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