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