)
393                 debugl1(cs, "IPAC ISTA %02X", ista);
394         if (ista & 0x0f) {
395                 val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40);
396                 if (ista & 0x01)
397                         val |= 0x01;
398                 if (ista & 0x04)
399                         val |= 0x02;
400                 if (ista & 0x08)
401                         val |= 0x04;
402                 if (val)
403                         hscx_int_main(cs, val);
404         }
405         if (ista & 0x20) {
406                 val = 0xfe & readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA + 0x80);
407                 if (val) {
408                         isac_interrupt(cs, val);
409                 }
410         }
411         if (ista & 0x10) {
412                 val = 0x01;
413                 isac_interrupt(cs, val);
414         }
415         ista  = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ISTA);
416         if ((ista & 0x3f) && icnt) {
417                 icnt--;
418                 goto Start_IPAC;
419         }
420         if (!icnt)
421                 printk(KERN_WARNING "ELSA IRQ LOOP\n");
422         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xFF);
423         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xC0);
424         spin_unlock_irqrestore(&cs->lock, flags);
425         return IRQ_HANDLED;
426 }
427
428 static void
429 release_io_elsa(struct IsdnCardState *cs)
430 {
431         int bytecnt = 8;
432
433         del_timer(&cs->hw.elsa.tl);
434 #if ARCOFI_USE
435         clear_arcofi(cs);
436 #endif
437         if (cs->hw.elsa.ctrl)
438                 byteout(cs->hw.elsa.ctrl, 0);   /* LEDs Out */
439         if (cs->subtyp == ELSA_QS1000PCI) {
440                 byteout(cs->hw.elsa.cfg + 0x4c, 0x01);  /* disable IRQ */
441                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
442                 bytecnt = 2;
443                 release_region(cs->hw.elsa.cfg, 0x80);
444         }
445         if (cs->subtyp == ELSA_QS3000PCI) {
446                 byteout(cs->hw.elsa.cfg + 0x4c, 0x03); /* disable ELSA PCI IRQ */
447                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
448                 release_region(cs->hw.elsa.cfg, 0x80);
449         }
450         if (cs->subtyp == ELSA_PCMCIA_IPAC) {
451                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
452         }
453         if ((cs->subtyp == ELSA_PCFPRO) ||
454                 (cs->subtyp == ELSA_QS3000) ||
455                 (cs->subtyp == ELSA_PCF) ||
456                 (cs->subtyp == ELSA_QS3000PCI)) {
457                 bytecnt = 16;
458 #if ARCOFI_USE
459                 release_modem(cs);
460 #endif
461         }
462         if (cs->hw.elsa.base)
463                 release_region(cs->hw.elsa.base, bytecnt);
464 }
465
466 static void
467 reset_elsa(struct IsdnCardState *cs)
468 {
469         if (cs->hw.elsa.timer) {
470                 /* Wait 1 Timer */
471                 byteout(cs->hw.elsa.timer, 0);
472                 while (TimerRun(cs));
473                 cs->hw.elsa.ctrl_reg |= 0x50;
474                 cs->hw.elsa.ctrl_reg &= ~ELSA_ISDN_RESET;       /* Reset On */
475                 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
476                 /* Wait 1 Timer */
477                 byteout(cs->hw.elsa.timer, 0);
478                 while (TimerRun(cs));
479                 cs->hw.elsa.ctrl_reg |= ELSA_ISDN_RESET;        /* Reset Off */
480                 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
481                 /* Wait 1 Timer */
482                 byteout(cs->hw.elsa.timer, 0);
483                 while (TimerRun(cs));
484                 if (cs->hw.elsa.trig)
485                         byteout(cs->hw.elsa.trig, 0xff);
486         }
487         if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI) || (cs->subtyp == ELSA_PCMCIA_IPAC)) {
488                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_POTA2, 0x20);
489                 mdelay(10);
490                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_POTA2, 0x00);
491                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_MASK, 0xc0);
492                 mdelay(10);
493                 if (cs->subtyp != ELSA_PCMCIA_IPAC) {
494                         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ACFG, 0x0);
495                         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_AOE, 0x3c);
496                 } else {
497                         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_PCFG, 0x10);
498                         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ACFG, 0x4);
499                         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_AOE, 0xf8);
500                 }
501                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
502                 if (cs->subtyp == ELSA_QS1000PCI)
503                         byteout(cs->hw.elsa.cfg + 0x4c, 0x41); /* enable ELSA PCI IRQ */
504                 else if (cs->subtyp == ELSA_QS3000PCI)
505                         byteout(cs->hw.elsa.cfg + 0x4c, 0x43); /* enable ELSA PCI IRQ */
506         }
507 }
508
509 #if ARCOFI_USE
510
511 static void
512 set_arcofi(struct IsdnCardState *cs, int bc) {
513         cs->dc.isac.arcofi_bc = bc;
514         arcofi_fsm(cs, ARCOFI_START, &ARCOFI_COP_5);
515         interruptible_sleep_on(&cs->dc.isac.arcofi_wait);
516 }
517
518 static int
519 check_arcofi(struct IsdnCardState *cs)
520 {
521         int arcofi_present = 0;
522         char tmp[40];
523         char *t;
524         u_char *p;
525
526         if (!cs->dc.isac.mon_tx)
527                 if (!(cs->dc.isac.mon_tx=kmalloc(MAX_MON_FRAME, GFP_ATOMIC))) {
528                         if (cs->debug & L1_DEB_WARN)
529                                 debugl1(cs, "ISAC MON TX out of buffers!");
530                         return(0);
531                 }
532         cs->dc.isac.arcofi_bc = 0;
533         arcofi_fsm(cs, ARCOFI_START, &ARCOFI_VERSION);
534         interruptible_sleep_on(&cs->dc.isac.arcofi_wait);
535         if (!test_and_clear_bit(FLG_ARCOFI_ERROR, &cs->HW_Flags)) {
536                         debugl1(cs, "Arcofi response received %d bytes", cs->dc.isac.mon_rxp);
537                         p = cs->dc.isac.mon_rx;
538                         t = tmp;
539                         t += sprintf(tmp, "Arcofi data");
540                         QuickHex(t, p, cs->dc.isac.mon_rxp);
541                         debugl1(cs, tmp);
542                         if ((cs->dc.isac.mon_rxp == 2) && (cs->dc.isac.mon_rx[0] == 0xa0)) {
543                                 switch(cs->dc.isac.mon_rx[1]) {
544                                         case 0x80:
545                                                 debugl1(cs, "Arcofi 2160 detected");
546                                                 arcofi_present = 1;
547                                                 break;
548                                         case 0x82:
549                                                 debugl1(cs, "Arcofi 2165 detected");
550                                                 arcofi_present = 2;
551                                                 break;
552                                         case 0x84:
553                                                 debugl1(cs, "Arcofi 2163 detected");
554                                                 arcofi_present = 3;
555                                                 break;
556                                         default:
557                                                 debugl1(cs, "unknown Arcofi response");
558                                                 break;
559                                 }
560                         } else
561                                 debugl1(cs, "undefined Monitor response");
562                         cs->dc.isac.mon_rxp = 0;
563         } else if (cs->dc.isac.mon_tx) {
564                 debugl1(cs, "Arcofi not detected");
565         }
566         if (arcofi_present) {
567                 if (cs->subtyp==ELSA_QS1000) {
568                         cs->subtyp = ELSA_QS3000;
569                         printk(KERN_INFO
570                                 "Elsa: %s detected modem at 0x%lx\n",
571                                 Elsa_Types[cs->subtyp],
572                                 cs->hw.elsa.base+8);
573                         release_region(cs->hw.elsa.base, 8);
574                         if (!request_region(cs->hw.elsa.base, 16, "elsa isdn modem")) {
575                                 printk(KERN_WARNING
576                                         "HiSax: %s config port %lx-%lx already in use\n",
577                                         Elsa_Types[cs->subtyp],
578                                         cs->hw.elsa.base + 8,
579                                         cs->hw.elsa.base + 16);
580                         }
581                 } else if (cs->subtyp==ELSA_PCC16) {
582                         cs->subtyp = ELSA_PCF;
583                         printk(KERN_INFO
584                                 "Elsa: %s detected modem at 0x%lx\n",
585                                 Elsa_Types[cs->subtyp],
586                                 cs->hw.elsa.base+8);
587                         release_region(cs->hw.elsa.base, 8);
588                         if (!request_region(cs->hw.elsa.base, 16, "elsa isdn modem")) {
589                                 printk(KERN_WARNING
590                                         "HiSax: %s config port %lx-%lx already in use\n",
591                                         Elsa_Types[cs->subtyp],
592                                         cs->hw.elsa.base + 8,
593                                         cs->hw.elsa.base + 16);
594                         }
595                 } else
596                         printk(KERN_INFO
597                                 "Elsa: %s detected modem at 0x%lx\n",
598                                 Elsa_Types[cs->subtyp],
599                                 cs->hw.elsa.base+8);
600                 arcofi_fsm(cs, ARCOFI_START, &ARCOFI_XOP_0);
601                 interruptible_sleep_on(&cs->dc.isac.arcofi_wait);
602                 return(1);
603         }
604         return(0);
605 }
606 #endif /* ARCOFI_USE */
607
608 static void
609 elsa_led_handler(struct IsdnCardState *cs)
610 {
611         int blink = 0;
612
613         if (cs->subtyp == ELSA_PCMCIA || cs->subtyp == ELSA_PCMCIA_IPAC)
614                 return;
615         del_timer(&cs->hw.elsa.tl);
616         if (cs->hw.elsa.status & ELSA_ASSIGN)
617                 cs->hw.elsa.ctrl_reg |= ELSA_STAT_LED;
618         else if (cs->hw.elsa.status & ELSA_BAD_PWR)
619                 cs->hw.elsa.ctrl_reg &= ~ELSA_STAT_LED;
620         else {
621                 cs->hw.elsa.ctrl_reg ^= ELSA_STAT_LED;
622                 blink = 250;
623         }
624         if (cs->hw.elsa.status & 0xf000)
625                 cs->hw.elsa.ctrl_reg |= ELSA_LINE_LED;
626         else if (cs->hw.elsa.status & 0x0f00) {
627                 cs->hw.elsa.ctrl_reg ^= ELSA_LINE_LED;
628                 blink = 500;
629         } else
630                 cs->hw.elsa.ctrl_reg &= ~ELSA_LINE_LED;
631
632         if ((cs->subtyp == ELSA_QS1000PCI) ||
633                 (cs->subtyp == ELSA_QS3000PCI)) {
634                 u_char led = 0xff;
635                 if (cs->hw.elsa.ctrl_reg & ELSA_LINE_LED)
636                         led ^= ELSA_IPAC_LINE_LED;
637                 if (cs->hw.elsa.ctrl_reg & ELSA_STAT_LED)
638                         led ^= ELSA_IPAC_STAT_LED;
639                 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, led);
640         } else
641                 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
642         if (blink) {
643                 init_timer(&cs->hw.elsa.tl);
644                 cs->hw.elsa.tl.expires = jiffies + ((blink * HZ) / 1000);
645                 add_timer(&cs->hw.elsa.tl);
646         }
647 }
648
649 static int
650 Elsa_card_msg(struct IsdnCardState *cs, int mt, void *arg)
651 {
652         int ret = 0;
653         u_long flags;
654
655         switch (mt) {
656                 case CARD_RESET:
657                         spin_lock_irqsave(&cs->lock, flags);
658                         reset_elsa(cs);
659                         spin_unlock_irqrestore(&cs->lock, flags);
660                         return(0);
661                 case CARD_RELEASE:
662                         release_io_elsa(cs);
663                         return(0);
664                 case CARD_INIT:
665                         spin_lock_irqsave(&cs->lock, flags);
666                         cs->debug |= L1_DEB_IPAC;
667                         reset_elsa(cs);
668                         inithscxisac(cs, 1);
669                         if ((cs->subtyp == ELSA_QS1000) ||
670                             (cs->subtyp == ELSA_QS3000))
671                         {
672                                 byteout(cs->hw.elsa.timer, 0);
673                         }
674                         if (cs->hw.elsa.trig)
675                                 byteout(cs->hw.elsa.trig, 0xff);
676                         inithscxisac(cs, 2);
677                         spin_unlock_irqrestore(&cs->lock, flags);
678                         return(0);
679                 case CARD_TEST:
680                         if ((cs->subtyp == ELSA_PCMCIA) ||
681                                 (cs->subtyp == ELSA_PCMCIA_IPAC) ||
682                                 (cs->subtyp == ELSA_QS1000PCI)) {
683                                 return(0);
684                         } else if (cs->subtyp == ELSA_QS3000PCI) {
685                                 ret = 0;
686                         } else {
687                                 spin_lock_irqsave(&cs->lock, flags);
688                                 cs->hw.elsa.counter = 0;
689                                 cs->hw.elsa.ctrl_reg |= ELSA_ENA_TIMER_INT;
690                                 cs->hw.elsa.status |= ELSA_TIMER_AKTIV;
691                                 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
692                                 byteout(cs->hw.elsa.timer, 0);
693                                 spin_unlock_irqrestore(&cs->lock, flags);
694                                 msleep(110);
695                                 spin_lock_irqsave(&cs->lock, flags);
696                                 cs->hw.elsa.ctrl_reg &= ~ELSA_ENA_TIMER_INT;
697                                 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
698                                 cs->hw.elsa.status &= ~ELSA_TIMER_AKTIV;
699                                 spin_unlock_irqrestore(&cs->lock, flags);
700                                 printk(KERN_INFO "Elsa: %d timer tics in 110 msek\n",
701                                        cs->hw.elsa.counter);
702                                 if ((cs->hw.elsa.counter > 10) &&
703                                         (cs->hw.elsa.counter < 16)) {
704                                         printk(KERN_INFO "Elsa: timer and irq OK\n");
705                                         ret = 0;
706                                 } else {
707                                         printk(KERN_WARNING
708                                                "Elsa: timer tic problem (%d/12) maybe an IRQ(%d) conflict\n",
709                                                cs->hw.elsa.counter, cs->irq);
710                                         ret = 1;
711                                 }
712                         }
713 #if ARCOFI_USE
714                         if (check_arcofi(cs)) {
715                                 init_modem(cs);
716                         }
717 #endif
718                         elsa_led_handler(cs);
719                         return(ret);
720                 case (MDL_REMOVE | REQUEST):
721                         cs->hw.elsa.status &= 0;
722                         break;
723                 case (MDL_ASSIGN | REQUEST):
724                         cs->hw.elsa.status |= ELSA_ASSIGN;
725                         break;
726                 case MDL_INFO_SETUP:
727                         if ((long) arg)
728                                 cs->hw.elsa.status |= 0x0200;
729                         else
730                                 cs->hw.elsa.status |= 0x0100;
731                         break;
732                 case MDL_INFO_CONN:
733                         if ((long) arg)
734                                 cs->hw.elsa.status |= 0x2000;
735                         else
736                                 cs->hw.elsa.status |= 0x1000;
737                         break;
738                 case MDL_INFO_REL:
739                         if ((long) arg) {
740                                 cs->hw.elsa.status &= ~0x2000;
741                                 cs->hw.elsa.status &= ~0x0200;
742                         } else {
743                                 cs->hw.elsa.status &= ~0x1000;
744                                 cs->hw.elsa.status &= ~0x0100;
745                         }
746                         break;
747 #if ARCOFI_USE
748                 case CARD_AUX_IND:
749                         if (cs->hw.elsa.MFlag) {
750                                 int len;
751                                 u_char *msg;
752
753                                 if (!arg)
754                                         return(0);
755                                 msg = arg;
756                                 len = *msg;
757                                 msg++;
758                                 modem_write_cmd(cs, msg, len);
759                         }
760                         break;
761 #endif
762         }
763         if (cs->typ == ISDN_CTYPE_ELSA) {
764                 int pwr = bytein(cs->hw.elsa.ale);
765                 if (pwr & 0x08)
766                         cs->hw.elsa.status |= ELSA_BAD_PWR;
767                 else
768                         cs->hw.elsa.status &= ~ELSA_BAD_PWR;
769         }
770         elsa_led_handler(cs);
771         return(ret);
772 }
773
774 static unsigned char
775 probe_elsa_adr(unsigned int adr, int typ)
776 {
777         int i, in1, in2, p16_1 = 0, p16_2 = 0, p8_1 = 0, p8_2 = 0, pc_1 = 0,
778          pc_2 = 0, pfp_1 = 0, pfp_2 = 0;
779
780         /* In case of the elsa pcmcia card, this region is in use,
781            reserved for us by the card manager. So we do not check it
782            here, it would fail. */
783         if (typ != ISDN_CTYPE_ELSA_PCMCIA) {
784                 if (request_region(adr, 8, "elsa card")) {
785                         release_region(adr, 8);
786                 } else {
787                         printk(KERN_WARNING
788                                "Elsa: Probing Port 0x%x: already in use\n", adr);
789                         return (0);
790                 }
791         }
792         for (i = 0; i < 16; i++) {
793                 in1 = inb(adr + ELSA_CONFIG);   /* 'toggelt' bei */
794                 in2 = inb(adr + ELSA_CONFIG);   /* jedem Zugriff */
795                 p16_1 += 0x04 & in1;
796                 p16_2 += 0x04 & in2;
797                 p8_1 += 0x02 & in1;
798                 p8_2 += 0x02 & in2;
799                 pc_1 += 0x01 & in1;
800                 pc_2 += 0x01 & in2;
801                 pfp_1 += 0x40 & in1;
802                 pfp_2 += 0x40 & in2;
803         }
804         printk(KERN_INFO "Elsa: Probing IO 0x%x", adr);
805         if (65 == ++p16_1 * ++p16_2) {
806                 printk(" PCC-16/PCF found\n");
807                 return (ELSA_PCC16);
808         } else if (1025 == ++pfp_1 * ++pfp_2) {
809                 printk(" PCF-Pro found\n");
810                 return (ELSA_PCFPRO);
811         } else if (33 == ++p8_1 * ++p8_2) {
812                 printk(" PCC8 found\n");
813                 return (ELSA_PCC8);
814         } else if (17 == ++pc_1 * ++pc_2) {
815                 printk(" PC found\n");
816                 return (ELSA_PC);
817         } else {
818                 printk(" failed\n");
819                 return (0);
820         }
821 }
822
823 static unsigned int
824 probe_elsa(struct IsdnCardState *cs)
825 {
826         int i;
827         unsigned int CARD_portlist[] =
828         {0x160, 0x170, 0x260, 0x360, 0};
829
830         for (i = 0; CARD_portlist[i]; i++) {
831                 if ((cs->subtyp = probe_elsa_adr(CARD_portlist[i], cs->typ)))
832                         break;
833         }
834         return (CARD_portlist[i]);
835 }
836
837 static  struct pci_dev *dev_qs1000 __devinitdata = NULL;
838 static  struct pci_dev *dev_qs3000 __devinitdata = NULL;
839
840 #ifdef __ISAPNP__
841 static struct isapnp_device_id elsa_ids[] __devinitdata = {
842         { ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0133),
843           ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0133), 
844           (unsigned long) "Elsa QS1000" },
845         { ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0134),
846           ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0134), 
847           (unsigned long) "Elsa QS3000" },
848         { 0, }
849 };
850
851 static struct isapnp_device_id *ipid __devinitdata = &elsa_ids[0];
852 static struct pnp_card *pnp_c __devinitdata = NULL;
853 #endif
854
855 int __devinit
856 setup_elsa(struct IsdnCard *card)
857 {
858         int bytecnt;
859         u_char val;
860         struct IsdnCardState *cs = card->cs;
861         char tmp[64];
862
863         strcpy(tmp, Elsa_revision);
864         printk(KERN_INFO "HiSax: Elsa driver Rev. %s\n", HiSax_getrev(tmp));
865         cs->hw.elsa.ctrl_reg = 0;
866         cs->hw.elsa.status = 0;
867         cs->hw.elsa.MFlag = 0;
868         cs->subtyp = 0;
869         if (cs->typ == ISDN_CTYPE_ELSA) {
870                 cs->hw.elsa.base = card->para[0];
871                 printk(KERN_INFO "Elsa: Microlink IO probing\n");
872                 if (cs->hw.elsa.base) {
873                         if (!(cs->subtyp = probe_elsa_adr(cs->hw.elsa.base,
874                                                           cs->typ))) {
875                                 printk(KERN_WARNING
876                                        "Elsa: no Elsa Microlink at %#lx\n",
877                                        cs->hw.elsa.base);
878                                 return (0);
879                         }
880                 } else
881                         cs->hw.elsa.base = probe_elsa(cs);
882                 if (cs->hw.elsa.base) {
883                         cs->hw.elsa.cfg = cs->hw.elsa.base + ELSA_CONFIG;
884                         cs->hw.elsa.ctrl = cs->hw.elsa.base + ELSA_CONTROL;
885                         cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE;
886                         cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC;
887                         cs->hw.elsa.itac = cs->hw.elsa.base + ELSA_ITAC;
888                         cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
889                         cs->hw.elsa.trig = cs->hw.elsa.base + ELSA_TRIG_IRQ;
890                         cs->hw.elsa.timer = cs->hw.elsa.base + ELSA_START_TIMER;
891                         val = bytein(cs->hw.elsa.cfg);
892                         if (cs->subtyp == ELSA_PC) {
893                                 const u_char CARD_IrqTab[8] =
894                                 {7, 3, 5, 9, 0, 0, 0, 0};
895                                 cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX_PC) >> 2];
896                         } else if (cs->subtyp == ELSA_PCC8) {
897                                 const u_char CARD_IrqTab[8] =
898                                 {7, 3, 5, 9, 0, 0, 0, 0};
899                                 cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX_PCC8) >> 4];
900                         } else {
901                                 const u_char CARD_IrqTab[8] =
902                                 {15, 10, 15, 3, 11, 5, 11, 9};
903                                 cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX) >> 3];
904                         }
905                         val = bytein(cs->hw.elsa.ale) & ELSA_HW_RELEASE;
906                         if (val < 3)
907                                 val |= 8;
908                         val += 'A' - 3;
909                         if (val == 'B' || val == 'C')
910                                 val ^= 1;
911                         if ((cs->subtyp == ELSA_PCFPRO) && (val = 'G'))
912                                 val = 'C';
913                         printk(KERN_INFO
914                                "Elsa: %s found at %#lx Rev.:%c IRQ %d\n",
915                                Elsa_Types[cs->subtyp],
916                                cs->hw.elsa.base,
917                                val, cs->irq);
918                         val = bytein(cs->hw.elsa.ale) & ELSA_S0_POWER_BAD;
919                         if (val) {
920                                 printk(KERN_WARNING
921                                    "Elsa: Microlink S0 bus power bad\n");
922                                 cs->hw.elsa.status |= ELSA_BAD_PWR;
923                         }
924                 } else {
925                         printk(KERN_WARNING
926                                "No Elsa Microlink found\n");
927                         return (0);
928                 }
929         } else if (cs->typ == ISDN_CTYPE_ELSA_PNP) {
930 #ifdef __ISAPNP__
931                 if (!card->para[1] && isapnp_present()) {
932                         struct pnp_dev *pnp_d;
933                         while(ipid->card_vendor) {
934                                 if ((pnp_c = pnp_find_card(ipid->card_vendor,
935                                         ipid->card_device, pnp_c))) {
936                                         pnp_d = NULL;
937                                         if ((pnp_d = pnp_find_dev(pnp_c,
938                                                 ipid->vendor, ipid->function, pnp_d))) {
939                                                 int err;
940
941                                                 printk(KERN_INFO "HiSax: %s detected\n",
942                                                         (char *)ipid->driver_data);
943                                                 pnp_disable_dev(pnp_d);
944                                                 err = pnp_activate_dev(pnp_d);
945                                                 if (err<0) {
946                                                         printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
947                                                                 __FUNCTION__, err);
948                                                         return(0);
949                                                 }
950                                                 card->para[1] = pnp_port_start(pnp_d, 0);
951                                                 card->para[0] = pnp_irq(pnp_d, 0);
952
953                                                 if (!card->para[0] || !card->para[1]) {
954                                                         printk(KERN_ERR "Elsa PnP:some resources are missing %ld/%lx\n",
955                                                                 card->para[0], card->para[1]);
956                                                         pnp_disable_dev(pnp_d);
957                                                         return(0);
958                                                 }
959                                                 if (ipid->function == ISAPNP_FUNCTION(0x133))
960                                                         cs->subtyp = ELSA_QS1000;
961                                                 else
962                                                         cs->subtyp = ELSA_QS3000;
963                                                 break;
964                                         } else {
965                                                 printk(KERN_ERR "Elsa PnP: PnP error card found, no device\n");
966                                                 return(0);
967                                         }
968                                 }
969                                 ipid++;
970                                 pnp_c=NULL;
971                         } 
972                         if (!ipid->card_vendor) {
973                                 printk(KERN_INFO "Elsa PnP: no ISAPnP card found\n");
974                                 return(0);
975                         }
976                 }
977 #endif
978                 if (card->para[1] && card->para[0]) { 
979                         cs->hw.elsa.base = card->para[1];
980                         cs->irq = card->para[0];
981                         if (!cs->subtyp)
982                                 cs->subtyp = ELSA_QS1000;
983                 } else {
984                         printk(KERN_ERR "Elsa PnP: no parameter\n");
985                 }
986                 cs->hw.elsa.cfg = cs->hw.elsa.base + ELSA_CONFIG;
987                 cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE;
988                 cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC;
989                 cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
990                 cs->hw.elsa.trig = cs->hw.elsa.base + ELSA_TRIG_IRQ;
991                 cs->hw.elsa.timer = cs->hw.elsa.base + ELSA_START_TIMER;
992                 cs->hw.elsa.ctrl = cs->hw.elsa.base + ELSA_CONTROL;
993                 printk(KERN_INFO
994                        "Elsa: %s defined at %#lx IRQ %d\n",
995                        Elsa_Types[cs->subtyp],
996                        cs->hw.elsa.base,
997                        cs->irq);
998         } else if (cs->typ == ISDN_CTYPE_ELSA_PCMCIA) {
999                 cs->hw.elsa.base = card->para[1];
1000                 cs->irq = card->para[0];
1001                 val = readreg(cs->hw.elsa.base + 0, cs->hw.elsa.base + 2, IPAC_ID);
1002                 if ((val == 1) || (val == 2)) { /* IPAC version 1.1/1.2 */
1003                         cs->subtyp = ELSA_PCMCIA_IPAC;
1004                         cs->hw.elsa.ale = cs->hw.elsa.base + 0;
1005                         cs->hw.elsa.isac = cs->hw.elsa.base + 2;
1006                         cs->hw.elsa.hscx = cs->hw.elsa.base + 2;
1007                         test_and_set_bit(HW_IPAC, &cs->HW_Flags);
1008                 } else {
1009                         cs->subtyp = ELSA_PCMCIA;
1010                         cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE_PCM;
1011                         cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC_PCM;
1012                         cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
1013                 }
1014                 cs->hw.elsa.timer = 0;
1015                 cs->hw.elsa.trig = 0;
1016                 cs->hw.elsa.ctrl = 0;
1017                 cs->irq_flags |= SA_SHIRQ;
1018                 printk(KERN_INFO
1019                        "Elsa: %s defined at %#lx IRQ %d\n",
1020                        Elsa_Types[cs->subtyp],
1021                        cs->hw.elsa.base,
1022                        cs->irq);
1023         } else if (cs->typ == ISDN_CTYPE_ELSA_PCI) {
1024 #ifdef CONFIG_PCI
1025                 cs->subtyp = 0;
1026                 if ((dev_qs1000 = pci_find_device(PCI_VENDOR_ID_ELSA,
1027                         PCI_DEVICE_ID_ELSA_MICROLINK, dev_qs1000))) {
1028                         if (pci_enable_device(dev_qs1000))
1029                                 return(0);
1030                         cs->subtyp = ELSA_QS1000PCI;
1031                         cs->irq = dev_qs1000->irq;
1032                         cs->hw.elsa.cfg = pci_resource_start(dev_qs1000, 1);
1033                         cs->hw.elsa.base = pci_resource_start(dev_qs1000, 3);
1034                 } else if ((dev_qs3000 = pci_find_device(PCI_VENDOR_ID_ELSA,
1035                         PCI_DEVICE_ID_ELSA_QS3000, dev_qs3000))) {
1036                         if (pci_enable_device(dev_qs3000))
1037                                 return(0);
1038                         cs->subtyp = ELSA_QS3000PCI;
1039                         cs->irq = dev_qs3000->irq;
1040                         cs->hw.elsa.cfg = pci_resource_start(dev_qs3000, 1);
1041                         cs->hw.elsa.base = pci_resource_start(dev_qs3000, 3);
1042                 } else {
1043                         printk(KERN_WARNING "Elsa: No PCI card found\n");
1044                         return(0);
1045                 }
1046                 if (!cs->irq) {
1047                         printk(KERN_WARNING "Elsa: No IRQ for PCI card found\n");
1048                         return(0);
1049                 }
1050
1051                 if (!(cs->hw.elsa.base && cs->hw.elsa.cfg)) {
1052                         printk(KERN_WARNING "Elsa: No IO-Adr for PCI card found\n");
1053                         return(0);
1054                 }
1055                 if ((cs->hw.elsa.cfg & 0xff) || (cs->hw.elsa.base & 0xf)) {
1056                         printk(KERN_WARNING "Elsa: You may have a wrong PCI bios\n");
1057                         printk(KERN_WARNING "Elsa: If your system hangs now, read\n");
1058                         printk(KERN_WARNING "Elsa: Documentation/isdn/README.HiSax\n");
1059                 }
1060                 cs->hw.elsa.ale  = cs->hw.elsa.base;
1061                 cs->hw.elsa.isac = cs->hw.elsa.base +1;
1062                 cs->hw.elsa.hscx = cs->hw.elsa.base +1; 
1063                 test_and_set_bit(HW_IPAC, &cs->HW_Flags);
1064                 cs->hw.elsa.timer = 0;
1065                 cs->hw.elsa.trig  = 0;
1066                 cs->irq_flags |= SA_SHIRQ;
1067                 printk(KERN_INFO
1068                        "Elsa: %s defined at %#lx/0x%x IRQ %d\n",
1069                        Elsa_Types[cs->subtyp],
1070                        cs->hw.elsa.base,
1071                        cs->hw.elsa.cfg,
1072                        cs->irq);
1073 #else
1074                 printk(KERN_WARNING "Elsa: Elsa PCI and NO_PCI_BIOS\n");
1075                 printk(KERN_WARNING "Elsa: unable to config Elsa PCI\n");
1076                 return (0);
1077 #endif /* CONFIG_PCI */
1078         } else 
1079                 return (0);
1080
1081         switch (cs->subtyp) {
1082                 case ELSA_PC:
1083                 case ELSA_PCC8:
1084                 case ELSA_PCC16:
1085                 case ELSA_QS1000:
1086                 case ELSA_PCMCIA:
1087                 case ELSA_PCMCIA_IPAC:
1088                         bytecnt = 8;
1089                         break;
1090                 case ELSA_PCFPRO:
1091                 case ELSA_PCF:
1092                 case ELSA_QS3000:
1093                 case ELSA_QS3000PCI:
1094                         bytecnt = 16;
1095                         break;
1096                 case ELSA_QS1000PCI:
1097                         bytecnt = 2;
1098                         break;
1099                 default:
1100                         printk(KERN_WARNING
1101                                "Unknown ELSA subtype %d\n", cs->subtyp);
1102                         return (0);
1103         }
1104         /* In case of the elsa pcmcia card, this region is in use,
1105            reserved for us by the card manager. So we do not check it
1106            here, it would fail. */
1107         if (cs->typ != ISDN_CTYPE_ELSA_PCMCIA && !request_region(cs->hw.elsa.base, bytecnt, "elsa isdn")) {
1108                 printk(KERN_WARNING
1109                        "HiSax: %s config port %#lx-%#lx already in use\n",
1110                        CardType[card->typ],
1111                        cs->hw.elsa.base,
1112                        cs->hw.elsa.base + bytecnt);
1113                 return (0);
1114         }
1115         if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI)) {
1116                 if (!request_region(cs->hw.elsa.cfg, 0x80, "elsa isdn pci")) {
1117                         printk(KERN_WARNING
1118                                "HiSax: %s pci port %x-%x already in use\n",
1119                                 CardType[card->typ],
1120                                 cs->hw.elsa.cfg,
1121                                 cs->hw.elsa.cfg + 0x80);
1122                         release_region(cs->hw.elsa.base, bytecnt);
1123                         return (0);
1124                 }
1125         }
1126 #if ARCOFI_USE
1127         init_arcofi(cs);
1128 #endif
1129         setup_isac(cs);
1130         cs->hw.elsa.tl.function = (void *) elsa_led_handler;
1131         cs->hw.elsa.tl.data = (long) cs;
1132         init_timer(&cs->hw.elsa.tl);
1133         /* Teste Timer */
1134         if (cs->hw.elsa.timer) {
1135                 byteout(cs->hw.elsa.trig, 0xff);
1136                 byteout(cs->hw.elsa.timer, 0);
1137                 if (!TimerRun(cs)) {
1138                         byteout(cs->hw.elsa.timer, 0);  /* 2. Versuch */
1139                         if (!TimerRun(cs)) {
1140                                 printk(KERN_WARNING
1141                                        "Elsa: timer do not start\n");
1142                                 release_io_elsa(cs);
1143                                 return (0);
1144                         }
1145                 }
1146                 HZDELAY((HZ/100) + 1);  /* wait >=10 ms */
1147                 if (TimerRun(cs)) {
1148                         printk(KERN_WARNING "Elsa: timer do not run down\n");
1149                         release_io_elsa(cs);
1150                         return (0);
1151                 }
1152                 printk(KERN_INFO "Elsa: timer OK; resetting card\n");
1153         }
1154         cs->BC_Read_Reg = &ReadHSCX;
1155         cs->BC_Write_Reg = &WriteHSCX;
1156         cs->BC_Send_Data = &hscx_fill_fifo;
1157         cs->cardmsg = &Elsa_card_msg;
1158         if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI) || (cs->subtyp == ELSA_PCMCIA_IPAC)) {
1159                 cs->readisac = &ReadISAC_IPAC;
1160                 cs->writeisac = &WriteISAC_IPAC;
1161                 cs->readisacfifo = &ReadISACfifo_IPAC;
1162                 cs->writeisacfifo = &WriteISACfifo_IPAC;
1163                 cs->irq_func = &elsa_interrupt_ipac;
1164                 val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ID);
1165                 printk(KERN_INFO "Elsa: IPAC version %x\n", val);
1166         } else {
1167                 cs->readisac = &ReadISAC;
1168                 cs->writeisac = &WriteISAC;
1169                 cs->readisacfifo = &ReadISACfifo;
1170                 cs->writeisacfifo = &WriteISACfifo;
1171                 cs->irq_func = &elsa_interrupt;
1172                 ISACVersion(cs, "Elsa:");
1173                 if (HscxVersion(cs, "Elsa:")) {
1174                         printk(KERN_WARNING
1175                                 "Elsa: wrong HSCX versions check IO address\n");
1176                         release_io_elsa(cs);
1177                         return (0);
1178                 }
1179         }
1180         if (cs->subtyp == ELSA_PC) {
1181                 val = readitac(cs, ITAC_SYS);
1182                 printk(KERN_INFO "Elsa: ITAC version %s\n", ITACVer[val & 7]);
1183                 writeitac(cs, ITAC_ISEN, 0);
1184                 writeitac(cs, ITAC_RFIE, 0);
1185                 writeitac(cs, ITAC_XFIE, 0);
1186                 writeitac(cs, ITAC_SCIE, 0);
1187                 writeitac(cs, ITAC_STIE, 0);
1188         }
1189         return (1);
1190 }