linux/sound/isa/sb/sb16.c
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   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 *  Driver for SoundBlaster 16/AWE32/AWE64 soundcards
   4 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
   5 */
   6
   7#include <asm/dma.h>
   8#include <linux/init.h>
   9#include <linux/pnp.h>
  10#include <linux/err.h>
  11#include <linux/isa.h>
  12#include <linux/module.h>
  13#include <sound/core.h>
  14#include <sound/sb.h>
  15#include <sound/sb16_csp.h>
  16#include <sound/mpu401.h>
  17#include <sound/opl3.h>
  18#include <sound/emu8000.h>
  19#include <sound/seq_device.h>
  20#define SNDRV_LEGACY_FIND_FREE_IRQ
  21#define SNDRV_LEGACY_FIND_FREE_DMA
  22#include <sound/initval.h>
  23
  24#ifdef SNDRV_SBAWE
  25#define PFX "sbawe: "
  26#else
  27#define PFX "sb16: "
  28#endif
  29
  30MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  31MODULE_LICENSE("GPL");
  32#ifndef SNDRV_SBAWE
  33MODULE_DESCRIPTION("Sound Blaster 16");
  34MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB 16},"
  35                "{Creative Labs,SB Vibra16S},"
  36                "{Creative Labs,SB Vibra16C},"
  37                "{Creative Labs,SB Vibra16CL},"
  38                "{Creative Labs,SB Vibra16X}}");
  39#else
  40MODULE_DESCRIPTION("Sound Blaster AWE");
  41MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB AWE 32},"
  42                "{Creative Labs,SB AWE 64},"
  43                "{Creative Labs,SB AWE 64 Gold}}");
  44#endif
  45
  46#if 0
  47#define SNDRV_DEBUG_IRQ
  48#endif
  49
  50#if defined(SNDRV_SBAWE) && IS_ENABLED(CONFIG_SND_SEQUENCER)
  51#define SNDRV_SBAWE_EMU8000
  52#endif
  53
  54static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  55static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  56static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
  57#ifdef CONFIG_PNP
  58static bool isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
  59#endif
  60static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;     /* 0x220,0x240,0x260,0x280 */
  61static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x330,0x300 */
  62static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
  63#ifdef SNDRV_SBAWE_EMU8000
  64static long awe_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
  65#endif
  66static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;        /* 5,7,9,10 */
  67static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;       /* 0,1,3 */
  68static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;      /* 5,6,7 */
  69static int mic_agc[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
  70#ifdef CONFIG_SND_SB16_CSP
  71static int csp[SNDRV_CARDS];
  72#endif
  73#ifdef SNDRV_SBAWE_EMU8000
  74static int seq_ports[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 4};
  75#endif
  76
  77module_param_array(index, int, NULL, 0444);
  78MODULE_PARM_DESC(index, "Index value for SoundBlaster 16 soundcard.");
  79module_param_array(id, charp, NULL, 0444);
  80MODULE_PARM_DESC(id, "ID string for SoundBlaster 16 soundcard.");
  81module_param_array(enable, bool, NULL, 0444);
  82MODULE_PARM_DESC(enable, "Enable SoundBlaster 16 soundcard.");
  83#ifdef CONFIG_PNP
  84module_param_array(isapnp, bool, NULL, 0444);
  85MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");
  86#endif
  87module_param_hw_array(port, long, ioport, NULL, 0444);
  88MODULE_PARM_DESC(port, "Port # for SB16 driver.");
  89module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
  90MODULE_PARM_DESC(mpu_port, "MPU-401 port # for SB16 driver.");
  91module_param_hw_array(fm_port, long, ioport, NULL, 0444);
  92MODULE_PARM_DESC(fm_port, "FM port # for SB16 PnP driver.");
  93#ifdef SNDRV_SBAWE_EMU8000
  94module_param_hw_array(awe_port, long, ioport, NULL, 0444);
  95MODULE_PARM_DESC(awe_port, "AWE port # for SB16 PnP driver.");
  96#endif
  97module_param_hw_array(irq, int, irq, NULL, 0444);
  98MODULE_PARM_DESC(irq, "IRQ # for SB16 driver.");
  99module_param_hw_array(dma8, int, dma, NULL, 0444);
 100MODULE_PARM_DESC(dma8, "8-bit DMA # for SB16 driver.");
 101module_param_hw_array(dma16, int, dma, NULL, 0444);
 102MODULE_PARM_DESC(dma16, "16-bit DMA # for SB16 driver.");
 103module_param_array(mic_agc, int, NULL, 0444);
 104MODULE_PARM_DESC(mic_agc, "Mic Auto-Gain-Control switch.");
 105#ifdef CONFIG_SND_SB16_CSP
 106module_param_array(csp, int, NULL, 0444);
 107MODULE_PARM_DESC(csp, "ASP/CSP chip support.");
 108#endif
 109#ifdef SNDRV_SBAWE_EMU8000
 110module_param_array(seq_ports, int, NULL, 0444);
 111MODULE_PARM_DESC(seq_ports, "Number of sequencer ports for WaveTable synth.");
 112#endif
 113
 114#ifdef CONFIG_PNP
 115static int isa_registered;
 116static int pnp_registered;
 117#endif
 118
 119struct snd_card_sb16 {
 120        struct resource *fm_res;        /* used to block FM i/o region for legacy cards */
 121        struct snd_sb *chip;
 122#ifdef CONFIG_PNP
 123        int dev_no;
 124        struct pnp_dev *dev;
 125#ifdef SNDRV_SBAWE_EMU8000
 126        struct pnp_dev *devwt;
 127#endif
 128#endif
 129};
 130
 131#ifdef CONFIG_PNP
 132
 133static const struct pnp_card_device_id snd_sb16_pnpids[] = {
 134#ifndef SNDRV_SBAWE
 135        /* Sound Blaster 16 PnP */
 136        { .id = "CTL0024", .devs = { { "CTL0031" } } },
 137        /* Sound Blaster 16 PnP */
 138        { .id = "CTL0025", .devs = { { "CTL0031" } } },
 139        /* Sound Blaster 16 PnP */
 140        { .id = "CTL0026", .devs = { { "CTL0031" } } },
 141        /* Sound Blaster 16 PnP */
 142        { .id = "CTL0027", .devs = { { "CTL0031" } } },
 143        /* Sound Blaster 16 PnP */
 144        { .id = "CTL0028", .devs = { { "CTL0031" } } },
 145        /* Sound Blaster 16 PnP */
 146        { .id = "CTL0029", .devs = { { "CTL0031" } } },
 147        /* Sound Blaster 16 PnP */
 148        { .id = "CTL002a", .devs = { { "CTL0031" } } },
 149        /* Sound Blaster 16 PnP */
 150        /* Note: This card has also a CTL0051:StereoEnhance device!!! */
 151        { .id = "CTL002b", .devs = { { "CTL0031" } } },
 152        /* Sound Blaster 16 PnP */
 153        { .id = "CTL002c", .devs = { { "CTL0031" } } },
 154        /* Sound Blaster Vibra16S */
 155        { .id = "CTL0051", .devs = { { "CTL0001" } } },
 156        /* Sound Blaster Vibra16C */
 157        { .id = "CTL0070", .devs = { { "CTL0001" } } },
 158        /* Sound Blaster Vibra16CL - added by ctm@ardi.com */
 159        { .id = "CTL0080", .devs = { { "CTL0041" } } },
 160        /* Sound Blaster 16 'value' PnP. It says model ct4130 on the pcb, */
 161        /* but ct4131 on a sticker on the board.. */
 162        { .id = "CTL0086", .devs = { { "CTL0041" } } },
 163        /* Sound Blaster Vibra16X */
 164        { .id = "CTL00f0", .devs = { { "CTL0043" } } },
 165        /* Sound Blaster 16 (Virtual PC 2004) */
 166        { .id = "tBA03b0", .devs = { {.id="PNPb003" } } },
 167#else  /* SNDRV_SBAWE defined */
 168        /* Sound Blaster AWE 32 PnP */
 169        { .id = "CTL0035", .devs = { { "CTL0031" }, { "CTL0021" } } },
 170        /* Sound Blaster AWE 32 PnP */
 171        { .id = "CTL0039", .devs = { { "CTL0031" }, { "CTL0021" } } },
 172        /* Sound Blaster AWE 32 PnP */
 173        { .id = "CTL0042", .devs = { { "CTL0031" }, { "CTL0021" } } },
 174        /* Sound Blaster AWE 32 PnP */
 175        { .id = "CTL0043", .devs = { { "CTL0031" }, { "CTL0021" } } },
 176        /* Sound Blaster AWE 32 PnP */
 177        /* Note: This card has also a CTL0051:StereoEnhance device!!! */
 178        { .id = "CTL0044", .devs = { { "CTL0031" }, { "CTL0021" } } },
 179        /* Sound Blaster AWE 32 PnP */
 180        /* Note: This card has also a CTL0051:StereoEnhance device!!! */
 181        { .id = "CTL0045", .devs = { { "CTL0031" }, { "CTL0021" } } },
 182        /* Sound Blaster AWE 32 PnP */
 183        { .id = "CTL0046", .devs = { { "CTL0031" }, { "CTL0021" } } },
 184        /* Sound Blaster AWE 32 PnP */
 185        { .id = "CTL0047", .devs = { { "CTL0031" }, { "CTL0021" } } },
 186        /* Sound Blaster AWE 32 PnP */
 187        { .id = "CTL0048", .devs = { { "CTL0031" }, { "CTL0021" } } },
 188        /* Sound Blaster AWE 32 PnP */
 189        { .id = "CTL0054", .devs = { { "CTL0031" }, { "CTL0021" } } },
 190        /* Sound Blaster AWE 32 PnP */
 191        { .id = "CTL009a", .devs = { { "CTL0041" }, { "CTL0021" } } },
 192        /* Sound Blaster AWE 32 PnP */
 193        { .id = "CTL009c", .devs = { { "CTL0041" }, { "CTL0021" } } },
 194        /* Sound Blaster 32 PnP */
 195        { .id = "CTL009f", .devs = { { "CTL0041" }, { "CTL0021" } } },
 196        /* Sound Blaster AWE 64 PnP */
 197        { .id = "CTL009d", .devs = { { "CTL0042" }, { "CTL0022" } } },
 198        /* Sound Blaster AWE 64 PnP Gold */
 199        { .id = "CTL009e", .devs = { { "CTL0044" }, { "CTL0023" } } },
 200        /* Sound Blaster AWE 64 PnP Gold */
 201        { .id = "CTL00b2", .devs = { { "CTL0044" }, { "CTL0023" } } },
 202        /* Sound Blaster AWE 64 PnP */
 203        { .id = "CTL00c1", .devs = { { "CTL0042" }, { "CTL0022" } } },
 204        /* Sound Blaster AWE 64 PnP */
 205        { .id = "CTL00c3", .devs = { { "CTL0045" }, { "CTL0022" } } },
 206        /* Sound Blaster AWE 64 PnP */
 207        { .id = "CTL00c5", .devs = { { "CTL0045" }, { "CTL0022" } } },
 208        /* Sound Blaster AWE 64 PnP */
 209        { .id = "CTL00c7", .devs = { { "CTL0045" }, { "CTL0022" } } },
 210        /* Sound Blaster AWE 64 PnP */
 211        { .id = "CTL00e4", .devs = { { "CTL0045" }, { "CTL0022" } } },
 212        /* Sound Blaster AWE 64 PnP */
 213        { .id = "CTL00e9", .devs = { { "CTL0045" }, { "CTL0022" } } },
 214        /* Sound Blaster 16 PnP (AWE) */
 215        { .id = "CTL00ed", .devs = { { "CTL0041" }, { "CTL0070" } } },
 216        /* Generic entries */
 217        { .id = "CTLXXXX" , .devs = { { "CTL0031" }, { "CTL0021" } } },
 218        { .id = "CTLXXXX" , .devs = { { "CTL0041" }, { "CTL0021" } } },
 219        { .id = "CTLXXXX" , .devs = { { "CTL0042" }, { "CTL0022" } } },
 220        { .id = "CTLXXXX" , .devs = { { "CTL0044" }, { "CTL0023" } } },
 221        { .id = "CTLXXXX" , .devs = { { "CTL0045" }, { "CTL0022" } } },
 222#endif /* SNDRV_SBAWE */
 223        { .id = "", }
 224};
 225
 226MODULE_DEVICE_TABLE(pnp_card, snd_sb16_pnpids);
 227
 228#endif /* CONFIG_PNP */
 229
 230#ifdef SNDRV_SBAWE_EMU8000
 231#define DRIVER_NAME     "snd-card-sbawe"
 232#else
 233#define DRIVER_NAME     "snd-card-sb16"
 234#endif
 235
 236#ifdef CONFIG_PNP
 237
 238static int snd_card_sb16_pnp(int dev, struct snd_card_sb16 *acard,
 239                             struct pnp_card_link *card,
 240                             const struct pnp_card_device_id *id)
 241{
 242        struct pnp_dev *pdev;
 243        int err;
 244
 245        acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
 246        if (acard->dev == NULL)
 247                return -ENODEV; 
 248
 249#ifdef SNDRV_SBAWE_EMU8000
 250        acard->devwt = pnp_request_card_device(card, id->devs[1].id, acard->dev);
 251#endif
 252        /* Audio initialization */
 253        pdev = acard->dev;
 254
 255        err = pnp_activate_dev(pdev); 
 256        if (err < 0) { 
 257                snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n"); 
 258                return err; 
 259        } 
 260        port[dev] = pnp_port_start(pdev, 0);
 261        mpu_port[dev] = pnp_port_start(pdev, 1);
 262        fm_port[dev] = pnp_port_start(pdev, 2);
 263        dma8[dev] = pnp_dma(pdev, 0);
 264        dma16[dev] = pnp_dma(pdev, 1);
 265        irq[dev] = pnp_irq(pdev, 0);
 266        snd_printdd("pnp SB16: port=0x%lx, mpu port=0x%lx, fm port=0x%lx\n",
 267                        port[dev], mpu_port[dev], fm_port[dev]);
 268        snd_printdd("pnp SB16: dma1=%i, dma2=%i, irq=%i\n",
 269                        dma8[dev], dma16[dev], irq[dev]);
 270#ifdef SNDRV_SBAWE_EMU8000
 271        /* WaveTable initialization */
 272        pdev = acard->devwt;
 273        if (pdev != NULL) {
 274                err = pnp_activate_dev(pdev); 
 275                if (err < 0) { 
 276                        goto __wt_error; 
 277                } 
 278                awe_port[dev] = pnp_port_start(pdev, 0);
 279                snd_printdd("pnp SB16: wavetable port=0x%llx\n",
 280                                (unsigned long long)pnp_port_start(pdev, 0));
 281        } else {
 282__wt_error:
 283                if (pdev) {
 284                        pnp_release_card_device(pdev);
 285                        snd_printk(KERN_ERR PFX "WaveTable pnp configure failure\n");
 286                }
 287                acard->devwt = NULL;
 288                awe_port[dev] = -1;
 289        }
 290#endif
 291        return 0;
 292}
 293
 294#endif /* CONFIG_PNP */
 295
 296static void snd_sb16_free(struct snd_card *card)
 297{
 298        struct snd_card_sb16 *acard = card->private_data;
 299        
 300        if (acard == NULL)
 301                return;
 302        release_and_free_resource(acard->fm_res);
 303}
 304
 305#ifdef CONFIG_PNP
 306#define is_isapnp_selected(dev)         isapnp[dev]
 307#else
 308#define is_isapnp_selected(dev)         0
 309#endif
 310
 311static int snd_sb16_card_new(struct device *devptr, int dev,
 312                             struct snd_card **cardp)
 313{
 314        struct snd_card *card;
 315        int err;
 316
 317        err = snd_card_new(devptr, index[dev], id[dev], THIS_MODULE,
 318                           sizeof(struct snd_card_sb16), &card);
 319        if (err < 0)
 320                return err;
 321        card->private_free = snd_sb16_free;
 322        *cardp = card;
 323        return 0;
 324}
 325
 326static int snd_sb16_probe(struct snd_card *card, int dev)
 327{
 328        int xirq, xdma8, xdma16;
 329        struct snd_sb *chip;
 330        struct snd_card_sb16 *acard = card->private_data;
 331        struct snd_opl3 *opl3;
 332        struct snd_hwdep *synth = NULL;
 333#ifdef CONFIG_SND_SB16_CSP
 334        struct snd_hwdep *xcsp = NULL;
 335#endif
 336        unsigned long flags;
 337        int err;
 338
 339        xirq = irq[dev];
 340        xdma8 = dma8[dev];
 341        xdma16 = dma16[dev];
 342
 343        if ((err = snd_sbdsp_create(card,
 344                                    port[dev],
 345                                    xirq,
 346                                    snd_sb16dsp_interrupt,
 347                                    xdma8,
 348                                    xdma16,
 349                                    SB_HW_AUTO,
 350                                    &chip)) < 0)
 351                return err;
 352
 353        acard->chip = chip;
 354        if (chip->hardware != SB_HW_16) {
 355                snd_printk(KERN_ERR PFX "SB 16 chip was not detected at 0x%lx\n", port[dev]);
 356                return -ENODEV;
 357        }
 358        chip->mpu_port = mpu_port[dev];
 359        if (! is_isapnp_selected(dev) && (err = snd_sb16dsp_configure(chip)) < 0)
 360                return err;
 361
 362        if ((err = snd_sb16dsp_pcm(chip, 0)) < 0)
 363                return err;
 364
 365        strcpy(card->driver,
 366#ifdef SNDRV_SBAWE_EMU8000
 367                        awe_port[dev] > 0 ? "SB AWE" :
 368#endif
 369                        "SB16");
 370        strcpy(card->shortname, chip->name);
 371        sprintf(card->longname, "%s at 0x%lx, irq %i, dma ",
 372                chip->name,
 373                chip->port,
 374                xirq);
 375        if (xdma8 >= 0)
 376                sprintf(card->longname + strlen(card->longname), "%d", xdma8);
 377        if (xdma16 >= 0)
 378                sprintf(card->longname + strlen(card->longname), "%s%d",
 379                        xdma8 >= 0 ? "&" : "", xdma16);
 380
 381        if (chip->mpu_port > 0 && chip->mpu_port != SNDRV_AUTO_PORT) {
 382                if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_SB,
 383                                               chip->mpu_port,
 384                                               MPU401_INFO_IRQ_HOOK, -1,
 385                                               &chip->rmidi)) < 0)
 386                        return err;
 387                chip->rmidi_callback = snd_mpu401_uart_interrupt;
 388        }
 389
 390#ifdef SNDRV_SBAWE_EMU8000
 391        if (awe_port[dev] == SNDRV_AUTO_PORT)
 392                awe_port[dev] = 0; /* disable */
 393#endif
 394
 395        if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
 396                if (snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2,
 397                                    OPL3_HW_OPL3,
 398                                    acard->fm_res != NULL || fm_port[dev] == port[dev],
 399                                    &opl3) < 0) {
 400                        snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx\n",
 401                                   fm_port[dev], fm_port[dev] + 2);
 402                } else {
 403#ifdef SNDRV_SBAWE_EMU8000
 404                        int seqdev = awe_port[dev] > 0 ? 2 : 1;
 405#else
 406                        int seqdev = 1;
 407#endif
 408                        if ((err = snd_opl3_hwdep_new(opl3, 0, seqdev, &synth)) < 0)
 409                                return err;
 410                }
 411        }
 412
 413        if ((err = snd_sbmixer_new(chip)) < 0)
 414                return err;
 415
 416#ifdef CONFIG_SND_SB16_CSP
 417        /* CSP chip on SB16ASP/AWE32 */
 418        if ((chip->hardware == SB_HW_16) && csp[dev]) {
 419                snd_sb_csp_new(chip, synth != NULL ? 1 : 0, &xcsp);
 420                if (xcsp) {
 421                        chip->csp = xcsp->private_data;
 422                        chip->hardware = SB_HW_16CSP;
 423                } else {
 424                        snd_printk(KERN_INFO PFX "warning - CSP chip not detected on soundcard #%i\n", dev + 1);
 425                }
 426        }
 427#endif
 428#ifdef SNDRV_SBAWE_EMU8000
 429        if (awe_port[dev] > 0) {
 430                if ((err = snd_emu8000_new(card, 1, awe_port[dev],
 431                                           seq_ports[dev], NULL)) < 0) {
 432                        snd_printk(KERN_ERR PFX "fatal error - EMU-8000 synthesizer not detected at 0x%lx\n", awe_port[dev]);
 433
 434                        return err;
 435                }
 436        }
 437#endif
 438
 439        /* setup Mic AGC */
 440        spin_lock_irqsave(&chip->mixer_lock, flags);
 441        snd_sbmixer_write(chip, SB_DSP4_MIC_AGC,
 442                (snd_sbmixer_read(chip, SB_DSP4_MIC_AGC) & 0x01) |
 443                (mic_agc[dev] ? 0x00 : 0x01));
 444        spin_unlock_irqrestore(&chip->mixer_lock, flags);
 445
 446        if ((err = snd_card_register(card)) < 0)
 447                return err;
 448
 449        return 0;
 450}
 451
 452#ifdef CONFIG_PM
 453static int snd_sb16_suspend(struct snd_card *card, pm_message_t state)
 454{
 455        struct snd_card_sb16 *acard = card->private_data;
 456        struct snd_sb *chip = acard->chip;
 457
 458        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
 459        snd_sbmixer_suspend(chip);
 460        return 0;
 461}
 462
 463static int snd_sb16_resume(struct snd_card *card)
 464{
 465        struct snd_card_sb16 *acard = card->private_data;
 466        struct snd_sb *chip = acard->chip;
 467
 468        snd_sbdsp_reset(chip);
 469        snd_sbmixer_resume(chip);
 470        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
 471        return 0;
 472}
 473#endif
 474
 475static int snd_sb16_isa_probe1(int dev, struct device *pdev)
 476{
 477        struct snd_card_sb16 *acard;
 478        struct snd_card *card;
 479        int err;
 480
 481        err = snd_sb16_card_new(pdev, dev, &card);
 482        if (err < 0)
 483                return err;
 484
 485        acard = card->private_data;
 486        /* non-PnP FM port address is hardwired with base port address */
 487        fm_port[dev] = port[dev];
 488        /* block the 0x388 port to avoid PnP conflicts */
 489        acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");
 490#ifdef SNDRV_SBAWE_EMU8000
 491        /* non-PnP AWE port address is hardwired with base port address */
 492        awe_port[dev] = port[dev] + 0x400;
 493#endif
 494
 495        if ((err = snd_sb16_probe(card, dev)) < 0) {
 496                snd_card_free(card);
 497                return err;
 498        }
 499        dev_set_drvdata(pdev, card);
 500        return 0;
 501}
 502
 503
 504static int snd_sb16_isa_match(struct device *pdev, unsigned int dev)
 505{
 506        return enable[dev] && !is_isapnp_selected(dev);
 507}
 508
 509static int snd_sb16_isa_probe(struct device *pdev, unsigned int dev)
 510{
 511        int err;
 512        static int possible_irqs[] = {5, 9, 10, 7, -1};
 513        static int possible_dmas8[] = {1, 3, 0, -1};
 514        static int possible_dmas16[] = {5, 6, 7, -1};
 515
 516        if (irq[dev] == SNDRV_AUTO_IRQ) {
 517                if ((irq[dev] = snd_legacy_find_free_irq(possible_irqs)) < 0) {
 518                        snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
 519                        return -EBUSY;
 520                }
 521        }
 522        if (dma8[dev] == SNDRV_AUTO_DMA) {
 523                if ((dma8[dev] = snd_legacy_find_free_dma(possible_dmas8)) < 0) {
 524                        snd_printk(KERN_ERR PFX "unable to find a free 8-bit DMA\n");
 525                        return -EBUSY;
 526                }
 527        }
 528        if (dma16[dev] == SNDRV_AUTO_DMA) {
 529                if ((dma16[dev] = snd_legacy_find_free_dma(possible_dmas16)) < 0) {
 530                        snd_printk(KERN_ERR PFX "unable to find a free 16-bit DMA\n");
 531                        return -EBUSY;
 532                }
 533        }
 534
 535        if (port[dev] != SNDRV_AUTO_PORT)
 536                return snd_sb16_isa_probe1(dev, pdev);
 537        else {
 538                static int possible_ports[] = {0x220, 0x240, 0x260, 0x280};
 539                int i;
 540                for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
 541                        port[dev] = possible_ports[i];
 542                        err = snd_sb16_isa_probe1(dev, pdev);
 543                        if (! err)
 544                                return 0;
 545                }
 546                return err;
 547        }
 548}
 549
 550static int snd_sb16_isa_remove(struct device *pdev, unsigned int dev)
 551{
 552        snd_card_free(dev_get_drvdata(pdev));
 553        return 0;
 554}
 555
 556#ifdef CONFIG_PM
 557static int snd_sb16_isa_suspend(struct device *dev, unsigned int n,
 558                                pm_message_t state)
 559{
 560        return snd_sb16_suspend(dev_get_drvdata(dev), state);
 561}
 562
 563static int snd_sb16_isa_resume(struct device *dev, unsigned int n)
 564{
 565        return snd_sb16_resume(dev_get_drvdata(dev));
 566}
 567#endif
 568
 569#ifdef SNDRV_SBAWE
 570#define DEV_NAME "sbawe"
 571#else
 572#define DEV_NAME "sb16"
 573#endif
 574
 575static struct isa_driver snd_sb16_isa_driver = {
 576        .match          = snd_sb16_isa_match,
 577        .probe          = snd_sb16_isa_probe,
 578        .remove         = snd_sb16_isa_remove,
 579#ifdef CONFIG_PM
 580        .suspend        = snd_sb16_isa_suspend,
 581        .resume         = snd_sb16_isa_resume,
 582#endif
 583        .driver         = {
 584                .name   = DEV_NAME
 585        },
 586};
 587
 588
 589#ifdef CONFIG_PNP
 590static int snd_sb16_pnp_detect(struct pnp_card_link *pcard,
 591                               const struct pnp_card_device_id *pid)
 592{
 593        static int dev;
 594        struct snd_card *card;
 595        int res;
 596
 597        for ( ; dev < SNDRV_CARDS; dev++) {
 598                if (!enable[dev] || !isapnp[dev])
 599                        continue;
 600                res = snd_sb16_card_new(&pcard->card->dev, dev, &card);
 601                if (res < 0)
 602                        return res;
 603                if ((res = snd_card_sb16_pnp(dev, card->private_data, pcard, pid)) < 0 ||
 604                    (res = snd_sb16_probe(card, dev)) < 0) {
 605                        snd_card_free(card);
 606                        return res;
 607                }
 608                pnp_set_card_drvdata(pcard, card);
 609                dev++;
 610                return 0;
 611        }
 612
 613        return -ENODEV;
 614}
 615
 616static void snd_sb16_pnp_remove(struct pnp_card_link *pcard)
 617{
 618        snd_card_free(pnp_get_card_drvdata(pcard));
 619        pnp_set_card_drvdata(pcard, NULL);
 620}
 621
 622#ifdef CONFIG_PM
 623static int snd_sb16_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
 624{
 625        return snd_sb16_suspend(pnp_get_card_drvdata(pcard), state);
 626}
 627static int snd_sb16_pnp_resume(struct pnp_card_link *pcard)
 628{
 629        return snd_sb16_resume(pnp_get_card_drvdata(pcard));
 630}
 631#endif
 632
 633static struct pnp_card_driver sb16_pnpc_driver = {
 634        .flags = PNP_DRIVER_RES_DISABLE,
 635#ifdef SNDRV_SBAWE
 636        .name = "sbawe",
 637#else
 638        .name = "sb16",
 639#endif
 640        .id_table = snd_sb16_pnpids,
 641        .probe = snd_sb16_pnp_detect,
 642        .remove = snd_sb16_pnp_remove,
 643#ifdef CONFIG_PM
 644        .suspend = snd_sb16_pnp_suspend,
 645        .resume = snd_sb16_pnp_resume,
 646#endif
 647};
 648
 649#endif /* CONFIG_PNP */
 650
 651static int __init alsa_card_sb16_init(void)
 652{
 653        int err;
 654
 655        err = isa_register_driver(&snd_sb16_isa_driver, SNDRV_CARDS);
 656#ifdef CONFIG_PNP
 657        if (!err)
 658                isa_registered = 1;
 659
 660        err = pnp_register_card_driver(&sb16_pnpc_driver);
 661        if (!err)
 662                pnp_registered = 1;
 663
 664        if (isa_registered)
 665                err = 0;
 666#endif
 667        return err;
 668}
 669
 670static void __exit alsa_card_sb16_exit(void)
 671{
 672#ifdef CONFIG_PNP
 673        if (pnp_registered)
 674                pnp_unregister_card_driver(&sb16_pnpc_driver);
 675        if (isa_registered)
 676#endif
 677                isa_unregister_driver(&snd_sb16_isa_driver);
 678}
 679
 680module_init(alsa_card_sb16_init)
 681module_exit(alsa_card_sb16_exit)
 682