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);
 308Start_HSCX:
 309        if (val) {
 310                hscx_int_main(cs, val);
 311        }
 312        val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_ISTA);
 313Start_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        wait_event_interruptible(cs->dc.isac.arcofi_wait,
 513                                 cs->dc.isac.arcofi_state == ARCOFI_NOP);
 514}
 515
 516static int
 517check_arcofi(struct IsdnCardState *cs)
 518{
 519        int arcofi_present = 0;
 520        char tmp[40];
 521        char *t;
 522        u_char *p;
 523
 524        if (!cs->dc.isac.mon_tx)
 525                if (!(cs->dc.isac.mon_tx = kmalloc(MAX_MON_FRAME, GFP_ATOMIC))) {
 526                        if (cs->debug & L1_DEB_WARN)
 527                                debugl1(cs, "ISAC MON TX out of buffers!");
 528                        return (0);
 529                }
 530        cs->dc.isac.arcofi_bc = 0;
 531        arcofi_fsm(cs, ARCOFI_START, &ARCOFI_VERSION);
 532        wait_event_interruptible(cs->dc.isac.arcofi_wait,
 533                                 cs->dc.isac.arcofi_state == ARCOFI_NOP);
 534        if (!test_and_clear_bit(FLG_ARCOFI_ERROR, &cs->HW_Flags)) {
 535                debugl1(cs, "Arcofi response received %d bytes", cs->dc.isac.mon_rxp);
 536                p = cs->dc.isac.mon_rx;
 537                t = tmp;
 538                t += sprintf(tmp, "Arcofi data");
 539                QuickHex(t, p, cs->dc.isac.mon_rxp);
 540                debugl1(cs, "%s", tmp);
 541                if ((cs->dc.isac.mon_rxp == 2) && (cs->dc.isac.mon_rx[0] == 0xa0)) {
 542                        switch (cs->dc.isac.mon_rx[1]) {
 543                        case 0x80:
 544                                debugl1(cs, "Arcofi 2160 detected");
 545                                arcofi_present = 1;
 546                                break;
 547                        case 0x82:
 548                                debugl1(cs, "Arcofi 2165 detected");
 549                                arcofi_present = 2;
 550                                break;
 551                        case 0x84:
 552                                debugl1(cs, "Arcofi 2163 detected");
 553                                arcofi_present = 3;
 554                                break;
 555                        default:
 556                                debugl1(cs, "unknown Arcofi response");
 557                                break;
 558                        }
 559                } else
 560                        debugl1(cs, "undefined Monitor response");
 561                cs->dc.isac.mon_rxp = 0;
 562        } else if (cs->dc.isac.mon_tx) {
 563                debugl1(cs, "Arcofi not detected");
 564        }
 565        if (arcofi_present) {
 566                if (cs->subtyp == ELSA_QS1000) {
 567                        cs->subtyp = ELSA_QS3000;
 568                        printk(KERN_INFO
 569                               "Elsa: %s detected modem at 0x%lx\n",
 570                               Elsa_Types[cs->subtyp],
 571                               cs->hw.elsa.base + 8);
 572                        release_region(cs->hw.elsa.base, 8);
 573                        if (!request_region(cs->hw.elsa.base, 16, "elsa isdn modem")) {
 574                                printk(KERN_WARNING
 575                                       "HiSax: %s config port %lx-%lx already in use\n",
 576                                       Elsa_Types[cs->subtyp],
 577                                       cs->hw.elsa.base + 8,
 578                                       cs->hw.elsa.base + 16);
 579                        }
 580                } else if (cs->subtyp == ELSA_PCC16) {
 581                        cs->subtyp = ELSA_PCF;
 582                        printk(KERN_INFO
 583                               "Elsa: %s detected modem at 0x%lx\n",
 584                               Elsa_Types[cs->subtyp],
 585                               cs->hw.elsa.base + 8);
 586                        release_region(cs->hw.elsa.base, 8);
 587                        if (!request_region(cs->hw.elsa.base, 16, "elsa isdn modem")) {
 588                                printk(KERN_WARNING
 589                                       "HiSax: %s config port %lx-%lx already in use\n",
 590                                       Elsa_Types[cs->subtyp],
 591                                       cs->hw.elsa.base + 8,
 592                                       cs->hw.elsa.base + 16);
 593                        }
 594                } else
 595                        printk(KERN_INFO
 596                               "Elsa: %s detected modem at 0x%lx\n",
 597                               Elsa_Types[cs->subtyp],
 598                               cs->hw.elsa.base + 8);
 599                arcofi_fsm(cs, ARCOFI_START, &ARCOFI_XOP_0);
 600                wait_event_interruptible(cs->dc.isac.arcofi_wait,
 601                                 cs->dc.isac.arcofi_state == ARCOFI_NOP);
 602                return (1);
 603        }
 604        return (0);
 605}
 606#endif /* ARCOFI_USE */
 607
 608static void
 609elsa_led_handler(struct IsdnCardState *cs)
 610{
 611        int blink = 0;
 612
 613        if (cs->subtyp == ELSA_PCMCIA || cs->subtyp == ELSA_PCMCIA_IPAC)
 614                return;
 615        del_timer(&cs->hw.elsa.tl);
 616        if (cs->hw.elsa.status & ELSA_ASSIGN)
 617                cs->hw.elsa.ctrl_reg |= ELSA_STAT_LED;
 618        else if (cs->hw.elsa.status & ELSA_BAD_PWR)
 619                cs->hw.elsa.ctrl_reg &= ~ELSA_STAT_LED;
 620        else {
 621                cs->hw.elsa.ctrl_reg ^= ELSA_STAT_LED;
 622                blink = 250;
 623        }
 624        if (cs->hw.elsa.status & 0xf000)
 625                cs->hw.elsa.ctrl_reg |= ELSA_LINE_LED;
 626        else if (cs->hw.elsa.status & 0x0f00) {
 627                cs->hw.elsa.ctrl_reg ^= ELSA_LINE_LED;
 628                blink = 500;
 629        } else
 630                cs->hw.elsa.ctrl_reg &= ~ELSA_LINE_LED;
 631
 632        if ((cs->subtyp == ELSA_QS1000PCI) ||
 633            (cs->subtyp == ELSA_QS3000PCI)) {
 634                u_char led = 0xff;
 635                if (cs->hw.elsa.ctrl_reg & ELSA_LINE_LED)
 636                        led ^= ELSA_IPAC_LINE_LED;
 637                if (cs->hw.elsa.ctrl_reg & ELSA_STAT_LED)
 638                        led ^= ELSA_IPAC_STAT_LED;
 639                writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ATX, led);
 640        } else
 641                byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
 642        if (blink) {
 643                init_timer(&cs->hw.elsa.tl);
 644                cs->hw.elsa.tl.expires = jiffies + ((blink * HZ) / 1000);
 645                add_timer(&cs->hw.elsa.tl);
 646        }
 647}
 648
 649static int
 650Elsa_card_msg(struct IsdnCardState *cs, int mt, void *arg)
 651{
 652        int ret = 0;
 653        u_long flags;
 654
 655        switch (mt) {
 656        case CARD_RESET:
 657                spin_lock_irqsave(&cs->lock, flags);
 658                reset_elsa(cs);
 659                spin_unlock_irqrestore(&cs->lock, flags);
 660                return (0);
 661        case CARD_RELEASE:
 662                release_io_elsa(cs);
 663                return (0);
 664        case CARD_INIT:
 665                spin_lock_irqsave(&cs->lock, flags);
 666                cs->debug |= L1_DEB_IPAC;
 667                reset_elsa(cs);
 668                inithscxisac(cs, 1);
 669                if ((cs->subtyp == ELSA_QS1000) ||
 670                    (cs->subtyp == ELSA_QS3000))
 671                {
 672                        byteout(cs->hw.elsa.timer, 0);
 673                }
 674                if (cs->hw.elsa.trig)
 675                        byteout(cs->hw.elsa.trig, 0xff);
 676                inithscxisac(cs, 2);
 677                spin_unlock_irqrestore(&cs->lock, flags);
 678                return (0);
 679        case CARD_TEST:
 680                if ((cs->subtyp == ELSA_PCMCIA) ||
 681                    (cs->subtyp == ELSA_PCMCIA_IPAC) ||
 682                    (cs->subtyp == ELSA_QS1000PCI)) {
 683                        return (0);
 684                } else if (cs->subtyp == ELSA_QS3000PCI) {
 685                        ret = 0;
 686                } else {
 687                        spin_lock_irqsave(&cs->lock, flags);
 688                        cs->hw.elsa.counter = 0;
 689                        cs->hw.elsa.ctrl_reg |= ELSA_ENA_TIMER_INT;
 690                        cs->hw.elsa.status |= ELIRQF_TIMER_AKTIV;
 691                        byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
 692                        byteout(cs->hw.elsa.timer, 0);
 693                        spin_unlock_irqrestore(&cs->lock, flags);
 694                        msleep(110);
 695                        spin_lock_irqsave(&cs->lock, flags);
 696                        cs->hw.elsa.ctrl_reg &= ~ELSA_ENA_TIMER_INT;
 697                        byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
 698                        cs->hw.elsa.status &= ~ELIRQF_TIMER_AKTIV;
 699                        spin_unlock_irqrestore(&cs->lock, flags);
 700                        printk(KERN_INFO "Elsa: %d timer tics in 110 msek\n",
 701                               cs->hw.elsa.counter);
 702                        if ((cs->hw.elsa.counter > 10) &&
 703                            (cs->hw.elsa.counter < 16)) {
 704                                printk(KERN_INFO "Elsa: timer and irq OK\n");
 705                                ret = 0;
 706                        } else {
 707                                printk(KERN_WARNING
 708                                       "Elsa: timer tic problem (%d/12) maybe an IRQ(%d) conflict\n",
 709                                       cs->hw.elsa.counter, cs->irq);
 710                                ret = 1;
 711                        }
 712                }
 713#if ARCOFI_USE
 714                if (check_arcofi(cs)) {
 715                        init_modem(cs);
 716                }
 717#endif
 718                elsa_led_handler(cs);
 719                return (ret);
 720        case (MDL_REMOVE | REQUEST):
 721                cs->hw.elsa.status &= 0;
 722                break;
 723        case (MDL_ASSIGN | REQUEST):
 724                cs->hw.elsa.status |= ELSA_ASSIGN;
 725                break;
 726        case MDL_INFO_SETUP:
 727                if ((long) arg)
 728                        cs->hw.elsa.status |= 0x0200;
 729                else
 730                        cs->hw.elsa.status |= 0x0100;
 731                break;
 732        case MDL_INFO_CONN:
 733                if ((long) arg)
 734                        cs->hw.elsa.status |= 0x2000;
 735                else
 736                        cs->hw.elsa.status |= 0x1000;
 737                break;
 738        case MDL_INFO_REL:
 739                if ((long) arg) {
 740                        cs->hw.elsa.status &= ~0x2000;
 741                        cs->hw.elsa.status &= ~0x0200;
 742                } else {
 743                        cs->hw.elsa.status &= ~0x1000;
 744                        cs->hw.elsa.status &= ~0x0100;
 745                }
 746                break;
 747#if ARCOFI_USE
 748        case CARD_AUX_IND:
 749                if (cs->hw.elsa.MFlag) {
 750                        int len;
 751                        u_char *msg;
 752
 753                        if (!arg)
 754                                return (0);
 755                        msg = arg;
 756                        len = *msg;
 757                        msg++;
 758                        modem_write_cmd(cs, msg, len);
 759                }
 760                break;
 761#endif
 762        }
 763        if (cs->typ == ISDN_CTYPE_ELSA) {
 764                int pwr = bytein(cs->hw.elsa.ale);
 765                if (pwr & 0x08)
 766                        cs->hw.elsa.status |= ELSA_BAD_PWR;
 767                else
 768                        cs->hw.elsa.status &= ~ELSA_BAD_PWR;
 769        }
 770        elsa_led_handler(cs);
 771        return (ret);
 772}
 773
 774static unsigned char
 775probe_elsa_adr(unsigned int adr, int typ)
 776{
 777        int i, in1, in2, p16_1 = 0, p16_2 = 0, p8_1 = 0, p8_2 = 0, pc_1 = 0,
 778                pc_2 = 0, pfp_1 = 0, pfp_2 = 0;
 779
 780        /* In case of the elsa pcmcia card, this region is in use,
 781           reserved for us by the card manager. So we do not check it
 782           here, it would fail. */
 783        if (typ != ISDN_CTYPE_ELSA_PCMCIA) {
 784                if (request_region(adr, 8, "elsa card")) {
 785                        release_region(adr, 8);
 786                } else {
 787                        printk(KERN_WARNING
 788                               "Elsa: Probing Port 0x%x: already in use\n", adr);
 789                        return (0);
 790                }
 791        }
 792        for (i = 0; i < 16; i++) {
 793                in1 = inb(adr + ELSA_CONFIG);   /* 'toggelt' bei */
 794                in2 = inb(adr + ELSA_CONFIG);   /* jedem Zugriff */
 795                p16_1 += 0x04 & in1;
 796                p16_2 += 0x04 & in2;
 797                p8_1 += 0x02 & in1;
 798                p8_2 += 0x02 & in2;
 799                pc_1 += 0x01 & in1;
 800                pc_2 += 0x01 & in2;
 801                pfp_1 += 0x40 & in1;
 802                pfp_2 += 0x40 & in2;
 803        }
 804        printk(KERN_INFO "Elsa: Probing IO 0x%x", adr);
 805        if (65 == ++p16_1 * ++p16_2) {
 806                printk(" PCC-16/PCF found\n");
 807                return (ELSA_PCC16);
 808        } else if (1025 == ++pfp_1 * ++pfp_2) {
 809                printk(" PCF-Pro found\n");
 810                return (ELSA_PCFPRO);
 811        } else if (33 == ++p8_1 * ++p8_2) {
 812                printk(" PCC8 found\n");
 813                return (ELSA_PCC8);
 814        } else if (17 == ++pc_1 * ++pc_2) {
 815                printk(" PC found\n");
 816                return (ELSA_PC);
 817        } else {
 818                printk(" failed\n");
 819                return (0);
 820        }
 821}
 822
 823static unsigned int
 824probe_elsa(struct IsdnCardState *cs)
 825{
 826        int i;
 827        unsigned int CARD_portlist[] =
 828                {0x160, 0x170, 0x260, 0x360, 0};
 829
 830        for (i = 0; CARD_portlist[i]; i++) {
 831                if ((cs->subtyp = probe_elsa_adr(CARD_portlist[i], cs->typ)))
 832                        break;
 833        }
 834        return (CARD_portlist[i]);
 835}
 836
 837static int setup_elsa_isa(struct IsdnCard *card)
 838{
 839        struct IsdnCardState *cs = card->cs;
 840        u_char val;
 841
 842        cs->hw.elsa.base = card->para[0];
 843        printk(KERN_INFO "Elsa: Microlink IO probing\n");
 844        if (cs->hw.elsa.base) {
 845                if (!(cs->subtyp = probe_elsa_adr(cs->hw.elsa.base,
 846                                                  cs->typ))) {
 847                        printk(KERN_WARNING
 848                               "Elsa: no Elsa Microlink at %#lx\n",
 849                               cs->hw.elsa.base);
 850                        return (0);
 851                }
 852        } else
 853                cs->hw.elsa.base = probe_elsa(cs);
 854
 855        if (!cs->hw.elsa.base) {
 856                printk(KERN_WARNING
 857                       "No Elsa Microlink found\n");
 858                return (0);
 859        }
 860
 861        cs->hw.elsa.cfg = cs->hw.elsa.base + ELSA_CONFIG;
 862        cs->hw.elsa.ctrl = cs->hw.elsa.base + ELSA_CONTROL;
 863        cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE;
 864        cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC;
 865        cs->hw.elsa.itac = cs->hw.elsa.base + ELSA_ITAC;
 866        cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
 867        cs->hw.elsa.trig = cs->hw.elsa.base + ELSA_TRIG_IRQ;
 868        cs->hw.elsa.timer = cs->hw.elsa.base + ELSA_START_TIMER;
 869        val = bytein(cs->hw.elsa.cfg);
 870        if (cs->subtyp == ELSA_PC) {
 871                const u_char CARD_IrqTab[8] =
 872                        {7, 3, 5, 9, 0, 0, 0, 0};
 873                cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX_PC) >> 2];
 874        } else if (cs->subtyp == ELSA_PCC8) {
 875                const u_char CARD_IrqTab[8] =
 876                        {7, 3, 5, 9, 0, 0, 0, 0};
 877                cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX_PCC8) >> 4];
 878        } else {
 879                const u_char CARD_IrqTab[8] =
 880                        {15, 10, 15, 3, 11, 5, 11, 9};
 881                cs->irq = CARD_IrqTab[(val & ELSA_IRQ_IDX) >> 3];
 882        }
 883        val = bytein(cs->hw.elsa.ale) & ELSA_HW_RELEASE;
 884        if (val < 3)
 885                val |= 8;
 886        val += 'A' - 3;
 887        if (val == 'B' || val == 'C')
 888                val ^= 1;
 889        if ((cs->subtyp == ELSA_PCFPRO) && (val == 'G'))
 890                val = 'C';
 891        printk(KERN_INFO
 892               "Elsa: %s found at %#lx Rev.:%c IRQ %d\n",
 893               Elsa_Types[cs->subtyp],
 894               cs->hw.elsa.base,
 895               val, cs->irq);
 896        val = bytein(cs->hw.elsa.ale) & ELSA_S0_POWER_BAD;
 897        if (val) {
 898                printk(KERN_WARNING
 899                       "Elsa: Microlink S0 bus power bad\n");
 900                cs->hw.elsa.status |= ELSA_BAD_PWR;
 901        }
 902
 903        return (1);
 904}
 905
 906#ifdef __ISAPNP__
 907static struct isapnp_device_id elsa_ids[] = {
 908        { ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0133),
 909          ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0133),
 910          (unsigned long) "Elsa QS1000" },
 911        { ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0134),
 912          ISAPNP_VENDOR('E', 'L', 'S'), ISAPNP_FUNCTION(0x0134),
 913          (unsigned long) "Elsa QS3000" },
 914        { 0, }
 915};
 916
 917static struct isapnp_device_id *ipid = &elsa_ids[0];
 918static struct pnp_card *pnp_c = NULL;
 919#endif  /* __ISAPNP__ */
 920
 921static int setup_elsa_isapnp(struct IsdnCard *card)
 922{
 923        struct IsdnCardState *cs = card->cs;
 924
 925#ifdef __ISAPNP__
 926        if (!card->para[1] && isapnp_present()) {
 927                struct pnp_dev *pnp_d;
 928                while (ipid->card_vendor) {
 929                        if ((pnp_c = pnp_find_card(ipid->card_vendor,
 930                                                   ipid->card_device, pnp_c))) {
 931                                pnp_d = NULL;
 932                                if ((pnp_d = pnp_find_dev(pnp_c,
 933                                                          ipid->vendor, ipid->function, pnp_d))) {
 934                                        int err;
 935
 936                                        printk(KERN_INFO "HiSax: %s detected\n",
 937                                               (char *)ipid->driver_data);
 938                                        pnp_disable_dev(pnp_d);
 939                                        err = pnp_activate_dev(pnp_d);
 940                                        if (err < 0) {
 941                                                printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
 942                                                       __func__, err);
 943                                                return (0);
 944                                        }
 945                                        card->para[1] = pnp_port_start(pnp_d, 0);
 946                                        card->para[0] = pnp_irq(pnp_d, 0);
 947
 948                                        if (!card->para[0] || !card->para[1]) {
 949                                                printk(KERN_ERR "Elsa PnP:some resources are missing %ld/%lx\n",
 950                                                       card->para[0], card->para[1]);
 951                                                pnp_disable_dev(pnp_d);
 952                                                return (0);
 953                                        }
 954                                        if (ipid->function == ISAPNP_FUNCTION(0x133))
 955                                                cs->subtyp = ELSA_QS1000;
 956                                        else
 957                                                cs->subtyp = ELSA_QS3000;
 958                                        break;
 959                                } else {
 960                                        printk(KERN_ERR "Elsa PnP: PnP error card found, no device\n");
 961                                        return (0);
 962                                }
 963                        }
 964                        ipid++;
 965                        pnp_c = NULL;
 966                }
 967                if (!ipid->card_vendor) {
 968                        printk(KERN_INFO "Elsa PnP: no ISAPnP card found\n");
 969                        return (0);
 970                }
 971        }
 972#endif  /* __ISAPNP__ */
 973
 974        if (card->para[1] && card->para[0]) {
 975                cs->hw.elsa.base = card->para[1];
 976                cs->irq = card->para[0];
 977                if (!cs->subtyp)
 978                        cs->subtyp = ELSA_QS1000;
 979        } else {
 980                printk(KERN_ERR "Elsa PnP: no parameter\n");
 981        }
 982        cs->hw.elsa.cfg = cs->hw.elsa.base + ELSA_CONFIG;
 983        cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE;
 984        cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC;
 985        cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
 986        cs->hw.elsa.trig = cs->hw.elsa.base + ELSA_TRIG_IRQ;
 987        cs->hw.elsa.timer = cs->hw.elsa.base + ELSA_START_TIMER;
 988        cs->hw.elsa.ctrl = cs->hw.elsa.base + ELSA_CONTROL;
 989        printk(KERN_INFO
 990               "Elsa: %s defined at %#lx IRQ %d\n",
 991               Elsa_Types[cs->subtyp],
 992               cs->hw.elsa.base,
 993               cs->irq);
 994
 995        return (1);
 996}
 997
 998static void setup_elsa_pcmcia(struct IsdnCard *card)
 999{
1000        struct IsdnCardState *cs = card->cs;

1001        u_char val;
1002
1003        cs->hw.elsa.base = card->para[1];
1004        cs->irq = card->para[0];
1005        val = readreg(cs->hw.elsa.base + 0, cs->hw.elsa.base + 2, IPAC_ID);
1006        if ((val == 1) || (val == 2)) { /* IPAC version 1.1/1.2 */
1007                cs->subtyp = ELSA_PCMCIA_IPAC;
1008                cs->hw.elsa.ale = cs->hw.elsa.base + 0;
1009                cs->hw.elsa.isac = cs->hw.elsa.base + 2;
1010                cs->hw.elsa.hscx = cs->hw.elsa.base + 2;
1011                test_and_set_bit(HW_IPAC, &cs->HW_Flags);
1012        } else {
1013                cs->subtyp = ELSA_PCMCIA;
1014                cs->hw.elsa.ale = cs->hw.elsa.base + ELSA_ALE_PCM;
1015                cs->hw.elsa.isac = cs->hw.elsa.base + ELSA_ISAC_PCM;
1016                cs->hw.elsa.hscx = cs->hw.elsa.base + ELSA_HSCX;
1017        }
1018        cs->hw.elsa.timer = 0;
1019        cs->hw.elsa.trig = 0;
1020        cs->hw.elsa.ctrl = 0;
1021        cs->irq_flags |= IRQF_SHARED;
1022        printk(KERN_INFO
1023               "Elsa: %s defined at %#lx IRQ %d\n",
1024               Elsa_Types[cs->subtyp],
1025               cs->hw.elsa.base,
1026               cs->irq);
1027}
1028
1029#ifdef CONFIG_PCI
1030static  struct pci_dev *dev_qs1000 = NULL;
1031static  struct pci_dev *dev_qs3000 = NULL;
1032
1033static int setup_elsa_pci(struct IsdnCard *card)
1034{
1035        struct IsdnCardState *cs = card->cs;
1036
1037        cs->subtyp = 0;
1038        if ((dev_qs1000 = hisax_find_pci_device(PCI_VENDOR_ID_ELSA,
1039                                                PCI_DEVICE_ID_ELSA_MICROLINK, dev_qs1000))) {
1040                if (pci_enable_device(dev_qs1000))
1041                        return (0);
1042                cs->subtyp = ELSA_QS1000PCI;
1043                cs->irq = dev_qs1000->irq;
1044                cs->hw.elsa.cfg = pci_resource_start(dev_qs1000, 1);
1045                cs->hw.elsa.base = pci_resource_start(dev_qs1000, 3);
1046        } else if ((dev_qs3000 = hisax_find_pci_device(PCI_VENDOR_ID_ELSA,
1047                                                       PCI_DEVICE_ID_ELSA_QS3000, dev_qs3000))) {
1048                if (pci_enable_device(dev_qs3000))
1049                        return (0);
1050                cs->subtyp = ELSA_QS3000PCI;
1051                cs->irq = dev_qs3000->irq;
1052                cs->hw.elsa.cfg = pci_resource_start(dev_qs3000, 1);
1053                cs->hw.elsa.base = pci_resource_start(dev_qs3000, 3);
1054        } else {
1055                printk(KERN_WARNING "Elsa: No PCI card found\n");
1056                return (0);
1057        }
1058        if (!cs->irq) {
1059                printk(KERN_WARNING "Elsa: No IRQ for PCI card found\n");
1060                return (0);
1061        }
1062
1063        if (!(cs->hw.elsa.base && cs->hw.elsa.cfg)) {
1064                printk(KERN_WARNING "Elsa: No IO-Adr for PCI card found\n");
1065                return (0);
1066        }
1067        if ((cs->hw.elsa.cfg & 0xff) || (cs->hw.elsa.base & 0xf)) {
1068                printk(KERN_WARNING "Elsa: You may have a wrong PCI bios\n");
1069                printk(KERN_WARNING "Elsa: If your system hangs now, read\n");
1070                printk(KERN_WARNING "Elsa: Documentation/isdn/README.HiSax\n");
1071        }
1072        cs->hw.elsa.ale  = cs->hw.elsa.base;
1073        cs->hw.elsa.isac = cs->hw.elsa.base + 1;
1074        cs->hw.elsa.hscx = cs->hw.elsa.base + 1;
1075        test_and_set_bit(HW_IPAC, &cs->HW_Flags);
1076        cs->hw.elsa.timer = 0;
1077        cs->hw.elsa.trig  = 0;
1078        cs->irq_flags |= IRQF_SHARED;
1079        printk(KERN_INFO
1080               "Elsa: %s defined at %#lx/0x%x IRQ %d\n",
1081               Elsa_Types[cs->subtyp],
1082               cs->hw.elsa.base,
1083               cs->hw.elsa.cfg,
1084               cs->irq);
1085
1086        return (1);
1087}
1088
1089#else
1090
1091static int setup_elsa_pci(struct IsdnCard *card)
1092{
1093        return (1);
1094}
1095#endif /* CONFIG_PCI */
1096
1097static int setup_elsa_common(struct IsdnCard *card)
1098{
1099        struct IsdnCardState *cs = card->cs;
1100        u_char val;
1101        int bytecnt;
1102
1103        switch (cs->subtyp) {
1104        case ELSA_PC:
1105        case ELSA_PCC8:
1106        case ELSA_PCC16:
1107        case ELSA_QS1000:
1108        case ELSA_PCMCIA:
1109        case ELSA_PCMCIA_IPAC:
1110                bytecnt = 8;
1111                break;
1112        case ELSA_PCFPRO:
1113        case ELSA_PCF:
1114        case ELSA_QS3000:
1115        case ELSA_QS3000PCI:
1116                bytecnt = 16;
1117                break;
1118        case ELSA_QS1000PCI:
1119                bytecnt = 2;
1120                break;
1121        default:
1122                printk(KERN_WARNING
1123                       "Unknown ELSA subtype %d\n", cs->subtyp);
1124                return (0);
1125        }
1126        /* In case of the elsa pcmcia card, this region is in use,
1127           reserved for us by the card manager. So we do not check it
1128           here, it would fail. */
1129        if (cs->typ != ISDN_CTYPE_ELSA_PCMCIA && !request_region(cs->hw.elsa.base, bytecnt, "elsa isdn")) {
1130                printk(KERN_WARNING
1131                       "HiSax: ELSA config port %#lx-%#lx already in use\n",
1132                       cs->hw.elsa.base,
1133                       cs->hw.elsa.base + bytecnt);
1134                return (0);
1135        }
1136        if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI)) {
1137                if (!request_region(cs->hw.elsa.cfg, 0x80, "elsa isdn pci")) {
1138                        printk(KERN_WARNING
1139                               "HiSax: ELSA pci port %x-%x already in use\n",
1140                               cs->hw.elsa.cfg,
1141                               cs->hw.elsa.cfg + 0x80);
1142                        release_region(cs->hw.elsa.base, bytecnt);
1143                        return (0);
1144                }
1145        }
1146#if ARCOFI_USE
1147        init_arcofi(cs);
1148#endif
1149        setup_isac(cs);
1150        cs->hw.elsa.tl.function = (void *) elsa_led_handler;
1151        cs->hw.elsa.tl.data = (long) cs;
1152        init_timer(&cs->hw.elsa.tl);
1153        /* Teste Timer */
1154        if (cs->hw.elsa.timer) {
1155                byteout(cs->hw.elsa.trig, 0xff);
1156                byteout(cs->hw.elsa.timer, 0);
1157                if (!TimerRun(cs)) {
1158                        byteout(cs->hw.elsa.timer, 0);  /* 2. Versuch */
1159                        if (!TimerRun(cs)) {
1160                                printk(KERN_WARNING
1161                                       "Elsa: timer do not start\n");
1162                                release_io_elsa(cs);
1163                                return (0);
1164                        }
1165                }
1166                HZDELAY((HZ / 100) + 1);        /* wait >=10 ms */
1167                if (TimerRun(cs)) {
1168                        printk(KERN_WARNING "Elsa: timer do not run down\n");
1169                        release_io_elsa(cs);
1170                        return (0);
1171                }
1172                printk(KERN_INFO "Elsa: timer OK; resetting card\n");
1173        }
1174        cs->BC_Read_Reg = &ReadHSCX;
1175        cs->BC_Write_Reg = &WriteHSCX;
1176        cs->BC_Send_Data = &hscx_fill_fifo;
1177        cs->cardmsg = &Elsa_card_msg;
1178        if ((cs->subtyp == ELSA_QS1000PCI) || (cs->subtyp == ELSA_QS3000PCI) || (cs->subtyp == ELSA_PCMCIA_IPAC)) {
1179                cs->readisac = &ReadISAC_IPAC;
1180                cs->writeisac = &WriteISAC_IPAC;
1181                cs->readisacfifo = &ReadISACfifo_IPAC;
1182                cs->writeisacfifo = &WriteISACfifo_IPAC;
1183                cs->irq_func = &elsa_interrupt_ipac;
1184                val = readreg(cs->hw.elsa.ale, cs->hw.elsa.isac, IPAC_ID);
1185                printk(KERN_INFO "Elsa: IPAC version %x\n", val);
1186        } else {
1187                cs->readisac = &ReadISAC;
1188                cs->writeisac = &WriteISAC;
1189                cs->readisacfifo = &ReadISACfifo;
1190                cs->writeisacfifo = &WriteISACfifo;
1191                cs->irq_func = &elsa_interrupt;
1192                ISACVersion(cs, "Elsa:");
1193                if (HscxVersion(cs, "Elsa:")) {
1194                        printk(KERN_WARNING
1195                               "Elsa: wrong HSCX versions check IO address\n");
1196                        release_io_elsa(cs);
1197                        return (0);
1198                }
1199        }
1200        if (cs->subtyp == ELSA_PC) {
1201                val = readitac(cs, ITAC_SYS);
1202                printk(KERN_INFO "Elsa: ITAC version %s\n", ITACVer[val & 7]);
1203                writeitac(cs, ITAC_ISEN, 0);
1204                writeitac(cs, ITAC_RFIE, 0);
1205                writeitac(cs, ITAC_XFIE, 0);
1206                writeitac(cs, ITAC_SCIE, 0);
1207                writeitac(cs, ITAC_STIE, 0);
1208        }
1209        return (1);
1210}
1211
1212int setup_elsa(struct IsdnCard *card)
1213{
1214        int rc;
1215        struct IsdnCardState *cs = card->cs;
1216        char tmp[64];
1217
1218        strcpy(tmp, Elsa_revision);
1219        printk(KERN_INFO "HiSax: Elsa driver Rev. %s\n", HiSax_getrev(tmp));
1220        cs->hw.elsa.ctrl_reg = 0;
1221        cs->hw.elsa.status = 0;
1222        cs->hw.elsa.MFlag = 0;
1223        cs->subtyp = 0;
1224
1225        if (cs->typ == ISDN_CTYPE_ELSA) {
1226                rc = setup_elsa_isa(card);
1227                if (!rc)
1228                        return (0);
1229
1230        } else if (cs->typ == ISDN_CTYPE_ELSA_PNP) {
1231                rc = setup_elsa_isapnp(card);
1232                if (!rc)
1233                        return (0);
1234
1235        } else if (cs->typ == ISDN_CTYPE_ELSA_PCMCIA)
1236                setup_elsa_pcmcia(card);
1237
1238        else if (cs->typ == ISDN_CTYPE_ELSA_PCI) {
1239                rc = setup_elsa_pci(card);
1240                if (!rc)
1241                        return (0);
1242
1243        } else
1244                return (0);
1245
1246        return setup_elsa_common(card);
1247}
1248