LXR linux/drivers/isdn/hisax/elsa.c

   1/* $Id: elsa.c,v 2.32.2.4 2004/01/24 20:47:21 keil Exp $
   2 *
   3 * low level stuff for Elsa isdn cards
   4 *
   5 * Author       Karsten Keil
   6 * Copyright    by Karsten Keil      <keil@isdn4linux.de>
   7 * 
   8 * This software may be used and distributed according to the terms
   9 * of the GNU General Public License, incorporated herein by reference.
  10 *
  11 * For changes and modifications please read
  12 * Documentation/isdn/HiSax.cert
  13 *
  14 * Thanks to    Elsa GmbH for documents and information
  15 *
  16 *              Klaus Lichtenwalder (Klaus.Lichtenwalder@WebForum.DE)
  17 *              for ELSA PCMCIA support
  18 *
  19 */
  20
  21#include <linux/init.h>
  22#include "hisax.h"
  23#include "arcofi.h"
  24#include "isac.h"
  25#include "ipac.h"
  26#include "hscx.h"
  27#include "isdnl1.h"
  28#include <linux/pci.h>
  29#include <linux/isapnp.h>
  30#include <linux/serial.h>
  31#include <linux/serial_reg.h>
  32
  33static const char *Elsa_revision = "$Revision: 2.32.2.4 $";
  34static 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
  39static 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
 114static struct arcofi_msg ARCOFI_XOP_F =
 115        {NULL,0,2,{0xa1,0x3f,0,0,0,0,0,0,0,0}}; /* Normal OP */
 116static struct arcofi_msg ARCOFI_XOP_1 =
 117        {&ARCOFI_XOP_F,0,2,{0xa1,0x31,0,0,0,0,0,0,0,0}}; /* PWR UP */
 118static struct arcofi_msg ARCOFI_SOP_F = 
 119        {&ARCOFI_XOP_1,0,10,{0xa1,0x1f,0x00,0x50,0x10,0x00,0x00,0x80,0x02,0x12}};
 120static struct arcofi_msg ARCOFI_COP_9 =
 121        {&ARCOFI_SOP_F,0,10,{0xa1,0x29,0x80,0xcb,0xe9,0x88,0x00,0xc8,0xd8,0x80}}; /* RX */
 122static struct arcofi_msg ARCOFI_COP_8 =
 123        {&ARCOFI_COP_9,0,10,{0xa1,0x28,0x49,0x31,0x8,0x13,0x6e,0x88,0x2a,0x61}}; /* TX */
 124static struct arcofi_msg ARCOFI_COP_7 =
 125        {&ARCOFI_COP_8,0,4,{0xa1,0x27,0x80,0x80,0,0,0,0,0,0}}; /* GZ */
 126static struct arcofi_msg ARCOFI_COP_6 =
 127        {&ARCOFI_COP_7,0,6,{0xa1,0x26,0,0,0x82,0x7c,0,0,0,0}}; /* GRL GRH */
 128static struct arcofi_msg ARCOFI_COP_5 =
 129        {&ARCOFI_COP_6,0,4,{0xa1,0x25,0xbb,0x4a,0,0,0,0,0,0}}; /* GTX */
 130static struct arcofi_msg ARCOFI_VERSION =
 131        {NULL,1,2,{0xa0,0,0,0,0,0,0,0,0,0}};
 132static struct arcofi_msg ARCOFI_XOP_0 =
 133        {NULL,0,2,{0xa1,0x30,0,0,0,0,0,0,0,0}}; /* PWR Down */
 134
 135static void set_arcofi(struct IsdnCardState *cs, int bc);
 136
 137#include "elsa_ser.c"
 138#endif /* ARCOFI_USE */
 139
 140static inline u_char
 141readreg(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
 150static inline void
 151readfifo(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
 158static inline void
 159writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
 160{
 161        byteout(ale, off);
 162        byteout(adr, data);
 163}
 164
 165static inline void
 166writefifo(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
 174static u_char
 175ReadISAC(struct IsdnCardState *cs, u_char offset)
 176{
 177        return (readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset));
 178}
 179
 180static void
 181WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
 182{
 183        writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset, value);
 184}
 185
 186static void
 187ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size)
 188{
 189        readfifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0, data, size);
 190}
 191
 192static void
 193WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size)
 194{
 195        writefifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0, data, size);
 196}
 197
 198static u_char
 199ReadISAC_IPAC(struct IsdnCardState *cs, u_char offset)
 200{
 201        return (readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset+0x80));
 202}
 203
 204static void
 205WriteISAC_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
 210static void
 211ReadISACfifo_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
 216static void
 217WriteISACfifo_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
 222static u_char
 223ReadHSCX(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
 229static void
 230WriteHSCX(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
 236static inline u_char
 237readitac(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
 246static inline void
 247writeitac(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
 253static inline int
 254TimerRun(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
 282static irqreturn_t
 283elsa_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
 361static irqreturn_t
 362elsa_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);
 387Start_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
 424static void
 425release_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
 462static void
 463reset_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
 507static void
 508set_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
 514static int
 515check_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
 604static void
 605elsa_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
 645static int
 646Elsa_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
 770static unsigned char
 771probe_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
 819static unsigned int
 820probe_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
 833static int __devinit
 834setup_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__
 904static 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
 914static struct isapnp_device_id *ipid __devinitdata = &elsa_ids[0];
 915static struct pnp_card *pnp_c __devinitdata = NULL;
 916#endif  /* __ISAPNP__ */
 917
 918static int __devinit
 919setup_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
 996static void __devinit
 997setup_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
1029static  struct pci_dev *dev_qs1000 __devinitdata = NULL;
1030static  struct pci_dev *dev_qs3000 __devinitdata = NULL;
1031
1032static int __devinit
1033setup_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
1091static int __devinit
1092setup_elsa_pci(struct IsdnCard *card)
1093{
1094        return (1);
1095}
1096#endif /* CONFIG_PCI_LEGACY */
1097
1098static int __devinit
1099setup_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
1214int __devinit
1215setup_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