sound/oss/ad1816.c

   1 /*
   2  *
   3  * AD1816 lowlevel sound driver for Linux 2.6.0 and above
   4  *
   5  * Copyright (C) 1998-2003 by Thorsten Knabe <linux@thorsten-knabe.de>
   6  *
   7  * Based on the CS4232/AD1848 driver Copyright (C) by Hannu Savolainen 1993-1996
   8  *
   9  *
  10  * version: 1.5
  11  * status: beta
  12  * date: 2003/07/15
  13  *
  14  * Changes:
  15  *      Oleg Drokin: Some cleanup of load/unload functions.     1998/11/24
  16  *
  17  *      Thorsten Knabe: attach and unload rewritten,
  18  *      some argument checks added                              1998/11/30
  19  *
  20  *      Thorsten Knabe: Buggy isa bridge workaround added       1999/01/16
  21  *
  22  *      David Moews/Thorsten Knabe: Introduced options
  23  *      parameter. Added slightly modified patch from
  24  *      David Moews to disable dsp audio sources by setting
  25  *      bit 0 of options parameter. This seems to be
  26  *      required by some Aztech/Newcom SC-16 cards.             1999/04/18
  27  *
  28  *      Christoph Hellwig: Adapted to module_init/module_exit.  2000/03/03
  29  *
  30  *      Christoph Hellwig: Added isapnp support                 2000/03/15
  31  *
  32  *      Arnaldo Carvalho de Melo: get rid of check_region       2001/10/07
  33  *
  34  *      Thorsten Knabe: Compiling with CONFIG_PNP enabled
  35  *      works again. It is now possible to use more than one
  36  *      AD1816 sound card. Sample rate now may be changed during
  37  *      playback/capture. printk() uses log levels everywhere.
  38  *      SMP fixes. DMA handling fixes.
  39  *      Other minor code cleanup.                               2003/07/15
  40  *
  41  */
  42
  43
  44 #include <linux/module.h>
  45 #include <linux/init.h>
  46 #include <linux/interrupt.h>
  47 #include <linux/isapnp.h>
  48 #include <linux/stddef.h>
  49 #include <linux/spinlock.h>
  50 #include "sound_config.h"
  51
  52 #define DEBUGNOISE(x)
  53
  54 #define CHECK_FOR_POWER { int timeout=100; \
  55   while (timeout > 0 && (inb(devc->base)&0x80)!= 0x80) {\
  56           timeout--; \
  57   } \
  58   if (timeout==0) {\
  59           printk(KERN_WARNING "ad1816: Check for power failed in %s line: %d\n",__FILE__,__LINE__); \
  60   } \
  61 }
  62
  63 /* structure to hold device specific information */
  64 typedef struct
  65 {
  66         int            base;          /* set in attach */
  67         int            irq;
  68         int            dma_playback;
  69         int            dma_capture;
  70
  71         int            opened;         /* open */
  72         int            speed;
  73         int            channels;
  74         int            audio_format;
  75         int            audio_mode;
  76
  77         int            recmask;        /* setup */
  78         unsigned char  format_bits;
  79         int            supported_devices;
  80         int            supported_rec_devices;
  81         unsigned short levels[SOUND_MIXER_NRDEVICES];
  82                                         /* misc */
  83         struct pnp_dev *pnpdev;  /* configured via pnp */
  84         int            dev_no;   /* this is the # in audio_devs and NOT
  85                                     in ad1816_info */
  86         spinlock_t      lock;
  87 } ad1816_info;
  88
  89 static int nr_ad1816_devs;
  90 static int ad1816_clockfreq = 33000;
  91 static int options;
  92
  93 /* supported audio formats */
  94 static int  ad_format_mask =
  95 AFMT_U8 | AFMT_S16_LE | AFMT_S16_BE | AFMT_MU_LAW | AFMT_A_LAW;
  96
  97 /* array of device info structures */
  98 static ad1816_info dev_info[MAX_AUDIO_DEV];
  99
 100
 101 /* ------------------------------------------------------------------- */
 102
 103 /* functions for easier access to inderect registers */
 104
 105 static int ad_read (ad1816_info * devc, int reg)
 106 {
 107         int result;
 108
 109         CHECK_FOR_POWER;
 110         outb ((unsigned char) (reg & 0x3f), devc->base+0);
 111         result = inb(devc->base+2);
 112         result+= inb(devc->base+3)<<8;
 113         return (result);
 114 }
 115
 116
 117 static void ad_write (ad1816_info * devc, int reg, int data)
 118 {
 119         CHECK_FOR_POWER;
 120         outb ((unsigned char) (reg & 0xff), devc->base+0);
 121         outb ((unsigned char) (data & 0xff),devc->base+2);
 122         outb ((unsigned char) ((data>>8)&0xff),devc->base+3);
 123 }
 124
 125 /* ------------------------------------------------------------------- */
 126
 127 /* function interface required by struct audio_driver */
 128
 129 static void ad1816_halt_input (int dev)
 130 {
 131         unsigned long flags;
 132         ad1816_info    *devc = (ad1816_info *) audio_devs[dev]->devc;
 133         unsigned char buffer;
 134
 135         DEBUGNOISE(printk(KERN_DEBUG "ad1816: halt_input called\n"));
 136
 137         spin_lock_irqsave(&devc->lock,flags);
 138
 139         if(!isa_dma_bridge_buggy) {
 140                 disable_dma(audio_devs[dev]->dmap_in->dma);
 141         }
 142
 143         buffer=inb(devc->base+9);
 144         if (buffer & 0x01) {
 145                 /* disable capture */
 146                 outb(buffer & ~0x01,devc->base+9);
 147         }
 148
 149         if(!isa_dma_bridge_buggy) {
 150                 enable_dma(audio_devs[dev]->dmap_in->dma);
 151         }
 152
 153         /* Clear interrupt status */
 154         outb (~0x40, devc->base+1);
 155
 156         devc->audio_mode &= ~PCM_ENABLE_INPUT;
 157         spin_unlock_irqrestore(&devc->lock,flags);
 158 }
 159
 160 static void ad1816_halt_output (int dev)
 161 {
 162         unsigned long  flags;
 163         ad1816_info    *devc = (ad1816_info *) audio_devs[dev]->devc;
 164
 165         unsigned char buffer;
 166
 167         DEBUGNOISE(printk(KERN_DEBUG "ad1816: halt_output called!\n"));
 168
 169         spin_lock_irqsave(&devc->lock,flags);
 170         /* Mute pcm output */
 171         ad_write(devc, 4, ad_read(devc,4)|0x8080);
 172
 173         if(!isa_dma_bridge_buggy) {
 174                 disable_dma(audio_devs[dev]->dmap_out->dma);
 175         }
 176
 177         buffer=inb(devc->base+8);
 178         if (buffer & 0x01) {
 179                 /* disable capture */
 180                 outb(buffer & ~0x01,devc->base+8);
 181         }
 182
 183         if(!isa_dma_bridge_buggy) {
 184                 enable_dma(audio_devs[dev]->dmap_out->dma);
 185         }
 186
 187         /* Clear interrupt status */
 188         outb ((unsigned char)~0x80, devc->base+1);
 189
 190         devc->audio_mode &= ~PCM_ENABLE_OUTPUT;
 191         spin_unlock_irqrestore(&devc->lock,flags);
 192 }
 193
 194 static void ad1816_output_block (int dev, unsigned long buf,
 195                                  int count, int intrflag)
 196 {
 197         unsigned long flags;
 198         unsigned long cnt;
 199         ad1816_info    *devc = (ad1816_info *) audio_devs[dev]->devc;
 200
 201         DEBUGNOISE(printk(KERN_DEBUG "ad1816: output_block called buf=%ld count=%d flags=%d\n",buf,count,intrflag));
 202
 203         cnt = count/4 - 1;
 204
 205         spin_lock_irqsave(&devc->lock,flags);
 206
 207         /* set transfer count */
 208         ad_write (devc, 8, cnt & 0xffff);
 209
 210         devc->audio_mode |= PCM_ENABLE_OUTPUT;
 211         spin_unlock_irqrestore(&devc->lock,flags);
 212 }
 213
 214
 215 static void ad1816_start_input (int dev, unsigned long buf, int count,
 216                                 int intrflag)
 217 {
 218         unsigned long flags;
 219         unsigned long  cnt;
 220         ad1816_info    *devc = (ad1816_info *) audio_devs[dev]->devc;
 221
 222         DEBUGNOISE(printk(KERN_DEBUG "ad1816: start_input called buf=%ld count=%d flags=%d\n",buf,count,intrflag));
 223
 224         cnt = count/4 - 1;
 225
 226         spin_lock_irqsave(&devc->lock,flags);
 227
 228         /* set transfer count */
 229         ad_write (devc, 10, cnt & 0xffff);
 230         devc->audio_mode |= PCM_ENABLE_INPUT;
 231         spin_unlock_irqrestore(&devc->lock,flags);
 232 }
 233
 234 static int ad1816_prepare_for_input (int dev, int bsize, int bcount)
 235 {
 236         unsigned long flags;
 237         unsigned int freq;
 238         ad1816_info    *devc = (ad1816_info *) audio_devs[dev]->devc;
 239         unsigned char fmt_bits;
 240
 241         DEBUGNOISE(printk(KERN_DEBUG "ad1816: prepare_for_input called: bsize=%d bcount=%d\n",bsize,bcount));
 242
 243         spin_lock_irqsave(&devc->lock,flags);
 244         fmt_bits= (devc->format_bits&0x7)<<3;
 245
 246         /* set mono/stereo mode */
 247         if (devc->channels > 1) {
 248                 fmt_bits |=0x4;
 249         }
 250         /* set Mono/Stereo in playback/capture register */
 251         outb( (inb(devc->base+8) & ~0x3C)|fmt_bits, devc->base+8);
 252         outb( (inb(devc->base+9) & ~0x3C)|fmt_bits, devc->base+9);
 253
 254         freq=((unsigned int)devc->speed*33000)/ad1816_clockfreq;
 255
 256         /* write playback/capture speeds */
 257         ad_write (devc, 2, freq & 0xffff);
 258         ad_write (devc, 3, freq & 0xffff);
 259
 260         spin_unlock_irqrestore(&devc->lock,flags);
 261
 262         ad1816_halt_input(dev);
 263         return 0;
 264 }
 265
 266 static int ad1816_prepare_for_output (int dev, int bsize, int bcount)
 267 {
 268         unsigned long flags;
 269         unsigned int freq;
 270         ad1816_info    *devc = (ad1816_info *) audio_devs[dev]->devc;
 271         unsigned char fmt_bits;
 272
 273         DEBUGNOISE(printk(KERN_DEBUG "ad1816: prepare_for_output called: bsize=%d bcount=%d\n",bsize,bcount));
 274
 275         spin_lock_irqsave(&devc->lock,flags);
 276
 277         fmt_bits= (devc->format_bits&0x7)<<3;
 278         /* set mono/stereo mode */
 279         if (devc->channels > 1) {
 280                 fmt_bits |=0x4;
 281         }
 282
 283         /* write format bits to playback/capture registers */
 284         outb( (inb(devc->base+8) & ~0x3C)|fmt_bits, devc->base+8);
 285         outb( (inb(devc->base+9) & ~0x3C)|fmt_bits, devc->base+9);
 286
 287         freq=((unsigned int)devc->speed*33000)/ad1816_clockfreq;
 288
 289         /* write playback/capture speeds */
 290         ad_write (devc, 2, freq & 0xffff);
 291         ad_write (devc, 3, freq & 0xffff);
 292
 293         spin_unlock_irqrestore(&devc->lock,flags);
 294
 295         ad1816_halt_output(dev);
 296         return 0;
 297
 298 }
 299
 300 static void ad1816_trigger (int dev, int state)
 301 {
 302         unsigned long flags;
 303         ad1816_info    *devc = (ad1816_info *) audio_devs[dev]->devc;
 304
 305         DEBUGNOISE(printk(KERN_DEBUG "ad1816: trigger called! (devc=%d,devc->base=%d\n", devc, devc->base));
 306
 307         /* mode may have changed */
 308
 309         spin_lock_irqsave(&devc->lock,flags);
 310
 311         /* mask out modes not specified on open call */
 312         state &= devc->audio_mode;
 313
 314         /* setup soundchip to new io-mode */
 315         if (state & PCM_ENABLE_INPUT) {
 316                 /* enable capture */
 317                 outb(inb(devc->base+9)|0x01, devc->base+9);
 318         } else {
 319                 /* disable capture */
 320                 outb(inb(devc->base+9)&~0x01, devc->base+9);
 321         }
 322
 323         if (state & PCM_ENABLE_OUTPUT) {
 324                 /* enable playback */
 325                 outb(inb(devc->base+8)|0x01, devc->base+8);
 326                 /* unmute pcm output */
 327                 ad_write(devc, 4, ad_read(devc,4)&~0x8080);
 328         } else {
 329                 /* mute pcm output */
 330                 ad_write(devc, 4, ad_read(devc,4)|0x8080);
 331                 /* disable capture */
 332                 outb(inb(devc->base+8)&~0x01, devc->base+8);
 333         }
 334         spin_unlock_irqrestore(&devc->lock,flags);
 335 }
 336
 337
 338 /* halt input & output */
 339 static void ad1816_halt (int dev)
 340 {
 341         ad1816_halt_input(dev);
 342         ad1816_halt_output(dev);
 343 }
 344
 345 static void ad1816_reset (int dev)
 346 {
 347         ad1816_halt (dev);
 348 }
 349
 350 /* set playback speed */
 351 static int ad1816_set_speed (int dev, int arg)
 352 {
 353         unsigned long flags;
 354         unsigned int freq;
 355         int ret;
 356
 357         ad1816_info    *devc = (ad1816_info *) audio_devs[dev]->devc;
 358
 359         spin_lock_irqsave(&devc->lock, flags);
 360         if (arg == 0) {
 361                 ret = devc->speed;
 362                 spin_unlock_irqrestore(&devc->lock, flags);
 363                 return ret;
 364         }
 365         /* range checking */
 366         if (arg < 4000) {
 367                 arg = 4000;
 368         }
 369         if (arg > 55000) {
 370                 arg = 55000;
 371         }
 372         devc->speed = arg;
 373
 374         /* change speed during playback */
 375         freq=((unsigned int)devc->speed*33000)/ad1816_clockfreq;
 376         /* write playback/capture speeds */
 377         ad_write (devc, 2, freq & 0xffff);
 378         ad_write (devc, 3, freq & 0xffff);
 379
 380         ret = devc->speed;
 381         spin_unlock_irqrestore(&devc->lock, flags);
 382         return ret;
 383
 384 }
 385
 386 static unsigned int ad1816_set_bits (int dev, unsigned int arg)
 387 {
 388         unsigned long flags;
 389         ad1816_info    *devc = (ad1816_info *) audio_devs[dev]->devc;
 390
 391         static struct format_tbl {
 392                 int             format;
 393                 unsigned char   bits;
 394         } format2bits[] = {
 395                 { 0, 0 },
 396                 { AFMT_MU_LAW, 1 },
 397                 { AFMT_A_LAW, 3 },
 398                 { AFMT_IMA_ADPCM, 0 },
 399                 { AFMT_U8, 0 },
 400                 { AFMT_S16_LE, 2 },
 401                 { AFMT_S16_BE, 6 },
 402                 { AFMT_S8, 0 },
 403                 { AFMT_U16_LE, 0 },
 404                 { AFMT_U16_BE, 0 }
 405         };
 406
 407         int  i, n = sizeof (format2bits) / sizeof (struct format_tbl);
 408
 409         spin_lock_irqsave(&devc->lock, flags);
 410         /* return current format */
 411         if (arg == 0) {
 412                 arg = devc->audio_format;
 413                 spin_unlock_irqrestore(&devc->lock, flags);
 414                 return arg;
 415         }
 416         devc->audio_format = arg;
 417
 418         /* search matching format bits */
 419         for (i = 0; i < n; i++)
 420                 if (format2bits[i].format == arg) {
 421                         devc->format_bits = format2bits[i].bits;
 422                         devc->audio_format = arg;
 423                         spin_unlock_irqrestore(&devc->lock, flags);
 424                         return arg;
 425                 }
 426
 427         /* Still hanging here. Something must be terribly wrong */
 428         devc->format_bits = 0;
 429         devc->audio_format = AFMT_U8;
 430         spin_unlock_irqrestore(&devc->lock, flags);
 431         return(AFMT_U8);
 432 }
 433
 434 static short ad1816_set_channels (int dev, short arg)
 435 {
 436         ad1816_info    *devc = (ad1816_info *) audio_devs[dev]->devc;
 437
 438         if (arg != 1 && arg != 2)
 439                 return devc->channels;
 440
 441         devc->channels = arg;
 442         return arg;
 443 }
 444
 445 /* open device */
 446 static int ad1816_open (int dev, int mode)
 447 {
 448         ad1816_info    *devc = NULL;
 449         unsigned long   flags;
 450
 451         /* is device number valid ? */
 452         if (dev < 0 || dev >= num_audiodevs)
 453                 return -(ENXIO);
 454
 455         /* get device info of this dev */
 456         devc = (ad1816_info *) audio_devs[dev]->devc;
 457
 458         /* make check if device already open atomic */
 459         spin_lock_irqsave(&devc->lock,flags);
 460
 461         if (devc->opened) {
 462                 spin_unlock_irqrestore(&devc->lock,flags);
 463                 return -(EBUSY);
 464         }
 465
 466         /* mark device as open */
 467         devc->opened = 1;
 468
 469         devc->audio_mode = 0;
 470         devc->speed = 8000;
 471         devc->audio_format=AFMT_U8;
 472         devc->channels=1;
 473         spin_unlock_irqrestore(&devc->lock,flags);
 474         ad1816_reset(devc->dev_no); /* halt all pending output */
 475         return 0;
 476 }
 477
 478 static void ad1816_close (int dev) /* close device */
 479 {
 480         unsigned long flags;
 481         ad1816_info    *devc = (ad1816_info *) audio_devs[dev]->devc;
 482
 483         /* halt all pending output */
 484         ad1816_reset(devc->dev_no);
 485
 486         spin_lock_irqsave(&devc->lock,flags);
 487         devc->opened = 0;
 488         devc->audio_mode = 0;
 489         devc->speed = 8000;
 490         devc->audio_format=AFMT_U8;
 491         devc->format_bits = 0;
 492         spin_unlock_irqrestore(&devc->lock,flags);
 493 }
 494
 495
 496 /* ------------------------------------------------------------------- */
 497
 498 /* Audio driver structure */
 499
 500 static struct audio_driver ad1816_audio_driver =
 501 {
 502         .owner                  = THIS_MODULE,
 503         .open                   = ad1816_open,
 504         .close                  = ad1816_close,
 505         .output_block           = ad1816_output_block,
 506         .start_input            = ad1816_start_input,
 507         .prepare_for_input      = ad1816_prepare_for_input,
 508         .prepare_for_output     = ad1816_prepare_for_output,
 509         .halt_io                = ad1816_halt,
 510         .halt_input             = ad1816_halt_input,
 511         .halt_output            = ad1816_halt_output,
 512         .trigger                = ad1816_trigger,
 513         .set_speed              = ad1816_set_speed,
 514         .set_bits               = ad1816_set_bits,
 515         .set_channels           = ad1816_set_channels,
 516 };
 517
 518
 519 /* ------------------------------------------------------------------- */
 520
 521 /* Interrupt handler */
 522
 523
 524 static irqreturn_t ad1816_interrupt (int irq, void *dev_id)
 525 {
 526         unsigned char   status;
 527         ad1816_info     *devc = (ad1816_info *)dev_id;
 528
 529         if (irq < 0 || irq > 15) {
 530                 printk(KERN_WARNING "ad1816: Got bogus interrupt %d\n", irq);
 531                 return IRQ_NONE;
 532         }
 533
 534         spin_lock(&devc->lock);
 535
 536         /* read interrupt register */
 537         status = inb (devc->base+1);
 538         /* Clear all interrupt  */
 539         outb (~status, devc->base+1);
 540
 541         DEBUGNOISE(printk(KERN_DEBUG "ad1816: Got interrupt subclass %d\n",status));
 542
 543         if (status == 0) {
 544                 DEBUGNOISE(printk(KERN_DEBUG "ad1816: interrupt: Got interrupt, but no source.\n"));
 545                 spin_unlock(&devc->lock);
 546                 return IRQ_NONE;
 547         }
 548
 549         if (devc->opened && (devc->audio_mode & PCM_ENABLE_INPUT) && (status&64))
 550                 DMAbuf_inputintr (devc->dev_no);
 551
 552         if (devc->opened && (devc->audio_mode & PCM_ENABLE_OUTPUT) && (status & 128))
 553                 DMAbuf_outputintr (devc->dev_no, 1);
 554
 555         spin_unlock(&devc->lock);
 556         return IRQ_HANDLED;
 557 }
 558
 559 /* ------------------------------------------------------------------- */
 560
 561 /* Mixer stuff */
 562
 563 struct mixer_def {
 564         unsigned int regno: 7;
 565         unsigned int polarity:1;        /* 0=normal, 1=reversed */
 566         unsigned int bitpos:4;
 567         unsigned int nbits:4;
 568 };
 569
 570 static char mix_cvt[101] = {
 571          0, 0, 3, 7,10,13,16,19,21,23,26,28,30,32,34,35,37,39,40,42,
 572         43,45,46,47,49,50,51,52,53,55,56,57,58,59,60,61,62,63,64,65,
 573         65,66,67,68,69,70,70,71,72,73,73,74,75,75,76,77,77,78,79,79,
 574         80,81,81,82,82,83,84,84,85,85,86,86,87,87,88,88,89,89,90,90,
 575         91,91,92,92,93,93,94,94,95,95,96,96,96,97,97,98,98,98,99,99,
 576         100
 577 };
 578
 579 typedef struct mixer_def mixer_ent;
 580
 581 /*
 582  * Most of the mixer entries work in backwards. Setting the polarity field
 583  * makes them to work correctly.
 584  *
 585  * The channel numbering used by individual soundcards is not fixed. Some
 586  * cards have assigned different meanings for the AUX1, AUX2 and LINE inputs.
 587  * The current version doesn't try to compensate this.
 588  */
 589
 590 #define MIX_ENT(name, reg_l, pola_l, pos_l, len_l, reg_r, pola_r, pos_r, len_r) \
 591   {{reg_l, pola_l, pos_l, len_l}, {reg_r, pola_r, pos_r, len_r}}
 592
 593
 594 static mixer_ent mix_devices[SOUND_MIXER_NRDEVICES][2] = {
 595 MIX_ENT(SOUND_MIXER_VOLUME,     14, 1, 8, 5,    14, 1, 0, 5),
 596 MIX_ENT(SOUND_MIXER_BASS,        0, 0, 0, 0,     0, 0, 0, 0),
 597 MIX_ENT(SOUND_MIXER_TREBLE,      0, 0, 0, 0,     0, 0, 0, 0),
 598 MIX_ENT(SOUND_MIXER_SYNTH,       5, 1, 8, 6,     5, 1, 0, 6),
 599 MIX_ENT(SOUND_MIXER_PCM,         4, 1, 8, 6,     4, 1, 0, 6),
 600 MIX_ENT(SOUND_MIXER_SPEAKER,     0, 0, 0, 0,     0, 0, 0, 0),
 601 MIX_ENT(SOUND_MIXER_LINE,       18, 1, 8, 5,    18, 1, 0, 5),
 602 MIX_ENT(SOUND_MIXER_MIC,        19, 1, 8, 5,    19, 1, 0, 5),
 603 MIX_ENT(SOUND_MIXER_CD,         15, 1, 8, 5,    15, 1, 0, 5),
 604 MIX_ENT(SOUND_MIXER_IMIX,        0, 0, 0, 0,     0, 0, 0, 0),
 605 MIX_ENT(SOUND_MIXER_ALTPCM,      0, 0, 0, 0,     0, 0, 0, 0),
 606 MIX_ENT(SOUND_MIXER_RECLEV,     20, 0, 8, 4,    20, 0, 0, 4),
 607 MIX_ENT(SOUND_MIXER_IGAIN,       0, 0, 0, 0,     0, 0, 0, 0),
 608 MIX_ENT(SOUND_MIXER_OGAIN,       0, 0, 0, 0,     0, 0, 0, 0),
 609 MIX_ENT(SOUND_MIXER_LINE1,      17, 1, 8, 5,    17, 1, 0, 5),
 610 MIX_ENT(SOUND_MIXER_LINE2,      16, 1, 8, 5,    16, 1, 0, 5),
 611 MIX_ENT(SOUND_MIXER_LINE3,      39, 0, 9, 4,    39, 1, 0, 5)
 612 };
 613
 614
 615 static unsigned short default_mixer_levels[SOUND_MIXER_NRDEVICES] =
 616 {
 617         0x4343,         /* Master Volume */
 618         0x3232,         /* Bass */
 619         0x3232,         /* Treble */
 620         0x0000,         /* FM */
 621         0x4343,         /* PCM */
 622         0x0000,         /* PC Speaker */
 623         0x0000,         /* Ext Line */
 624         0x0000,         /* Mic */
 625         0x0000,         /* CD */
 626         0x0000,         /* Recording monitor */
 627         0x0000,         /* SB PCM */
 628         0x0000,         /* Recording level */
 629         0x0000,         /* Input gain */
 630         0x0000,         /* Output gain */
 631         0x0000,         /* Line1 */
 632         0x0000,         /* Line2 */
 633         0x0000          /* Line3 (usually line in)*/
 634 };
 635
 636 #define LEFT_CHN        0
 637 #define RIGHT_CHN       1
 638
 639
 640
 641 static int
 642 ad1816_set_recmask (ad1816_info * devc, int mask)
 643 {
 644         unsigned long   flags;
 645         unsigned char   recdev;
 646         int             i, n;
 647
 648         spin_lock_irqsave(&devc->lock, flags);
 649         mask &= devc->supported_rec_devices;
 650
 651         n = 0;
 652         /* Count selected device bits */
 653         for (i = 0; i < 32; i++)
 654                 if (mask & (1 << i))
 655                         n++;
 656
 657         if (n == 0)
 658                 mask = SOUND_MASK_MIC;
 659         else if (n != 1) { /* Too many devices selected */
 660                 /* Filter out active settings */
 661                 mask &= ~devc->recmask;
 662
 663                 n = 0;
 664                 /* Count selected device bits */
 665                 for (i = 0; i < 32; i++)
 666                         if (mask & (1 << i))
 667                                 n++;
 668
 669                 if (n != 1)
 670                         mask = SOUND_MASK_MIC;
 671         }
 672
 673         switch (mask) {
 674         case SOUND_MASK_MIC:
 675                 recdev = 5;
 676                 break;
 677
 678         case SOUND_MASK_LINE:
 679                 recdev = 0;
 680                 break;
 681
 682         case SOUND_MASK_CD:
 683                 recdev = 2;
 684                 break;
 685
 686         case SOUND_MASK_LINE1:
 687                 recdev = 4;
 688                 break;
 689
 690         case SOUND_MASK_LINE2:
 691                 recdev = 3;
 692                 break;
 693
 694         case SOUND_MASK_VOLUME:
 695                 recdev = 1;
 696                 break;
 697
 698         default:
 699                 mask = SOUND_MASK_MIC;
 700                 recdev = 5;
 701         }
 702
 703         recdev <<= 4;
 704         ad_write (devc, 20,
 705                   (ad_read (devc, 20) & 0x8f8f) | recdev | (recdev<<8));
 706
 707         devc->recmask = mask;
 708         spin_unlock_irqrestore(&devc->lock, flags);
 709         return mask;
 710 }
 711
 712 static void
 713 change_bits (int *regval, int dev, int chn, int newval)
 714 {
 715         unsigned char   mask;
 716         int             shift;
 717
 718         /* Reverse polarity*/
 719
 720         if (mix_devices[dev][chn].polarity == 1)
 721                 newval = 100 - newval;
 722
 723         mask = (1 << mix_devices[dev][chn].nbits) - 1;
 724         shift = mix_devices[dev][chn].bitpos;
 725         /* Scale it */
 726         newval = (int) ((newval * mask) + 50) / 100;
 727         /* Clear bits */
 728         *regval &= ~(mask << shift);
 729         /* Set new value */
 730         *regval |= (newval & mask) << shift;
 731 }
 732
 733 static int
 734 ad1816_mixer_get (ad1816_info * devc, int dev)
 735 {
 736         DEBUGNOISE(printk(KERN_DEBUG "ad1816: mixer_get called!\n"));
 737
 738         /* range check + supported mixer check */
 739         if (dev < 0 || dev >= SOUND_MIXER_NRDEVICES )
 740                 return (-(EINVAL));
 741         if (!((1 << dev) & devc->supported_devices))
 742                 return -(EINVAL);
 743
 744         return devc->levels[dev];
 745 }
 746
 747 static int
 748 ad1816_mixer_set (ad1816_info * devc, int dev, int value)
 749 {
 750         int   left = value & 0x000000ff;
 751         int   right = (value & 0x0000ff00) >> 8;
 752         int   retvol;
 753
 754         int   regoffs;
 755         int   val;
 756         int   valmute;
 757         unsigned long flags;
 758
 759         DEBUGNOISE(printk(KERN_DEBUG "ad1816: mixer_set called!\n"));
 760
 761         if (dev < 0 || dev >= SOUND_MIXER_NRDEVICES )
 762                 return -(EINVAL);
 763
 764         if (left > 100)
 765                 left = 100;
 766         if (left < 0)
 767                 left = 0;
 768         if (right > 100)
 769                 right = 100;
 770         if (right < 0)
 771                 right = 0;
 772
 773         /* Mono control */
 774         if (mix_devices[dev][RIGHT_CHN].nbits == 0)
 775                 right = left;
 776         retvol = left | (right << 8);
 777
 778         /* Scale it */
 779
 780         left = mix_cvt[left];
 781         right = mix_cvt[right];
 782
 783         /* reject all mixers that are not supported */
 784         if (!(devc->supported_devices & (1 << dev)))
 785                 return -(EINVAL);
 786
 787         /* sanity check */
 788         if (mix_devices[dev][LEFT_CHN].nbits == 0)
 789                 return -(EINVAL);
 790         spin_lock_irqsave(&devc->lock, flags);
 791
 792         /* keep precise volume internal */
 793         devc->levels[dev] = retvol;
 794
 795         /* Set the left channel */
 796         regoffs = mix_devices[dev][LEFT_CHN].regno;
 797         val = ad_read (devc, regoffs);
 798         change_bits (&val, dev, LEFT_CHN, left);
 799
 800         valmute=val;
 801
 802         /* Mute bit masking on some registers */
 803         if ( regoffs==5 || regoffs==14 || regoffs==15 ||
 804              regoffs==16 || regoffs==17 || regoffs==18 ||
 805              regoffs==19 || regoffs==39) {
 806                 if (left==0)
 807                         valmute |= 0x8000;
 808                 else
 809                         valmute &= ~0x8000;
 810         }
 811         ad_write (devc, regoffs, valmute); /* mute */
 812
 813         /*
 814          * Set the right channel
 815          */
 816
 817         /* Was just a mono channel */
 818         if (mix_devices[dev][RIGHT_CHN].nbits == 0) {
 819                 spin_unlock_irqrestore(&devc->lock, flags);
 820                 return retvol;
 821         }
 822
 823         regoffs = mix_devices[dev][RIGHT_CHN].regno;
 824         val = ad_read (devc, regoffs);
 825         change_bits (&val, dev, RIGHT_CHN, right);
 826
 827         valmute=val;
 828         if ( regoffs==5 || regoffs==14 || regoffs==15 ||
 829              regoffs==16 || regoffs==17 || regoffs==18 ||
 830              regoffs==19 || regoffs==39) {
 831                 if (right==0)
 832                         valmute |= 0x80;
 833                 else
 834                         valmute &= ~0x80;
 835         }
 836         ad_write (devc, regoffs, valmute); /* mute */
 837         spin_unlock_irqrestore(&devc->lock, flags);
 838         return retvol;
 839 }
 840
 841 #define MIXER_DEVICES ( SOUND_MASK_VOLUME | \
 842                         SOUND_MASK_SYNTH | \
 843                         SOUND_MASK_PCM | \
 844                         SOUND_MASK_LINE | \
 845                         SOUND_MASK_LINE1 | \
 846                         SOUND_MASK_LINE2 | \
 847                         SOUND_MASK_LINE3 | \
 848                         SOUND_MASK_MIC | \
 849                         SOUND_MASK_CD | \
 850                         SOUND_MASK_RECLEV  \
 851                         )
 852 #define REC_DEVICES ( SOUND_MASK_LINE2 |\
 853                       SOUND_MASK_LINE |\
 854                       SOUND_MASK_LINE1 |\
 855                       SOUND_MASK_MIC |\
 856                       SOUND_MASK_CD |\
 857                       SOUND_MASK_VOLUME \
 858                       )
 859
 860 static void
 861 ad1816_mixer_reset (ad1816_info * devc)
 862 {
 863         int  i;
 864
 865         devc->supported_devices = MIXER_DEVICES;
 866
 867         devc->supported_rec_devices = REC_DEVICES;
 868
 869         for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
 870                 if (devc->supported_devices & (1 << i))
 871                         ad1816_mixer_set (devc, i, default_mixer_levels[i]);
 872         ad1816_set_recmask (devc, SOUND_MASK_MIC);
 873 }
 874
 875 static int
 876 ad1816_mixer_ioctl (int dev, unsigned int cmd, void __user * arg)
 877 {
 878         ad1816_info    *devc = mixer_devs[dev]->devc;
 879         int val;
 880         int __user *p = arg;
 881
 882         DEBUGNOISE(printk(KERN_DEBUG "ad1816: mixer_ioctl called!\n"));
 883
 884         /* Mixer ioctl */
 885         if (((cmd >> 8) & 0xff) == 'M') {
 886
 887                 /* set ioctl */
 888                 if (_SIOC_DIR (cmd) & _SIOC_WRITE) {
 889                         switch (cmd & 0xff){
 890                         case SOUND_MIXER_RECSRC:
 891
 892                                 if (get_user(val, p))
 893                                         return -EFAULT;
 894                                 val=ad1816_set_recmask (devc, val);
 895                                 return put_user(val, p);
 896                                 break;
 897
 898                         default:
 899                                 if (get_user(val, p))
 900                                         return -EFAULT;
 901                                 if ((val=ad1816_mixer_set (devc, cmd & 0xff, val))<0)
 902                                         return val;
 903                                 else
 904                                         return put_user(val, p);
 905                         }
 906                 } else {
 907                         /* read ioctl */
 908                         switch (cmd & 0xff) {
 909
 910                         case SOUND_MIXER_RECSRC:
 911                                 val=devc->recmask;
 912                                 return put_user(val, p);
 913                                 break;
 914
 915                         case SOUND_MIXER_DEVMASK:
 916                                 val=devc->supported_devices;
 917                                 return put_user(val, p);
 918                                 break;
 919
 920                         case SOUND_MIXER_STEREODEVS:
 921                                 val=devc->supported_devices & ~(SOUND_MASK_SPEAKER | SOUND_MASK_IMIX);
 922                                 return put_user(val, p);
 923                                 break;
 924
 925                         case SOUND_MIXER_RECMASK:
 926                                 val=devc->supported_rec_devices;
 927                                 return put_user(val, p);
 928                                 break;
 929
 930                         case SOUND_MIXER_CAPS:
 931                                 val=SOUND_CAP_EXCL_INPUT;
 932                                 return put_user(val, p);
 933                                 break;
 934
 935                         default:
 936                                 if ((val=ad1816_mixer_get (devc, cmd & 0xff))<0)
 937                                         return val;
 938                                 else
 939                                         return put_user(val, p);
 940                         }
 941                 }
 942         } else
 943                 /* not for mixer */
 944                 return -(EINVAL);
 945 }
 946
 947 /* ------------------------------------------------------------------- */
 948
 949 /* Mixer structure */
 950
 951 static struct mixer_operations ad1816_mixer_operations = {
 952         .owner  = THIS_MODULE,
 953         .id     = "AD1816",
 954         .name   = "AD1816 Mixer",
 955         .ioctl  = ad1816_mixer_ioctl
 956 };
 957
 958
 959 /* ------------------------------------------------------------------- */
 960
 961 /* stuff for card recognition, init and unloading PNP ...*/
 962
 963
 964 /* check if AD1816 present at specified hw_config and register device with OS
 965  * return 1 if initialization was successful, 0 otherwise
 966  */
 967 static int __init ad1816_init_card (struct address_info *hw_config,
 968         struct pnp_dev *pnp)
 969 {
 970         ad1816_info    *devc = NULL;
 971         int tmp;
 972         int oss_devno = -1;
 973
 974         printk(KERN_INFO "ad1816: initializing card: io=0x%x, irq=%d, dma=%d, "
 975                          "dma2=%d, clockfreq=%d, options=%d isadmabug=%d "
 976                          "%s\n",
 977                hw_config->io_base,
 978                hw_config->irq,
 979                hw_config->dma,
 980                hw_config->dma2,
 981                ad1816_clockfreq,
 982                options,
 983                isa_dma_bridge_buggy,
 984                pnp?"(PNP)":"");
 985
 986         /* ad1816_info structure remaining ? */
 987         if (nr_ad1816_devs >= MAX_AUDIO_DEV) {
 988                 printk(KERN_WARNING "ad1816: no more ad1816_info structures "
 989                         "left\n");
 990                 goto out;
 991         }
 992
 993         devc = &dev_info[nr_ad1816_devs];
 994         devc->base = hw_config->io_base;
 995         devc->irq = hw_config->irq;
 996         devc->dma_playback=hw_config->dma;
 997         devc->dma_capture=hw_config->dma2;
 998         devc->opened = 0;
 999         devc->pnpdev = pnp;
1000         spin_lock_init(&devc->lock);
1001
1002         if (!request_region(devc->base, 16, "AD1816 Sound")) {
1003                 printk(KERN_WARNING "ad1816: I/O port 0x%03x not free\n",
1004                                     devc->base);
1005                 goto out;
1006         }
1007
1008         printk(KERN_INFO "ad1816: Examining AD1816 at address 0x%03x.\n",
1009                 devc->base);
1010
1011
1012         /* tests for ad1816 */
1013         /* base+0: bit 1 must be set but not 255 */
1014         tmp=inb(devc->base);
1015         if ( (tmp&0x80)==0 || tmp==255 ) {
1016                 printk (KERN_INFO "ad1816: Chip is not an AD1816 or chip "
1017                         "is not active (Test 0)\n");
1018                 goto out_release_region;
1019         }
1020
1021         /* writes to ireg 8 are copied to ireg 9 */
1022         ad_write(devc,8,12345);
1023         if (ad_read(devc,9)!=12345) {
1024                 printk(KERN_INFO "ad1816: Chip is not an AD1816 (Test 1)\n");
1025                 goto out_release_region;
1026         }
1027
1028         /* writes to ireg 8 are copied to ireg 9 */
1029         ad_write(devc,8,54321);
1030         if (ad_read(devc,9)!=54321) {
1031                 printk(KERN_INFO "ad1816: Chip is not an AD1816 (Test 2)\n");
1032                 goto out_release_region;
1033         }
1034
1035         /* writes to ireg 10 are copied to ireg 11 */
1036         ad_write(devc,10,54321);
1037         if (ad_read(devc,11)!=54321) {
1038                 printk (KERN_INFO "ad1816: Chip is not an AD1816 (Test 3)\n");
1039                 goto out_release_region;
1040         }
1041
1042         /* writes to ireg 10 are copied to ireg 11 */
1043         ad_write(devc,10,12345);
1044         if (ad_read(devc,11)!=12345) {
1045                 printk (KERN_INFO "ad1816: Chip is not an AD1816 (Test 4)\n");
1046                 goto out_release_region;
1047         }
1048
1049         /* bit in base +1 cannot be set to 1 */
1050         tmp=inb(devc->base+1);
1051         outb(0xff,devc->base+1);
1052         if (inb(devc->base+1)!=tmp) {
1053                 printk(KERN_INFO "ad1816: Chip is not an AD1816 (Test 5)\n");
1054                 goto out_release_region;
1055         }
1056
1057         printk(KERN_INFO "ad1816: AD1816 (version %d) successfully detected!\n",
1058                 ad_read(devc,45));
1059
1060         /* disable all interrupts */
1061         ad_write(devc,1,0);
1062
1063         /* Clear pending interrupts */
1064         outb (0, devc->base+1);
1065
1066         /* allocate irq */
1067         if (devc->irq < 0 || devc->irq > 15)
1068                 goto out_release_region;
1069         if (request_irq(devc->irq, ad1816_interrupt,0,
1070                         "SoundPort", devc) < 0) {
1071                 printk(KERN_WARNING "ad1816: IRQ in use\n");
1072                 goto out_release_region;
1073         }
1074
1075         /* DMA stuff */
1076         if (sound_alloc_dma (devc->dma_playback, "Sound System")) {
1077                 printk(KERN_WARNING "ad1816: Can't allocate DMA%d\n",
1078                                     devc->dma_playback);
1079                 goto out_free_irq;
1080         }
1081
1082         if ( devc->dma_capture >= 0 &&
1083                 devc->dma_capture != devc->dma_playback) {
1084                 if (sound_alloc_dma(devc->dma_capture,
1085                                     "Sound System (capture)")) {
1086                         printk(KERN_WARNING "ad1816: Can't allocate DMA%d\n",
1087                                             devc->dma_capture);
1088                         goto out_free_dma;
1089                 }
1090                 devc->audio_mode=DMA_AUTOMODE|DMA_DUPLEX;
1091         } else {
1092                 printk(KERN_WARNING "ad1816: Only one DMA channel "
1093                         "available/configured. No duplex operation possible\n");
1094                 devc->audio_mode=DMA_AUTOMODE;
1095         }
1096
1097         conf_printf2 ("AD1816 audio driver",
1098                       devc->base, devc->irq, devc->dma_playback,
1099                       devc->dma_capture);
1100
1101         /* register device */
1102         if ((oss_devno = sound_install_audiodrv (AUDIO_DRIVER_VERSION,
1103                                               "AD1816 audio driver",
1104                                               &ad1816_audio_driver,
1105                                               sizeof (struct audio_driver),
1106                                               devc->audio_mode,
1107                                               ad_format_mask,
1108                                               devc,
1109                                               devc->dma_playback,
1110                                               devc->dma_capture)) < 0) {
1111                 printk(KERN_WARNING "ad1816: Can't install sound driver\n");
1112                 goto out_free_dma_2;
1113         }
1114
1115
1116         ad_write(devc,32,0x80f0); /* sound system mode */
1117         if (options&1) {
1118                 ad_write(devc,33,0); /* disable all audiosources for dsp */
1119         } else {
1120                 ad_write(devc,33,0x03f8); /* enable all audiosources for dsp */
1121         }
1122         ad_write(devc,4,0x8080);  /* default values for volumes (muted)*/
1123         ad_write(devc,5,0x8080);
1124         ad_write(devc,6,0x8080);
1125         ad_write(devc,7,0x8080);
1126         ad_write(devc,15,0x8888);
1127         ad_write(devc,16,0x8888);
1128         ad_write(devc,17,0x8888);
1129         ad_write(devc,18,0x8888);
1130         ad_write(devc,19,0xc888); /* +20db mic active */
1131         ad_write(devc,14,0x0000); /* Master volume unmuted */
1132         ad_write(devc,39,0x009f); /* 3D effect on 0% phone out muted */
1133         ad_write(devc,44,0x0080); /* everything on power, 3d enabled for d/a */
1134         outb(0x10,devc->base+8); /* set dma mode */
1135         outb(0x10,devc->base+9);
1136
1137         /* enable capture + playback interrupt */
1138         ad_write(devc,1,0xc000);
1139
1140         /* set mixer defaults */
1141         ad1816_mixer_reset (devc);
1142
1143         /* register mixer */
1144         if ((audio_devs[oss_devno]->mixer_dev=sound_install_mixer(
1145                                        MIXER_DRIVER_VERSION,
1146                                        "AD1816 audio driver",
1147                                        &ad1816_mixer_operations,
1148                                        sizeof (struct mixer_operations),
1149                                        devc)) < 0) {
1150                 printk(KERN_WARNING "Can't install mixer\n");
1151         }
1152         /* make ad1816_info active */
1153         nr_ad1816_devs++;
1154         printk(KERN_INFO "ad1816: card successfully installed!\n");
1155         return 1;
1156         /* error handling */
1157 out_free_dma_2:
1158         if (devc->dma_capture >= 0 && devc->dma_capture != devc->dma_playback)
1159                 sound_free_dma(devc->dma_capture);
1160 out_free_dma:
1161         sound_free_dma(devc->dma_playback);
1162 out_free_irq:
1163         free_irq(devc->irq, devc);
1164 out_release_region:
1165         release_region(devc->base, 16);
1166 out:
1167         return 0;
1168 }
1169
1170 static void __exit unload_card(ad1816_info *devc)
1171 {
1172         int  mixer, dev = 0;
1173
1174         if (devc != NULL) {
1175                 printk("ad1816: Unloading card at address 0x%03x\n",devc->base);
1176
1177                 dev = devc->dev_no;
1178                 mixer = audio_devs[dev]->mixer_dev;
1179
1180                 /* unreg mixer*/
1181                 if(mixer>=0) {
1182                         sound_unload_mixerdev(mixer);
1183                 }
1184                 /* unreg audiodev */
1185                 sound_unload_audiodev(dev);
1186
1187                 /* free dma channels */
1188                 if (devc->dma_capture>=0 &&
1189                         devc->dma_capture != devc->dma_playback) {
1190                         sound_free_dma(devc->dma_capture);
1191                 }
1192                 sound_free_dma (devc->dma_playback);
1193                 /* free irq */
1194                 free_irq(devc->irq, devc);
1195                 /* free io */
1196                 release_region (devc->base, 16);
1197 #ifdef __ISAPNP__
1198                 if (devc->pnpdev) {
1199                         pnp_disable_dev(devc->pnpdev);
1200                         pnp_device_detach(devc->pnpdev);
1201                 }
1202 #endif
1203
1204         } else
1205                 printk(KERN_WARNING "ad1816: no device/card specified\n");
1206 }
1207
1208 static int __initdata io = -1;
1209 static int __initdata irq = -1;
1210 static int __initdata dma = -1;
1211 static int __initdata dma2 = -1;
1212
1213 #ifdef __ISAPNP__
1214 /* use isapnp for configuration */
1215 static int isapnp       = 1;
1216 static int isapnpjump;
1217 module_param(isapnp, bool, 0);
1218 module_param(isapnpjump, int, 0);
1219 #endif
1220
1221 module_param(io, int, 0);
1222 module_param(irq, int, 0);
1223 module_param(dma, int, 0);
1224 module_param(dma2, int, 0);
1225 module_param(ad1816_clockfreq, int, 0);
1226 module_param(options, int, 0);
1227
1228 #ifdef __ISAPNP__
1229 static struct {
1230         unsigned short card_vendor, card_device;
1231         unsigned short vendor;
1232         unsigned short function;
1233         struct ad1816_data *data;
1234 } isapnp_ad1816_list[] __initdata = {
1235         {       ISAPNP_ANY_ID, ISAPNP_ANY_ID,
1236                 ISAPNP_VENDOR('A','D','S'), ISAPNP_FUNCTION(0x7150),
1237                 NULL },
1238         {       ISAPNP_ANY_ID, ISAPNP_ANY_ID,
1239                 ISAPNP_VENDOR('A','D','S'), ISAPNP_FUNCTION(0x7180),
1240                 NULL },
1241         {0}
1242 };
1243
1244 MODULE_DEVICE_TABLE(isapnp, isapnp_ad1816_list);
1245
1246
1247 static void __init ad1816_config_pnp_card(struct pnp_card *card,
1248                                           unsigned short vendor,
1249                                           unsigned short function)
1250 {
1251         struct address_info cfg;
1252         struct pnp_dev *card_dev = pnp_find_dev(card, vendor, function, NULL);
1253         if (!card_dev) return;
1254         if (pnp_device_attach(card_dev) < 0) {
1255                 printk(KERN_WARNING "ad1816: Failed to attach PnP device\n");
1256                 return;
1257         }
1258         if (pnp_activate_dev(card_dev) < 0) {
1259                 printk(KERN_WARNING "ad1816: Failed to activate PnP device\n");
1260                 pnp_device_detach(card_dev);
1261                 return;
1262         }
1263         cfg.io_base = pnp_port_start(card_dev, 2);
1264         cfg.irq = pnp_irq(card_dev, 0);
1265         cfg.dma = pnp_irq(card_dev, 0);
1266         cfg.dma2 = pnp_irq(card_dev, 1);
1267         if (!ad1816_init_card(&cfg, card_dev)) {
1268                 pnp_disable_dev(card_dev);
1269                 pnp_device_detach(card_dev);
1270         }
1271 }
1272
1273 static void __init ad1816_config_pnp_cards(void)
1274 {
1275         int nr_pnp_cfg;
1276         int i;
1277
1278         /* Count entries in isapnp_ad1816_list */
1279         for (nr_pnp_cfg = 0; isapnp_ad1816_list[nr_pnp_cfg].card_vendor != 0;
1280                 nr_pnp_cfg++);
1281         /* Check and adjust isapnpjump */
1282         if( isapnpjump < 0 || isapnpjump >= nr_pnp_cfg) {
1283                 printk(KERN_WARNING
1284                         "ad1816: Valid range for isapnpjump is 0-%d. "
1285                         "Adjusted to 0.\n", nr_pnp_cfg-1);
1286                 isapnpjump = 0;
1287         }
1288         for (i = isapnpjump; isapnp_ad1816_list[i].card_vendor != 0; i++) {
1289                 struct pnp_card *card = NULL;
1290                 /* iterate over all pnp cards */
1291                 while ((card = pnp_find_card(isapnp_ad1816_list[i].card_vendor,
1292                                 isapnp_ad1816_list[i].card_device, card)))
1293                         ad1816_config_pnp_card(card,
1294                                 isapnp_ad1816_list[i].vendor,
1295                                 isapnp_ad1816_list[i].function);
1296         }
1297 }
1298 #endif
1299
1300 /* module initialization */
1301 static int __init init_ad1816(void)
1302 {
1303         printk(KERN_INFO "ad1816: AD1816 sounddriver "
1304                          "Copyright (C) 1998-2003 by Thorsten Knabe and "
1305                          "others\n");
1306 #ifdef AD1816_CLOCK
1307         /* set ad1816_clockfreq if set during compilation */
1308         ad1816_clockfreq=AD1816_CLOCK;
1309 #endif
1310         if (ad1816_clockfreq<5000 || ad1816_clockfreq>100000) {
1311                 ad1816_clockfreq=33000;
1312         }
1313
1314 #ifdef __ISAPNP__
1315         /* configure PnP cards */
1316         if(isapnp) ad1816_config_pnp_cards();
1317 #endif
1318         /* configure card by module params */
1319         if (io != -1 && irq != -1 && dma != -1) {
1320                 struct address_info cfg;
1321                 cfg.io_base = io;
1322                 cfg.irq = irq;
1323                 cfg.dma = dma;
1324                 cfg.dma2 = dma2;
1325                 ad1816_init_card(&cfg, NULL);
1326         }
1327         if (nr_ad1816_devs <= 0)
1328                 return -ENODEV;
1329         return 0;
1330 }
1331
1332 /* module cleanup */
1333 static void __exit cleanup_ad1816 (void)
1334 {
1335         int          i;
1336         ad1816_info  *devc = NULL;
1337
1338         /* remove any soundcard */
1339         for (i = 0;  i < nr_ad1816_devs; i++) {
1340                 devc = &dev_info[i];
1341                 unload_card(devc);
1342         }
1343         nr_ad1816_devs=0;
1344         printk(KERN_INFO "ad1816: driver unloaded!\n");
1345 }
1346
1347 module_init(init_ad1816);
1348 module_exit(cleanup_ad1816);
1349
1350 #ifndef MODULE
1351 /* kernel command line parameter evaluation */
1352 static int __init setup_ad1816(char *str)
1353 {
1354         /* io, irq, dma, dma2 */
1355         int ints[5];
1356
1357         str = get_options(str, ARRAY_SIZE(ints), ints);
1358
1359         io      = ints[1];
1360         irq     = ints[2];
1361         dma     = ints[3];
1362         dma2    = ints[4];
1363         return 1;
1364 }
1365
1366 __setup("ad1816=", setup_ad1816);
1367 #endif
1368 MODULE_LICENSE("GPL");