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/*

 *  Driver for SoundBlaster 16/AWE32/AWE64 soundcards

 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>

 *

 *

 *   This program is free software; you can redistribute it and/or modify

 *   it under the terms of the GNU General Public License as published by

 *   the Free Software Foundation; either version 2 of the License, or

 *   (at your option) any later version.

 *

 *   This program is distributed in the hope that it will be useful,

 *   but WITHOUT ANY WARRANTY; without even the implied warranty of

 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *   GNU General Public License for more details.

 *

 *   You should have received a copy of the GNU General Public License

 *   along with this program; if not, write to the Free Software

 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

 *

 */

#include <sound/driver.h>

#include <asm/dma.h>

#include <linux/init.h>

#include <linux/slab.h>

#include <linux/pnp.h>

#include <linux/err.h>

#include <linux/isa.h>

#include <linux/moduleparam.h>

#include <sound/core.h>

#include <sound/sb.h>

#include <sound/sb16_csp.h>

#include <sound/mpu401.h>

#include <sound/opl3.h>

#include <sound/emu8000.h>

#include <sound/seq_device.h>

#define SNDRV_LEGACY_FIND_FREE_IRQ

#define SNDRV_LEGACY_FIND_FREE_DMA

#include <sound/initval.h>

#ifdef SNDRV_SBAWE

#define PFX "sbawe: "

#else

#define PFX "sb16: "

#endif

MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");

MODULE_LICENSE("GPL");

#ifndef SNDRV_SBAWE

MODULE_DESCRIPTION("Sound Blaster 16");

MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB 16},"

                "{Creative Labs,SB Vibra16S},"

                "{Creative Labs,SB Vibra16C},"

                "{Creative Labs,SB Vibra16CL},"

                "{Creative Labs,SB Vibra16X}}");

#else

MODULE_DESCRIPTION("Sound Blaster AWE");

MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB AWE 32},"

                "{Creative Labs,SB AWE 64},"

                "{Creative Labs,SB AWE 64 Gold}}");

#endif

#if 0

#define SNDRV_DEBUG_IRQ

#endif

#if defined(SNDRV_SBAWE) && (defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE)))

#define SNDRV_SBAWE_EMU8000

#endif

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */

static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */

static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */

#ifdef CONFIG_PNP

static int isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};

#endif

static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;     /* 0x220,0x240,0x260,0x280 */

static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x330,0x300 */

static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;

#ifdef SNDRV_SBAWE_EMU8000

static long awe_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;

#endif

static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;        /* 5,7,9,10 */

static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;       /* 0,1,3 */

static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;      /* 5,6,7 */

static int mic_agc[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};

#ifdef CONFIG_SND_SB16_CSP

static int csp[SNDRV_CARDS];

#endif

#ifdef SNDRV_SBAWE_EMU8000

static int seq_ports[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 4};

#endif

module_param_array(index, int, NULL, 0444);

MODULE_PARM_DESC(index, "Index value for SoundBlaster 16 soundcard.");

module_param_array(id, charp, NULL, 0444);

MODULE_PARM_DESC(id, "ID string for SoundBlaster 16 soundcard.");

module_param_array(enable, bool, NULL, 0444);

MODULE_PARM_DESC(enable, "Enable SoundBlaster 16 soundcard.");

#ifdef CONFIG_PNP

module_param_array(isapnp, bool, NULL, 0444);

MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");

#endif

module_param_array(port, long, NULL, 0444);

MODULE_PARM_DESC(port, "Port # for SB16 driver.");

module_param_array(mpu_port, long, NULL, 0444);

MODULE_PARM_DESC(mpu_port, "MPU-401 port # for SB16 driver.");

module_param_array(fm_port, long, NULL, 0444);

MODULE_PARM_DESC(fm_port, "FM port # for SB16 PnP driver.");

#ifdef SNDRV_SBAWE_EMU8000

module_param_array(awe_port, long, NULL, 0444);

MODULE_PARM_DESC(awe_port, "AWE port # for SB16 PnP driver.");

#endif

module_param_array(irq, int, NULL, 0444);

MODULE_PARM_DESC(irq, "IRQ # for SB16 driver.");

module_param_array(dma8, int, NULL, 0444);

MODULE_PARM_DESC(dma8, "8-bit DMA # for SB16 driver.");

module_param_array(dma16, int, NULL, 0444);

MODULE_PARM_DESC(dma16, "16-bit DMA # for SB16 driver.");

module_param_array(mic_agc, int, NULL, 0444);

MODULE_PARM_DESC(mic_agc, "Mic Auto-Gain-Control switch.");

#ifdef CONFIG_SND_SB16_CSP

module_param_array(csp, int, NULL, 0444);

MODULE_PARM_DESC(csp, "ASP/CSP chip support.");

#endif

#ifdef SNDRV_SBAWE_EMU8000

module_param_array(seq_ports, int, NULL, 0444);

MODULE_PARM_DESC(seq_ports, "Number of sequencer ports for WaveTable synth.");

#endif

#ifdef CONFIG_PNP

static int isa_registered;

static int pnp_registered;

#endif

struct snd_card_sb16 {

        struct resource *fm_res;        /* used to block FM i/o region for legacy cards */

        struct snd_sb *chip;

#ifdef CONFIG_PNP

        int dev_no;

        struct pnp_dev *dev;

#ifdef SNDRV_SBAWE_EMU8000

        struct pnp_dev *devwt;

#endif

#endif

};

#ifdef CONFIG_PNP

static struct pnp_card_device_id snd_sb16_pnpids[] = {

#ifndef SNDRV_SBAWE

        /* Sound Blaster 16 PnP */

        { .id = "CTL0024", .devs = { { "CTL0031" } } },

        /* Sound Blaster 16 PnP */

        { .id = "CTL0025", .devs = { { "CTL0031" } } },

        /* Sound Blaster 16 PnP */

        { .id = "CTL0026", .devs = { { "CTL0031" } } },

        /* Sound Blaster 16 PnP */

        { .id = "CTL0027", .devs = { { "CTL0031" } } },

        /* Sound Blaster 16 PnP */

        { .id = "CTL0028", .devs = { { "CTL0031" } } },

        /* Sound Blaster 16 PnP */

        { .id = "CTL0029", .devs = { { "CTL0031" } } },

        /* Sound Blaster 16 PnP */

        { .id = "CTL002a", .devs = { { "CTL0031" } } },

        /* Sound Blaster 16 PnP */

        /* Note: This card has also a CTL0051:StereoEnhance device!!! */

        { .id = "CTL002b", .devs = { { "CTL0031" } } },

        /* Sound Blaster 16 PnP */

        { .id = "CTL002c", .devs = { { "CTL0031" } } },

        /* Sound Blaster Vibra16S */

        { .id = "CTL0051", .devs = { { "CTL0001" } } },

        /* Sound Blaster Vibra16C */

        { .id = "CTL0070", .devs = { { "CTL0001" } } },

        /* Sound Blaster Vibra16CL - added by ctm@ardi.com */

        { .id = "CTL0080", .devs = { { "CTL0041" } } },

        /* Sound Blaster 16 'value' PnP. It says model ct4130 on the pcb, */

        /* but ct4131 on a sticker on the board.. */

        { .id = "CTL0086", .devs = { { "CTL0041" } } },

        /* Sound Blaster Vibra16X */

        { .id = "CTL00f0", .devs = { { "CTL0043" } } },

        /* Sound Blaster 16 (Virtual PC 2004) */

        { .id = "tBA03b0", .devs = { {.id="PNPb003" } } },

#else  /* SNDRV_SBAWE defined */

        /* Sound Blaster AWE 32 PnP */

        { .id = "CTL0035", .devs = { { "CTL0031" }, { "CTL0021" } } },

        /* Sound Blaster AWE 32 PnP */

        { .id = "CTL0039", .devs = { { "CTL0031" }, { "CTL0021" } } },

        /* Sound Blaster AWE 32 PnP */

        { .id = "CTL0042", .devs = { { "CTL0031" }, { "CTL0021" } } },

        /* Sound Blaster AWE 32 PnP */

        { .id = "CTL0043", .devs = { { "CTL0031" }, { "CTL0021" } } },

        /* Sound Blaster AWE 32 PnP */

        /* Note: This card has also a CTL0051:StereoEnhance device!!! */

        { .id = "CTL0044", .devs = { { "CTL0031" }, { "CTL0021" } } },

        /* Sound Blaster AWE 32 PnP */

        /* Note: This card has also a CTL0051:StereoEnhance device!!! */

        { .id = "CTL0045", .devs = { { "CTL0031" }, { "CTL0021" } } },

        /* Sound Blaster AWE 32 PnP */

        { .id = "CTL0046", .devs = { { "CTL0031" }, { "CTL0021" } } },

        /* Sound Blaster AWE 32 PnP */

        { .id = "CTL0047", .devs = { { "CTL0031" }, { "CTL0021" } } },

        /* Sound Blaster AWE 32 PnP */

        { .id = "CTL0048", .devs = { { "CTL0031" }, { "CTL0021" } } },

        /* Sound Blaster AWE 32 PnP */

        { .id = "CTL0054", .devs = { { "CTL0031" }, { "CTL0021" } } },

        /* Sound Blaster AWE 32 PnP */

        { .id = "CTL009a", .devs = { { "CTL0041" }, { "CTL0021" } } },

        /* Sound Blaster AWE 32 PnP */

        { .id = "CTL009c", .devs = { { "CTL0041" }, { "CTL0021" } } },

        /* Sound Blaster 32 PnP */

        { .id = "CTL009f", .devs = { { "CTL0041" }, { "CTL0021" } } },

        /* Sound Blaster AWE 64 PnP */

        { .id = "CTL009d", .devs = { { "CTL0042" }, { "CTL0022" } } },

        /* Sound Blaster AWE 64 PnP Gold */

        { .id = "CTL009e", .devs = { { "CTL0044" }, { "CTL0023" } } },

        /* Sound Blaster AWE 64 PnP Gold */

        { .id = "CTL00b2", .devs = { { "CTL0044" }, { "CTL0023" } } },

        /* Sound Blaster AWE 64 PnP */

        { .id = "CTL00c1", .devs = { { "CTL0042" }, { "CTL0022" } } },

        /* Sound Blaster AWE 64 PnP */

        { .id = "CTL00c3", .devs = { { "CTL0045" }, { "CTL0022" } } },

        /* Sound Blaster AWE 64 PnP */

        { .id = "CTL00c5", .devs = { { "CTL0045" }, { "CTL0022" } } },

        /* Sound Blaster AWE 64 PnP */

        { .id = "CTL00c7", .devs = { { "CTL0045" }, { "CTL0022" } } },

        /* Sound Blaster AWE 64 PnP */

        { .id = "CTL00e4", .devs = { { "CTL0045" }, { "CTL0022" } } },

        /* Sound Blaster AWE 64 PnP */

        { .id = "CTL00e9", .devs = { { "CTL0045" }, { "CTL0022" } } },

        /* Sound Blaster 16 PnP (AWE) */

        { .id = "CTL00ed", .devs = { { "CTL0041" }, { "CTL0070" } } },

        /* Generic entries */

        { .id = "CTLXXXX" , .devs = { { "CTL0031" }, { "CTL0021" } } },

        { .id = "CTLXXXX" , .devs = { { "CTL0041" }, { "CTL0021" } } },

        { .id = "CTLXXXX" , .devs = { { "CTL0042" }, { "CTL0022" } } },

        { .id = "CTLXXXX" , .devs = { { "CTL0044" }, { "CTL0023" } } },

        { .id = "CTLXXXX" , .devs = { { "CTL0045" }, { "CTL0022" } } },

#endif /* SNDRV_SBAWE */

        { .id = "", }

};

MODULE_DEVICE_TABLE(pnp_card, snd_sb16_pnpids);

#endif /* CONFIG_PNP */

#ifdef SNDRV_SBAWE_EMU8000

#define DRIVER_NAME     "snd-card-sbawe"

#else

#define DRIVER_NAME     "snd-card-sb16"

#endif

#ifdef CONFIG_PNP

static int __devinit snd_card_sb16_pnp(int dev, struct snd_card_sb16 *acard,

                                       struct pnp_card_link *card,

                                       const struct pnp_card_device_id *id)

{

        struct pnp_dev *pdev;

        struct pnp_resource_table * cfg = kmalloc(sizeof(struct pnp_resource_table), GFP_KERNEL);

        int err;

        if (!cfg)

                return -ENOMEM;

        acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);

        if (acard->dev == NULL) {

                kfree(cfg);

                return -ENODEV;

        }

#ifdef SNDRV_SBAWE_EMU8000

        acard->devwt = pnp_request_card_device(card, id->devs[1].id, acard->dev);

#endif

        /* Audio initialization */

        pdev = acard->dev;

        pnp_init_resource_table(cfg);

        /* override resources */

        if (port[dev] != SNDRV_AUTO_PORT)

                pnp_resource_change(&cfg->port_resource[0], port[dev], 16);

        if (mpu_port[dev] != SNDRV_AUTO_PORT)

                pnp_resource_change(&cfg->port_resource[1], mpu_port[dev], 2);

        if (fm_port[dev] != SNDRV_AUTO_PORT)

                pnp_resource_change(&cfg->port_resource[2], fm_port[dev], 4);

        if (dma8[dev] != SNDRV_AUTO_DMA)

                pnp_resource_change(&cfg->dma_resource[0], dma8[dev], 1);

        if (dma16[dev] != SNDRV_AUTO_DMA)

                pnp_resource_change(&cfg->dma_resource[1], dma16[dev], 1);

        if (irq[dev] != SNDRV_AUTO_IRQ)

                pnp_resource_change(&cfg->irq_resource[0], irq[dev], 1);

        if (pnp_manual_config_dev(pdev, cfg, 0) < 0)

                snd_printk(KERN_ERR PFX "AUDIO the requested resources are invalid, using auto config\n");

        err = pnp_activate_dev(pdev);

        if (err < 0) {

                snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n");

                kfree(cfg);

                return err;

        }

        port[dev] = pnp_port_start(pdev, 0);

        mpu_port[dev] = pnp_port_start(pdev, 1);

        fm_port[dev] = pnp_port_start(pdev, 2);

        dma8[dev] = pnp_dma(pdev, 0);

        dma16[dev] = pnp_dma(pdev, 1);

        irq[dev] = pnp_irq(pdev, 0);

        snd_printdd("pnp SB16: port=0x%lx, mpu port=0x%lx, fm port=0x%lx\n",

                        port[dev], mpu_port[dev], fm_port[dev]);

        snd_printdd("pnp SB16: dma1=%i, dma2=%i, irq=%i\n",

                        dma8[dev], dma16[dev], irq[dev]);

#ifdef SNDRV_SBAWE_EMU8000

        /* WaveTable initialization */

        pdev = acard->devwt;

        if (pdev != NULL) {

                pnp_init_resource_table(cfg);

                /* override resources */

                if (awe_port[dev] != SNDRV_AUTO_PORT) {

                        pnp_resource_change(&cfg->port_resource[0], awe_port[dev], 4);

                        pnp_resource_change(&cfg->port_resource[1], awe_port[dev] + 0x400, 4);

                        pnp_resource_change(&cfg->port_resource[2], awe_port[dev] + 0x800, 4);

                }

                if ((pnp_manual_config_dev(pdev, cfg, 0)) < 0)

                        snd_printk(KERN_ERR PFX "WaveTable the requested resources are invalid, using auto config\n");

                err = pnp_activate_dev(pdev);

                if (err < 0) {

                        goto __wt_error;

                }

                awe_port[dev] = pnp_port_start(pdev, 0);

                snd_printdd("pnp SB16: wavetable port=0x%llx\n",

                                (unsigned long long)pnp_port_start(pdev, 0));

        } else {

__wt_error:

                if (pdev) {

                        pnp_release_card_device(pdev);

                        snd_printk(KERN_ERR PFX "WaveTable pnp configure failure\n");

                }

                acard->devwt = NULL;

                awe_port[dev] = -1;

        }

#endif

        kfree(cfg);

        return 0;

}

#endif /* CONFIG_PNP */

static void snd_sb16_free(struct snd_card *card)

{

        struct snd_card_sb16 *acard = card->private_data;

        if (acard == NULL)

                return;

        release_and_free_resource(acard->fm_res);

}

#ifdef CONFIG_PNP

#define is_isapnp_selected(dev)         isapnp[dev]

#else

#define is_isapnp_selected(dev)         0

#endif

static struct snd_card *snd_sb16_card_new(int dev)

{

        struct snd_card *card = snd_card_new(index[dev], id[dev], THIS_MODULE,

                                        sizeof(struct snd_card_sb16));

        if (card == NULL)

                return NULL;

        card->private_free = snd_sb16_free;

        return card;

}

static int __devinit snd_sb16_probe(struct snd_card *card, int dev)

{

        int xirq, xdma8, xdma16;

        struct snd_sb *chip;

        struct snd_card_sb16 *acard = card->private_data;

        struct snd_opl3 *opl3;

        struct snd_hwdep *synth = NULL;

#ifdef CONFIG_SND_SB16_CSP

        struct snd_hwdep *xcsp = NULL;

#endif

        unsigned long flags;

        int err;

        xirq = irq[dev];

        xdma8 = dma8[dev];

        xdma16 = dma16[dev];

        if ((err = snd_sbdsp_create(card,

                                    port[dev],

                                    xirq,

                                    snd_sb16dsp_interrupt,

                                    xdma8,

                                    xdma16,

                                    SB_HW_AUTO,

                                    &chip)) < 0)

                return err;

        acard->chip = chip;

        if (chip->hardware != SB_HW_16) {

                snd_printk(KERN_ERR PFX "SB 16 chip was not detected at 0x%lx\n", port[dev]);

                return -ENODEV;

        }

        chip->mpu_port = mpu_port[dev];

        if (! is_isapnp_selected(dev) && (err = snd_sb16dsp_configure(chip)) < 0)

                return err;

        if ((err = snd_sb16dsp_pcm(chip, 0, &chip->pcm)) < 0)

                return err;

        strcpy(card->driver,

#ifdef SNDRV_SBAWE_EMU8000

                        awe_port[dev] > 0 ? "SB AWE" :

#endif

                        "SB16");

        strcpy(card->shortname, chip->name);

        sprintf(card->longname, "%s at 0x%lx, irq %i, dma ",

                chip->name,

                chip->port,

                xirq);

        if (xdma8 >= 0)

                sprintf(card->longname + strlen(card->longname), "%d", xdma8);

        if (xdma16 >= 0)

                sprintf(card->longname + strlen(card->longname), "%s%d",

                        xdma8 >= 0 ? "&" : "", xdma16);

        if (chip->mpu_port > 0 && chip->mpu_port != SNDRV_AUTO_PORT) {

                if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_SB,

                                               chip->mpu_port, 0,

                                               xirq, 0, &chip->rmidi)) < 0)

                        return err;

                chip->rmidi_callback = snd_mpu401_uart_interrupt;

        }

#ifdef SNDRV_SBAWE_EMU8000

        if (awe_port[dev] == SNDRV_AUTO_PORT)

                awe_port[dev] = 0; /* disable */

#endif

        if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {

                if (snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2,

                                    OPL3_HW_OPL3,

                                    acard->fm_res != NULL || fm_port[dev] == port[dev],

                                    &opl3) < 0) {

                        snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx\n",

                                   fm_port[dev], fm_port[dev] + 2);

                } else {

#ifdef SNDRV_SBAWE_EMU8000

                        int seqdev = awe_port[dev] > 0 ? 2 : 1;

#else

                        int seqdev = 1;

#endif

                        if ((err = snd_opl3_hwdep_new(opl3, 0, seqdev, &synth)) < 0)

                                return err;

                }

        }

        if ((err = snd_sbmixer_new(chip)) < 0)

                return err;

#ifdef CONFIG_SND_SB16_CSP

        /* CSP chip on SB16ASP/AWE32 */

        if ((chip->hardware == SB_HW_16) && csp[dev]) {

                snd_sb_csp_new(chip, synth != NULL ? 1 : 0, &xcsp);

                if (xcsp) {

                        chip->csp = xcsp->private_data;

                        chip->hardware = SB_HW_16CSP;

                } else {

                        snd_printk(KERN_INFO PFX "warning - CSP chip not detected on soundcard #%i\n", dev + 1);

                }

        }

#endif

#ifdef SNDRV_SBAWE_EMU8000

        if (awe_port[dev] > 0) {

                if ((err = snd_emu8000_new(card, 1, awe_port[dev],

                                           seq_ports[dev], NULL)) < 0) {

                        snd_printk(KERN_ERR PFX "fatal error - EMU-8000 synthesizer not detected at 0x%lx\n", awe_port[dev]);

                        return err;

                }

        }

#endif

        /* setup Mic AGC */

        spin_lock_irqsave(&chip->mixer_lock, flags);

        snd_sbmixer_write(chip, SB_DSP4_MIC_AGC,

                (snd_sbmixer_read(chip, SB_DSP4_MIC_AGC) & 0x01) |

                (mic_agc[dev] ? 0x00 : 0x01));

        spin_unlock_irqrestore(&chip->mixer_lock, flags);

        if ((err = snd_card_register(card)) < 0)

                return err;

        return 0;

}

#ifdef CONFIG_PM

static int snd_sb16_suspend(struct snd_card *card, pm_message_t state)

{

        struct snd_card_sb16 *acard = card->private_data;

        struct snd_sb *chip = acard->chip;

        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);

        snd_pcm_suspend_all(chip->pcm);

        snd_sbmixer_suspend(chip);

        return 0;

}

static int snd_sb16_resume(struct snd_card *card)

{

        struct snd_card_sb16 *acard = card->private_data;

        struct snd_sb *chip = acard->chip;

        snd_sbdsp_reset(chip);

        snd_sbmixer_resume(chip);

        snd_power_change_state(card, SNDRV_CTL_POWER_D0);

        return 0;

}

#endif

static int __devinit snd_sb16_isa_probe1(int dev, struct device *pdev)

{

        struct snd_card_sb16 *acard;

        struct snd_card *card;

        int err;

        card = snd_sb16_card_new(dev);

        if (! card)

                return -ENOMEM;

        acard = card->private_data;

        /* non-PnP FM port address is hardwired with base port address */

        fm_port[dev] = port[dev];

        /* block the 0x388 port to avoid PnP conflicts */

        acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");

#ifdef SNDRV_SBAWE_EMU8000

        /* non-PnP AWE port address is hardwired with base port address */

        awe_port[dev] = port[dev] + 0x400;

#endif

        snd_card_set_dev(card, pdev);

        if ((err = snd_sb16_probe(card, dev)) < 0) {

                snd_card_free(card);

                return err;

        }

        dev_set_drvdata(pdev, card);

        return 0;

}

static int __devinit snd_sb16_isa_match(struct device *pdev, unsigned int dev)

{

        return enable[dev] && !is_isapnp_selected(dev);

}

static int __devinit snd_sb16_isa_probe(struct device *pdev, unsigned int dev)

{

        int err;

        static int possible_irqs[] = {5, 9, 10, 7, -1};

        static int possible_dmas8[] = {1, 3, 0, -1};

        static int possible_dmas16[] = {5, 6, 7, -1};

        if (irq[dev] == SNDRV_AUTO_IRQ) {

                if ((irq[dev] = snd_legacy_find_free_irq(possible_irqs)) < 0) {

                        snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");

                        return -EBUSY;

                }

        }

        if (dma8[dev] == SNDRV_AUTO_DMA) {

                if ((dma8[dev] = snd_legacy_find_free_dma(possible_dmas8)) < 0) {

                        snd_printk(KERN_ERR PFX "unable to find a free 8-bit DMA\n");

                        return -EBUSY;

                }