kernel/sound/oss/sb_common.c

   1 /*
   2  * sound/oss/sb_common.c
   3  *
   4  * Common routines for Sound Blaster compatible cards.
   5  *
   6  *
   7  * Copyright (C) by Hannu Savolainen 1993-1997
   8  *
   9  * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
  10  * Version 2 (June 1991). See the "COPYING" file distributed with this software
  11  * for more info.
  12  *
  13  *
  14  * Daniel J. Rodriksson: Modified sbintr to handle 8 and 16 bit interrupts
  15  *                       for full duplex support ( only sb16 by now )
  16  * Rolf Fokkens:         Added (BETA?) support for ES1887 chips.
  17  * (fokkensr@vertis.nl)  Which means: You can adjust the recording levels.
  18  *
  19  * 2000/01/18 - separated sb_card and sb_common -
  20  * Jeff Garzik <jgarzik@pobox.com>
  21  *
  22  * 2000/09/18 - got rid of attach_uart401
  23  * Arnaldo Carvalho de Melo <acme@conectiva.com.br>
  24  *
  25  * 2001/01/26 - replaced CLI/STI with spinlocks
  26  * Chris Rankin <rankinc@zipworld.com.au>
  27  */
  28
  29 #include <linux/init.h>
  30 #include <linux/interrupt.h>
  31 #include <linux/module.h>
  32 #include <linux/delay.h>
  33 #include <linux/spinlock.h>
  34 #include <linux/slab.h>
  35
  36 #include "sound_config.h"
  37 #include "sound_firmware.h"
  38
  39 #include "mpu401.h"
  40
  41 #include "sb_mixer.h"
  42 #include "sb.h"
  43 #include "sb_ess.h"
  44
  45 /*
  46  * global module flag
  47  */
  48
  49 int sb_be_quiet;
  50
  51 static sb_devc *detected_devc;  /* For communication from probe to init */
  52 static sb_devc *last_devc;      /* For MPU401 initialization */
  53
  54 static unsigned char jazz_irq_bits[] = {
  55         0, 0, 2, 3, 0, 1, 0, 4, 0, 2, 5, 0, 0, 0, 0, 6
  56 };
  57
  58 static unsigned char jazz_dma_bits[] = {
  59         0, 1, 0, 2, 0, 3, 0, 4
  60 };
  61
  62 void *smw_free;
  63
  64 /*
  65  * Jazz16 chipset specific control variables
  66  */
  67
  68 static int jazz16_base;                 /* Not detected */
  69 static unsigned char jazz16_bits;       /* I/O relocation bits */
  70 static DEFINE_SPINLOCK(jazz16_lock);
  71
  72 /*
  73  * Logitech Soundman Wave specific initialization code
  74  */
  75
  76 #ifdef SMW_MIDI0001_INCLUDED
  77 #include "smw-midi0001.h"
  78 #else
  79 static unsigned char *smw_ucode;
  80 static int      smw_ucodeLen;
  81
  82 #endif
  83
  84 static sb_devc *last_sb;                /* Last sb loaded */
  85
  86 int sb_dsp_command(sb_devc * devc, unsigned char val)
  87 {
  88         int i;
  89         unsigned long limit;
  90
  91         limit = jiffies + HZ / 10;      /* Timeout */
  92
  93         /*
  94          * Note! the i<500000 is an emergency exit. The sb_dsp_command() is sometimes
  95          * called while interrupts are disabled. This means that the timer is
  96          * disabled also. However the timeout situation is a abnormal condition.
  97          * Normally the DSP should be ready to accept commands after just couple of
  98          * loops.
  99          */
 100
 101         for (i = 0; i < 500000 && (limit-jiffies)>0; i++)
 102         {
 103                 if ((inb(DSP_STATUS) & 0x80) == 0)
 104                 {
 105                         outb((val), DSP_COMMAND);
 106                         return 1;
 107                 }
 108         }
 109         printk(KERN_WARNING "Sound Blaster:  DSP command(%x) timeout.\n", val);
 110         return 0;
 111 }
 112
 113 int sb_dsp_get_byte(sb_devc * devc)
 114 {
 115         int i;
 116
 117         for (i = 1000; i; i--)
 118         {
 119                 if (inb(DSP_DATA_AVAIL) & 0x80)
 120                         return inb(DSP_READ);
 121         }
 122         return 0xffff;
 123 }
 124
 125 static void sb_intr (sb_devc *devc)
 126 {
 127         int status;
 128         unsigned char   src = 0xff;
 129
 130         if (devc->model == MDL_SB16)
 131         {
 132                 src = sb_getmixer(devc, IRQ_STAT);      /* Interrupt source register */
 133
 134                 if (src & 4)                                            /* MPU401 interrupt */
 135                         if(devc->midi_irq_cookie)
 136                                 uart401intr(devc->irq, devc->midi_irq_cookie);
 137
 138                 if (!(src & 3))
 139                         return; /* Not a DSP interrupt */
 140         }
 141         if (devc->intr_active && (!devc->fullduplex || (src & 0x01)))
 142         {
 143                 switch (devc->irq_mode)
 144                 {
 145                         case IMODE_OUTPUT:
 146                                 DMAbuf_outputintr(devc->dev, 1);
 147                                 break;
 148
 149                         case IMODE_INPUT:
 150                                 DMAbuf_inputintr(devc->dev);
 151                                 break;
 152
 153                         case IMODE_INIT:
 154                                 break;
 155
 156                         case IMODE_MIDI:
 157                                 sb_midi_interrupt(devc);
 158                                 break;
 159
 160                         default:
 161                                 /* printk(KERN_WARNING "Sound Blaster: Unexpected interrupt\n"); */
 162                                 ;
 163                 }
 164         }
 165         else if (devc->intr_active_16 && (src & 0x02))
 166         {
 167                 switch (devc->irq_mode_16)
 168                 {
 169                         case IMODE_OUTPUT:
 170                                 DMAbuf_outputintr(devc->dev, 1);
 171                                 break;
 172
 173                         case IMODE_INPUT:
 174                                 DMAbuf_inputintr(devc->dev);
 175                                 break;
 176
 177                         case IMODE_INIT:
 178                                 break;
 179
 180                         default:
 181                                 /* printk(KERN_WARNING "Sound Blaster: Unexpected interrupt\n"); */
 182                                 ;
 183                 }
 184         }
 185         /*
 186          * Acknowledge interrupts
 187          */
 188
 189         if (src & 0x01)
 190                 status = inb(DSP_DATA_AVAIL);
 191
 192         if (devc->model == MDL_SB16 && src & 0x02)
 193                 status = inb(DSP_DATA_AVL16);
 194 }
 195
 196 static void pci_intr(sb_devc *devc)
 197 {
 198         int src = inb(devc->pcibase+0x1A);
 199         src&=3;
 200         if(src)
 201                 sb_intr(devc);
 202 }
 203
 204 static irqreturn_t sbintr(int irq, void *dev_id)
 205 {
 206         sb_devc *devc = dev_id;
 207
 208         devc->irq_ok = 1;
 209
 210         switch (devc->model) {
 211         case MDL_ESSPCI:
 212                 pci_intr (devc);
 213                 break;
 214
 215         case MDL_ESS:
 216                 ess_intr (devc);
 217                 break;
 218         default:
 219                 sb_intr (devc);
 220                 break;
 221         }
 222         return IRQ_HANDLED;
 223 }
 224
 225 int sb_dsp_reset(sb_devc * devc)
 226 {
 227         int loopc;
 228
 229         if (devc->model == MDL_ESS) return ess_dsp_reset (devc);
 230
 231         /* This is only for non-ESS chips */
 232
 233         outb(1, DSP_RESET);
 234
 235         udelay(10);
 236         outb(0, DSP_RESET);
 237         udelay(30);
 238
 239         for (loopc = 0; loopc < 1000 && !(inb(DSP_DATA_AVAIL) & 0x80); loopc++);
 240
 241         if (inb(DSP_READ) != 0xAA)
 242         {
 243                 DDB(printk("sb: No response to RESET\n"));
 244                 return 0;       /* Sorry */
 245         }
 246
 247         return 1;
 248 }
 249
 250 static void dsp_get_vers(sb_devc * devc)
 251 {
 252         int i;
 253
 254         unsigned long   flags;
 255
 256         DDB(printk("Entered dsp_get_vers()\n"));
 257         spin_lock_irqsave(&devc->lock, flags);
 258         devc->major = devc->minor = 0;
 259         sb_dsp_command(devc, 0xe1);     /* Get version */
 260
 261         for (i = 100000; i; i--)
 262         {
 263                 if (inb(DSP_DATA_AVAIL) & 0x80)
 264                 {
 265                         if (devc->major == 0)
 266                                 devc->major = inb(DSP_READ);
 267                         else
 268                         {
 269                                 devc->minor = inb(DSP_READ);
 270                                 break;
 271                         }
 272                 }
 273         }
 274         spin_unlock_irqrestore(&devc->lock, flags);
 275         DDB(printk("DSP version %d.%02d\n", devc->major, devc->minor));
 276 }
 277
 278 static int sb16_set_dma_hw(sb_devc * devc)
 279 {
 280         int bits;
 281
 282         if (devc->dma8 != 0 && devc->dma8 != 1 && devc->dma8 != 3)
 283         {
 284                 printk(KERN_ERR "SB16: Invalid 8 bit DMA (%d)\n", devc->dma8);
 285                 return 0;
 286         }
 287         bits = (1 << devc->dma8);
 288
 289         if (devc->dma16 >= 5 && devc->dma16 <= 7)
 290                 bits |= (1 << devc->dma16);
 291
 292         sb_setmixer(devc, DMA_NR, bits);
 293         return 1;
 294 }
 295
 296 static void sb16_set_mpu_port(sb_devc * devc, struct address_info *hw_config)
 297 {
 298         /*
 299          * This routine initializes new MIDI port setup register of SB Vibra (CT2502).
 300          */
 301         unsigned char   bits = sb_getmixer(devc, 0x84) & ~0x06;
 302
 303         switch (hw_config->io_base)
 304         {
 305                 case 0x300:
 306                         sb_setmixer(devc, 0x84, bits | 0x04);
 307                         break;
 308
 309                 case 0x330:
 310                         sb_setmixer(devc, 0x84, bits | 0x00);
 311                         break;
 312
 313                 default:
 314                         sb_setmixer(devc, 0x84, bits | 0x02);           /* Disable MPU */
 315                         printk(KERN_ERR "SB16: Invalid MIDI I/O port %x\n", hw_config->io_base);
 316         }
 317 }
 318
 319 static int sb16_set_irq_hw(sb_devc * devc, int level)
 320 {
 321         int ival;
 322
 323         switch (level)
 324         {
 325                 case 5:
 326                         ival = 2;
 327                         break;
 328                 case 7:
 329                         ival = 4;
 330                         break;
 331                 case 9:
 332                         ival = 1;
 333                         break;
 334                 case 10:
 335                         ival = 8;
 336                         break;
 337                 default:
 338                         printk(KERN_ERR "SB16: Invalid IRQ%d\n", level);
 339                         return 0;
 340         }
 341         sb_setmixer(devc, IRQ_NR, ival);
 342         return 1;
 343 }
 344
 345 static void relocate_Jazz16(sb_devc * devc, struct address_info *hw_config)
 346 {
 347         unsigned char bits = 0;
 348         unsigned long flags;
 349
 350         if (jazz16_base != 0 && jazz16_base != hw_config->io_base)
 351                 return;
 352
 353         switch (hw_config->io_base)
 354         {
 355                 case 0x220:
 356                         bits = 1;
 357                         break;
 358                 case 0x240:
 359                         bits = 2;
 360                         break;
 361                 case 0x260:
 362                         bits = 3;
 363                         break;
 364                 default:
 365                         return;
 366         }
 367         bits = jazz16_bits = bits << 5;
 368         jazz16_base = hw_config->io_base;
 369
 370         /*
 371          *      Magic wake up sequence by writing to 0x201 (aka Joystick port)
 372          */
 373         spin_lock_irqsave(&jazz16_lock, flags);
 374         outb((0xAF), 0x201);
 375         outb((0x50), 0x201);
 376         outb((bits), 0x201);
 377         spin_unlock_irqrestore(&jazz16_lock, flags);
 378 }
 379
 380 static int init_Jazz16(sb_devc * devc, struct address_info *hw_config)
 381 {
 382         char name[100];
 383         /*
 384          * First try to check that the card has Jazz16 chip. It identifies itself
 385          * by returning 0x12 as response to DSP command 0xfa.
 386          */
 387
 388         if (!sb_dsp_command(devc, 0xfa))
 389                 return 0;
 390
 391         if (sb_dsp_get_byte(devc) != 0x12)
 392                 return 0;
 393
 394         /*
 395          * OK so far. Now configure the IRQ and DMA channel used by the card.
 396          */
 397         if (hw_config->irq < 1 || hw_config->irq > 15 || jazz_irq_bits[hw_config->irq] == 0)
 398         {
 399                 printk(KERN_ERR "Jazz16: Invalid interrupt (IRQ%d)\n", hw_config->irq);
 400                 return 0;
 401         }
 402         if (hw_config->dma < 0 || hw_config->dma > 3 || jazz_dma_bits[hw_config->dma] == 0)
 403         {
 404                   printk(KERN_ERR "Jazz16: Invalid 8 bit DMA (DMA%d)\n", hw_config->dma);
 405                   return 0;
 406         }
 407         if (hw_config->dma2 < 0)
 408         {
 409                 printk(KERN_ERR "Jazz16: No 16 bit DMA channel defined\n");
 410                 return 0;
 411         }
 412         if (hw_config->dma2 < 5 || hw_config->dma2 > 7 || jazz_dma_bits[hw_config->dma2] == 0)
 413         {
 414                 printk(KERN_ERR "Jazz16: Invalid 16 bit DMA (DMA%d)\n", hw_config->dma2);
 415                 return 0;
 416         }
 417         devc->dma16 = hw_config->dma2;
 418
 419         if (!sb_dsp_command(devc, 0xfb))
 420                 return 0;
 421
 422         if (!sb_dsp_command(devc, jazz_dma_bits[hw_config->dma] |
 423                         (jazz_dma_bits[hw_config->dma2] << 4)))
 424                 return 0;
 425
 426         if (!sb_dsp_command(devc, jazz_irq_bits[hw_config->irq]))
 427                 return 0;
 428
 429         /*
 430          * Now we have configured a standard Jazz16 device.
 431          */
 432         devc->model = MDL_JAZZ;
 433         strcpy(name, "Jazz16");
 434
 435         hw_config->name = "Jazz16";
 436         devc->caps |= SB_NO_MIDI;
 437         return 1;
 438 }
 439
 440 static void relocate_ess1688(sb_devc * devc)
 441 {
 442         unsigned char bits;
 443
 444         switch (devc->base)
 445         {
 446                 case 0x220:
 447                         bits = 0x04;
 448                         break;
 449                 case 0x230:
 450                         bits = 0x05;
 451                         break;
 452                 case 0x240:
 453                         bits = 0x06;
 454                         break;
 455                 case 0x250:
 456                         bits = 0x07;
 457                         break;
 458                 default:
 459                         return; /* Wrong port */
 460         }
 461
 462         DDB(printk("Doing ESS1688 address selection\n"));
 463
 464         /*
 465          * ES1688 supports two alternative ways for software address config.
 466          * First try the so called Read-Sequence-Key method.
 467          */
 468
 469         /* Reset the sequence logic */
 470         inb(0x229);
 471         inb(0x229);
 472         inb(0x229);
 473
 474         /* Perform the read sequence */
 475         inb(0x22b);
 476         inb(0x229);
 477         inb(0x22b);
 478         inb(0x229);
 479         inb(0x229);
 480         inb(0x22b);
 481         inb(0x229);
 482
 483         /* Select the base address by reading from it. Then probe using the port. */
 484         inb(devc->base);
 485         if (sb_dsp_reset(devc)) /* Bingo */
 486                 return;
 487
 488 #if 0                           /* This causes system lockups (Nokia 386/25 at least) */
 489         /*
 490          * The last resort is the system control register method.
 491          */
 492
 493         outb((0x00), 0xfb);     /* 0xFB is the unlock register */
 494         outb((0x00), 0xe0);     /* Select index 0 */
 495         outb((bits), 0xe1);     /* Write the config bits */
 496         outb((0x00), 0xf9);     /* 0xFB is the lock register */
 497 #endif
 498 }
 499
 500 int sb_dsp_detect(struct address_info *hw_config, int pci, int pciio, struct sb_module_options *sbmo)
 501 {
 502         sb_devc sb_info;
 503         sb_devc *devc = &sb_info;
 504
 505         memset((char *) &sb_info, 0, sizeof(sb_info));  /* Zero everything */
 506
 507         /* Copy module options in place */
 508         if(sbmo) memcpy(&devc->sbmo, sbmo, sizeof(struct sb_module_options));
 509
 510         sb_info.my_mididev = -1;
 511         sb_info.my_mixerdev = -1;
 512         sb_info.dev = -1;
 513
 514         /*
 515          * Initialize variables
 516          */
 517
 518         DDB(printk("sb_dsp_detect(%x) entered\n", hw_config->io_base));
 519
 520         spin_lock_init(&devc->lock);
 521         devc->type = hw_config->card_subtype;
 522
 523         devc->base = hw_config->io_base;
 524         devc->irq = hw_config->irq;
 525         devc->dma8 = hw_config->dma;
 526
 527         devc->dma16 = -1;
 528         devc->pcibase = pciio;
 529
 530         if(pci == SB_PCI_ESSMAESTRO)
 531         {
 532                 devc->model = MDL_ESSPCI;
 533                 devc->caps |= SB_PCI_IRQ;
 534                 hw_config->driver_use_1 |= SB_PCI_IRQ;
 535                 hw_config->card_subtype = MDL_ESSPCI;
 536         }
 537
 538         if(pci == SB_PCI_YAMAHA)
 539         {
 540                 devc->model = MDL_YMPCI;
 541                 devc->caps |= SB_PCI_IRQ;
 542                 hw_config->driver_use_1 |= SB_PCI_IRQ;
 543                 hw_config->card_subtype = MDL_YMPCI;
 544
 545                 printk("Yamaha PCI mode.\n");
 546         }
 547
 548         if (devc->sbmo.acer)
 549         {
 550                 unsigned long flags;
 551
 552                 spin_lock_irqsave(&devc->lock, flags);
 553                 inb(devc->base + 0x09);
 554                 inb(devc->base + 0x09);
 555                 inb(devc->base + 0x09);
 556                 inb(devc->base + 0x0b);
 557                 inb(devc->base + 0x09);
 558                 inb(devc->base + 0x0b);
 559                 inb(devc->base + 0x09);
 560                 inb(devc->base + 0x09);
 561                 inb(devc->base + 0x0b);
 562                 inb(devc->base + 0x09);
 563                 inb(devc->base + 0x00);
 564                 spin_unlock_irqrestore(&devc->lock, flags);
 565         }
 566         /*
 567          * Detect the device
 568          */
 569
 570         if (sb_dsp_reset(devc))
 571                 dsp_get_vers(devc);
 572         else
 573                 devc->major = 0;
 574
 575         if (devc->type == 0 || devc->type == MDL_JAZZ || devc->type == MDL_SMW)
 576                 if (devc->major == 0 || (devc->major == 3 && devc->minor == 1))
 577                         relocate_Jazz16(devc, hw_config);
 578
 579         if (devc->major == 0 && (devc->type == MDL_ESS || devc->type == 0))
 580                 relocate_ess1688(devc);
 581
 582         if (!sb_dsp_reset(devc))
 583         {
 584                 DDB(printk("SB reset failed\n"));
 585 #ifdef MODULE
 586                 printk(KERN_INFO "sb: dsp reset failed.\n");
 587 #endif
 588                 return 0;
 589         }
 590         if (devc->major == 0)
 591                 dsp_get_vers(devc);
 592
 593         if (devc->major == 3 && devc->minor == 1)
 594         {
 595                 if (devc->type == MDL_AZTECH)           /* SG Washington? */
 596                 {
 597                         if (sb_dsp_command(devc, 0x09))
 598                                 if (sb_dsp_command(devc, 0x00)) /* Enter WSS mode */
 599                                 {
 600                                         int i;
 601
 602                                         /* Have some delay */
 603                                         for (i = 0; i < 10000; i++)
 604                                                 inb(DSP_DATA_AVAIL);
 605                                         devc->caps = SB_NO_AUDIO | SB_NO_MIDI;  /* Mixer only */
 606                                         devc->model = MDL_AZTECH;
 607                                 }
 608                 }
 609         }
 610
 611         if(devc->type == MDL_ESSPCI)
 612                 devc->model = MDL_ESSPCI;
 613
 614         if(devc->type == MDL_YMPCI)
 615         {
 616                 printk("YMPCI selected\n");
 617                 devc->model = MDL_YMPCI;
 618         }
 619
 620         /*
 621          * Save device information for sb_dsp_init()
 622          */
 623
 624
 625         detected_devc = kmemdup(devc, sizeof(sb_devc), GFP_KERNEL);
 626         if (detected_devc == NULL)
 627         {
 628                 printk(KERN_ERR "sb: Can't allocate memory for device information\n");
 629                 return 0;
 630         }
 631         MDB(printk(KERN_INFO "SB %d.%02d detected OK (%x)\n", devc->major, devc->minor, hw_config->io_base));
 632         return 1;
 633 }
 634
 635 int sb_dsp_init(struct address_info *hw_config, struct module *owner)
 636 {
 637         sb_devc *devc;
 638         char name[100];
 639         extern int sb_be_quiet;
 640         int     mixer22, mixer30;
 641
 642 /*
 643  * Check if we had detected a SB device earlier
 644  */
 645         DDB(printk("sb_dsp_init(%x) entered\n", hw_config->io_base));
 646         name[0] = 0;
 647
 648         if (detected_devc == NULL)
 649         {
 650                 MDB(printk("No detected device\n"));
 651                 return 0;
 652         }
 653         devc = detected_devc;
 654         detected_devc = NULL;
 655
 656         if (devc->base != hw_config->io_base)
 657         {
 658                 DDB(printk("I/O port mismatch\n"));
 659                 release_region(devc->base, 16);
 660                 return 0;
 661         }
 662         /*
 663          * Now continue initialization of the device
 664          */
 665
 666         devc->caps = hw_config->driver_use_1;
 667
 668         if (!((devc->caps & SB_NO_AUDIO) && (devc->caps & SB_NO_MIDI)) && hw_config->irq > 0)
 669         {                       /* IRQ setup */
 670
 671                 /*
 672                  *      ESS PCI cards do shared PCI IRQ stuff. Since they
 673                  *      will get shared PCI irq lines we must cope.
 674                  */
 675
 676                 int i=(devc->caps&SB_PCI_IRQ)?IRQF_SHARED:0;
 677
 678                 if (request_irq(hw_config->irq, sbintr, i, "soundblaster", devc) < 0)
 679                 {
 680                         printk(KERN_ERR "SB: Can't allocate IRQ%d\n", hw_config->irq);
 681                         release_region(devc->base, 16);
 682                         return 0;
 683                 }
 684                 devc->irq_ok = 0;
 685
 686                 if (devc->major == 4)
 687                         if (!sb16_set_irq_hw(devc, devc->irq))  /* Unsupported IRQ */
 688                         {
 689                                 free_irq(devc->irq, devc);
 690                                 release_region(devc->base, 16);
 691                                 return 0;
 692                         }
 693                 if ((devc->type == 0 || devc->type == MDL_ESS) &&
 694                         devc->major == 3 && devc->minor == 1)
 695                 {               /* Handle various chipsets which claim they are SB Pro compatible */
 696                         if ((devc->type != 0 && devc->type != MDL_ESS) ||
 697                                 !ess_init(devc, hw_config))
 698                         {
 699                                 if ((devc->type != 0 && devc->type != MDL_JAZZ &&
 700                                          devc->type != MDL_SMW) || !init_Jazz16(devc, hw_config))
 701                                 {
 702                                         DDB(printk("This is a genuine SB Pro\n"));
 703                                 }
 704                         }
 705                 }
 706                 if (devc->major == 4 && devc->minor <= 11 )     /* Won't work */
 707                         devc->irq_ok = 1;
 708                 else
 709                 {
 710                         int n;
 711
 712                         for (n = 0; n < 3 && devc->irq_ok == 0; n++)
 713                         {
 714                                 if (sb_dsp_command(devc, 0xf2)) /* Cause interrupt immediately */
 715                                 {
 716                                         int i;
 717
 718                                         for (i = 0; !devc->irq_ok && i < 10000; i++);
 719                                 }
 720                         }
 721                         if (!devc->irq_ok)
 722                                 printk(KERN_WARNING "sb: Interrupt test on IRQ%d failed - Probable IRQ conflict\n", devc->irq);
 723                         else
 724                         {
 725                                 DDB(printk("IRQ test OK (IRQ%d)\n", devc->irq));
 726                         }
 727                 }
 728         }                       /* IRQ setup */
 729
 730         last_sb = devc;
 731
 732         switch (devc->major)
 733         {
 734                 case 1:         /* SB 1.0 or 1.5 */
 735                         devc->model = hw_config->card_subtype = MDL_SB1;
 736                         break;
 737
 738                 case 2:         /* SB 2.x */
 739                         if (devc->minor == 0)
 740                                 devc->model = hw_config->card_subtype = MDL_SB2;
 741                         else
 742                                 devc->model = hw_config->card_subtype = MDL_SB201;
 743                         break;
 744
 745                 case 3:         /* SB Pro and most clones */
 746                         switch (devc->model) {
 747                         case 0:
 748                                 devc->model = hw_config->card_subtype = MDL_SBPRO;
 749                                 if (hw_config->name == NULL)
 750                                         hw_config->name = "Sound Blaster Pro (8 BIT ONLY)";
 751                                 break;
 752                         case MDL_ESS:
 753                                 ess_dsp_init(devc, hw_config);
 754                                 break;
 755                         }
 756                         break;
 757
 758                 case 4:
 759                         devc->model = hw_config->card_subtype = MDL_SB16;
 760                         /*
 761                          * ALS007 and ALS100 return DSP version 4.2 and have 2 post-reset !=0
 762                          * registers at 0x3c and 0x4c (output ctrl registers on ALS007) whereas
 763                          * a "standard" SB16 doesn't have a register at 0x4c.  ALS100 actively
 764                          * updates register 0x22 whenever 0x30 changes, as per the SB16 spec.
 765                          * Since ALS007 doesn't, this can be used to differentiate the 2 cards.
 766                          */
 767                         if ((devc->minor == 2) && sb_getmixer(devc,0x3c) && sb_getmixer(devc,0x4c))
 768                         {
 769                                 mixer30 = sb_getmixer(devc,0x30);
 770                                 sb_setmixer(devc,0x22,(mixer22=sb_getmixer(devc,0x22)) & 0x0f);
 771                                 sb_setmixer(devc,0x30,0xff);
 772                                 /* ALS100 will force 0x30 to 0xf8 like SB16; ALS007 will allow 0xff. */
 773                                 /* Register 0x22 & 0xf0 on ALS100 == 0xf0; on ALS007 it == 0x10.     */
 774                                 if ((sb_getmixer(devc,0x30) != 0xff) || ((sb_getmixer(devc,0x22) & 0xf0) != 0x10))
 775                                 {
 776                                         devc->submodel = SUBMDL_ALS100;
 777                                         if (hw_config->name == NULL)
 778                                                 hw_config->name = "Sound Blaster 16 (ALS-100)";
 779                                 }
 780                                 else
 781                                 {
 782                                         sb_setmixer(devc,0x3c,0x1f);    /* Enable all inputs */
 783                                         sb_setmixer(devc,0x4c,0x1f);
 784                                         sb_setmixer(devc,0x22,mixer22); /* Restore 0x22 to original value */
 785                                         devc->submodel = SUBMDL_ALS007;
 786                                         if (hw_config->name == NULL)
 787                                                 hw_config->name = "Sound Blaster 16 (ALS-007)";
 788                                 }
 789                                 sb_setmixer(devc,0x30,mixer30);
 790                         }
 791                         else if (hw_config->name == NULL)
 792                                 hw_config->name = "Sound Blaster 16";
 793
 794                         if (hw_config->dma2 == -1)
 795                                 devc->dma16 = devc->dma8;
 796                         else if (hw_config->dma2 < 5 || hw_config->dma2 > 7)
 797                         {
 798                                 printk(KERN_WARNING  "SB16: Bad or missing 16 bit DMA channel\n");
 799                                 devc->dma16 = devc->dma8;
 800                         }
 801                         else
 802                                 devc->dma16 = hw_config->dma2;
 803
 804                         if(!sb16_set_dma_hw(devc)) {
 805                                 free_irq(devc->irq, devc);
 806                                 release_region(hw_config->io_base, 16);
 807                                 return 0;
 808                         }
 809
 810                         devc->caps |= SB_NO_MIDI;
 811         }
 812
 813         if (!(devc->caps & SB_NO_MIXER))
 814                 if (devc->major == 3 || devc->major == 4)
 815                         sb_mixer_init(devc, owner);
 816
 817         if (!(devc->caps & SB_NO_MIDI))
 818                 sb_dsp_midi_init(devc, owner);
 819
 820         if (hw_config->name == NULL)
 821                 hw_config->name = "Sound Blaster (8 BIT/MONO ONLY)";
 822
 823         sprintf(name, "%s (%d.%02d)", hw_config->name, devc->major, devc->minor);
 824         conf_printf(name, hw_config);
 825
 826         /*
 827          * Assuming that a sound card is Sound Blaster (compatible) is the most common
 828          * configuration error and the mother of all problems. Usually sound cards
 829          * emulate SB Pro but in addition they have a 16 bit native mode which should be
 830          * used in Unix. See Readme.cards for more information about configuring OSS/Free
 831          * properly.
 832          */
 833         if (devc->model <= MDL_SBPRO)
 834         {
 835                 if (devc->major == 3 && devc->minor != 1)       /* "True" SB Pro should have v3.1 (rare ones may have 3.2). */
 836                 {
 837                         printk(KERN_INFO "This sound card may not be fully Sound Blaster Pro compatible.\n");
 838                         printk(KERN_INFO "In many cases there is another way to configure OSS so that\n");
 839                         printk(KERN_INFO "it works properly with OSS (for example in 16 bit mode).\n");
 840                         printk(KERN_INFO "Please ignore this message if you _really_ have a SB Pro.\n");
 841                 }
 842                 else if (!sb_be_quiet && devc->model == MDL_SBPRO)
 843                 {
 844                         printk(KERN_INFO "SB DSP version is just %d.%02d which means that your card is\n", devc->major, devc->minor);
 845                         printk(KERN_INFO "several years old (8 bit only device) or alternatively the sound driver\n");
 846                         printk(KERN_INFO "is incorrectly configured.\n");
 847                 }
 848         }
 849         hw_config->card_subtype = devc->model;
 850         hw_config->slots[0]=devc->dev;
 851         last_devc = devc;       /* For SB MPU detection */
 852
 853         if (!(devc->caps & SB_NO_AUDIO) && devc->dma8 >= 0)
 854         {
 855                 if (sound_alloc_dma(devc->dma8, "SoundBlaster8"))
 856                 {
 857                         printk(KERN_WARNING "Sound Blaster: Can't allocate 8 bit DMA channel %d\n", devc->dma8);
 858                 }
 859                 if (devc->dma16 >= 0 && devc->dma16 != devc->dma8)
 860                 {
 861                         if (sound_alloc_dma(devc->dma16, "SoundBlaster16"))
 862                                 printk(KERN_WARNING "Sound Blaster:  can't allocate 16 bit DMA channel %d.\n", devc->dma16);
 863                 }
 864                 sb_audio_init(devc, name, owner);
 865                 hw_config->slots[0]=devc->dev;
 866         }
 867         else
 868         {
 869                 MDB(printk("Sound Blaster:  no audio devices found.\n"));
 870         }
 871         return 1;
 872 }
 873
 874 /* if (sbmpu) below we allow mpu401 to manage the midi devs
 875    otherwise we have to unload them. (Andrzej Krzysztofowicz) */
 876
 877 void sb_dsp_unload(struct address_info *hw_config, int sbmpu)
 878 {
 879         sb_devc *devc;
 880
 881         devc = audio_devs[hw_config->slots[0]]->devc;
 882
 883         if (devc && devc->base == hw_config->io_base)
 884         {
 885                 if ((devc->model & MDL_ESS) && devc->pcibase)
 886                         release_region(devc->pcibase, 8);
 887
 888                 release_region(devc->base, 16);
 889
 890                 if (!(devc->caps & SB_NO_AUDIO))
 891                 {
 892                         sound_free_dma(devc->dma8);
 893                         if (devc->dma16 >= 0)
 894                                 sound_free_dma(devc->dma16);
 895                 }
 896                 if (!(devc->caps & SB_NO_AUDIO && devc->caps & SB_NO_MIDI))
 897                 {
 898                         if (devc->irq > 0)
 899                                 free_irq(devc->irq, devc);
 900
 901                         sb_mixer_unload(devc);
 902                         /* We don't have to do this bit any more the UART401 is its own
 903                                 master  -- Krzysztof Halasa */
 904                         /* But we have to do it, if UART401 is not detected */
 905                         if (!sbmpu)
 906                                 sound_unload_mididev(devc->my_mididev);
 907                         sound_unload_audiodev(devc->dev);
 908                 }
 909                 kfree(devc);
 910         }
 911         else
 912                 release_region(hw_config->io_base, 16);
 913
 914         kfree(detected_devc);
 915 }
 916
 917 /*
 918  *      Mixer access routines
 919  *
 920  *      ES1887 modifications: some mixer registers reside in the
 921  *      range above 0xa0. These must be accessed in another way.
 922  */
 923
 924 void sb_setmixer(sb_devc * devc, unsigned int port, unsigned int value)
 925 {
 926         unsigned long flags;
 927
 928         if (devc->model == MDL_ESS) {
 929                 ess_setmixer (devc, port, value);
 930                 return;
 931         }
 932
 933         spin_lock_irqsave(&devc->lock, flags);
 934
 935         outb(((unsigned char) (port & 0xff)), MIXER_ADDR);
 936         udelay(20);
 937         outb(((unsigned char) (value & 0xff)), MIXER_DATA);
 938         udelay(20);
 939
 940         spin_unlock_irqrestore(&devc->lock, flags);
 941 }
 942
 943 unsigned int sb_getmixer(sb_devc * devc, unsigned int port)
 944 {
 945         unsigned int val;
 946         unsigned long flags;
 947
 948         if (devc->model == MDL_ESS) return ess_getmixer (devc, port);
 949
 950         spin_lock_irqsave(&devc->lock, flags);
 951
 952         outb(((unsigned char) (port & 0xff)), MIXER_ADDR);
 953         udelay(20);
 954         val = inb(MIXER_DATA);
 955         udelay(20);
 956
 957         spin_unlock_irqrestore(&devc->lock, flags);
 958
 959         return val;
 960 }
 961
 962 void sb_chgmixer
 963         (sb_devc * devc, unsigned int reg, unsigned int mask, unsigned int val)
 964 {
 965         int value;
 966
 967         value = sb_getmixer(devc, reg);
 968         value = (value & ~mask) | (val & mask);
 969         sb_setmixer(devc, reg, value);
 970 }
 971
 972 /*
 973  *      MPU401 MIDI initialization.
 974  */
 975
 976 static void smw_putmem(sb_devc * devc, int base, int addr, unsigned char val)
 977 {
 978         unsigned long flags;
 979
 980         spin_lock_irqsave(&jazz16_lock, flags);  /* NOT the SB card? */
 981
 982         outb((addr & 0xff), base + 1);  /* Low address bits */
 983         outb((addr >> 8), base + 2);    /* High address bits */
 984         outb((val), base);      /* Data */
 985
 986         spin_unlock_irqrestore(&jazz16_lock, flags);
 987 }
 988
 989 static unsigned char smw_getmem(sb_devc * devc, int base, int addr)
 990 {
 991         unsigned long flags;
 992         unsigned char val;
 993
 994         spin_lock_irqsave(&jazz16_lock, flags);  /* NOT the SB card? */
 995
 996         outb((addr & 0xff), base + 1);  /* Low address bits */
 997         outb((addr >> 8), base + 2);    /* High address bits */
 998         val = inb(base);        /* Data */
 999
1000         spin_unlock_irqrestore(&jazz16_lock, flags);
1001         return val;
1002 }
1003
1004 static int smw_midi_init(sb_devc * devc, struct address_info *hw_config)
1005 {
1006         int mpu_base = hw_config->io_base;
1007         int mp_base = mpu_base + 4;             /* Microcontroller base */
1008         int i;
1009         unsigned char control;
1010
1011
1012         /*
1013          *  Reset the microcontroller so that the RAM can be accessed
1014          */
1015
1016         control = inb(mpu_base + 7);
1017         outb((control | 3), mpu_base + 7);      /* Set last two bits to 1 (?) */
1018         outb(((control & 0xfe) | 2), mpu_base + 7);     /* xxxxxxx0 resets the mc */
1019
1020         mdelay(3);      /* Wait at least 1ms */
1021
1022         outb((control & 0xfc), mpu_base + 7);   /* xxxxxx00 enables RAM */
1023
1024         /*
1025          *  Detect microcontroller by probing the 8k RAM area
1026          */
1027         smw_putmem(devc, mp_base, 0, 0x00);
1028         smw_putmem(devc, mp_base, 1, 0xff);
1029         udelay(10);
1030
1031         if (smw_getmem(devc, mp_base, 0) != 0x00 || smw_getmem(devc, mp_base, 1) != 0xff)
1032         {
1033                 DDB(printk("SM Wave: No microcontroller RAM detected (%02x, %02x)\n", smw_getmem(devc, mp_base, 0), smw_getmem(devc, mp_base, 1)));
1034                 return 0;       /* No RAM */
1035         }
1036         /*
1037          *  There is RAM so assume it's really a SM Wave
1038          */
1039
1040         devc->model = MDL_SMW;
1041         smw_mixer_init(devc);
1042
1043 #ifdef MODULE
1044         if (!smw_ucode)
1045         {
1046                 smw_ucodeLen = mod_firmware_load("/etc/sound/midi0001.bin", (void *) &smw_ucode);
1047                 smw_free = smw_ucode;
1048         }
1049 #endif
1050         if (smw_ucodeLen > 0)
1051         {
1052                 if (smw_ucodeLen != 8192)
1053                 {
1054                         printk(KERN_ERR "SM Wave: Invalid microcode (MIDI0001.BIN) length\n");
1055                         return 1;
1056                 }
1057                 /*
1058                  *  Download microcode
1059                  */
1060
1061                 for (i = 0; i < 8192; i++)
1062                         smw_putmem(devc, mp_base, i, smw_ucode[i]);
1063
1064                 /*
1065                  *  Verify microcode
1066                  */
1067
1068                 for (i = 0; i < 8192; i++)
1069                         if (smw_getmem(devc, mp_base, i) != smw_ucode[i])
1070                         {
1071                                 printk(KERN_ERR "SM Wave: Microcode verification failed\n");
1072                                 return 0;
1073                         }
1074         }
1075         control = 0;
1076 #ifdef SMW_SCSI_IRQ
1077         /*
1078          * Set the SCSI interrupt (IRQ2/9, IRQ3 or IRQ10). The SCSI interrupt
1079          * is disabled by default.
1080          *
1081          * FIXME - make this a module option
1082          *
1083          * BTW the Zilog 5380 SCSI controller is located at MPU base + 0x10.
1084          */
1085         {
1086                 static unsigned char scsi_irq_bits[] = {
1087                         0, 0, 3, 1, 0, 0, 0, 0, 0, 3, 2, 0, 0, 0, 0, 0
1088                 };
1089                 control |= scsi_irq_bits[SMW_SCSI_IRQ] << 6;
1090         }
1091 #endif
1092
1093 #ifdef SMW_OPL4_ENABLE
1094         /*
1095          *  Make the OPL4 chip visible on the PC bus at 0x380.
1096          *
1097          *  There is no need to enable this feature since this driver
1098          *  doesn't support OPL4 yet. Also there is no RAM in SM Wave so
1099          *  enabling OPL4 is pretty useless.
1100          */
1101         control |= 0x10;        /* Uses IRQ12 if bit 0x20 == 0 */
1102         /* control |= 0x20;      Uncomment this if you want to use IRQ7 */
1103 #endif
1104         outb((control | 0x03), mpu_base + 7);   /* xxxxxx11 restarts */
1105         hw_config->name = "SoundMan Wave";
1106         return 1;
1107 }
1108
1109 static int init_Jazz16_midi(sb_devc * devc, struct address_info *hw_config)
1110 {
1111         int mpu_base = hw_config->io_base;
1112         int sb_base = devc->base;
1113         int irq = hw_config->irq;
1114
1115         unsigned char bits = 0;
1116         unsigned long flags;
1117
1118         if (irq < 0)
1119                 irq *= -1;
1120
1121         if (irq < 1 || irq > 15 ||
1122             jazz_irq_bits[irq] == 0)
1123         {
1124                 printk(KERN_ERR "Jazz16: Invalid MIDI interrupt (IRQ%d)\n", irq);
1125                 return 0;
1126         }
1127         switch (sb_base)
1128         {
1129                 case 0x220:
1130                         bits = 1;
1131                         break;
1132                 case 0x240:
1133                         bits = 2;
1134                         break;
1135                 case 0x260:
1136                         bits = 3;
1137                         break;
1138                 default:
1139                         return 0;
1140         }
1141         bits = jazz16_bits = bits << 5;
1142         switch (mpu_base)
1143         {
1144                 case 0x310:
1145                         bits |= 1;
1146                         break;
1147                 case 0x320:
1148                         bits |= 2;
1149                         break;
1150                 case 0x330:
1151                         bits |= 3;
1152                         break;
1153                 default:
1154                         printk(KERN_ERR "Jazz16: Invalid MIDI I/O port %x\n", mpu_base);
1155                         return 0;
1156         }
1157         /*
1158          *      Magic wake up sequence by writing to 0x201 (aka Joystick port)
1159          */
1160         spin_lock_irqsave(&jazz16_lock, flags);
1161         outb(0xAF, 0x201);
1162         outb(0x50, 0x201);
1163         outb(bits, 0x201);
1164         spin_unlock_irqrestore(&jazz16_lock, flags);
1165
1166         hw_config->name = "Jazz16";
1167         smw_midi_init(devc, hw_config);
1168
1169         if (!sb_dsp_command(devc, 0xfb))
1170                 return 0;
1171
1172         if (!sb_dsp_command(devc, jazz_dma_bits[devc->dma8] |
1173                             (jazz_dma_bits[devc->dma16] << 4)))
1174                 return 0;
1175
1176         if (!sb_dsp_command(devc, jazz_irq_bits[devc->irq] |
1177                             (jazz_irq_bits[irq] << 4)))
1178                 return 0;
1179
1180         return 1;
1181 }
1182
1183 int probe_sbmpu(struct address_info *hw_config, struct module *owner)
1184 {
1185         sb_devc *devc = last_devc;
1186         int ret;
1187
1188         if (last_devc == NULL)
1189                 return 0;
1190
1191         last_devc = NULL;
1192
1193         if (hw_config->io_base <= 0)
1194         {
1195                 /* The real vibra16 is fine about this, but we have to go
1196                    wipe up after Cyrix again */
1197
1198                 if(devc->model == MDL_SB16 && devc->minor >= 12)
1199                 {
1200                         unsigned char   bits = sb_getmixer(devc, 0x84) & ~0x06;
1201                         sb_setmixer(devc, 0x84, bits | 0x02);           /* Disable MPU */
1202                 }
1203                 return 0;
1204         }
1205
1206 #if defined(CONFIG_SOUND_MPU401)
1207         if (devc->model == MDL_ESS)
1208         {
1209                 struct resource *ports;
1210                 ports = request_region(hw_config->io_base, 2, "mpu401");
1211                 if (!ports) {
1212                         printk(KERN_ERR "sbmpu: I/O port conflict (%x)\n", hw_config->io_base);
1213                         return 0;
1214                 }
1215                 if (!ess_midi_init(devc, hw_config)) {
1216                         release_region(hw_config->io_base, 2);
1217                         return 0;
1218                 }
1219                 hw_config->name = "ESS1xxx MPU";
1220                 devc->midi_irq_cookie = NULL;
1221                 if (!probe_mpu401(hw_config, ports)) {
1222                         release_region(hw_config->io_base, 2);
1223                         return 0;
1224                 }
1225                 attach_mpu401(hw_config, owner);
1226                 if (last_sb->irq == -hw_config->irq)
1227                         last_sb->midi_irq_cookie =
1228                                 (void *)(long) hw_config->slots[1];
1229                 return 1;
1230         }
1231 #endif
1232
1233         switch (devc->model)
1234         {
1235                 case MDL_SB16:
1236                         if (hw_config->io_base != 0x300 && hw_config->io_base != 0x330)
1237                         {
1238                                 printk(KERN_ERR "SB16: Invalid MIDI port %x\n", hw_config->io_base);
1239                                 return 0;
1240                         }
1241                         hw_config->name = "Sound Blaster 16";
1242                         if (hw_config->irq < 3 || hw_config->irq == devc->irq)
1243                                 hw_config->irq = -devc->irq;
1244                         if (devc->minor > 12)           /* What is Vibra's version??? */
1245                                 sb16_set_mpu_port(devc, hw_config);
1246                         break;
1247
1248                 case MDL_JAZZ:
1249                         if (hw_config->irq < 3 || hw_config->irq == devc->irq)
1250                                 hw_config->irq = -devc->irq;
1251                         if (!init_Jazz16_midi(devc, hw_config))
1252                                 return 0;
1253                         break;
1254
1255                 case MDL_YMPCI:
1256                         hw_config->name = "Yamaha PCI Legacy";
1257                         printk("Yamaha PCI legacy UART401 check.\n");
1258                         break;
1259                 default:
1260                         return 0;
1261         }
1262
1263         ret = probe_uart401(hw_config, owner);
1264         if (ret)
1265                 last_sb->midi_irq_cookie=midi_devs[hw_config->slots[4]]->devc;
1266         return ret;
1267 }
1268
1269 void unload_sbmpu(struct address_info *hw_config)
1270 {
1271 #if defined(CONFIG_SOUND_MPU401)
1272         if (!strcmp (hw_config->name, "ESS1xxx MPU")) {
1273                 unload_mpu401(hw_config);
1274                 return;
1275         }
1276 #endif
1277         unload_uart401(hw_config);
1278 }
1279
1280 EXPORT_SYMBOL(sb_dsp_init);
1281 EXPORT_SYMBOL(sb_dsp_detect);
1282 EXPORT_SYMBOL(sb_dsp_unload);
1283 EXPORT_SYMBOL(sb_be_quiet);
1284 EXPORT_SYMBOL(probe_sbmpu);
1285 EXPORT_SYMBOL(unload_sbmpu);
1286 EXPORT_SYMBOL(smw_free);
1287 MODULE_LICENSE("GPL");