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 <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
  34static const char *Elsa_revision = "$Revision: 2.32.2.4 $";
  35static 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
  40static 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
 115static struct arcofi_msg ARCOFI_XOP_F =
 116        {NULL,0,2,{0xa1,0x3f,0,0,0,0,0,0,0,0}}; /* Normal OP */
 117static struct arcofi_msg ARCOFI_XOP_1 =
 118        {&ARCOFI_XOP_F,0,2,{0xa1,0x31,0,0,0,0,0,0,0,0}}; /* PWR UP */
 119static struct arcofi_msg ARCOFI_SOP_F = 
 120        {&ARCOFI_XOP_1,0,10,{0xa1,0x1f,0x00,0x50,0x10,0x00,0x00,0x80,0x02,0x12}};
 121static struct arcofi_msg ARCOFI_COP_9 =
 122        {&ARCOFI_SOP_F,0,10,{0xa1,0x29,0x80,0xcb,0xe9,0x88,0x00,0xc8,0xd8,0x80}}; /* RX */
 123static struct arcofi_msg ARCOFI_COP_8 =
 124        {&ARCOFI_COP_9,0,10,{0xa1,0x28,0x49,0x31,0x8,0x13,0x6e,0x88,0x2a,0x61}}; /* TX */
 125static struct arcofi_msg ARCOFI_COP_7 =
 126        {&ARCOFI_COP_8,0,4,{0xa1,0x27,0x80,0x80,0,0,0,0,0,0}}; /* GZ */
 127static struct arcofi_msg ARCOFI_COP_6 =
 128        {&ARCOFI_COP_7,0,6,{0xa1,0x26,0,0,0x82,0x7c,0,0,0,0}}; /* GRL GRH */
 129static struct arcofi_msg ARCOFI_COP_5 =
 130        {&ARCOFI_COP_6,0,4,{0xa1,0x25,0xbb,0x4a,0,0,0,0,0,0}}; /* GTX */
 131static struct arcofi_msg ARCOFI_VERSION =
 132        {NULL,1,2,{0xa0,0,0,0,0,0,0,0,0,0}};
 133static struct arcofi_msg ARCOFI_XOP_0 =
 134        {NULL,0,2,{0xa1,0x30,0,0,0,0,0,0,0,0}}; /* PWR Down */
 135
 136static void set_arcofi(struct IsdnCardState *cs, int bc);
 137
 138#include "elsa_ser.c"
 139#endif /* ARCOFI_USE */
 140
 141static inline u_char
 142readreg(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
 151static inline void
 152readfifo(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
 159static inline void
 160writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
 161{
 162        byteout(ale, off);
 163        byteout(adr, data);
 164}
 165
 166static inline void
 167writefifo(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
 175static u_char
 176ReadISAC(struct IsdnCardState *cs, u_char offset)
 177{
 178        return (readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset));
 179}
 180
 181static void
 182WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
 183{
 184        writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset, value);
 185}
 186
 187static void
 188ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size)
 189{
 190        readfifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0, data, size);
 191}
 192
 193static void
 194WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size)
 195{
 196        writefifo(cs->hw.elsa.ale, cs->hw.elsa.isac, 0, data, size);
 197}
 198
 199static u_char
 200ReadISAC_IPAC(struct IsdnCardState *cs, u_char offset)
 201{
 202        return (readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, offset+0x80));
 203}
 204
 205static void
 206WriteISAC_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
 211static void
 212ReadISACfifo_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
 217static void
 218WriteISACfifo_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
 223static u_char
 224ReadHSCX(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
 230static void
 231WriteHSCX(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
 237static inline u_char
 238readitac(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
 247static inline void
 248writeitac(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
 254static inline int
 255TimerRun(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
 283static irqreturn_t
 284elsa_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
 362static irqreturn_t
 363elsa_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);
 388Start_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
 425static void
 426release_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
 463static void
 464reset_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
 508static void
 509set_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);
 513}
 514
 515static int
 516check_arcofi(struct IsdnCardState *cs)
 517{
 518        int arcofi_present = 0;
 519        char tmp[40];
 520        char *t;
 521        u_char *p;
 522
 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!");
 527                        return(0);
 528                }
 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;
 535                        t = tmp;
 536                        t += sprintf(tmp, "Arcofi data");
 537                        QuickHex(t, p, cs->dc.isac.mon_rxp);
 538                        debugl1(cs, tmp);
 539                        if ((cs->dc.isac.mon_rxp == 2) && (cs->dc.isac.mon_rx[0] == 0xa0)) {
 540                                switch(cs->dc.isac.mon_rx[1]) {
 541                                        case 0x80:
 542                                                debugl1(cs, "Arcofi 2160 detected");
 543                                                arcofi_present = 1;
 544                                                break;
 545                                        case 0x82:
 546                                                debugl1(cs, "Arcofi 2165 detected");
 547                                                arcofi_present = 2;
 548                                                break;
 549                                        case 0x84:
 550                                                debugl1(cs, "Arcofi 2163 detected");
 551                                                arcofi_present = 3;
 552                                                break;
 553                                        default:
 554                                                debugl1(cs, "unknown Arcofi response");
 555                                                break;
 556                                }
 557                        } else
 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");
 562        }
 563        if (arcofi_present) {
 564                if (cs->subtyp==ELSA_QS1000) {
 565                        cs->subtyp = ELSA_QS3000;
 566                        printk(KERN_INFO
 567                                "Elsa: %s detected modem at 0x%lx\n",
 568                                Elsa_Types[cs->subtyp],
 569                                cs->hw.elsa.base+8);
 570                        release_region(cs->hw.elsa.base, 8);
 571                        if (!request_region(cs->hw.elsa.base, 16, "elsa isdn modem")) {
 572                                printk(KERN_WARNING
 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);
 577                        }
 578                } else if (cs->subtyp==ELSA_PCC16) {
 579                        cs->subtyp = ELSA_PCF;
 580                        printk(KERN_INFO
 581                                "Elsa: %s detected modem at 0x%lx\n",
 582                                Elsa_Types[cs->subtyp],
 583                                cs->hw.elsa.base+8);
 584                        release_region(cs->hw.elsa.base, 8);
 585                        if (!request_region(cs->hw.elsa.base, 16, "elsa isdn modem")) {
 586                                printk(KERN_WARNING
 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);
 591                        }
 592                } else
 593                        printk(KERN_INFO
 594                                "Elsa: %s detected modem at 0x%lx\n",
 595                                Elsa_Types[cs->subtyp],
 596                                cs->hw.elsa.base+8);
 597                arcofi_fsm(cs, ARCOFI_START, &ARCOFI_XOP_0);
 598                interruptible_sleep_on(&cs->dc.isac.arcofi_wait);
 599                return(1);
 600        }
 601        return(0);
 602}
 603#endif /* ARCOFI_USE */
 604
 605static void
 606elsa_led_handler(struct IsdnCardState *cs)
 607{
 608        int blink = 0;
 609
 610        if (cs->subtyp == ELSA_PCMCIA || cs->subtyp == ELSA_PCMCIA_IPAC)
 611                return;
 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;
 617        else {
 618                cs->hw.elsa.ctrl_reg ^= ELSA_STAT_LED;
 619                blink = 250;
 620        }
 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;
 625                blink = 500;
 626        } else
 627                cs->hw.elsa.ctrl_reg &= ~ELSA_LINE_LED;
 628
 629        if ((cs->subtyp == ELSA_QS1000PCI) ||
 630                (cs->subtyp == ELSA_QS3000PCI)) {
 631                u_char led = 0xff;
 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);
 637        } else
 638                byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
 639        if (blink) {
 640                init_timer(&cs->hw.elsa.tl);
 641                cs->hw.elsa.tl.expires = jiffies + ((blink * HZ) / 1000);
 642                add_timer(&cs->hw.elsa.tl);
 643        }
 644}
 645
 646static int
 647Elsa_card_msg(struct IsdnCardState *cs, int mt, void *arg)
 648{
 649        int ret = 0;
 650        u_long flags;
 651
 652        switch (mt) {
 653                case CARD_RESET:
 654                        spin_lock_irqsave(&cs->lock, flags);
 655                        reset_elsa(cs);
 656                        spin_unlock_irqrestore(&cs->lock, flags);
 657                        return(0);
 658                case CARD_RELEASE:
 659                        release_io_elsa(cs);
 660                        return(0);
 661                case CARD_INIT:
 662                        spin_lock_irqsave(&cs->lock, flags);
 663                        cs->debug |= L1_DEB_IPAC;
 664                        reset_elsa(cs);
 665                        inithscxisac(cs, 1);
 666                        if ((cs->subtyp == ELSA_QS1000) ||
 667                            (cs->subtyp == ELSA_QS3000))
 668                        {
 669                                byteout(cs->hw.elsa.timer, 0);
 670                        }
 671                        if (cs->hw.elsa.trig)
 672                                byteout(cs->hw.elsa.trig, 0xff);
 673                        inithscxisac(cs, 2);
 674                        spin_unlock_irqrestore(&cs->lock, flags);
 675                        return(0);
 676                case CARD_TEST:
 677                        if ((cs->subtyp == ELSA_PCMCIA) ||
 678                                (cs->subtyp == ELSA_PCMCIA_IPAC) ||
 679                                (cs->subtyp == ELSA_QS1000PCI)) {
 680                                return(0);
 681                        } else if (cs->subtyp == ELSA_QS3000PCI) {
 682                                ret = 0;
 683                        } else {
 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);
 691                                msleep(110);
 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");
 702                                        ret = 0;
 703                                } else {
 704                                        printk(KERN_WARNING
 705                                               "Elsa: timer tic problem (%d/12) maybe an IRQ(%d) conflict\n",
 706                                               cs->hw.elsa.counter, cs->irq);
 707                                        ret = 1;
 708                                }
 709                        }
 710#if ARCOFI_USE
 711                        if (check_arcofi(cs)) {
 712                                init_modem(cs);
 713                        }
 714#endif
 715                        elsa_led_handler(cs);
 716                        return(ret);
 717                case (MDL_REMOVE | REQUEST):
 718                        cs->hw.elsa.status &= 0;
 719                        break;
 720                case (MDL_ASSIGN | REQUEST):
 721                        cs->hw.elsa.status |= ELSA_ASSIGN;
 722                        break;
 723                case MDL_INFO_SETUP:
 724                        if ((long) arg)
 725                                cs->hw.elsa.status |= 0x0200;
 726                        else
 727                                cs->hw.elsa.status |= 0x0100;
 728                        break;
 729                case MDL_INFO_CONN:
 730                        if ((long) arg)
 731                                cs->hw.elsa.status |= 0x2000;
 732                        else
 733                                cs->hw.elsa.status |= 0x1000;
 734                        break;
 735                case MDL_INFO_REL:
 736                        if ((long) arg) {
 737                                cs->hw.elsa.status &= ~0x2000;
 738                                cs->hw.elsa.status &= ~0x0200;
 739                        } else {
 740                                cs->hw.elsa.status &= ~0x1000;
 741                                cs->hw.elsa.status &= ~0x0100;
 742                        }
 743                        break;
 744#if ARCOFI_USE
 745                case CARD_AUX_IND:
 746                        if (cs->hw.elsa.MFlag) {
 747                                int len;
 748                                u_char *msg;
 749
 750                                if (!arg)
 751                                        return(0);
 752                                msg = arg;
 753                                len = *msg;
 754                                msg++;
 755                                modem_write_cmd(cs, msg, len);
 756                        }
 757                        break;
 758#endif
 759        }
 760        if (cs->typ == ISDN_CTYPE_ELSA) {
 761                int pwr = bytein(cs->hw.elsa.ale);
 762                if (pwr & 0x08)
 763                        cs->hw.elsa.status |= ELSA_BAD_PWR;
 764                else
 765                        cs->hw.elsa.status &= ~ELSA_BAD_PWR;
 766        }
 767        elsa_led_handler(cs);
 768        return(ret);
 769}
 770
 771static unsigned char
 772probe_elsa_adr(unsigned int adr, int typ)
 773{
 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;
 776
 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);
 783                } else {
 784                        printk(KERN_WARNING
 785                               "Elsa: Probing Port 0x%x: already in use\n", adr);
 786                        return (0);
 787                }
 788        }
 789        for (i = 0; i < 16; i++) {
 790                in1 = inb(adr + ELSA_CONFIG);   /* 'toggelt' bei */
 791                in2 = inb(adr + ELSA_CONFIG);   /* jedem Zugriff */
 792                p16_1 += 0x04 & in1;
 793                p16_2 += 0x04 & in2;
 794                p8_1 += 0x02 & in1;
 795                p8_2 += 0x02 & in2;
 796                pc_1 += 0x01 & in1;
 797                pc_2 += 0x01 & in2;
 798                pfp_1 += 0x40 & in1;
 799                pfp_2 += 0x40 & in2;
 800        }
 801        printk(KERN_INFO "Elsa: Probing IO 0x%x", adr);
 802        if (65 == ++p16_1 * ++p16_2) {
 803                printk(" PCC-16/PCF found\n");
 804                return (ELSA_PCC16);
 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");
 810                return (ELSA_PCC8);
 811        } else if (17 == ++pc_1 * ++pc_2) {
 812                printk(" PC found\n");
 813                return (ELSA_PC);
 814        } else {
 815                printk(" failed\n");
 816                return (0);
 817        }
 818}
 819
 820static unsigned int
 821probe_elsa(struct IsdnCardState *cs)
 822{
 823        int i;
 824        unsigned int CARD_portlist[] =
 825        {0x160, 0x170, 0x260, 0x360, 0};
 826
 827        for (i = 0; CARD_portlist[i]; i++) {
 828                if ((cs->subtyp = probe_elsa_adr(CARD_portlist[i], cs->typ)))
 829                        break;
 830        }
 831        return (CARD_portlist[i]);
 832}
 833
 834static int __devinit
 835setup_elsa_isa(struct IsdnCard *card)
 836{
 837        struct IsdnCardState *cs = card->cs;
 838        u_char val;
 839
 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,
 844                                                  cs->typ))) {
 845                        printk(KERN_WARNING
 846                               "Elsa: no Elsa Microlink at %#lx\n",
 847                               cs->hw.elsa.base);
 848                        return (0);
 849                }
 850        } else
 851                cs->hw.elsa.base = probe_elsa(cs);
 852
 853        if (!cs->hw.elsa.base) {
 854                printk(KERN_WARNING
 855                       "No Elsa Microlink found\n");
 856                return (0);
 857        }
 858
 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];
 876        } else {
 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];
 880        }
 881        val = bytein(cs->hw.elsa.ale) & ELSA_HW_RELEASE;
 882        if (val < 3)
 883                val |= 8;
 884        val += 'A' - 3;
 885        if (val == 'B' || val == 'C')
 886                val ^= 1;
 887        if ((cs->subtyp == ELSA_PCFPRO) && (val == 'G'))
 888                val = 'C';
 889        printk(KERN_INFO
 890               "Elsa: %s found at %#lx Rev.:%c IRQ %d\n",
 891               Elsa_Types[cs->subtyp],
 892               cs->hw.elsa.base,
 893               val, cs->irq);
 894        val = bytein(cs->hw.elsa.ale) & ELSA_S0_POWER_BAD;
 895        if (val) {
 896                printk(KERN_WARNING
 897                   "Elsa: Microlink S0 bus power bad\n");
 898                cs->hw.elsa.status |= ELSA_BAD_PWR;
 899        }
 900
 901        return (1);
 902}
 903
 904#ifdef __ISAPNP__
 905static 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" },
 912        { 0, }
 913};
 914
 915static struct isapnp_device_id *ipid __devinitdata = &elsa_ids[0];
 916static struct pnp_card *pnp_c __devinitdata = NULL;
 917#endif  /* __ISAPNP__ */
 918
 919static int __devinit
 920setup_elsa_isapnp(struct IsdnCard *card)
 921{
 922        struct IsdnCardState *cs = card->cs;
 923
 924#ifdef __ISAPNP__
 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))) {
 930                                pnp_d = NULL;
 931                                if ((pnp_d = pnp_find_dev(pnp_c,
 932                                        ipid->vendor, ipid->function, pnp_d))) {
 933                                        int err;
 934
 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);
 939                                        if (err<0) {
 940                                                printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
 941                                                        __func__, err);
 942                                                return(0);
 943                                        }
 944                                        card->para[1] = pnp_port_start(pnp_d, 0);
 945                                        card->para[0] = pnp_irq(pnp_d, 0);
 946
 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);
 951                                                return(0);
 952                                        }
 953                                        if (ipid->function == ISAPNP_FUNCTION(0x133))
 954                                                cs->subtyp = ELSA_QS1000;
 955                                        else
 956                                                cs->subtyp = ELSA_QS3000;
 957                                        break;
 958                                } else {
 959                                        printk(KERN_ERR "Elsa PnP: PnP error card found, no device\n");
 960                                        return(0);
 961                                }
 962                        }
 963                        ipid++;
 964                        pnp_c=NULL;
 965                } 
 966                if (!ipid->card_vendor) {
 967                        printk(KERN_INFO "Elsa PnP: no ISAPnP card found\n");
 968                        return(0);
 969                }
 970        }
 971#endif  /* __ISAPNP__ */
 972
 973        if (card->para[1] && card->para[0]) { 
 974                cs->hw.elsa.base = card->para[1];
 975                cs->irq = card->para[0];
 976                if (!cs->subtyp)
 977                        cs->subtyp = ELSA_QS1000;
 978        } else {
 979                printk(KERN_ERR "Elsa PnP: no parameter\n");
 980        }
 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;
 988        printk(KERN_INFO
 989               "Elsa: %s defined at %#lx IRQ %d\n",
 990               Elsa_Types[cs->subtyp],
 991               cs->hw.elsa.base,
 992               cs->irq);
 993
 994        return (1);
 995}
 996
 997static void __devinit
 998setup_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
1030static  struct pci_dev *dev_qs1000 __devinitdata = NULL;
1031static  struct pci_dev *dev_qs3000 __devinitdata = NULL;
1032
1033static int __devinit
1034setup_elsa_pci(struct IsdnCard *card)
1035{
1036        struct IsdnCardState *cs = card->cs;
1037
1038        cs->subtyp = 0;
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))
1042                        return(0);
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))
1050                        return(0);
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);
1055        } else {
1056                printk(KERN_WARNING "Elsa: No PCI card found\n");
1057                return(0);
1058        }
1059        if (!cs->irq) {
1060                printk(KERN_WARNING "Elsa: No IRQ for PCI card found\n");
1061                return(0);
1062        }
1063
1064        if (!(cs->hw.elsa.base && cs->hw.elsa.cfg)) {
1065                printk(KERN_WARNING "Elsa: No IO-Adr for PCI card found\n");
1066                return(0);
1067        }
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");
1072        }
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;
1080        printk(KERN_INFO
1081               "Elsa: %s defined at %#lx/0x%x IRQ %d\n",
1082               Elsa_Types[cs->subtyp],
1083               cs->hw.elsa.base,
1084               cs->hw.elsa.cfg,
1085               cs->irq);
1086
1087        return (1);
1088}
1089
1090#else
1091
1092static int __devinit
1093setup_elsa_pci(struct IsdnCard *card)
1094{
1095        return (1);
1096}
1097#endif /* CONFIG_PCI */
1098
1099static int __devinit
1100setup_elsa_common(struct IsdnCard *card)
1101{
1102        struct IsdnCardState *cs = card->cs;
1103        u_char val;
1104        int bytecnt;
1105
1106        switch (cs->subtyp) {
1107                case ELSA_PC:
1108                case ELSA_PCC8:
1109                case ELSA_PCC16:
1110                case ELSA_QS1000:
1111                case ELSA_PCMCIA:
1112                case ELSA_PCMCIA_IPAC:
1113                        bytecnt = 8;
1114                        break;
1115                case ELSA_PCFPRO:
1116                case ELSA_PCF:
1117                case ELSA_QS3000:
1118                case ELSA_QS3000PCI:
1119                        bytecnt = 16;
1120                        break;
1121                case ELSA_QS1000PCI:
1122                        bytecnt = 2;
1123                        break;
1124                default:
1125                        printk(KERN_WARNING
1126                               "Unknown ELSA subtype %d\n", cs->subtyp);
1127                        return (0);
1128        }
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")) {
1133                printk(KERN_WARNING
1134                       "HiSax: ELSA config port %#lx-%#lx already in use\n",
1135                       cs->hw.elsa.base,
1136                       cs->hw.elsa.base + bytecnt);
1137                return (0);
1138        }
1139        if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI)) {
1140                if (!request_region(cs->hw.elsa.cfg, 0x80, "elsa isdn pci")) {
1141                        printk(KERN_WARNING
1142                               "HiSax: ELSA pci port %x-%x already in use\n",
1143                                cs->hw.elsa.cfg,
1144                                cs->hw.elsa.cfg + 0x80);
1145                        release_region(cs->hw.elsa.base, bytecnt);
1146                        return (0);
1147                }
1148        }
1149#if ARCOFI_USE
1150        init_arcofi(cs);
1151#endif
1152        setup_isac(cs);
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);
1156        /* Teste Timer */
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)) {
1163                                printk(KERN_WARNING
1164                                       "Elsa: timer do not start\n");
1165                                release_io_elsa(cs);
1166                                return (0);
1167                        }
1168                }
1169                HZDELAY((HZ/100) + 1);  /* wait >=10 ms */
1170                if (TimerRun(cs)) {
1171                        printk(KERN_WARNING "Elsa: timer do not run down\n");
1172                        release_io_elsa(cs);
1173                        return (0);
1174                }
1175                printk(KERN_INFO "Elsa: timer OK; resetting card\n");
1176        }
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);
1189        } else {
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:")) {
1197                        printk(KERN_WARNING
1198                                "Elsa: wrong HSCX versions check IO address\n");
1199                        release_io_elsa(cs);
1200                        return (0);
1201                }
1202        }
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);
1211        }
1212        return (1);
1213}
1214
1215int __devinit
1216setup_elsa(struct IsdnCard *card)
1217{
1218        int rc;
1219        struct IsdnCardState *cs = card->cs;
1220        char tmp[64];
1221
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;
1227        cs->subtyp = 0;
1228
1229        if (cs->typ == ISDN_CTYPE_ELSA) {
1230                rc = setup_elsa_isa(card);
1231                if (!rc)
1232                        return (0);
1233
1234        } else if (cs->typ == ISDN_CTYPE_ELSA_PNP) {
1235                rc = setup_elsa_isapnp(card);
1236                if (!rc)
1237                        return (0);
1238
1239        } else if (cs->typ == ISDN_CTYPE_ELSA_PCMCIA)
1240                setup_elsa_pcmcia(card);
1241
1242        else if (cs->typ == ISDN_CTYPE_ELSA_PCI) {
1243                rc = setup_elsa_pci(card);
1244                if (!rc)
1245                        return (0);
1246
1247        } else 
1248                return (0);
1249
1250        return setup_elsa_common(card);
1251}
1252