sound/isa/sc6000.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *  Driver for Gallant SC-6000 soundcard. This card is also known as
   4  *  Audio Excel DSP 16 or Zoltrix AV302.
   5  *  These cards use CompuMedia ASC-9308 chip + AD1848 codec.
   6  *  SC-6600 and SC-7000 cards are also supported. They are based on
   7  *  CompuMedia ASC-9408 chip and CS4231 codec.
   8  *
   9  *  Copyright (C) 2007 Krzysztof Helt <krzysztof.h1@wp.pl>
  10  *
  11  *  I don't have documentation for this card. I used the driver
  12  *  for OSS/Free included in the kernel source as reference.
  13  */
  14
  15 #include <linux/module.h>
  16 #include <linux/delay.h>
  17 #include <linux/isa.h>
  18 #include <linux/io.h>
  19 #include <asm/dma.h>
  20 #include <sound/core.h>
  21 #include <sound/wss.h>
  22 #include <sound/opl3.h>
  23 #include <sound/mpu401.h>
  24 #include <sound/control.h>
  25 #define SNDRV_LEGACY_FIND_FREE_IRQ
  26 #define SNDRV_LEGACY_FIND_FREE_DMA
  27 #include <sound/initval.h>
  28
  29 MODULE_AUTHOR("Krzysztof Helt");
  30 MODULE_DESCRIPTION("Gallant SC-6000");
  31 MODULE_LICENSE("GPL");
  32 MODULE_SUPPORTED_DEVICE("{{Gallant, SC-6000},"
  33                         "{AudioExcel, Audio Excel DSP 16},"
  34                         "{Zoltrix, AV302}}");
  35
  36 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  37 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  38 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
  39 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;     /* 0x220, 0x240 */
  40 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;        /* 5, 7, 9, 10, 11 */
  41 static long mss_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x530, 0xe80 */
  42 static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
  43                                                 /* 0x300, 0x310, 0x320, 0x330 */
  44 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;    /* 5, 7, 9, 10, 0 */
  45 static int dma[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;        /* 0, 1, 3 */
  46 static bool joystick[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = false };
  47
  48 module_param_array(index, int, NULL, 0444);
  49 MODULE_PARM_DESC(index, "Index value for sc-6000 based soundcard.");
  50 module_param_array(id, charp, NULL, 0444);
  51 MODULE_PARM_DESC(id, "ID string for sc-6000 based soundcard.");
  52 module_param_array(enable, bool, NULL, 0444);
  53 MODULE_PARM_DESC(enable, "Enable sc-6000 based soundcard.");
  54 module_param_hw_array(port, long, ioport, NULL, 0444);
  55 MODULE_PARM_DESC(port, "Port # for sc-6000 driver.");
  56 module_param_hw_array(mss_port, long, ioport, NULL, 0444);
  57 MODULE_PARM_DESC(mss_port, "MSS Port # for sc-6000 driver.");
  58 module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
  59 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for sc-6000 driver.");
  60 module_param_hw_array(irq, int, irq, NULL, 0444);
  61 MODULE_PARM_DESC(irq, "IRQ # for sc-6000 driver.");
  62 module_param_hw_array(mpu_irq, int, irq, NULL, 0444);
  63 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for sc-6000 driver.");
  64 module_param_hw_array(dma, int, dma, NULL, 0444);
  65 MODULE_PARM_DESC(dma, "DMA # for sc-6000 driver.");
  66 module_param_array(joystick, bool, NULL, 0444);
  67 MODULE_PARM_DESC(joystick, "Enable gameport.");
  68
  69 /*
  70  * Commands of SC6000's DSP (SBPRO+special).
  71  * Some of them are COMMAND_xx, in the future they may change.
  72  */
  73 #define WRITE_MDIRQ_CFG 0x50    /* Set M&I&DRQ mask (the real config)   */
  74 #define COMMAND_52      0x52    /*                                      */
  75 #define READ_HARD_CFG   0x58    /* Read Hardware Config (I/O base etc)  */
  76 #define COMMAND_5C      0x5c    /*                                      */
  77 #define COMMAND_60      0x60    /*                                      */
  78 #define COMMAND_66      0x66    /*                                      */
  79 #define COMMAND_6C      0x6c    /*                                      */
  80 #define COMMAND_6E      0x6e    /*                                      */
  81 #define COMMAND_88      0x88    /* Unknown command                      */
  82 #define DSP_INIT_MSS    0x8c    /* Enable Microsoft Sound System mode   */
  83 #define COMMAND_C5      0xc5    /*                                      */
  84 #define GET_DSP_VERSION 0xe1    /* Get DSP Version                      */
  85 #define GET_DSP_COPYRIGHT 0xe3  /* Get DSP Copyright                    */
  86
  87 /*
  88  * Offsets of SC6000 DSP I/O ports. The offset is added to base I/O port
  89  * to have the actual I/O port.
  90  * Register permissions are:
  91  * (wo) == Write Only
  92  * (ro) == Read  Only
  93  * (w-) == Write
  94  * (r-) == Read
  95  */
  96 #define DSP_RESET       0x06    /* offset of DSP RESET          (wo) */
  97 #define DSP_READ        0x0a    /* offset of DSP READ           (ro) */
  98 #define DSP_WRITE       0x0c    /* offset of DSP WRITE          (w-) */
  99 #define DSP_COMMAND     0x0c    /* offset of DSP COMMAND        (w-) */
 100 #define DSP_STATUS      0x0c    /* offset of DSP STATUS         (r-) */
 101 #define DSP_DATAVAIL    0x0e    /* offset of DSP DATA AVAILABLE (ro) */
 102
 103 #define PFX "sc6000: "
 104 #define DRV_NAME "SC-6000"
 105
 106 /* hardware dependent functions */
 107
 108 /*
 109  * sc6000_irq_to_softcfg - Decode irq number into cfg code.
 110  */
 111 static unsigned char sc6000_irq_to_softcfg(int irq)
 112 {
 113         unsigned char val = 0;
 114
 115         switch (irq) {
 116         case 5:
 117                 val = 0x28;
 118                 break;
 119         case 7:
 120                 val = 0x8;
 121                 break;
 122         case 9:
 123                 val = 0x10;
 124                 break;
 125         case 10:
 126                 val = 0x18;
 127                 break;
 128         case 11:
 129                 val = 0x20;
 130                 break;
 131         default:
 132                 break;
 133         }
 134         return val;
 135 }
 136
 137 /*
 138  * sc6000_dma_to_softcfg - Decode dma number into cfg code.
 139  */
 140 static unsigned char sc6000_dma_to_softcfg(int dma)
 141 {
 142         unsigned char val = 0;
 143
 144         switch (dma) {
 145         case 0:
 146                 val = 1;
 147                 break;
 148         case 1:
 149                 val = 2;
 150                 break;
 151         case 3:
 152                 val = 3;
 153                 break;
 154         default:
 155                 break;
 156         }
 157         return val;
 158 }
 159
 160 /*
 161  * sc6000_mpu_irq_to_softcfg - Decode MPU-401 irq number into cfg code.
 162  */
 163 static unsigned char sc6000_mpu_irq_to_softcfg(int mpu_irq)
 164 {
 165         unsigned char val = 0;
 166
 167         switch (mpu_irq) {
 168         case 5:
 169                 val = 4;
 170                 break;
 171         case 7:
 172                 val = 0x44;
 173                 break;
 174         case 9:
 175                 val = 0x84;
 176                 break;
 177         case 10:
 178                 val = 0xc4;
 179                 break;
 180         default:
 181                 break;
 182         }
 183         return val;
 184 }
 185
 186 static int sc6000_wait_data(char __iomem *vport)
 187 {
 188         int loop = 1000;
 189         unsigned char val = 0;
 190
 191         do {
 192                 val = ioread8(vport + DSP_DATAVAIL);
 193                 if (val & 0x80)
 194                         return 0;
 195                 cpu_relax();
 196         } while (loop--);
 197
 198         return -EAGAIN;
 199 }
 200
 201 static int sc6000_read(char __iomem *vport)
 202 {
 203         if (sc6000_wait_data(vport))
 204                 return -EBUSY;
 205
 206         return ioread8(vport + DSP_READ);
 207
 208 }
 209
 210 static int sc6000_write(char __iomem *vport, int cmd)
 211 {
 212         unsigned char val;
 213         int loop = 500000;
 214
 215         do {
 216                 val = ioread8(vport + DSP_STATUS);
 217                 /*
 218                  * DSP ready to receive data if bit 7 of val == 0
 219                  */
 220                 if (!(val & 0x80)) {
 221                         iowrite8(cmd, vport + DSP_COMMAND);
 222                         return 0;
 223                 }
 224                 cpu_relax();
 225         } while (loop--);
 226
 227         snd_printk(KERN_ERR "DSP Command (0x%x) timeout.\n", cmd);
 228
 229         return -EIO;
 230 }
 231
 232 static int sc6000_dsp_get_answer(char __iomem *vport, int command,
 233                                  char *data, int data_len)
 234 {
 235         int len = 0;
 236
 237         if (sc6000_write(vport, command)) {
 238                 snd_printk(KERN_ERR "CMD 0x%x: failed!\n", command);
 239                 return -EIO;
 240         }
 241
 242         do {
 243                 int val = sc6000_read(vport);
 244
 245                 if (val < 0)
 246                         break;
 247
 248                 data[len++] = val;
 249
 250         } while (len < data_len);
 251
 252         /*
 253          * If no more data available, return to the caller, no error if len>0.
 254          * We have no other way to know when the string is finished.
 255          */
 256         return len ? len : -EIO;
 257 }
 258
 259 static int sc6000_dsp_reset(char __iomem *vport)
 260 {
 261         iowrite8(1, vport + DSP_RESET);
 262         udelay(10);
 263         iowrite8(0, vport + DSP_RESET);
 264         udelay(20);
 265         if (sc6000_read(vport) == 0xaa)
 266                 return 0;
 267         return -ENODEV;
 268 }
 269
 270 /* detection and initialization */
 271 static int sc6000_hw_cfg_write(char __iomem *vport, const int *cfg)
 272 {
 273         if (sc6000_write(vport, COMMAND_6C) < 0) {
 274                 snd_printk(KERN_WARNING "CMD 0x%x: failed!\n", COMMAND_6C);
 275                 return -EIO;
 276         }
 277         if (sc6000_write(vport, COMMAND_5C) < 0) {
 278                 snd_printk(KERN_ERR "CMD 0x%x: failed!\n", COMMAND_5C);
 279                 return -EIO;
 280         }
 281         if (sc6000_write(vport, cfg[0]) < 0) {
 282                 snd_printk(KERN_ERR "DATA 0x%x: failed!\n", cfg[0]);
 283                 return -EIO;
 284         }
 285         if (sc6000_write(vport, cfg[1]) < 0) {
 286                 snd_printk(KERN_ERR "DATA 0x%x: failed!\n", cfg[1]);
 287                 return -EIO;
 288         }
 289         if (sc6000_write(vport, COMMAND_C5) < 0) {
 290                 snd_printk(KERN_ERR "CMD 0x%x: failed!\n", COMMAND_C5);
 291                 return -EIO;
 292         }
 293
 294         return 0;
 295 }
 296
 297 static int sc6000_cfg_write(char __iomem *vport, unsigned char softcfg)
 298 {
 299
 300         if (sc6000_write(vport, WRITE_MDIRQ_CFG)) {
 301                 snd_printk(KERN_ERR "CMD 0x%x: failed!\n", WRITE_MDIRQ_CFG);
 302                 return -EIO;
 303         }
 304         if (sc6000_write(vport, softcfg)) {
 305                 snd_printk(KERN_ERR "sc6000_cfg_write: failed!\n");
 306                 return -EIO;
 307         }
 308         return 0;
 309 }
 310
 311 static int sc6000_setup_board(char __iomem *vport, int config)
 312 {
 313         int loop = 10;
 314
 315         do {
 316                 if (sc6000_write(vport, COMMAND_88)) {
 317                         snd_printk(KERN_ERR "CMD 0x%x: failed!\n",
 318                                    COMMAND_88);
 319                         return -EIO;
 320                 }
 321         } while ((sc6000_wait_data(vport) < 0) && loop--);
 322
 323         if (sc6000_read(vport) < 0) {
 324                 snd_printk(KERN_ERR "sc6000_read after CMD 0x%x: failed\n",
 325                            COMMAND_88);
 326                 return -EIO;
 327         }
 328
 329         if (sc6000_cfg_write(vport, config))
 330                 return -ENODEV;
 331
 332         return 0;
 333 }
 334
 335 static int sc6000_init_mss(char __iomem *vport, int config,
 336                            char __iomem *vmss_port, int mss_config)
 337 {
 338         if (sc6000_write(vport, DSP_INIT_MSS)) {
 339                 snd_printk(KERN_ERR "sc6000_init_mss [0x%x]: failed!\n",
 340                            DSP_INIT_MSS);
 341                 return -EIO;
 342         }
 343
 344         msleep(10);
 345
 346         if (sc6000_cfg_write(vport, config))
 347                 return -EIO;
 348
 349         iowrite8(mss_config, vmss_port);
 350
 351         return 0;
 352 }
 353
 354 static void sc6000_hw_cfg_encode(char __iomem *vport, int *cfg,
 355                                  long xport, long xmpu,
 356                                  long xmss_port, int joystick)
 357 {
 358         cfg[0] = 0;
 359         cfg[1] = 0;
 360         if (xport == 0x240)
 361                 cfg[0] |= 1;
 362         if (xmpu != SNDRV_AUTO_PORT) {
 363                 cfg[0] |= (xmpu & 0x30) >> 2;
 364                 cfg[1] |= 0x20;
 365         }
 366         if (xmss_port == 0xe80)
 367                 cfg[0] |= 0x10;
 368         cfg[0] |= 0x40;         /* always set */
 369         if (!joystick)
 370                 cfg[0] |= 0x02;
 371         cfg[1] |= 0x80;         /* enable WSS system */
 372         cfg[1] &= ~0x40;        /* disable IDE */
 373         snd_printd("hw cfg %x, %x\n", cfg[0], cfg[1]);
 374 }
 375
 376 static int sc6000_init_board(char __iomem *vport,
 377                              char __iomem *vmss_port, int dev)
 378 {
 379         char answer[15];
 380         char version[2];
 381         int mss_config = sc6000_irq_to_softcfg(irq[dev]) |
 382                          sc6000_dma_to_softcfg(dma[dev]);
 383         int config = mss_config |
 384                      sc6000_mpu_irq_to_softcfg(mpu_irq[dev]);
 385         int err;
 386         int old = 0;
 387
 388         err = sc6000_dsp_reset(vport);
 389         if (err < 0) {
 390                 snd_printk(KERN_ERR "sc6000_dsp_reset: failed!\n");
 391                 return err;
 392         }
 393
 394         memset(answer, 0, sizeof(answer));
 395         err = sc6000_dsp_get_answer(vport, GET_DSP_COPYRIGHT, answer, 15);
 396         if (err <= 0) {
 397                 snd_printk(KERN_ERR "sc6000_dsp_copyright: failed!\n");
 398                 return -ENODEV;
 399         }
 400         /*
 401          * My SC-6000 card return "SC-6000" in DSPCopyright, so
 402          * if we have something different, we have to be warned.
 403          */
 404         if (strncmp("SC-6000", answer, 7))
 405                 snd_printk(KERN_WARNING "Warning: non SC-6000 audio card!\n");
 406
 407         if (sc6000_dsp_get_answer(vport, GET_DSP_VERSION, version, 2) < 2) {
 408                 snd_printk(KERN_ERR "sc6000_dsp_version: failed!\n");
 409                 return -ENODEV;
 410         }
 411         printk(KERN_INFO PFX "Detected model: %s, DSP version %d.%d\n",
 412                 answer, version[0], version[1]);
 413
 414         /* set configuration */
 415         sc6000_write(vport, COMMAND_5C);
 416         if (sc6000_read(vport) < 0)
 417                 old = 1;
 418
 419         if (!old) {
 420                 int cfg[2];
 421                 sc6000_hw_cfg_encode(vport, &cfg[0], port[dev], mpu_port[dev],
 422                                      mss_port[dev], joystick[dev]);
 423                 if (sc6000_hw_cfg_write(vport, cfg) < 0) {
 424                         snd_printk(KERN_ERR "sc6000_hw_cfg_write: failed!\n");
 425                         return -EIO;
 426                 }
 427         }
 428         err = sc6000_setup_board(vport, config);
 429         if (err < 0) {
 430                 snd_printk(KERN_ERR "sc6000_setup_board: failed!\n");
 431                 return -ENODEV;
 432         }
 433
 434         sc6000_dsp_reset(vport);
 435
 436         if (!old) {
 437                 sc6000_write(vport, COMMAND_60);
 438                 sc6000_write(vport, 0x02);
 439                 sc6000_dsp_reset(vport);
 440         }
 441
 442         err = sc6000_setup_board(vport, config);
 443         if (err < 0) {
 444                 snd_printk(KERN_ERR "sc6000_setup_board: failed!\n");
 445                 return -ENODEV;
 446         }
 447         err = sc6000_init_mss(vport, config, vmss_port, mss_config);
 448         if (err < 0) {
 449                 snd_printk(KERN_ERR "Cannot initialize "
 450                            "Microsoft Sound System mode.\n");
 451                 return -ENODEV;
 452         }
 453
 454         return 0;
 455 }
 456
 457 static int snd_sc6000_mixer(struct snd_wss *chip)
 458 {
 459         struct snd_card *card = chip->card;
 460         struct snd_ctl_elem_id id1, id2;
 461         int err;
 462
 463         memset(&id1, 0, sizeof(id1));
 464         memset(&id2, 0, sizeof(id2));
 465         id1.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
 466         id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
 467         /* reassign AUX0 to FM */
 468         strcpy(id1.name, "Aux Playback Switch");
 469         strcpy(id2.name, "FM Playback Switch");
 470         err = snd_ctl_rename_id(card, &id1, &id2);
 471         if (err < 0)
 472                 return err;
 473         strcpy(id1.name, "Aux Playback Volume");
 474         strcpy(id2.name, "FM Playback Volume");
 475         err = snd_ctl_rename_id(card, &id1, &id2);
 476         if (err < 0)
 477                 return err;
 478         /* reassign AUX1 to CD */
 479         strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
 480         strcpy(id2.name, "CD Playback Switch");
 481         err = snd_ctl_rename_id(card, &id1, &id2);
 482         if (err < 0)
 483                 return err;
 484         strcpy(id1.name, "Aux Playback Volume");
 485         strcpy(id2.name, "CD Playback Volume");
 486         err = snd_ctl_rename_id(card, &id1, &id2);
 487         if (err < 0)
 488                 return err;
 489         return 0;
 490 }
 491
 492 static int snd_sc6000_match(struct device *devptr, unsigned int dev)
 493 {
 494         if (!enable[dev])
 495                 return 0;
 496         if (port[dev] == SNDRV_AUTO_PORT) {
 497                 printk(KERN_ERR PFX "specify IO port\n");
 498                 return 0;
 499         }
 500         if (mss_port[dev] == SNDRV_AUTO_PORT) {
 501                 printk(KERN_ERR PFX "specify MSS port\n");
 502                 return 0;
 503         }
 504         if (port[dev] != 0x220 && port[dev] != 0x240) {
 505                 printk(KERN_ERR PFX "Port must be 0x220 or 0x240\n");
 506                 return 0;
 507         }
 508         if (mss_port[dev] != 0x530 && mss_port[dev] != 0xe80) {
 509                 printk(KERN_ERR PFX "MSS port must be 0x530 or 0xe80\n");
 510                 return 0;
 511         }
 512         if (irq[dev] != SNDRV_AUTO_IRQ && !sc6000_irq_to_softcfg(irq[dev])) {
 513                 printk(KERN_ERR PFX "invalid IRQ %d\n", irq[dev]);
 514                 return 0;
 515         }
 516         if (dma[dev] != SNDRV_AUTO_DMA && !sc6000_dma_to_softcfg(dma[dev])) {
 517                 printk(KERN_ERR PFX "invalid DMA %d\n", dma[dev]);
 518                 return 0;
 519         }
 520         if (mpu_port[dev] != SNDRV_AUTO_PORT &&
 521             (mpu_port[dev] & ~0x30L) != 0x300) {
 522                 printk(KERN_ERR PFX "invalid MPU-401 port %lx\n",
 523                         mpu_port[dev]);
 524                 return 0;
 525         }
 526         if (mpu_port[dev] != SNDRV_AUTO_PORT &&
 527             mpu_irq[dev] != SNDRV_AUTO_IRQ && mpu_irq[dev] != 0 &&
 528             !sc6000_mpu_irq_to_softcfg(mpu_irq[dev])) {
 529                 printk(KERN_ERR PFX "invalid MPU-401 IRQ %d\n", mpu_irq[dev]);
 530                 return 0;
 531         }
 532         return 1;
 533 }
 534
 535 static int snd_sc6000_probe(struct device *devptr, unsigned int dev)
 536 {
 537         static const int possible_irqs[] = { 5, 7, 9, 10, 11, -1 };
 538         static const int possible_dmas[] = { 1, 3, 0, -1 };
 539         int err;
 540         int xirq = irq[dev];
 541         int xdma = dma[dev];
 542         struct snd_card *card;
 543         struct snd_wss *chip;
 544         struct snd_opl3 *opl3;
 545         char __iomem **vport;
 546         char __iomem *vmss_port;
 547
 548
 549         err = snd_card_new(devptr, index[dev], id[dev], THIS_MODULE,
 550                            sizeof(vport), &card);
 551         if (err < 0)
 552                 return err;
 553
 554         vport = card->private_data;
 555         if (xirq == SNDRV_AUTO_IRQ) {
 556                 xirq = snd_legacy_find_free_irq(possible_irqs);
 557                 if (xirq < 0) {
 558                         snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
 559                         err = -EBUSY;
 560                         goto err_exit;
 561                 }
 562         }
 563
 564         if (xdma == SNDRV_AUTO_DMA) {
 565                 xdma = snd_legacy_find_free_dma(possible_dmas);
 566                 if (xdma < 0) {
 567                         snd_printk(KERN_ERR PFX "unable to find a free DMA\n");
 568                         err = -EBUSY;
 569                         goto err_exit;
 570                 }
 571         }
 572
 573         if (!request_region(port[dev], 0x10, DRV_NAME)) {
 574                 snd_printk(KERN_ERR PFX
 575                            "I/O port region is already in use.\n");
 576                 err = -EBUSY;
 577                 goto err_exit;
 578         }
 579         *vport = devm_ioport_map(devptr, port[dev], 0x10);
 580         if (*vport == NULL) {
 581                 snd_printk(KERN_ERR PFX
 582                            "I/O port cannot be iomapped.\n");
 583                 err = -EBUSY;
 584                 goto err_unmap1;
 585         }
 586
 587         /* to make it marked as used */
 588         if (!request_region(mss_port[dev], 4, DRV_NAME)) {
 589                 snd_printk(KERN_ERR PFX
 590                            "SC-6000 port I/O port region is already in use.\n");
 591                 err = -EBUSY;
 592                 goto err_unmap1;
 593         }
 594         vmss_port = devm_ioport_map(devptr, mss_port[dev], 4);
 595         if (!vmss_port) {
 596                 snd_printk(KERN_ERR PFX
 597                            "MSS port I/O cannot be iomapped.\n");
 598                 err = -EBUSY;
 599                 goto err_unmap2;
 600         }
 601
 602         snd_printd("Initializing BASE[0x%lx] IRQ[%d] DMA[%d] MIRQ[%d]\n",
 603                    port[dev], xirq, xdma,
 604                    mpu_irq[dev] == SNDRV_AUTO_IRQ ? 0 : mpu_irq[dev]);
 605
 606         err = sc6000_init_board(*vport, vmss_port, dev);
 607         if (err < 0)
 608                 goto err_unmap2;
 609
 610         err = snd_wss_create(card, mss_port[dev] + 4,  -1, xirq, xdma, -1,
 611                              WSS_HW_DETECT, 0, &chip);
 612         if (err < 0)
 613                 goto err_unmap2;
 614
 615         err = snd_wss_pcm(chip, 0);
 616         if (err < 0) {
 617                 snd_printk(KERN_ERR PFX
 618                            "error creating new WSS PCM device\n");
 619                 goto err_unmap2;
 620         }
 621         err = snd_wss_mixer(chip);
 622         if (err < 0) {
 623                 snd_printk(KERN_ERR PFX "error creating new WSS mixer\n");
 624                 goto err_unmap2;
 625         }
 626         err = snd_sc6000_mixer(chip);
 627         if (err < 0) {
 628                 snd_printk(KERN_ERR PFX "the mixer rewrite failed\n");
 629                 goto err_unmap2;
 630         }
 631         if (snd_opl3_create(card,
 632                             0x388, 0x388 + 2,
 633                             OPL3_HW_AUTO, 0, &opl3) < 0) {
 634                 snd_printk(KERN_ERR PFX "no OPL device at 0x%x-0x%x ?\n",
 635                            0x388, 0x388 + 2);
 636         } else {
 637                 err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
 638                 if (err < 0)
 639                         goto err_unmap2;
 640         }
 641
 642         if (mpu_port[dev] != SNDRV_AUTO_PORT) {
 643                 if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
 644                         mpu_irq[dev] = -1;
 645                 if (snd_mpu401_uart_new(card, 0,
 646                                         MPU401_HW_MPU401,
 647                                         mpu_port[dev], 0,
 648                                         mpu_irq[dev], NULL) < 0)
 649                         snd_printk(KERN_ERR "no MPU-401 device at 0x%lx ?\n",
 650                                         mpu_port[dev]);
 651         }
 652
 653         strcpy(card->driver, DRV_NAME);
 654         strcpy(card->shortname, "SC-6000");
 655         sprintf(card->longname, "Gallant SC-6000 at 0x%lx, irq %d, dma %d",
 656                 mss_port[dev], xirq, xdma);
 657
 658         err = snd_card_register(card);
 659         if (err < 0)
 660                 goto err_unmap2;
 661
 662         dev_set_drvdata(devptr, card);
 663         return 0;
 664
 665 err_unmap2:
 666         sc6000_setup_board(*vport, 0);
 667         release_region(mss_port[dev], 4);
 668 err_unmap1:
 669         release_region(port[dev], 0x10);
 670 err_exit:
 671         snd_card_free(card);
 672         return err;
 673 }
 674
 675 static int snd_sc6000_remove(struct device *devptr, unsigned int dev)
 676 {
 677         struct snd_card *card = dev_get_drvdata(devptr);
 678         char __iomem **vport = card->private_data;
 679
 680         if (sc6000_setup_board(*vport, 0) < 0)
 681                 snd_printk(KERN_WARNING "sc6000_setup_board failed on exit!\n");
 682
 683         release_region(port[dev], 0x10);
 684         release_region(mss_port[dev], 4);
 685
 686         snd_card_free(card);
 687         return 0;
 688 }
 689
 690 static struct isa_driver snd_sc6000_driver = {
 691         .match          = snd_sc6000_match,
 692         .probe          = snd_sc6000_probe,
 693         .remove         = snd_sc6000_remove,
 694         /* FIXME: suspend/resume */
 695         .driver         = {
 696                 .name   = DRV_NAME,
 697         },
 698 };
 699
 700
 701 module_isa_driver(snd_sc6000_driver, SNDRV_CARDS);