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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
readreg(unsigned int ale,unsigned int adr,u_char off)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
readfifo(unsigned int ale,unsigned int adr,u_char off,u_char * data,int size)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
writereg(unsigned int ale,unsigned int adr,u_char off,u_char data)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
writefifo(unsigned int ale,unsigned int adr,u_char off,u_char * data,int size)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
ReadISAC(struct IsdnCardState * cs,u_char offset)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
WriteISAC(struct IsdnCardState * cs,u_char offset,u_char value)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
ReadISACfifo(struct IsdnCardState * cs,u_char * data,int size)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
WriteISACfifo(struct IsdnCardState * cs,u_char * data,int size)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
ReadISAC_IPAC(struct IsdnCardState * cs,u_char offset)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
WriteISAC_IPAC(struct IsdnCardState * cs,u_char offset,u_char value)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
ReadISACfifo_IPAC(struct IsdnCardState * cs,u_char * data,int size)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
WriteISACfifo_IPAC(struct IsdnCardState * cs,u_char * data,int size)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
ReadHSCX(struct IsdnCardState * cs,int hscx,u_char offset)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
WriteHSCX(struct IsdnCardState * cs,int hscx,u_char offset,u_char value)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
readitac(struct IsdnCardState * cs,u_char off)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
writeitac(struct IsdnCardState * cs,u_char off,u_char data)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
TimerRun(struct IsdnCardState * cs)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
elsa_interrupt(int intno,void * dev_id)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
elsa_interrupt_ipac(int intno,void * dev_id)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
release_io_elsa(struct IsdnCardState * cs)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
reset_elsa(struct IsdnCardState * cs)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
set_arcofi(struct IsdnCardState * cs,int bc)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
check_arcofi(struct IsdnCardState * cs)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
elsa_led_handler(struct IsdnCardState * cs)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
Elsa_card_msg(struct IsdnCardState * cs,int mt,void * arg)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
probe_elsa_adr(unsigned int adr,int typ)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
probe_elsa(struct IsdnCardState * cs)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
setup_elsa_isa(struct IsdnCard * card)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
setup_elsa_isapnp(struct IsdnCard * card)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
setup_elsa_pcmcia(struct IsdnCard * card)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
setup_elsa_pci(struct IsdnCard * card)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
setup_elsa_pci(struct IsdnCard * card)1092 setup_elsa_pci(struct IsdnCard *card)
1093 {
1094 	return (1);
1095 }
1096 #endif /* CONFIG_PCI_LEGACY */
1097 
1098 static int __devinit
setup_elsa_common(struct IsdnCard * card)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
setup_elsa(struct IsdnCard * card)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 }
1251