sound/isa/msnd/msnd_pinnacle.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*********************************************************************
   3  *
   4  * Linux multisound pinnacle/fiji driver for ALSA.
   5  *
   6  * 2002/06/30 Karsten Wiese:
   7  *      for now this is only used to build a pinnacle / fiji driver.
   8  *      the OSS parent of this code is designed to also support
   9  *      the multisound classic via the file msnd_classic.c.
  10  *      to make it easier for some brave heart to implemt classic
  11  *      support in alsa, i left all the MSND_CLASSIC tokens in this file.
  12  *      but for now this untested & undone.
  13  *
  14  * ripped from linux kernel 2.4.18 by Karsten Wiese.
  15  *
  16  * the following is a copy of the 2.4.18 OSS FREE file-heading comment:
  17  *
  18  * Turtle Beach MultiSound Sound Card Driver for Linux
  19  * msnd_pinnacle.c / msnd_classic.c
  20  *
  21  * -- If MSND_CLASSIC is defined:
  22  *
  23  *     -> driver for Turtle Beach Classic/Monterey/Tahiti
  24  *
  25  * -- Else
  26  *
  27  *     -> driver for Turtle Beach Pinnacle/Fiji
  28  *
  29  * 12-3-2000  Modified IO port validation  Steve Sycamore
  30  *
  31  * Copyright (C) 1998 Andrew Veliath
  32  *
  33  ********************************************************************/
  34
  35 #include <linux/kernel.h>
  36 #include <linux/module.h>
  37 #include <linux/interrupt.h>
  38 #include <linux/types.h>
  39 #include <linux/delay.h>
  40 #include <linux/ioport.h>
  41 #include <linux/firmware.h>
  42 #include <linux/isa.h>
  43 #include <linux/isapnp.h>
  44 #include <linux/irq.h>
  45 #include <linux/io.h>
  46
  47 #include <sound/core.h>
  48 #include <sound/initval.h>
  49 #include <sound/asound.h>
  50 #include <sound/pcm.h>
  51 #include <sound/mpu401.h>
  52
  53 #ifdef MSND_CLASSIC
  54 # ifndef __alpha__
  55 #  define SLOWIO
  56 # endif
  57 #endif
  58 #include "msnd.h"
  59 #ifdef MSND_CLASSIC
  60 #  include "msnd_classic.h"
  61 #  define LOGNAME                       "msnd_classic"
  62 #  define DEV_NAME                      "msnd-classic"
  63 #else
  64 #  include "msnd_pinnacle.h"
  65 #  define LOGNAME                       "snd_msnd_pinnacle"
  66 #  define DEV_NAME                      "msnd-pinnacle"
  67 #endif
  68
  69 static void set_default_audio_parameters(struct snd_msnd *chip)
  70 {
  71         chip->play_sample_size = snd_pcm_format_width(DEFSAMPLESIZE);
  72         chip->play_sample_rate = DEFSAMPLERATE;
  73         chip->play_channels = DEFCHANNELS;
  74         chip->capture_sample_size = snd_pcm_format_width(DEFSAMPLESIZE);
  75         chip->capture_sample_rate = DEFSAMPLERATE;
  76         chip->capture_channels = DEFCHANNELS;
  77 }
  78
  79 static void snd_msnd_eval_dsp_msg(struct snd_msnd *chip, u16 wMessage)
  80 {
  81         switch (HIBYTE(wMessage)) {
  82         case HIMT_PLAY_DONE: {
  83                 if (chip->banksPlayed < 3)
  84                         snd_printdd("%08X: HIMT_PLAY_DONE: %i\n",
  85                                 (unsigned)jiffies, LOBYTE(wMessage));
  86
  87                 if (chip->last_playbank == LOBYTE(wMessage)) {
  88                         snd_printdd("chip.last_playbank == LOBYTE(wMessage)\n");
  89                         break;
  90                 }
  91                 chip->banksPlayed++;
  92
  93                 if (test_bit(F_WRITING, &chip->flags))
  94                         snd_msnd_DAPQ(chip, 0);
  95
  96                 chip->last_playbank = LOBYTE(wMessage);
  97                 chip->playDMAPos += chip->play_period_bytes;
  98                 if (chip->playDMAPos > chip->playLimit)
  99                         chip->playDMAPos = 0;
 100                 snd_pcm_period_elapsed(chip->playback_substream);
 101
 102                 break;
 103         }
 104         case HIMT_RECORD_DONE:
 105                 if (chip->last_recbank == LOBYTE(wMessage))
 106                         break;
 107                 chip->last_recbank = LOBYTE(wMessage);
 108                 chip->captureDMAPos += chip->capturePeriodBytes;
 109                 if (chip->captureDMAPos > (chip->captureLimit))
 110                         chip->captureDMAPos = 0;
 111
 112                 if (test_bit(F_READING, &chip->flags))
 113                         snd_msnd_DARQ(chip, chip->last_recbank);
 114
 115                 snd_pcm_period_elapsed(chip->capture_substream);
 116                 break;
 117
 118         case HIMT_DSP:
 119                 switch (LOBYTE(wMessage)) {
 120 #ifndef MSND_CLASSIC
 121                 case HIDSP_PLAY_UNDER:
 122 #endif
 123                 case HIDSP_INT_PLAY_UNDER:
 124                         snd_printd(KERN_WARNING LOGNAME ": Play underflow %i\n",
 125                                 chip->banksPlayed);
 126                         if (chip->banksPlayed > 2)
 127                                 clear_bit(F_WRITING, &chip->flags);
 128                         break;
 129
 130                 case HIDSP_INT_RECORD_OVER:
 131                         snd_printd(KERN_WARNING LOGNAME ": Record overflow\n");
 132                         clear_bit(F_READING, &chip->flags);
 133                         break;
 134
 135                 default:
 136                         snd_printd(KERN_WARNING LOGNAME
 137                                    ": DSP message %d 0x%02x\n",
 138                                    LOBYTE(wMessage), LOBYTE(wMessage));
 139                         break;
 140                 }
 141                 break;
 142
 143         case HIMT_MIDI_IN_UCHAR:
 144                 if (chip->msndmidi_mpu)
 145                         snd_msndmidi_input_read(chip->msndmidi_mpu);
 146                 break;
 147
 148         default:
 149                 snd_printd(KERN_WARNING LOGNAME ": HIMT message %d 0x%02x\n",
 150                            HIBYTE(wMessage), HIBYTE(wMessage));
 151                 break;
 152         }
 153 }
 154
 155 static irqreturn_t snd_msnd_interrupt(int irq, void *dev_id)
 156 {
 157         struct snd_msnd *chip = dev_id;
 158         void __iomem *pwDSPQData = chip->mappedbase + DSPQ_DATA_BUFF;
 159         u16 head, tail, size;
 160
 161         /* Send ack to DSP */
 162         /* inb(chip->io + HP_RXL); */
 163
 164         /* Evaluate queued DSP messages */
 165         head = readw(chip->DSPQ + JQS_wHead);
 166         tail = readw(chip->DSPQ + JQS_wTail);
 167         size = readw(chip->DSPQ + JQS_wSize);
 168         if (head > size || tail > size)
 169                 goto out;
 170         while (head != tail) {
 171                 snd_msnd_eval_dsp_msg(chip, readw(pwDSPQData + 2 * head));
 172                 if (++head > size)
 173                         head = 0;
 174                 writew(head, chip->DSPQ + JQS_wHead);
 175         }
 176  out:
 177         /* Send ack to DSP */
 178         inb(chip->io + HP_RXL);
 179         return IRQ_HANDLED;
 180 }
 181
 182
 183 static int snd_msnd_reset_dsp(long io, unsigned char *info)
 184 {
 185         int timeout = 100;
 186
 187         outb(HPDSPRESET_ON, io + HP_DSPR);
 188         msleep(1);
 189 #ifndef MSND_CLASSIC
 190         if (info)
 191                 *info = inb(io + HP_INFO);
 192 #endif
 193         outb(HPDSPRESET_OFF, io + HP_DSPR);
 194         msleep(1);
 195         while (timeout-- > 0) {
 196                 if (inb(io + HP_CVR) == HP_CVR_DEF)
 197                         return 0;
 198                 msleep(1);
 199         }
 200         snd_printk(KERN_ERR LOGNAME ": Cannot reset DSP\n");
 201
 202         return -EIO;
 203 }
 204
 205 static int snd_msnd_probe(struct snd_card *card)
 206 {
 207         struct snd_msnd *chip = card->private_data;
 208         unsigned char info;
 209 #ifndef MSND_CLASSIC
 210         char *xv, *rev = NULL;
 211         char *pin = "TB Pinnacle", *fiji = "TB Fiji";
 212         char *pinfiji = "TB Pinnacle/Fiji";
 213 #endif
 214
 215         if (!request_region(chip->io, DSP_NUMIO, "probing")) {
 216                 snd_printk(KERN_ERR LOGNAME ": I/O port conflict\n");
 217                 return -ENODEV;
 218         }
 219
 220         if (snd_msnd_reset_dsp(chip->io, &info) < 0) {
 221                 release_region(chip->io, DSP_NUMIO);
 222                 return -ENODEV;
 223         }
 224
 225 #ifdef MSND_CLASSIC
 226         strcpy(card->shortname, "Classic/Tahiti/Monterey");
 227         strcpy(card->longname, "Turtle Beach Multisound");
 228         printk(KERN_INFO LOGNAME ": %s, "
 229                "I/O 0x%lx-0x%lx, IRQ %d, memory mapped to 0x%lX-0x%lX\n",
 230                card->shortname,
 231                chip->io, chip->io + DSP_NUMIO - 1,
 232                chip->irq,
 233                chip->base, chip->base + 0x7fff);
 234 #else
 235         switch (info >> 4) {
 236         case 0xf:
 237                 xv = "<= 1.15";
 238                 break;
 239         case 0x1:
 240                 xv = "1.18/1.2";
 241                 break;
 242         case 0x2:
 243                 xv = "1.3";
 244                 break;
 245         case 0x3:
 246                 xv = "1.4";
 247                 break;
 248         default:
 249                 xv = "unknown";
 250                 break;
 251         }
 252
 253         switch (info & 0x7) {
 254         case 0x0:
 255                 rev = "I";
 256                 strcpy(card->shortname, pin);
 257                 break;
 258         case 0x1:
 259                 rev = "F";
 260                 strcpy(card->shortname, pin);
 261                 break;
 262         case 0x2:
 263                 rev = "G";
 264                 strcpy(card->shortname, pin);
 265                 break;
 266         case 0x3:
 267                 rev = "H";
 268                 strcpy(card->shortname, pin);
 269                 break;
 270         case 0x4:
 271                 rev = "E";
 272                 strcpy(card->shortname, fiji);
 273                 break;
 274         case 0x5:
 275                 rev = "C";
 276                 strcpy(card->shortname, fiji);
 277                 break;
 278         case 0x6:
 279                 rev = "D";
 280                 strcpy(card->shortname, fiji);
 281                 break;
 282         case 0x7:
 283                 rev = "A-B (Fiji) or A-E (Pinnacle)";
 284                 strcpy(card->shortname, pinfiji);
 285                 break;
 286         }
 287         strcpy(card->longname, "Turtle Beach Multisound Pinnacle");
 288         printk(KERN_INFO LOGNAME ": %s revision %s, Xilinx version %s, "
 289                "I/O 0x%lx-0x%lx, IRQ %d, memory mapped to 0x%lX-0x%lX\n",
 290                card->shortname,
 291                rev, xv,
 292                chip->io, chip->io + DSP_NUMIO - 1,
 293                chip->irq,
 294                chip->base, chip->base + 0x7fff);
 295 #endif
 296
 297         release_region(chip->io, DSP_NUMIO);
 298         return 0;
 299 }
 300
 301 static int snd_msnd_init_sma(struct snd_msnd *chip)
 302 {
 303         static int initted;
 304         u16 mastVolLeft, mastVolRight;
 305         unsigned long flags;
 306
 307 #ifdef MSND_CLASSIC
 308         outb(chip->memid, chip->io + HP_MEMM);
 309 #endif
 310         outb(HPBLKSEL_0, chip->io + HP_BLKS);
 311         /* Motorola 56k shared memory base */
 312         chip->SMA = chip->mappedbase + SMA_STRUCT_START;
 313
 314         if (initted) {
 315                 mastVolLeft = readw(chip->SMA + SMA_wCurrMastVolLeft);
 316                 mastVolRight = readw(chip->SMA + SMA_wCurrMastVolRight);
 317         } else
 318                 mastVolLeft = mastVolRight = 0;
 319         memset_io(chip->mappedbase, 0, 0x8000);
 320
 321         /* Critical section: bank 1 access */
 322         spin_lock_irqsave(&chip->lock, flags);
 323         outb(HPBLKSEL_1, chip->io + HP_BLKS);
 324         memset_io(chip->mappedbase, 0, 0x8000);
 325         outb(HPBLKSEL_0, chip->io + HP_BLKS);
 326         spin_unlock_irqrestore(&chip->lock, flags);
 327
 328         /* Digital audio play queue */
 329         chip->DAPQ = chip->mappedbase + DAPQ_OFFSET;
 330         snd_msnd_init_queue(chip->DAPQ, DAPQ_DATA_BUFF, DAPQ_BUFF_SIZE);
 331
 332         /* Digital audio record queue */
 333         chip->DARQ = chip->mappedbase + DARQ_OFFSET;
 334         snd_msnd_init_queue(chip->DARQ, DARQ_DATA_BUFF, DARQ_BUFF_SIZE);
 335
 336         /* MIDI out queue */
 337         chip->MODQ = chip->mappedbase + MODQ_OFFSET;
 338         snd_msnd_init_queue(chip->MODQ, MODQ_DATA_BUFF, MODQ_BUFF_SIZE);
 339
 340         /* MIDI in queue */
 341         chip->MIDQ = chip->mappedbase + MIDQ_OFFSET;
 342         snd_msnd_init_queue(chip->MIDQ, MIDQ_DATA_BUFF, MIDQ_BUFF_SIZE);
 343
 344         /* DSP -> host message queue */
 345         chip->DSPQ = chip->mappedbase + DSPQ_OFFSET;
 346         snd_msnd_init_queue(chip->DSPQ, DSPQ_DATA_BUFF, DSPQ_BUFF_SIZE);
 347
 348         /* Setup some DSP values */
 349 #ifndef MSND_CLASSIC
 350         writew(1, chip->SMA + SMA_wCurrPlayFormat);
 351         writew(chip->play_sample_size, chip->SMA + SMA_wCurrPlaySampleSize);
 352         writew(chip->play_channels, chip->SMA + SMA_wCurrPlayChannels);
 353         writew(chip->play_sample_rate, chip->SMA + SMA_wCurrPlaySampleRate);
 354 #endif
 355         writew(chip->play_sample_rate, chip->SMA + SMA_wCalFreqAtoD);
 356         writew(mastVolLeft, chip->SMA + SMA_wCurrMastVolLeft);
 357         writew(mastVolRight, chip->SMA + SMA_wCurrMastVolRight);
 358 #ifndef MSND_CLASSIC
 359         writel(0x00010000, chip->SMA + SMA_dwCurrPlayPitch);
 360         writel(0x00000001, chip->SMA + SMA_dwCurrPlayRate);
 361 #endif
 362         writew(0x303, chip->SMA + SMA_wCurrInputTagBits);
 363
 364         initted = 1;
 365
 366         return 0;
 367 }
 368
 369
 370 static int upload_dsp_code(struct snd_card *card)
 371 {
 372         struct snd_msnd *chip = card->private_data;
 373         const struct firmware *init_fw = NULL, *perm_fw = NULL;
 374         int err;
 375
 376         outb(HPBLKSEL_0, chip->io + HP_BLKS);
 377
 378         err = request_firmware(&init_fw, INITCODEFILE, card->dev);
 379         if (err < 0) {
 380                 printk(KERN_ERR LOGNAME ": Error loading " INITCODEFILE);
 381                 goto cleanup1;
 382         }
 383         err = request_firmware(&perm_fw, PERMCODEFILE, card->dev);
 384         if (err < 0) {
 385                 printk(KERN_ERR LOGNAME ": Error loading " PERMCODEFILE);
 386                 goto cleanup;
 387         }
 388
 389         memcpy_toio(chip->mappedbase, perm_fw->data, perm_fw->size);
 390         if (snd_msnd_upload_host(chip, init_fw->data, init_fw->size) < 0) {
 391                 printk(KERN_WARNING LOGNAME ": Error uploading to DSP\n");
 392                 err = -ENODEV;
 393                 goto cleanup;
 394         }
 395         printk(KERN_INFO LOGNAME ": DSP firmware uploaded\n");
 396         err = 0;
 397
 398 cleanup:
 399         release_firmware(perm_fw);
 400 cleanup1:
 401         release_firmware(init_fw);
 402         return err;
 403 }
 404
 405 #ifdef MSND_CLASSIC
 406 static void reset_proteus(struct snd_msnd *chip)
 407 {
 408         outb(HPPRORESET_ON, chip->io + HP_PROR);
 409         msleep(TIME_PRO_RESET);
 410         outb(HPPRORESET_OFF, chip->io + HP_PROR);
 411         msleep(TIME_PRO_RESET_DONE);
 412 }
 413 #endif
 414
 415 static int snd_msnd_initialize(struct snd_card *card)
 416 {
 417         struct snd_msnd *chip = card->private_data;
 418         int err, timeout;
 419
 420 #ifdef MSND_CLASSIC
 421         outb(HPWAITSTATE_0, chip->io + HP_WAIT);
 422         outb(HPBITMODE_16, chip->io + HP_BITM);
 423
 424         reset_proteus(chip);
 425 #endif
 426         err = snd_msnd_init_sma(chip);
 427         if (err < 0) {
 428                 printk(KERN_WARNING LOGNAME ": Cannot initialize SMA\n");
 429                 return err;
 430         }
 431
 432         err = snd_msnd_reset_dsp(chip->io, NULL);
 433         if (err < 0)
 434                 return err;
 435
 436         err = upload_dsp_code(card);
 437         if (err < 0) {
 438                 printk(KERN_WARNING LOGNAME ": Cannot upload DSP code\n");
 439                 return err;
 440         }
 441
 442         timeout = 200;
 443
 444         while (readw(chip->mappedbase)) {
 445                 msleep(1);
 446                 if (!timeout--) {
 447                         snd_printd(KERN_ERR LOGNAME ": DSP reset timeout\n");
 448                         return -EIO;
 449                 }
 450         }
 451
 452         snd_msndmix_setup(chip);
 453         return 0;
 454 }
 455
 456 static int snd_msnd_dsp_full_reset(struct snd_card *card)
 457 {
 458         struct snd_msnd *chip = card->private_data;
 459         int rv;
 460
 461         if (test_bit(F_RESETTING, &chip->flags) || ++chip->nresets > 10)
 462                 return 0;
 463
 464         set_bit(F_RESETTING, &chip->flags);
 465         snd_msnd_dsp_halt(chip, NULL);  /* Unconditionally halt */
 466
 467         rv = snd_msnd_initialize(card);
 468         if (rv)
 469                 printk(KERN_WARNING LOGNAME ": DSP reset failed\n");
 470         snd_msndmix_force_recsrc(chip, 0);
 471         clear_bit(F_RESETTING, &chip->flags);
 472         return rv;
 473 }
 474
 475 static int snd_msnd_dev_free(struct snd_device *device)
 476 {
 477         snd_printdd("snd_msnd_chip_free()\n");
 478         return 0;
 479 }
 480
 481 static int snd_msnd_send_dsp_cmd_chk(struct snd_msnd *chip, u8 cmd)
 482 {
 483         if (snd_msnd_send_dsp_cmd(chip, cmd) == 0)
 484                 return 0;
 485         snd_msnd_dsp_full_reset(chip->card);
 486         return snd_msnd_send_dsp_cmd(chip, cmd);
 487 }
 488
 489 static int snd_msnd_calibrate_adc(struct snd_msnd *chip, u16 srate)
 490 {
 491         snd_printdd("snd_msnd_calibrate_adc(%i)\n", srate);
 492         writew(srate, chip->SMA + SMA_wCalFreqAtoD);
 493         if (chip->calibrate_signal == 0)
 494                 writew(readw(chip->SMA + SMA_wCurrHostStatusFlags)
 495                        | 0x0001, chip->SMA + SMA_wCurrHostStatusFlags);
 496         else
 497                 writew(readw(chip->SMA + SMA_wCurrHostStatusFlags)
 498                        & ~0x0001, chip->SMA + SMA_wCurrHostStatusFlags);
 499         if (snd_msnd_send_word(chip, 0, 0, HDEXAR_CAL_A_TO_D) == 0 &&
 500             snd_msnd_send_dsp_cmd_chk(chip, HDEX_AUX_REQ) == 0) {
 501                 schedule_timeout_interruptible(msecs_to_jiffies(333));
 502                 return 0;
 503         }
 504         printk(KERN_WARNING LOGNAME ": ADC calibration failed\n");
 505         return -EIO;
 506 }
 507
 508 /*
 509  * ALSA callback function, called when attempting to open the MIDI device.
 510  */
 511 static int snd_msnd_mpu401_open(struct snd_mpu401 *mpu)
 512 {
 513         snd_msnd_enable_irq(mpu->private_data);
 514         snd_msnd_send_dsp_cmd(mpu->private_data, HDEX_MIDI_IN_START);
 515         return 0;
 516 }
 517
 518 static void snd_msnd_mpu401_close(struct snd_mpu401 *mpu)
 519 {
 520         snd_msnd_send_dsp_cmd(mpu->private_data, HDEX_MIDI_IN_STOP);
 521         snd_msnd_disable_irq(mpu->private_data);
 522 }
 523
 524 static long mpu_io[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
 525 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
 526
 527 static int snd_msnd_attach(struct snd_card *card)
 528 {
 529         struct snd_msnd *chip = card->private_data;
 530         int err;
 531         static const struct snd_device_ops ops = {
 532                 .dev_free =      snd_msnd_dev_free,
 533                 };
 534
 535         err = request_irq(chip->irq, snd_msnd_interrupt, 0, card->shortname,
 536                           chip);
 537         if (err < 0) {
 538                 printk(KERN_ERR LOGNAME ": Couldn't grab IRQ %d\n", chip->irq);
 539                 return err;
 540         }
 541         card->sync_irq = chip->irq;
 542         if (request_region(chip->io, DSP_NUMIO, card->shortname) == NULL) {
 543                 free_irq(chip->irq, chip);
 544                 return -EBUSY;
 545         }
 546
 547         if (!request_mem_region(chip->base, BUFFSIZE, card->shortname)) {
 548                 printk(KERN_ERR LOGNAME
 549                         ": unable to grab memory region 0x%lx-0x%lx\n",
 550                         chip->base, chip->base + BUFFSIZE - 1);
 551                 release_region(chip->io, DSP_NUMIO);
 552                 free_irq(chip->irq, chip);
 553                 return -EBUSY;
 554         }
 555         chip->mappedbase = ioremap(chip->base, 0x8000);
 556         if (!chip->mappedbase) {
 557                 printk(KERN_ERR LOGNAME
 558                         ": unable to map memory region 0x%lx-0x%lx\n",
 559                         chip->base, chip->base + BUFFSIZE - 1);
 560                 err = -EIO;
 561                 goto err_release_region;
 562         }
 563
 564         err = snd_msnd_dsp_full_reset(card);
 565         if (err < 0)
 566                 goto err_release_region;
 567
 568         /* Register device */
 569         err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
 570         if (err < 0)
 571                 goto err_release_region;
 572
 573         err = snd_msnd_pcm(card, 0);
 574         if (err < 0) {
 575                 printk(KERN_ERR LOGNAME ": error creating new PCM device\n");
 576                 goto err_release_region;
 577         }
 578
 579         err = snd_msndmix_new(card);
 580         if (err < 0) {
 581                 printk(KERN_ERR LOGNAME ": error creating new Mixer device\n");
 582                 goto err_release_region;
 583         }
 584
 585
 586         if (mpu_io[0] != SNDRV_AUTO_PORT) {
 587                 struct snd_mpu401 *mpu;
 588
 589                 err = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
 590                                           mpu_io[0],
 591                                           MPU401_MODE_INPUT |
 592                                           MPU401_MODE_OUTPUT,
 593                                           mpu_irq[0],
 594                                           &chip->rmidi);
 595                 if (err < 0) {
 596                         printk(KERN_ERR LOGNAME
 597                                 ": error creating new Midi device\n");
 598                         goto err_release_region;
 599                 }
 600                 mpu = chip->rmidi->private_data;
 601
 602                 mpu->open_input = snd_msnd_mpu401_open;
 603                 mpu->close_input = snd_msnd_mpu401_close;
 604                 mpu->private_data = chip;
 605         }
 606
 607         disable_irq(chip->irq);
 608         snd_msnd_calibrate_adc(chip, chip->play_sample_rate);
 609         snd_msndmix_force_recsrc(chip, 0);
 610
 611         err = snd_card_register(card);
 612         if (err < 0)
 613                 goto err_release_region;
 614
 615         return 0;
 616
 617 err_release_region:
 618         iounmap(chip->mappedbase);
 619         release_mem_region(chip->base, BUFFSIZE);
 620         release_region(chip->io, DSP_NUMIO);
 621         free_irq(chip->irq, chip);
 622         return err;
 623 }
 624
 625
 626 static void snd_msnd_unload(struct snd_card *card)
 627 {
 628         struct snd_msnd *chip = card->private_data;
 629
 630         iounmap(chip->mappedbase);
 631         release_mem_region(chip->base, BUFFSIZE);
 632         release_region(chip->io, DSP_NUMIO);
 633         free_irq(chip->irq, chip);
 634         snd_card_free(card);
 635 }
 636
 637 #ifndef MSND_CLASSIC
 638
 639 /* Pinnacle/Fiji Logical Device Configuration */
 640
 641 static int snd_msnd_write_cfg(int cfg, int reg, int value)
 642 {
 643         outb(reg, cfg);
 644         outb(value, cfg + 1);
 645         if (value != inb(cfg + 1)) {
 646                 printk(KERN_ERR LOGNAME ": snd_msnd_write_cfg: I/O error\n");
 647                 return -EIO;
 648         }
 649         return 0;
 650 }
 651
 652 static int snd_msnd_write_cfg_io0(int cfg, int num, u16 io)
 653 {
 654         if (snd_msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
 655                 return -EIO;
 656         if (snd_msnd_write_cfg(cfg, IREG_IO0_BASEHI, HIBYTE(io)))
 657                 return -EIO;
 658         if (snd_msnd_write_cfg(cfg, IREG_IO0_BASELO, LOBYTE(io)))
 659                 return -EIO;
 660         return 0;
 661 }
 662
 663 static int snd_msnd_write_cfg_io1(int cfg, int num, u16 io)
 664 {
 665         if (snd_msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
 666                 return -EIO;
 667         if (snd_msnd_write_cfg(cfg, IREG_IO1_BASEHI, HIBYTE(io)))
 668                 return -EIO;
 669         if (snd_msnd_write_cfg(cfg, IREG_IO1_BASELO, LOBYTE(io)))
 670                 return -EIO;
 671         return 0;
 672 }
 673
 674 static int snd_msnd_write_cfg_irq(int cfg, int num, u16 irq)
 675 {
 676         if (snd_msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
 677                 return -EIO;
 678         if (snd_msnd_write_cfg(cfg, IREG_IRQ_NUMBER, LOBYTE(irq)))
 679                 return -EIO;
 680         if (snd_msnd_write_cfg(cfg, IREG_IRQ_TYPE, IRQTYPE_EDGE))
 681                 return -EIO;
 682         return 0;
 683 }
 684
 685 static int snd_msnd_write_cfg_mem(int cfg, int num, int mem)
 686 {
 687         u16 wmem;
 688
 689         mem >>= 8;
 690         wmem = (u16)(mem & 0xfff);
 691         if (snd_msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
 692                 return -EIO;
 693         if (snd_msnd_write_cfg(cfg, IREG_MEMBASEHI, HIBYTE(wmem)))
 694                 return -EIO;
 695         if (snd_msnd_write_cfg(cfg, IREG_MEMBASELO, LOBYTE(wmem)))
 696                 return -EIO;
 697         if (wmem && snd_msnd_write_cfg(cfg, IREG_MEMCONTROL,
 698                                        MEMTYPE_HIADDR | MEMTYPE_16BIT))
 699                 return -EIO;
 700         return 0;
 701 }
 702
 703 static int snd_msnd_activate_logical(int cfg, int num)
 704 {
 705         if (snd_msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
 706                 return -EIO;
 707         if (snd_msnd_write_cfg(cfg, IREG_ACTIVATE, LD_ACTIVATE))
 708                 return -EIO;
 709         return 0;
 710 }
 711
 712 static int snd_msnd_write_cfg_logical(int cfg, int num, u16 io0,
 713                                       u16 io1, u16 irq, int mem)
 714 {
 715         if (snd_msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
 716                 return -EIO;
 717         if (snd_msnd_write_cfg_io0(cfg, num, io0))
 718                 return -EIO;
 719         if (snd_msnd_write_cfg_io1(cfg, num, io1))
 720                 return -EIO;
 721         if (snd_msnd_write_cfg_irq(cfg, num, irq))
 722                 return -EIO;
 723         if (snd_msnd_write_cfg_mem(cfg, num, mem))
 724                 return -EIO;
 725         if (snd_msnd_activate_logical(cfg, num))
 726                 return -EIO;
 727         return 0;
 728 }
 729
 730 static int snd_msnd_pinnacle_cfg_reset(int cfg)
 731 {
 732         int i;
 733
 734         /* Reset devices if told to */
 735         printk(KERN_INFO LOGNAME ": Resetting all devices\n");
 736         for (i = 0; i < 4; ++i)
 737                 if (snd_msnd_write_cfg_logical(cfg, i, 0, 0, 0, 0))
 738                         return -EIO;
 739
 740         return 0;
 741 }
 742 #endif
 743
 744 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
 745 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
 746
 747 module_param_array(index, int, NULL, 0444);
 748 MODULE_PARM_DESC(index, "Index value for msnd_pinnacle soundcard.");
 749 module_param_array(id, charp, NULL, 0444);
 750 MODULE_PARM_DESC(id, "ID string for msnd_pinnacle soundcard.");
 751
 752 static long io[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
 753 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
 754 static long mem[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
 755
 756 #ifndef MSND_CLASSIC
 757 static long cfg[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
 758
 759 /* Extra Peripheral Configuration (Default: Disable) */
 760 static long ide_io0[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
 761 static long ide_io1[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
 762 static int ide_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
 763
 764 static long joystick_io[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
 765 /* If we have the digital daugherboard... */
 766 static int digital[SNDRV_CARDS];
 767
 768 /* Extra Peripheral Configuration */
 769 static int reset[SNDRV_CARDS];
 770 #endif
 771
 772 static int write_ndelay[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = 1 };
 773
 774 static int calibrate_signal;
 775
 776 #ifdef CONFIG_PNP
 777 static bool isapnp[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
 778 module_param_array(isapnp, bool, NULL, 0444);
 779 MODULE_PARM_DESC(isapnp, "ISA PnP detection for specified soundcard.");
 780 #define has_isapnp(x) isapnp[x]
 781 #else
 782 #define has_isapnp(x) 0
 783 #endif
 784
 785 MODULE_AUTHOR("Karsten Wiese <annabellesgarden@yahoo.de>");
 786 MODULE_DESCRIPTION("Turtle Beach " LONGNAME " Linux Driver");
 787 MODULE_LICENSE("GPL");
 788 MODULE_FIRMWARE(INITCODEFILE);
 789 MODULE_FIRMWARE(PERMCODEFILE);
 790
 791 module_param_hw_array(io, long, ioport, NULL, 0444);
 792 MODULE_PARM_DESC(io, "IO port #");
 793 module_param_hw_array(irq, int, irq, NULL, 0444);
 794 module_param_hw_array(mem, long, iomem, NULL, 0444);
 795 module_param_array(write_ndelay, int, NULL, 0444);
 796 module_param(calibrate_signal, int, 0444);
 797 #ifndef MSND_CLASSIC
 798 module_param_array(digital, int, NULL, 0444);
 799 module_param_hw_array(cfg, long, ioport, NULL, 0444);
 800 module_param_array(reset, int, NULL, 0444);
 801 module_param_hw_array(mpu_io, long, ioport, NULL, 0444);
 802 module_param_hw_array(mpu_irq, int, irq, NULL, 0444);
 803 module_param_hw_array(ide_io0, long, ioport, NULL, 0444);
 804 module_param_hw_array(ide_io1, long, ioport, NULL, 0444);
 805 module_param_hw_array(ide_irq, int, irq, NULL, 0444);
 806 module_param_hw_array(joystick_io, long, ioport, NULL, 0444);
 807 #endif
 808
 809
 810 static int snd_msnd_isa_match(struct device *pdev, unsigned int i)
 811 {
 812         if (io[i] == SNDRV_AUTO_PORT)
 813                 return 0;
 814
 815         if (irq[i] == SNDRV_AUTO_PORT || mem[i] == SNDRV_AUTO_PORT) {
 816                 printk(KERN_WARNING LOGNAME ": io, irq and mem must be set\n");
 817                 return 0;
 818         }
 819
 820 #ifdef MSND_CLASSIC
 821         if (!(io[i] == 0x290 ||
 822               io[i] == 0x260 ||
 823               io[i] == 0x250 ||
 824               io[i] == 0x240 ||
 825               io[i] == 0x230 ||
 826               io[i] == 0x220 ||
 827               io[i] == 0x210 ||
 828               io[i] == 0x3e0)) {
 829                 printk(KERN_ERR LOGNAME ": \"io\" - DSP I/O base must be set "
 830                         " to 0x210, 0x220, 0x230, 0x240, 0x250, 0x260, 0x290, "
 831                         "or 0x3E0\n");
 832                 return 0;
 833         }
 834 #else
 835         if (io[i] < 0x100 || io[i] > 0x3e0 || (io[i] % 0x10) != 0) {
 836                 printk(KERN_ERR LOGNAME
 837                         ": \"io\" - DSP I/O base must within the range 0x100 "
 838                         "to 0x3E0 and must be evenly divisible by 0x10\n");
 839                 return 0;
 840         }
 841 #endif /* MSND_CLASSIC */
 842
 843         if (!(irq[i] == 5 ||
 844               irq[i] == 7 ||
 845               irq[i] == 9 ||
 846               irq[i] == 10 ||
 847               irq[i] == 11 ||
 848               irq[i] == 12)) {
 849                 printk(KERN_ERR LOGNAME
 850                         ": \"irq\" - must be set to 5, 7, 9, 10, 11 or 12\n");
 851                 return 0;
 852         }
 853
 854         if (!(mem[i] == 0xb0000 ||
 855               mem[i] == 0xc8000 ||
 856               mem[i] == 0xd0000 ||
 857               mem[i] == 0xd8000 ||
 858               mem[i] == 0xe0000 ||
 859               mem[i] == 0xe8000)) {
 860                 printk(KERN_ERR LOGNAME ": \"mem\" - must be set to "
 861                        "0xb0000, 0xc8000, 0xd0000, 0xd8000, 0xe0000 or "
 862                        "0xe8000\n");
 863                 return 0;
 864         }
 865
 866 #ifndef MSND_CLASSIC
 867         if (cfg[i] == SNDRV_AUTO_PORT) {
 868                 printk(KERN_INFO LOGNAME ": Assuming PnP mode\n");
 869         } else if (cfg[i] != 0x250 && cfg[i] != 0x260 && cfg[i] != 0x270) {
 870                 printk(KERN_INFO LOGNAME
 871                         ": Config port must be 0x250, 0x260 or 0x270 "
 872                         "(or unspecified for PnP mode)\n");
 873                 return 0;
 874         }
 875 #endif /* MSND_CLASSIC */
 876
 877         return 1;
 878 }
 879
 880 static int snd_msnd_isa_probe(struct device *pdev, unsigned int idx)
 881 {
 882         int err;
 883         struct snd_card *card;
 884         struct snd_msnd *chip;
 885
 886         if (has_isapnp(idx)
 887 #ifndef MSND_CLASSIC
 888             || cfg[idx] == SNDRV_AUTO_PORT
 889 #endif
 890             ) {
 891                 printk(KERN_INFO LOGNAME ": Assuming PnP mode\n");
 892                 return -ENODEV;
 893         }
 894
 895         err = snd_card_new(pdev, index[idx], id[idx], THIS_MODULE,
 896                            sizeof(struct snd_msnd), &card);
 897         if (err < 0)
 898                 return err;
 899
 900         chip = card->private_data;
 901         chip->card = card;
 902
 903 #ifdef MSND_CLASSIC
 904         switch (irq[idx]) {
 905         case 5:
 906                 chip->irqid = HPIRQ_5; break;
 907         case 7:
 908                 chip->irqid = HPIRQ_7; break;
 909         case 9:
 910                 chip->irqid = HPIRQ_9; break;
 911         case 10:
 912                 chip->irqid = HPIRQ_10; break;
 913         case 11:
 914                 chip->irqid = HPIRQ_11; break;
 915         case 12:
 916                 chip->irqid = HPIRQ_12; break;
 917         }
 918
 919         switch (mem[idx]) {
 920         case 0xb0000:
 921                 chip->memid = HPMEM_B000; break;
 922         case 0xc8000:
 923                 chip->memid = HPMEM_C800; break;
 924         case 0xd0000:
 925                 chip->memid = HPMEM_D000; break;
 926         case 0xd8000:
 927                 chip->memid = HPMEM_D800; break;
 928         case 0xe0000:
 929                 chip->memid = HPMEM_E000; break;
 930         case 0xe8000:
 931                 chip->memid = HPMEM_E800; break;
 932         }
 933 #else
 934         printk(KERN_INFO LOGNAME ": Non-PnP mode: configuring at port 0x%lx\n",
 935                         cfg[idx]);
 936
 937         if (!request_region(cfg[idx], 2, "Pinnacle/Fiji Config")) {
 938                 printk(KERN_ERR LOGNAME ": Config port 0x%lx conflict\n",
 939                            cfg[idx]);
 940                 snd_card_free(card);
 941                 return -EIO;
 942         }
 943         if (reset[idx])
 944                 if (snd_msnd_pinnacle_cfg_reset(cfg[idx])) {
 945                         err = -EIO;
 946                         goto cfg_error;
 947                 }
 948
 949         /* DSP */
 950         err = snd_msnd_write_cfg_logical(cfg[idx], 0,
 951                                          io[idx], 0,
 952                                          irq[idx], mem[idx]);
 953
 954         if (err)
 955                 goto cfg_error;
 956
 957         /* The following are Pinnacle specific */
 958
 959         /* MPU */
 960         if (mpu_io[idx] != SNDRV_AUTO_PORT
 961             && mpu_irq[idx] != SNDRV_AUTO_IRQ) {
 962                 printk(KERN_INFO LOGNAME
 963                        ": Configuring MPU to I/O 0x%lx IRQ %d\n",
 964                        mpu_io[idx], mpu_irq[idx]);
 965                 err = snd_msnd_write_cfg_logical(cfg[idx], 1,
 966                                                  mpu_io[idx], 0,
 967                                                  mpu_irq[idx], 0);
 968
 969                 if (err)
 970                         goto cfg_error;
 971         }
 972
 973         /* IDE */
 974         if (ide_io0[idx] != SNDRV_AUTO_PORT
 975             && ide_io1[idx] != SNDRV_AUTO_PORT
 976             && ide_irq[idx] != SNDRV_AUTO_IRQ) {
 977                 printk(KERN_INFO LOGNAME
 978                        ": Configuring IDE to I/O 0x%lx, 0x%lx IRQ %d\n",
 979                        ide_io0[idx], ide_io1[idx], ide_irq[idx]);
 980                 err = snd_msnd_write_cfg_logical(cfg[idx], 2,
 981                                                  ide_io0[idx], ide_io1[idx],
 982                                                  ide_irq[idx], 0);
 983
 984                 if (err)
 985                         goto cfg_error;
 986         }
 987
 988         /* Joystick */
 989         if (joystick_io[idx] != SNDRV_AUTO_PORT) {
 990                 printk(KERN_INFO LOGNAME
 991                        ": Configuring joystick to I/O 0x%lx\n",
 992                        joystick_io[idx]);
 993                 err = snd_msnd_write_cfg_logical(cfg[idx], 3,
 994                                                  joystick_io[idx], 0,
 995                                                  0, 0);
 996
 997                 if (err)
 998                         goto cfg_error;
 999         }
1000         release_region(cfg[idx], 2);
1001
1002 #endif /* MSND_CLASSIC */
1003
1004         set_default_audio_parameters(chip);
1005 #ifdef MSND_CLASSIC
1006         chip->type = msndClassic;
1007 #else
1008         chip->type = msndPinnacle;
1009 #endif
1010         chip->io = io[idx];
1011         chip->irq = irq[idx];
1012         chip->base = mem[idx];
1013
1014         chip->calibrate_signal = calibrate_signal ? 1 : 0;
1015         chip->recsrc = 0;
1016         chip->dspq_data_buff = DSPQ_DATA_BUFF;
1017         chip->dspq_buff_size = DSPQ_BUFF_SIZE;
1018         if (write_ndelay[idx])
1019                 clear_bit(F_DISABLE_WRITE_NDELAY, &chip->flags);
1020         else
1021                 set_bit(F_DISABLE_WRITE_NDELAY, &chip->flags);
1022 #ifndef MSND_CLASSIC
1023         if (digital[idx])
1024                 set_bit(F_HAVEDIGITAL, &chip->flags);
1025 #endif
1026         spin_lock_init(&chip->lock);
1027         err = snd_msnd_probe(card);
1028         if (err < 0) {
1029                 printk(KERN_ERR LOGNAME ": Probe failed\n");
1030                 snd_card_free(card);
1031                 return err;
1032         }
1033
1034         err = snd_msnd_attach(card);
1035         if (err < 0) {
1036                 printk(KERN_ERR LOGNAME ": Attach failed\n");
1037                 snd_card_free(card);
1038                 return err;
1039         }
1040         dev_set_drvdata(pdev, card);
1041
1042         return 0;
1043
1044 #ifndef MSND_CLASSIC
1045 cfg_error:
1046         release_region(cfg[idx], 2);
1047         snd_card_free(card);
1048         return err;
1049 #endif
1050 }
1051
1052 static void snd_msnd_isa_remove(struct device *pdev, unsigned int dev)
1053 {
1054         snd_msnd_unload(dev_get_drvdata(pdev));
1055 }
1056
1057 static struct isa_driver snd_msnd_driver = {
1058         .match          = snd_msnd_isa_match,
1059         .probe          = snd_msnd_isa_probe,
1060         .remove         = snd_msnd_isa_remove,
1061         /* FIXME: suspend, resume */
1062         .driver         = {
1063                 .name   = DEV_NAME
1064         },
1065 };
1066
1067 #ifdef CONFIG_PNP
1068 static int snd_msnd_pnp_detect(struct pnp_card_link *pcard,
1069                                const struct pnp_card_device_id *pid)
1070 {
1071         static int idx;
1072         struct pnp_dev *pnp_dev;
1073         struct pnp_dev *mpu_dev;
1074         struct snd_card *card;
1075         struct snd_msnd *chip;
1076         int ret;
1077
1078         for ( ; idx < SNDRV_CARDS; idx++) {
1079                 if (has_isapnp(idx))
1080                         break;
1081         }
1082         if (idx >= SNDRV_CARDS)
1083                 return -ENODEV;
1084
1085         /*
1086          * Check that we still have room for another sound card ...
1087          */
1088         pnp_dev = pnp_request_card_device(pcard, pid->devs[0].id, NULL);
1089         if (!pnp_dev)
1090                 return -ENODEV;
1091
1092         mpu_dev = pnp_request_card_device(pcard, pid->devs[1].id, NULL);
1093         if (!mpu_dev)
1094                 return -ENODEV;
1095
1096         if (!pnp_is_active(pnp_dev) && pnp_activate_dev(pnp_dev) < 0) {
1097                 printk(KERN_INFO "msnd_pinnacle: device is inactive\n");
1098                 return -EBUSY;
1099         }
1100
1101         if (!pnp_is_active(mpu_dev) && pnp_activate_dev(mpu_dev) < 0) {
1102                 printk(KERN_INFO "msnd_pinnacle: MPU device is inactive\n");
1103                 return -EBUSY;
1104         }
1105
1106         /*
1107          * Create a new ALSA sound card entry, in anticipation
1108          * of detecting our hardware ...
1109          */
1110         ret = snd_card_new(&pcard->card->dev,
1111                            index[idx], id[idx], THIS_MODULE,
1112                            sizeof(struct snd_msnd), &card);
1113         if (ret < 0)
1114                 return ret;
1115
1116         chip = card->private_data;
1117         chip->card = card;
1118
1119         /*
1120          * Read the correct parameters off the ISA PnP bus ...
1121          */
1122         io[idx] = pnp_port_start(pnp_dev, 0);
1123         irq[idx] = pnp_irq(pnp_dev, 0);
1124         mem[idx] = pnp_mem_start(pnp_dev, 0);
1125         mpu_io[idx] = pnp_port_start(mpu_dev, 0);
1126         mpu_irq[idx] = pnp_irq(mpu_dev, 0);
1127
1128         set_default_audio_parameters(chip);
1129 #ifdef MSND_CLASSIC
1130         chip->type = msndClassic;
1131 #else
1132         chip->type = msndPinnacle;
1133 #endif
1134         chip->io = io[idx];
1135         chip->irq = irq[idx];
1136         chip->base = mem[idx];
1137
1138         chip->calibrate_signal = calibrate_signal ? 1 : 0;
1139         chip->recsrc = 0;
1140         chip->dspq_data_buff = DSPQ_DATA_BUFF;
1141         chip->dspq_buff_size = DSPQ_BUFF_SIZE;
1142         if (write_ndelay[idx])
1143                 clear_bit(F_DISABLE_WRITE_NDELAY, &chip->flags);
1144         else
1145                 set_bit(F_DISABLE_WRITE_NDELAY, &chip->flags);
1146 #ifndef MSND_CLASSIC
1147         if (digital[idx])
1148                 set_bit(F_HAVEDIGITAL, &chip->flags);
1149 #endif
1150         spin_lock_init(&chip->lock);
1151         ret = snd_msnd_probe(card);
1152         if (ret < 0) {
1153                 printk(KERN_ERR LOGNAME ": Probe failed\n");
1154                 goto _release_card;
1155         }
1156
1157         ret = snd_msnd_attach(card);
1158         if (ret < 0) {
1159                 printk(KERN_ERR LOGNAME ": Attach failed\n");
1160                 goto _release_card;
1161         }
1162
1163         pnp_set_card_drvdata(pcard, card);
1164         ++idx;
1165         return 0;
1166
1167 _release_card:
1168         snd_card_free(card);
1169         return ret;
1170 }
1171
1172 static void snd_msnd_pnp_remove(struct pnp_card_link *pcard)
1173 {
1174         snd_msnd_unload(pnp_get_card_drvdata(pcard));
1175         pnp_set_card_drvdata(pcard, NULL);
1176 }
1177
1178 static int isa_registered;
1179 static int pnp_registered;
1180
1181 static const struct pnp_card_device_id msnd_pnpids[] = {
1182         /* Pinnacle PnP */
1183         { .id = "BVJ0440", .devs = { { "TBS0000" }, { "TBS0001" } } },
1184         { .id = "" }    /* end */
1185 };
1186
1187 MODULE_DEVICE_TABLE(pnp_card, msnd_pnpids);
1188
1189 static struct pnp_card_driver msnd_pnpc_driver = {
1190         .flags = PNP_DRIVER_RES_DO_NOT_CHANGE,
1191         .name = "msnd_pinnacle",
1192         .id_table = msnd_pnpids,
1193         .probe = snd_msnd_pnp_detect,
1194         .remove = snd_msnd_pnp_remove,
1195 };
1196 #endif /* CONFIG_PNP */
1197
1198 static int __init snd_msnd_init(void)
1199 {
1200         int err;
1201
1202         err = isa_register_driver(&snd_msnd_driver, SNDRV_CARDS);
1203 #ifdef CONFIG_PNP
1204         if (!err)
1205                 isa_registered = 1;
1206
1207         err = pnp_register_card_driver(&msnd_pnpc_driver);
1208         if (!err)
1209                 pnp_registered = 1;
1210
1211         if (isa_registered)
1212                 err = 0;
1213 #endif
1214         return err;
1215 }
1216
1217 static void __exit snd_msnd_exit(void)
1218 {
1219 #ifdef CONFIG_PNP
1220         if (pnp_registered)
1221                 pnp_unregister_card_driver(&msnd_pnpc_driver);
1222         if (isa_registered)
1223 #endif
1224                 isa_unregister_driver(&snd_msnd_driver);
1225 }
1226
1227 module_init(snd_msnd_init);
1228 module_exit(snd_msnd_exit);
1229