1 /* $Id: elsa.c,v 2.32.2.4 2004/01/24 20:47:21 keil Exp $
3 * low level stuff for Elsa isdn cards
6 * Copyright by Karsten Keil <keil@isdn4linux.de>
8 * This software may be used and distributed according to the terms
9 * of the GNU General Public License, incorporated herein by reference.
11 * For changes and modifications please read
12 * Documentation/isdn/HiSax.cert
14 * Thanks to Elsa GmbH for documents and information
16 * Klaus Lichtenwalder (Klaus.Lichtenwalder@WebForum.DE)
17 * for ELSA PCMCIA support
21 #include <linux/init.h>
22 #include <linux/slab.h>
29 #include <linux/pci.h>
30 #include <linux/isapnp.h>
31 #include <linux/serial.h>
32 #include <linux/serial_reg.h>
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",
40 static const char *ITACVer[] =
41 {"?0?", "?1?", "?2?", "?3?", "?4?", "V2.2",
44 #define byteout(addr,val) outb(val,addr)
45 #define bytein(addr) inb(addr)
48 #define ELSA_ISAC_PCM 1
52 #define ELSA_ALE_PCM 4
53 #define ELSA_CONTROL 4
55 #define ELSA_START_TIMER 6
56 #define ELSA_TRIG_IRQ 7
66 #define ELSA_QS1000PCI 9
67 #define ELSA_QS3000PCI 10
68 #define ELSA_PCMCIA_IPAC 11
71 #define ELSA_PCI_IRQ_MASK 0x04
73 /* ITAC Registeradressen (only Microlink PC) */
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
82 *** Makros als Befehle fuer die Kartenregister ***
83 *** (mehrere Befehle werden durch Bit-Oderung kombiniert) ***
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 */
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 */
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 */
104 #define ELIRQF_TIMER_AKTIV 1
105 #define ELSA_BAD_PWR 2
106 #define ELSA_ASSIGN 4
108 #define RS_ISR_PASS_LIMIT 256
109 #define FLG_MODEM_ACTIVE 1
111 #define ELSA_IPAC_LINE_LED 0x40 /* Bit 6 Gelbe LED */
112 #define ELSA_IPAC_STAT_LED 0x80 /* Bit 7 Gruene LED */
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 */
136 static void set_arcofi(struct IsdnCardState *cs, int bc);
138 #include "elsa_ser.c"
139 #endif /* ARCOFI_USE */
142 readreg(unsigned int ale, unsigned int adr, u_char off)
152 readfifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
155 insb(adr, data, size);
160 writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
167 writefifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
170 outsb(adr, data, size);
173 /* Interface functions */
176 ReadISAC(struct IsdnCardState *cs, u_char offset)
178 return (readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset));
182 WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
184 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset, value);
188 ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size)
190 readfifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0, data, size);
194 WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size)
196 writefifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0, data, size);
200 ReadISAC_IPAC(struct IsdnCardState *cs, u_char offset)
202 return (readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset+0x80));
206 WriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value)
208 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset|0x80, value);
212 ReadISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size)
214 readfifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0x80, data, size);
218 WriteISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size)
220 writefifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0x80, data, size);
224 ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
226 return (readreg(cs->hw.elsa.ale,
227 cs->hw.elsa.hscx, offset + (hscx ? 0x40 : 0)));
231 WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
233 writereg(cs->hw.elsa.ale,
234 cs->hw.elsa.hscx, offset + (hscx ? 0x40 : 0), value);
238 readitac(struct IsdnCardState *cs, u_char off)
242 byteout(cs->hw.elsa.ale, off);
243 ret = bytein(cs->hw.elsa.itac);
248 writeitac(struct IsdnCardState *cs, u_char off, u_char data)
250 byteout(cs->hw.elsa.ale, off);
251 byteout(cs->hw.elsa.itac, data);
255 TimerRun(struct IsdnCardState *cs)
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);
267 * fast interrupt HSCX stuff goes here
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)
275 #define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.elsa.ale, \
276 cs->hw.elsa.hscx, (nr ? 0x40 : 0), ptr, cnt)
278 #define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.elsa.ale, \
279 cs->hw.elsa.hscx, (nr ? 0x40 : 0), ptr, cnt)
281 #include "hscx_irq.c"
284 elsa_interrupt(int intno, void *dev_id)
286 struct IsdnCardState *cs = dev_id;
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");
297 spin_lock_irqsave(&cs->lock, flags);
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);
307 val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40);
310 hscx_int_main(cs, val);
312 val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA);
315 isac_interrupt(cs, val);
317 val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40);
319 if (cs->debug & L1_DEB_HSCX)
320 debugl1(cs, "HSCX IntStat after IntRoutine");
324 val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA);
326 if (cs->debug & L1_DEB_ISAC)
327 debugl1(cs, "ISAC IntStat after IntRoutine");
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) {
339 byteout(cs->hw.elsa.timer, 0);
340 cs->hw.elsa.counter++;
344 if (cs->hw.elsa.MFlag) {
345 val = serial_inp(cs, UART_MCR);
347 serial_outp(cs, UART_MCR, val);
348 val = serial_inp(cs, UART_MCR);
350 serial_outp(cs, UART_MCR, val);
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);
363 elsa_interrupt_ipac(int intno, void *dev_id)
365 struct IsdnCardState *cs = dev_id;
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);
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);
387 ista = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ISTA);
389 if (cs->debug & L1_DEB_IPAC)
390 debugl1(cs, "IPAC ISTA %02X", ista);
392 val = readreg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_ISTA + 0x40);
400 hscx_int_main(cs, val);
403 val = 0xfe & readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA + 0x80);
405 isac_interrupt(cs, val);
410 isac_interrupt(cs, val);
412 ista = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ISTA);
413 if ((ista & 0x3f) && 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);
426 release_io_elsa(struct IsdnCardState *cs)
430 del_timer(&cs->hw.elsa.tl);
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);
440 release_region(cs->hw.elsa.cfg, 0x80);
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);
447 if (cs->subtyp == ELSA_PCMCIA_IPAC) {
448 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, 0xff);
450 if ((cs->subtyp == ELSA_PCFPRO) ||
451 (cs->subtyp == ELSA_QS3000) ||
452 (cs->subtyp == ELSA_PCF) ||
453 (cs->subtyp == ELSA_QS3000PCI)) {
459 if (cs->hw.elsa.base)
460 release_region(cs->hw.elsa.base, bytecnt);
464 reset_elsa(struct IsdnCardState *cs)
466 if (cs->hw.elsa.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);
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);
479 byteout(cs->hw.elsa.timer, 0);
480 while (TimerRun(cs));
481 if (cs->hw.elsa.trig)
482 byteout(cs->hw.elsa.trig, 0xff);
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);
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);
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);
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);
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 */
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 interruptible_sleep_on(&cs->dc.isac.arcofi_wait);
516 check_arcofi(struct IsdnCardState *cs)
518 int arcofi_present = 0;
523 if (!cs->dc.isac.mon_tx)
524 if (!(cs->dc.isac.mon_tx=kmalloc(MAX_MON_FRAME, GFP_ATOMIC))) {
525 if (cs->debug & L1_DEB_WARN)
526 debugl1(cs, "ISAC MON TX out of buffers!");
529 cs->dc.isac.arcofi_bc = 0;
530 arcofi_fsm(cs, ARCOFI_START, &ARCOFI_VERSION);
531 interruptible_sleep_on(&cs->dc.isac.arcofi_wait);
532 if (!test_and_clear_bit(FLG_ARCOFI_ERROR, &cs->HW_Flags)) {
533 debugl1(cs, "Arcofi response received %d bytes", cs->dc.isac.mon_rxp);
534 p = cs->dc.isac.mon_rx;
536 t += sprintf(tmp, "Arcofi data");
537 QuickHex(t, p, cs->dc.isac.mon_rxp);
539 if ((cs->dc.isac.mon_rxp == 2) && (cs->dc.isac.mon_rx[0] == 0xa0)) {
540 switch(cs->dc.isac.mon_rx[1]) {
542 debugl1(cs, "Arcofi 2160 detected");
546 debugl1(cs, "Arcofi 2165 detected");
550 debugl1(cs, "Arcofi 2163 detected");
554 debugl1(cs, "unknown Arcofi response");
558 debugl1(cs, "undefined Monitor response");
559 cs->dc.isac.mon_rxp = 0;
560 } else if (cs->dc.isac.mon_tx) {
561 debugl1(cs, "Arcofi not detected");
563 if (arcofi_present) {
564 if (cs->subtyp==ELSA_QS1000) {
565 cs->subtyp = ELSA_QS3000;
567 "Elsa: %s detected modem at 0x%lx\n",
568 Elsa_Types[cs->subtyp],
570 release_region(cs->hw.elsa.base, 8);
571 if (!request_region(cs->hw.elsa.base, 16, "elsa isdn modem")) {
573 "HiSax: %s config port %lx-%lx already in use\n",
574 Elsa_Types[cs->subtyp],
575 cs->hw.elsa.base + 8,
576 cs->hw.elsa.base + 16);
578 } else if (cs->subtyp==ELSA_PCC16) {
579 cs->subtyp = ELSA_PCF;
581 "Elsa: %s detected modem at 0x%lx\n",
582 Elsa_Types[cs->subtyp],
584 release_region(cs->hw.elsa.base, 8);
585 if (!request_region(cs->hw.elsa.base, 16, "elsa isdn modem")) {
587 "HiSax: %s config port %lx-%lx already in use\n",
588 Elsa_Types[cs->subtyp],
589 cs->hw.elsa.base + 8,
590 cs->hw.elsa.base + 16);
594 "Elsa: %s detected modem at 0x%lx\n",
595 Elsa_Types[cs->subtyp],
597 arcofi_fsm(cs, ARCOFI_START, &ARCOFI_XOP_0);
598 interruptible_sleep_on(&cs->dc.isac.arcofi_wait);
603 #endif /* ARCOFI_USE */
606 elsa_led_handler(struct IsdnCardState *cs)
610 if (cs->subtyp == ELSA_PCMCIA || cs->subtyp == ELSA_PCMCIA_IPAC)
612 del_timer(&cs->hw.elsa.tl);
613 if (cs->hw.elsa.status & ELSA_ASSIGN)
614 cs->hw.elsa.ctrl_reg |= ELSA_STAT_LED;
615 else if (cs->hw.elsa.status & ELSA_BAD_PWR)
616 cs->hw.elsa.ctrl_reg &= ~ELSA_STAT_LED;
618 cs->hw.elsa.ctrl_reg ^= ELSA_STAT_LED;
621 if (cs->hw.elsa.status & 0xf000)
622 cs->hw.elsa.ctrl_reg |= ELSA_LINE_LED;
623 else if (cs->hw.elsa.status & 0x0f00) {
624 cs->hw.elsa.ctrl_reg ^= ELSA_LINE_LED;
627 cs->hw.elsa.ctrl_reg &= ~ELSA_LINE_LED;
629 if ((cs->subtyp == ELSA_QS1000PCI) ||
630 (cs->subtyp == ELSA_QS3000PCI)) {
632 if (cs->hw.elsa.ctrl_reg & ELSA_LINE_LED)
633 led ^= ELSA_IPAC_LINE_LED;
634 if (cs->hw.elsa.ctrl_reg & ELSA_STAT_LED)
635 led ^= ELSA_IPAC_STAT_LED;
636 writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, led);
638 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
640 init_timer(&cs->hw.elsa.tl);
641 cs->hw.elsa.tl.expires = jiffies + ((blink * HZ) / 1000);
642 add_timer(&cs->hw.elsa.tl);
647 Elsa_card_msg(struct IsdnCardState *cs, int mt, void *arg)
654 spin_lock_irqsave(&cs->lock, flags);
656 spin_unlock_irqrestore(&cs->lock, flags);
662 spin_lock_irqsave(&cs->lock, flags);
663 cs->debug |= L1_DEB_IPAC;
666 if ((cs->subtyp == ELSA_QS1000) ||
667 (cs->subtyp == ELSA_QS3000))
669 byteout(cs->hw.elsa.timer, 0);
671 if (cs->hw.elsa.trig)
672 byteout(cs->hw.elsa.trig, 0xff);
674 spin_unlock_irqrestore(&cs->lock, flags);
677 if ((cs->subtyp == ELSA_PCMCIA) ||
678 (cs->subtyp == ELSA_PCMCIA_IPAC) ||
679 (cs->subtyp == ELSA_QS1000PCI)) {
681 } else if (cs->subtyp == ELSA_QS3000PCI) {
684 spin_lock_irqsave(&cs->lock, flags);
685 cs->hw.elsa.counter = 0;
686 cs->hw.elsa.ctrl_reg |= ELSA_ENA_TIMER_INT;
687 cs->hw.elsa.status |= ELIRQF_TIMER_AKTIV;
688 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
689 byteout(cs->hw.elsa.timer, 0);
690 spin_unlock_irqrestore(&cs->lock, flags);
692 spin_lock_irqsave(&cs->lock, flags);
693 cs->hw.elsa.ctrl_reg &= ~ELSA_ENA_TIMER_INT;
694 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
695 cs->hw.elsa.status &= ~ELIRQF_TIMER_AKTIV;
696 spin_unlock_irqrestore(&cs->lock, flags);
697 printk(KERN_INFO "Elsa: %d timer tics in 110 msek\n",
698 cs->hw.elsa.counter);
699 if ((cs->hw.elsa.counter > 10) &&
700 (cs->hw.elsa.counter < 16)) {
701 printk(KERN_INFO "Elsa: timer and irq OK\n");
705 "Elsa: timer tic problem (%d/12) maybe an IRQ(%d) conflict\n",
706 cs->hw.elsa.counter, cs->irq);
711 if (check_arcofi(cs)) {
715 elsa_led_handler(cs);
717 case (MDL_REMOVE | REQUEST):
718 cs->hw.elsa.status &= 0;
720 case (MDL_ASSIGN | REQUEST):
721 cs->hw.elsa.status |= ELSA_ASSIGN;
725 cs->hw.elsa.status |= 0x0200;
727 cs->hw.elsa.status |= 0x0100;
731 cs->hw.elsa.status |= 0x2000;
733 cs->hw.elsa.status |= 0x1000;
737 cs->hw.elsa.status &= ~0x2000;
738 cs->hw.elsa.status &= ~0x0200;
740 cs->hw.elsa.status &= ~0x1000;
741 cs->hw.elsa.status &= ~0x0100;
746 if (cs->hw.elsa.MFlag) {
755 modem_write_cmd(cs, msg, len);
760 if (cs->typ == ISDN_CTYPE_ELSA) {
761 int pwr = bytein(cs->hw.elsa.ale);
763 cs->hw.elsa.status |= ELSA_BAD_PWR;
765 cs->hw.elsa.status &= ~ELSA_BAD_PWR;
767 elsa_led_handler(cs);
772 probe_elsa_adr(unsigned int adr, int typ)
774 int i, in1, in2, p16_1 = 0, p16_2 = 0, p8_1 = 0, p8_2 = 0, pc_1 = 0,
775 pc_2 = 0, pfp_1 = 0, pfp_2 = 0;
777 /* In case of the elsa pcmcia card, this region is in use,
778 reserved for us by the card manager. So we do not check it
779 here, it would fail. */
780 if (typ != ISDN_CTYPE_ELSA_PCMCIA) {
781 if (request_region(adr, 8, "elsa card")) {
782 release_region(adr, 8);
785 "Elsa: Probing Port 0x%x: already in use\n", adr);
789 for (i = 0; i < 16; i++) {
790 in1 = inb(adr + ELSA_CONFIG); /* 'toggelt' bei */
791 in2 = inb(adr + ELSA_CONFIG); /* jedem Zugriff */
801 printk(KERN_INFO "Elsa: Probing IO 0x%x", adr);
802 if (65 == ++p16_1 * ++p16_2) {
803 printk(" PCC-16/PCF found\n");
805 } else if (1025 == ++pfp_1 * ++pfp_2) {
806 printk(" PCF-Pro found\n");
807 return (ELSA_PCFPRO);
808 } else if (33 == ++p8_1 * ++p8_2) {
809 printk(" PCC8 found\n");
811 } else if (17 == ++pc_1 * ++pc_2) {
812 printk(" PC found\n");
821 probe_elsa(struct IsdnCardState *cs)
824 unsigned int CARD_portlist[] =
825 {0x160, 0x170, 0x260, 0x360, 0};
827 for (i = 0; CARD_portlist[i]; i++) {
828 if ((cs->subtyp = probe_elsa_adr(CARD_portlist[i], cs->typ)))
831 return (CARD_portlist[i]);
835 setup_elsa_isa(struct IsdnCard *card)
837 struct IsdnCardState *cs = card->cs;
840 cs->hw.elsa.base = card->para[0];
841 printk(KERN_INFO "Elsa: Microlink IO probing\n");
842 if (cs->hw.elsa.base) {
843 if (!(cs->subtyp = probe_elsa_adr(cs->hw.elsa.base,
846 "Elsa: no Elsa Microlink at %#lx\n",
851 cs->hw.elsa.base = probe_elsa(cs);
853 if (!cs->hw.elsa.base) {
855 "No Elsa Microlink found\n");
859 cs->hw.elsa.cfg = cs->hw.elsa.base + ELSA_CONFIG;
860 cs->hw.elsa.ctrl = cs->hw.elsa.base + ELSA_CONTROL;
861 cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE;
862 cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC;
863 cs->hw.elsa.itac = cs->hw.elsa.base + ELSA_ITAC;
864 cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
865 cs->hw.elsa.trig = cs->hw.elsa.base + ELSA_TRIG_IRQ;
866 cs->hw.elsa.timer = cs->hw.elsa.base + ELSA_START_TIMER;
867 val = bytein(cs->hw.elsa.cfg);
868 if (cs->subtyp == ELSA_PC) {
869 const u_char CARD_IrqTab[8] =
870 {7, 3, 5, 9, 0, 0, 0, 0};
871 cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX_PC) >> 2];
872 } else if (cs->subtyp == ELSA_PCC8) {
873 const u_char CARD_IrqTab[8] =
874 {7, 3, 5, 9, 0, 0, 0, 0};
875 cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX_PCC8) >> 4];
877 const u_char CARD_IrqTab[8] =
878 {15, 10, 15, 3, 11, 5, 11, 9};
879 cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX) >> 3];
881 val = bytein(cs->hw.elsa.ale) & ELSA_HW_RELEASE;
885 if (val == 'B' || val == 'C')
887 if ((cs->subtyp == ELSA_PCFPRO) && (val == 'G'))
890 "Elsa: %s found at %#lx Rev.:%c IRQ %d\n",
891 Elsa_Types[cs->subtyp],
894 val = bytein(cs->hw.elsa.ale) & ELSA_S0_POWER_BAD;
897 "Elsa: Microlink S0 bus power bad\n");
898 cs->hw.elsa.status |= ELSA_BAD_PWR;
905 static struct isapnp_device_id elsa_ids[] __devinitdata = {
906 { ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0133),
907 ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0133),
908 (unsigned long) "Elsa QS1000" },
909 { ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0134),
910 ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0134),
911 (unsigned long) "Elsa QS3000" },
915 static struct isapnp_device_id *ipid __devinitdata = &elsa_ids[0];
916 static struct pnp_card *pnp_c __devinitdata = NULL;
917 #endif /* __ISAPNP__ */
920 setup_elsa_isapnp(struct IsdnCard *card)
922 struct IsdnCardState *cs = card->cs;
925 if (!card->para[1] && isapnp_present()) {
926 struct pnp_dev *pnp_d;
927 while(ipid->card_vendor) {
928 if ((pnp_c = pnp_find_card(ipid->card_vendor,
929 ipid->card_device, pnp_c))) {
931 if ((pnp_d = pnp_find_dev(pnp_c,
932 ipid->vendor, ipid->function, pnp_d))) {
935 printk(KERN_INFO "HiSax: %s detected\n",
936 (char *)ipid->driver_data);
937 pnp_disable_dev(pnp_d);
938 err = pnp_activate_dev(pnp_d);
940 printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
944 card->para[1] = pnp_port_start(pnp_d, 0);
945 card->para[0] = pnp_irq(pnp_d, 0);
947 if (!card->para[0] || !card->para[1]) {
948 printk(KERN_ERR "Elsa PnP:some resources are missing %ld/%lx\n",
949 card->para[0], card->para[1]);
950 pnp_disable_dev(pnp_d);
953 if (ipid->function == ISAPNP_FUNCTION(0x133))
954 cs->subtyp = ELSA_QS1000;
956 cs->subtyp = ELSA_QS3000;
959 printk(KERN_ERR "Elsa PnP: PnP error card found, no device\n");
966 if (!ipid->card_vendor) {
967 printk(KERN_INFO "Elsa PnP: no ISAPnP card found\n");
971 #endif /* __ISAPNP__ */
973 if (card->para[1] && card->para[0]) {
974 cs->hw.elsa.base = card->para[1];
975 cs->irq = card->para[0];
977 cs->subtyp = ELSA_QS1000;
979 printk(KERN_ERR "Elsa PnP: no parameter\n");
981 cs->hw.elsa.cfg = cs->hw.elsa.base + ELSA_CONFIG;
982 cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE;
983 cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC;
984 cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
985 cs->hw.elsa.trig = cs->hw.elsa.base + ELSA_TRIG_IRQ;
986 cs->hw.elsa.timer = cs->hw.elsa.base + ELSA_START_TIMER;
987 cs->hw.elsa.ctrl = cs->hw.elsa.base + ELSA_CONTROL;
989 "Elsa: %s defined at %#lx IRQ %d\n",
990 Elsa_Types[cs->subtyp],
997 static void __devinit
998 setup_elsa_pcmcia(struct IsdnCard *card)
1000 struct IsdnCardState *cs = card->cs;
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);
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;
1018 cs->hw.elsa.timer = 0;
1019 cs->hw.elsa.trig = 0;
1020 cs->hw.elsa.ctrl = 0;
1021 cs->irq_flags |= IRQF_SHARED;
1023 "Elsa: %s defined at %#lx IRQ %d\n",
1024 Elsa_Types[cs->subtyp],
1030 static struct pci_dev *dev_qs1000 __devinitdata = NULL;
1031 static struct pci_dev *dev_qs3000 __devinitdata = NULL;
1033 static int __devinit
1034 setup_elsa_pci(struct IsdnCard *card)
1036 struct IsdnCardState *cs = card->cs;
1039 if ((dev_qs1000 = hisax_find_pci_device(PCI_VENDOR_ID_ELSA,
1040 PCI_DEVICE_ID_ELSA_MICROLINK, dev_qs1000))) {
1041 if (pci_enable_device(dev_qs1000))
1043 cs->subtyp = ELSA_QS1000PCI;
1044 cs->irq = dev_qs1000->irq;
1045 cs->hw.elsa.cfg = pci_resource_start(dev_qs1000, 1);
1046 cs->hw.elsa.base = pci_resource_start(dev_qs1000, 3);
1047 } else if ((dev_qs3000 = hisax_find_pci_device(PCI_VENDOR_ID_ELSA,
1048 PCI_DEVICE_ID_ELSA_QS3000, dev_qs3000))) {
1049 if (pci_enable_device(dev_qs3000))
1051 cs->subtyp = ELSA_QS3000PCI;
1052 cs->irq = dev_qs3000->irq;
1053 cs->hw.elsa.cfg = pci_resource_start(dev_qs3000, 1);
1054 cs->hw.elsa.base = pci_resource_start(dev_qs3000, 3);
1056 printk(KERN_WARNING "Elsa: No PCI card found\n");
1060 printk(KERN_WARNING "Elsa: No IRQ for PCI card found\n");
1064 if (!(cs->hw.elsa.base && cs->hw.elsa.cfg)) {
1065 printk(KERN_WARNING "Elsa: No IO-Adr for PCI card found\n");
1068 if ((cs->hw.elsa.cfg & 0xff) || (cs->hw.elsa.base & 0xf)) {
1069 printk(KERN_WARNING "Elsa: You may have a wrong PCI bios\n");
1070 printk(KERN_WARNING "Elsa: If your system hangs now, read\n");
1071 printk(KERN_WARNING "Elsa: Documentation/isdn/README.HiSax\n");
1073 cs->hw.elsa.ale = cs->hw.elsa.base;
1074 cs->hw.elsa.isac = cs->hw.elsa.base +1;
1075 cs->hw.elsa.hscx = cs->hw.elsa.base +1;
1076 test_and_set_bit(HW_IPAC, &cs->HW_Flags);
1077 cs->hw.elsa.timer = 0;
1078 cs->hw.elsa.trig = 0;
1079 cs->irq_flags |= IRQF_SHARED;
1081 "Elsa: %s defined at %#lx/0x%x IRQ %d\n",
1082 Elsa_Types[cs->subtyp],
1092 static int __devinit
1093 setup_elsa_pci(struct IsdnCard *card)
1097 #endif /* CONFIG_PCI */
1099 static int __devinit
1100 setup_elsa_common(struct IsdnCard *card)
1102 struct IsdnCardState *cs = card->cs;
1106 switch (cs->subtyp) {
1112 case ELSA_PCMCIA_IPAC:
1118 case ELSA_QS3000PCI:
1121 case ELSA_QS1000PCI:
1126 "Unknown ELSA subtype %d\n", cs->subtyp);
1129 /* In case of the elsa pcmcia card, this region is in use,
1130 reserved for us by the card manager. So we do not check it
1131 here, it would fail. */
1132 if (cs->typ != ISDN_CTYPE_ELSA_PCMCIA && !request_region(cs->hw.elsa.base, bytecnt, "elsa isdn")) {
1134 "HiSax: ELSA config port %#lx-%#lx already in use\n",
1136 cs->hw.elsa.base + bytecnt);
1139 if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI)) {
1140 if (!request_region(cs->hw.elsa.cfg, 0x80, "elsa isdn pci")) {
1142 "HiSax: ELSA pci port %x-%x already in use\n",
1144 cs->hw.elsa.cfg + 0x80);
1145 release_region(cs->hw.elsa.base, bytecnt);
1153 cs->hw.elsa.tl.function = (void *) elsa_led_handler;
1154 cs->hw.elsa.tl.data = (long) cs;
1155 init_timer(&cs->hw.elsa.tl);
1157 if (cs->hw.elsa.timer) {
1158 byteout(cs->hw.elsa.trig, 0xff);
1159 byteout(cs->hw.elsa.timer, 0);
1160 if (!TimerRun(cs)) {
1161 byteout(cs->hw.elsa.timer, 0); /* 2. Versuch */
1162 if (!TimerRun(cs)) {
1164 "Elsa: timer do not start\n");
1165 release_io_elsa(cs);
1169 HZDELAY((HZ/100) + 1); /* wait >=10 ms */
1171 printk(KERN_WARNING "Elsa: timer do not run down\n");
1172 release_io_elsa(cs);
1175 printk(KERN_INFO "Elsa: timer OK; resetting card\n");
1177 cs->BC_Read_Reg = &ReadHSCX;
1178 cs->BC_Write_Reg = &WriteHSCX;
1179 cs->BC_Send_Data = &hscx_fill_fifo;
1180 cs->cardmsg = &Elsa_card_msg;
1181 if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI) || (cs->subtyp == ELSA_PCMCIA_IPAC)) {
1182 cs->readisac = &ReadISAC_IPAC;
1183 cs->writeisac = &WriteISAC_IPAC;
1184 cs->readisacfifo = &ReadISACfifo_IPAC;
1185 cs->writeisacfifo = &WriteISACfifo_IPAC;
1186 cs->irq_func = &elsa_interrupt_ipac;
1187 val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ID);
1188 printk(KERN_INFO "Elsa: IPAC version %x\n", val);
1190 cs->readisac = &ReadISAC;
1191 cs->writeisac = &WriteISAC;
1192 cs->readisacfifo = &ReadISACfifo;
1193 cs->writeisacfifo = &WriteISACfifo;
1194 cs->irq_func = &elsa_interrupt;
1195 ISACVersion(cs, "Elsa:");
1196 if (HscxVersion(cs, "Elsa:")) {
1198 "Elsa: wrong HSCX versions check IO address\n");
1199 release_io_elsa(cs);
1203 if (cs->subtyp == ELSA_PC) {
1204 val = readitac(cs, ITAC_SYS);
1205 printk(KERN_INFO "Elsa: ITAC version %s\n", ITACVer[val & 7]);
1206 writeitac(cs, ITAC_ISEN, 0);
1207 writeitac(cs, ITAC_RFIE, 0);
1208 writeitac(cs, ITAC_XFIE, 0);
1209 writeitac(cs, ITAC_SCIE, 0);
1210 writeitac(cs, ITAC_STIE, 0);
1216 setup_elsa(struct IsdnCard *card)
1219 struct IsdnCardState *cs = card->cs;
1222 strcpy(tmp, Elsa_revision);
1223 printk(KERN_INFO "HiSax: Elsa driver Rev. %s\n", HiSax_getrev(tmp));
1224 cs->hw.elsa.ctrl_reg = 0;
1225 cs->hw.elsa.status = 0;
1226 cs->hw.elsa.MFlag = 0;
1229 if (cs->typ == ISDN_CTYPE_ELSA) {
1230 rc = setup_elsa_isa(card);
1234 } else if (cs->typ == ISDN_CTYPE_ELSA_PNP) {
1235 rc = setup_elsa_isapnp(card);
1239 } else if (cs->typ == ISDN_CTYPE_ELSA_PCMCIA)
1240 setup_elsa_pcmcia(card);
1242 else if (cs->typ == ISDN_CTYPE_ELSA_PCI) {
1243 rc = setup_elsa_pci(card);
1250 return setup_elsa_common(card);