interwave.c

Go to the documentation of this file.

/*
 *  Driver for AMD InterWave soundcard
 *  Copyright (c) by Jaroslav Kysela <[email protected]>
 *
 *
 *   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
 *
 *   1999/07/22     Erik Inge Bolso <[email protected]>
 *          * mixer group handlers
 *
 */

#include <linux/init.h>
#include <linux/err.h>
#include <linux/isa.h>
#include <linux/delay.h>
#include <linux/pnp.h>
#include <linux/module.h>
#include <asm/dma.h>
#include <sound/core.h>
#include <sound/gus.h>
#include <sound/wss.h>
#ifdef SNDRV_STB
#include <sound/tea6330t.h>
#endif
#define SNDRV_LEGACY_FIND_FREE_IRQ
#define SNDRV_LEGACY_FIND_FREE_DMA
#include <sound/initval.h>

MODULE_AUTHOR("Jaroslav Kysela <[email protected]>");
MODULE_LICENSE("GPL");
#ifndef SNDRV_STB
MODULE_DESCRIPTION("AMD InterWave");
MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound Plug & Play},"
        "{STB,SoundRage32},"
        "{MED,MED3210},"
        "{Dynasonix,Dynasonix Pro},"
        "{Panasonic,PCA761AW}}");
#else
MODULE_DESCRIPTION("AMD InterWave STB with TEA6330T");
MODULE_SUPPORTED_DEVICE("{{AMD,InterWave STB with TEA6330T}}");
#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 bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
#ifdef CONFIG_PNP
static bool isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
#endif
static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x210,0x220,0x230,0x240,0x250,0x260 */
#ifdef SNDRV_STB
static long port_tc[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;  /* 0x350,0x360,0x370,0x380 */
#endif
static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;    /* 2,3,5,9,11,12,15 */
static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;   /* 0,1,3,5,6,7 */
static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;   /* 0,1,3,5,6,7 */
static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
                /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
static int midi[SNDRV_CARDS];
static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
static int effect[SNDRV_CARDS];

#ifdef SNDRV_STB
#define PFX "interwave-stb: "
#define INTERWAVE_DRIVER    "snd_interwave_stb"
#define INTERWAVE_PNP_DRIVER    "interwave-stb"
#else
#define PFX "interwave: "
#define INTERWAVE_DRIVER    "snd_interwave"
#define INTERWAVE_PNP_DRIVER    "interwave"
#endif

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for InterWave soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for InterWave soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable InterWave soundcard.");
#ifdef CONFIG_PNP
module_param_array(isapnp, bool, NULL, 0444);
MODULE_PARM_DESC(isapnp, "ISA PnP detection for specified soundcard.");
#endif
module_param_array(port, long, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for InterWave driver.");
#ifdef SNDRV_STB
module_param_array(port_tc, long, NULL, 0444);
MODULE_PARM_DESC(port_tc, "Tone control (TEA6330T - i2c bus) port # for InterWave driver.");
#endif
module_param_array(irq, int, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for InterWave driver.");
module_param_array(dma1, int, NULL, 0444);
MODULE_PARM_DESC(dma1, "DMA1 # for InterWave driver.");
module_param_array(dma2, int, NULL, 0444);
MODULE_PARM_DESC(dma2, "DMA2 # for InterWave driver.");
module_param_array(joystick_dac, int, NULL, 0444);
MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for InterWave driver.");
module_param_array(midi, int, NULL, 0444);
MODULE_PARM_DESC(midi, "MIDI UART enable for InterWave driver.");
module_param_array(pcm_channels, int, NULL, 0444);
MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for InterWave driver.");
module_param_array(effect, int, NULL, 0444);
MODULE_PARM_DESC(effect, "Effects enable for InterWave driver.");

struct snd_interwave {
    int irq;
    struct snd_card *card;
    struct snd_gus_card *gus;
    struct snd_wss *wss;
#ifdef SNDRV_STB
    struct resource *i2c_res;
#endif
    unsigned short gus_status_reg;
    unsigned short pcm_status_reg;
#ifdef CONFIG_PNP
    struct pnp_dev *dev;
#ifdef SNDRV_STB
    struct pnp_dev *devtc;
#endif
#endif
};


#ifdef CONFIG_PNP
static int isa_registered;
static int pnp_registered;

static struct pnp_card_device_id snd_interwave_pnpids[] = {
#ifndef SNDRV_STB
    /* Gravis UltraSound Plug & Play */
    { .id = "GRV0001", .devs = { { .id = "GRV0000" } } },
    /* STB SoundRage32 */
    { .id = "STB011a", .devs = { { .id = "STB0010" } } },
    /* MED3210 */
    { .id = "DXP3201", .devs = { { .id = "DXP0010" } } },
    /* Dynasonic Pro */
    /* This device also have CDC1117:DynaSonix Pro Audio Effects Processor */
    { .id = "CDC1111", .devs = { { .id = "CDC1112" } } },
    /* Panasonic PCA761AW Audio Card */
    { .id = "ADV55ff", .devs = { { .id = "ADV0010" } } },
    /* InterWave STB without TEA6330T */
    { .id = "ADV550a", .devs = { { .id = "ADV0010" } } },
#else
    /* InterWave STB with TEA6330T */
    { .id = "ADV550a", .devs = { { .id = "ADV0010" }, { .id = "ADV0015" } } },
#endif
    { .id = "" }
};

MODULE_DEVICE_TABLE(pnp_card, snd_interwave_pnpids);

#endif /* CONFIG_PNP */


#ifdef SNDRV_STB
static void snd_interwave_i2c_setlines(struct snd_i2c_bus *bus, int ctrl, int data)
{
    unsigned long port = bus->private_value;

#if 0
    printk(KERN_DEBUG "i2c_setlines - 0x%lx <- %i,%i\n", port, ctrl, data);
#endif
    outb((data << 1) | ctrl, port);
    udelay(10);
}

static int snd_interwave_i2c_getclockline(struct snd_i2c_bus *bus)
{
    unsigned long port = bus->private_value;
    unsigned char res;

    res = inb(port) & 1;
#if 0
    printk(KERN_DEBUG "i2c_getclockline - 0x%lx -> %i\n", port, res);
#endif
    return res;
}

static int snd_interwave_i2c_getdataline(struct snd_i2c_bus *bus, int ack)
{
    unsigned long port = bus->private_value;
    unsigned char res;

    if (ack)
        udelay(10);
    res = (inb(port) & 2) >> 1;
#if 0
    printk(KERN_DEBUG "i2c_getdataline - 0x%lx -> %i\n", port, res);
#endif
    return res;
}

static struct snd_i2c_bit_ops snd_interwave_i2c_bit_ops = {
    .setlines = snd_interwave_i2c_setlines,
    .getclock = snd_interwave_i2c_getclockline,
    .getdata  = snd_interwave_i2c_getdataline,
};

static int __devinit snd_interwave_detect_stb(struct snd_interwave *iwcard,
                          struct snd_gus_card * gus, int dev,
                          struct snd_i2c_bus **rbus)
{
    unsigned long port;
    struct snd_i2c_bus *bus;
    struct snd_card *card = iwcard->card;
    char name[32];
    int err;

    *rbus = NULL;
    port = port_tc[dev];
    if (port == SNDRV_AUTO_PORT) {
        port = 0x350;
        if (gus->gf1.port == 0x250) {
            port = 0x360;
        }
        while (port <= 0x380) {
            if ((iwcard->i2c_res = request_region(port, 1, "InterWave (I2C bus)")) != NULL)
                break;
            port += 0x10;
        }
    } else {
        iwcard->i2c_res = request_region(port, 1, "InterWave (I2C bus)");
    }
    if (iwcard->i2c_res == NULL) {
        snd_printk(KERN_ERR "interwave: can't grab i2c bus port\n");
        return -ENODEV;
    }

    sprintf(name, "InterWave-%i", card->number);
    if ((err = snd_i2c_bus_create(card, name, NULL, &bus)) < 0)
        return err;
    bus->private_value = port;
    bus->hw_ops.bit = &snd_interwave_i2c_bit_ops;
    if ((err = snd_tea6330t_detect(bus, 0)) < 0)
        return err;
    *rbus = bus;
    return 0;
}
#endif

static int __devinit snd_interwave_detect(struct snd_interwave *iwcard,
                          struct snd_gus_card * gus,
                          int dev
#ifdef SNDRV_STB
                          , struct snd_i2c_bus **rbus
#endif
                          )
{
    unsigned long flags;
    unsigned char rev1, rev2;
    int d;

    snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0);   /* reset GF1 */
    if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
        snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
        return -ENODEV;
    }
    udelay(160);
    snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1);   /* release reset */
    udelay(160);
    if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
        snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
        return -ENODEV;
    }
    spin_lock_irqsave(&gus->reg_lock, flags);
    rev1 = snd_gf1_look8(gus, SNDRV_GF1_GB_VERSION_NUMBER);
    snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, ~rev1);
    rev2 = snd_gf1_look8(gus, SNDRV_GF1_GB_VERSION_NUMBER);
    snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, rev1);
    spin_unlock_irqrestore(&gus->reg_lock, flags);
    snd_printdd("[0x%lx] InterWave check - rev1=0x%x, rev2=0x%x\n", gus->gf1.port, rev1, rev2);
    if ((rev1 & 0xf0) == (rev2 & 0xf0) &&
        (rev1 & 0x0f) != (rev2 & 0x0f)) {
        snd_printdd("[0x%lx] InterWave check - passed\n", gus->gf1.port);
        gus->interwave = 1;
        strcpy(gus->card->shortname, "AMD InterWave");
        gus->revision = rev1 >> 4;
#ifndef SNDRV_STB
        return 0;   /* ok.. We have an InterWave board */
#else
        return snd_interwave_detect_stb(iwcard, gus, dev, rbus);
#endif
    }
    snd_printdd("[0x%lx] InterWave check - failed\n", gus->gf1.port);
    return -ENODEV;
}

static irqreturn_t snd_interwave_interrupt(int irq, void *dev_id)
{
    struct snd_interwave *iwcard = dev_id;
    int loop, max = 5;
    int handled = 0;

    do {
        loop = 0;
        if (inb(iwcard->gus_status_reg)) {
            handled = 1;
            snd_gus_interrupt(irq, iwcard->gus);
            loop++;
        }
        if (inb(iwcard->pcm_status_reg) & 0x01) {   /* IRQ bit is set? */
            handled = 1;
            snd_wss_interrupt(irq, iwcard->wss);
            loop++;
        }
    } while (loop && --max > 0);
    return IRQ_RETVAL(handled);
}

static void __devinit snd_interwave_reset(struct snd_gus_card * gus)
{
    snd_gf1_write8(gus, SNDRV_GF1_GB_RESET, 0x00);
    udelay(160);
    snd_gf1_write8(gus, SNDRV_GF1_GB_RESET, 0x01);
    udelay(160);
}

static void __devinit snd_interwave_bank_sizes(struct snd_gus_card * gus, int *sizes)
{
    unsigned int idx;
    unsigned int local;
    unsigned char d;

    for (idx = 0; idx < 4; idx++) {
        sizes[idx] = 0;
        d = 0x55;
        for (local = idx << 22;
             local < (idx << 22) + 0x400000;
             local += 0x40000, d++) {
            snd_gf1_poke(gus, local, d);
            snd_gf1_poke(gus, local + 1, d + 1);
#if 0
            printk(KERN_DEBUG "d = 0x%x, local = 0x%x, "
                   "local + 1 = 0x%x, idx << 22 = 0x%x\n",
                   d,
                   snd_gf1_peek(gus, local),
                   snd_gf1_peek(gus, local + 1),
                   snd_gf1_peek(gus, idx << 22));
#endif
            if (snd_gf1_peek(gus, local) != d ||
                snd_gf1_peek(gus, local + 1) != d + 1 ||
                snd_gf1_peek(gus, idx << 22) != 0x55)
                break;
            sizes[idx]++;
        }
    }
#if 0
    printk(KERN_DEBUG "sizes: %i %i %i %i\n",
           sizes[0], sizes[1], sizes[2], sizes[3]);
#endif
}

struct rom_hdr {
    /* 000 */ unsigned char iwave[8];
    /* 008 */ unsigned char rom_hdr_revision;
    /* 009 */ unsigned char series_number;
    /* 010 */ unsigned char series_name[16];
    /* 026 */ unsigned char date[10];
    /* 036 */ unsigned short vendor_revision_major;
    /* 038 */ unsigned short vendor_revision_minor;
    /* 040 */ unsigned int rom_size;
    /* 044 */ unsigned char copyright[128];
    /* 172 */ unsigned char vendor_name[64];
    /* 236 */ unsigned char rom_description[128];
    /* 364 */ unsigned char pad[147];
    /* 511 */ unsigned char csum;
};

static void __devinit snd_interwave_detect_memory(struct snd_gus_card * gus)
{
    static unsigned int lmc[13] =
    {
        0x00000001, 0x00000101, 0x01010101, 0x00000401,
        0x04040401, 0x00040101, 0x04040101, 0x00000004,
        0x00000404, 0x04040404, 0x00000010, 0x00001010,
        0x10101010
    };

    int bank_pos, pages;
    unsigned int i, lmct;
    int psizes[4];
    unsigned char iwave[8];
    unsigned char csum;

    snd_interwave_reset(gus);
    snd_gf1_write8(gus, SNDRV_GF1_GB_GLOBAL_MODE, snd_gf1_read8(gus, SNDRV_GF1_GB_GLOBAL_MODE) | 0x01);     /* enhanced mode */
    snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01); /* DRAM I/O cycles selected */
    snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xff10) | 0x004c);
    /* ok.. simple test of memory size */
    pages = 0;
    snd_gf1_poke(gus, 0, 0x55);
    snd_gf1_poke(gus, 1, 0xaa);
#if 1
    if (snd_gf1_peek(gus, 0) == 0x55 && snd_gf1_peek(gus, 1) == 0xaa)
#else
    if (0)          /* ok.. for testing of 0k RAM */
#endif
    {
        snd_interwave_bank_sizes(gus, psizes);
        lmct = (psizes[3] << 24) | (psizes[2] << 16) |
            (psizes[1] << 8) | psizes[0];
#if 0
        printk(KERN_DEBUG "lmct = 0x%08x\n", lmct);
#endif
        for (i = 0; i < ARRAY_SIZE(lmc); i++)
            if (lmct == lmc[i]) {
#if 0
                printk(KERN_DEBUG "found !!! %i\n", i);
#endif
                snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xfff0) | i);
                snd_interwave_bank_sizes(gus, psizes);
                break;
            }
        if (i >= ARRAY_SIZE(lmc) && !gus->gf1.enh_mode)
             snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xfff0) | 2);
        for (i = 0; i < 4; i++) {
            gus->gf1.mem_alloc.banks_8[i].address =
                gus->gf1.mem_alloc.banks_16[i].address = i << 22;
            gus->gf1.mem_alloc.banks_8[i].size =
                gus->gf1.mem_alloc.banks_16[i].size = psizes[i] << 18;
            pages += psizes[i];
        }
    }
    pages <<= 18;
    gus->gf1.memory = pages;

    snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x03); /* select ROM */
    snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xff1f) | (4 << 5));
    gus->gf1.rom_banks = 0;
    gus->gf1.rom_memory = 0;
    for (bank_pos = 0; bank_pos < 16L * 1024L * 1024L; bank_pos += 4L * 1024L * 1024L) {
        for (i = 0; i < 8; ++i)
            iwave[i] = snd_gf1_peek(gus, bank_pos + i);
#ifdef CONFIG_SND_DEBUG_ROM
        printk(KERN_DEBUG "ROM at 0x%06x = %*phC\n", bank_pos,
                  8, iwave);
#endif
        if (strncmp(iwave, "INTRWAVE", 8))
            continue;   /* first check */
        csum = 0;
        for (i = 0; i < sizeof(struct rom_hdr); i++)
            csum += snd_gf1_peek(gus, bank_pos + i);
#ifdef CONFIG_SND_DEBUG_ROM
        printk(KERN_DEBUG "ROM checksum = 0x%x (computed)\n", csum);
#endif
        if (csum != 0)
            continue;   /* not valid rom */
        gus->gf1.rom_banks++;
        gus->gf1.rom_present |= 1 << (bank_pos >> 22);
        gus->gf1.rom_memory = snd_gf1_peek(gus, bank_pos + 40) |
                     (snd_gf1_peek(gus, bank_pos + 41) << 8) |
                     (snd_gf1_peek(gus, bank_pos + 42) << 16) |
                     (snd_gf1_peek(gus, bank_pos + 43) << 24);
    }
#if 0
    if (gus->gf1.rom_memory > 0) {
        if (gus->gf1.rom_banks == 1 && gus->gf1.rom_present == 8)
            gus->card->type = SNDRV_CARD_TYPE_IW_DYNASONIC;
    }
#endif
    snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x00); /* select RAM */

    if (!gus->gf1.enh_mode)
        snd_interwave_reset(gus);
}

static void __devinit snd_interwave_init(int dev, struct snd_gus_card * gus)
{
    unsigned long flags;

    /* ok.. some InterWave specific initialization */
    spin_lock_irqsave(&gus->reg_lock, flags);
    snd_gf1_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, 0x00);
    snd_gf1_write8(gus, SNDRV_GF1_GB_COMPATIBILITY, 0x1f);
    snd_gf1_write8(gus, SNDRV_GF1_GB_DECODE_CONTROL, 0x49);
    snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, 0x11);
    snd_gf1_write8(gus, SNDRV_GF1_GB_MPU401_CONTROL_A, 0x00);
    snd_gf1_write8(gus, SNDRV_GF1_GB_MPU401_CONTROL_B, 0x30);
    snd_gf1_write8(gus, SNDRV_GF1_GB_EMULATION_IRQ, 0x00);
    spin_unlock_irqrestore(&gus->reg_lock, flags);
    gus->equal_irq = 1;
    gus->codec_flag = 1;
    gus->interwave = 1;
    gus->max_flag = 1;
    gus->joystick_dac = joystick_dac[dev];

}

static struct snd_kcontrol_new snd_interwave_controls[] = {
WSS_DOUBLE("Master Playback Switch", 0,
        CS4231_LINE_LEFT_OUTPUT, CS4231_LINE_RIGHT_OUTPUT, 7, 7, 1, 1),
WSS_DOUBLE("Master Playback Volume", 0,
        CS4231_LINE_LEFT_OUTPUT, CS4231_LINE_RIGHT_OUTPUT, 0, 0, 31, 1),
WSS_DOUBLE("Mic Playback Switch", 0,
        CS4231_LEFT_MIC_INPUT, CS4231_RIGHT_MIC_INPUT, 7, 7, 1, 1),
WSS_DOUBLE("Mic Playback Volume", 0,
        CS4231_LEFT_MIC_INPUT, CS4231_RIGHT_MIC_INPUT, 0, 0, 31, 1)
};

static int __devinit snd_interwave_mixer(struct snd_wss *chip)
{
    struct snd_card *card = chip->card;
    struct snd_ctl_elem_id id1, id2;
    unsigned int idx;
    int err;

    memset(&id1, 0, sizeof(id1));
    memset(&id2, 0, sizeof(id2));
    id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
#if 0
    /* remove mono microphone controls */
    strcpy(id1.name, "Mic Playback Switch");
    if ((err = snd_ctl_remove_id(card, &id1)) < 0)
        return err;
    strcpy(id1.name, "Mic Playback Volume");
    if ((err = snd_ctl_remove_id(card, &id1)) < 0)
        return err;
#endif
    /* add new master and mic controls */
    for (idx = 0; idx < ARRAY_SIZE(snd_interwave_controls); idx++)
        if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_interwave_controls[idx], chip))) < 0)
            return err;
    snd_wss_out(chip, CS4231_LINE_LEFT_OUTPUT, 0x9f);
    snd_wss_out(chip, CS4231_LINE_RIGHT_OUTPUT, 0x9f);
    snd_wss_out(chip, CS4231_LEFT_MIC_INPUT, 0x9f);
    snd_wss_out(chip, CS4231_RIGHT_MIC_INPUT, 0x9f);
    /* reassign AUXA to SYNTHESIZER */
    strcpy(id1.name, "Aux Playback Switch");
    strcpy(id2.name, "Synth Playback Switch");
    if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
        return err;
    strcpy(id1.name, "Aux Playback Volume");
    strcpy(id2.name, "Synth Playback Volume");
    if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
        return err;
    /* reassign AUXB to CD */
    strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
    strcpy(id2.name, "CD Playback Switch");
    if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
        return err;
    strcpy(id1.name, "Aux Playback Volume");
    strcpy(id2.name, "CD Playback Volume");
    if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
        return err;
    return 0;
}

#ifdef CONFIG_PNP

static int __devinit snd_interwave_pnp(int dev, struct snd_interwave *iwcard,
                       struct pnp_card_link *card,
                       const struct pnp_card_device_id *id)
{
    struct pnp_dev *pdev;
    int err;

    iwcard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
    if (iwcard->dev == NULL)
        return -EBUSY;

#ifdef SNDRV_STB
    iwcard->devtc = pnp_request_card_device(card, id->devs[1].id, NULL);
    if (iwcard->devtc == NULL)
        return -EBUSY;
#endif
    /* Synth & Codec initialization */
    pdev = iwcard->dev;

    err = pnp_activate_dev(pdev);
    if (err < 0) {
        snd_printk(KERN_ERR "InterWave PnP configure failure (out of resources?)\n");
        return err;
    }
    if (pnp_port_start(pdev, 0) + 0x100 != pnp_port_start(pdev, 1) ||
        pnp_port_start(pdev, 0) + 0x10c != pnp_port_start(pdev, 2)) {
        snd_printk(KERN_ERR "PnP configure failure (wrong ports)\n");
        return -ENOENT;
    }
    port[dev] = pnp_port_start(pdev, 0);
    dma1[dev] = pnp_dma(pdev, 0);
    if (dma2[dev] >= 0)
        dma2[dev] = pnp_dma(pdev, 1);
    irq[dev] = pnp_irq(pdev, 0);
    snd_printdd("isapnp IW: sb port=0x%llx, gf1 port=0x%llx, codec port=0x%llx\n",
            (unsigned long long)pnp_port_start(pdev, 0),
            (unsigned long long)pnp_port_start(pdev, 1),
            (unsigned long long)pnp_port_start(pdev, 2));
    snd_printdd("isapnp IW: dma1=%i, dma2=%i, irq=%i\n", dma1[dev], dma2[dev], irq[dev]);
#ifdef SNDRV_STB
    /* Tone Control initialization */
    pdev = iwcard->devtc;

    err = pnp_activate_dev(pdev);
    if (err < 0) {
        snd_printk(KERN_ERR "InterWave ToneControl PnP configure failure (out of resources?)\n");
        return err;
    }
    port_tc[dev] = pnp_port_start(pdev, 0);
    snd_printdd("isapnp IW: tone control port=0x%lx\n", port_tc[dev]);
#endif
    return 0;
}
#endif /* CONFIG_PNP */

static void snd_interwave_free(struct snd_card *card)
{
    struct snd_interwave *iwcard = card->private_data;

    if (iwcard == NULL)
        return;
#ifdef SNDRV_STB
    release_and_free_resource(iwcard->i2c_res);
#endif
    if (iwcard->irq >= 0)
        free_irq(iwcard->irq, (void *)iwcard);
}

static int snd_interwave_card_new(int dev, struct snd_card **cardp)
{
    struct snd_card *card;
    struct snd_interwave *iwcard;
    int err;

    err = snd_card_create(index[dev], id[dev], THIS_MODULE,
                  sizeof(struct snd_interwave), &card);
    if (err < 0)
        return err;
    iwcard = card->private_data;
    iwcard->card = card;
    iwcard->irq = -1;
    card->private_free = snd_interwave_free;
    *cardp = card;
    return 0;
}

static int __devinit snd_interwave_probe(struct snd_card *card, int dev)
{
    int xirq, xdma1, xdma2;
    struct snd_interwave *iwcard = card->private_data;
    struct snd_wss *wss;
    struct snd_gus_card *gus;
#ifdef SNDRV_STB
    struct snd_i2c_bus *i2c_bus;
#endif
    struct snd_pcm *pcm;
    char *str;
    int err;

    xirq = irq[dev];
    xdma1 = dma1[dev];
    xdma2 = dma2[dev];

    if ((err = snd_gus_create(card,
                  port[dev],
                  -xirq, xdma1, xdma2,
                  0, 32,
                  pcm_channels[dev], effect[dev], &gus)) < 0)
        return err;

    if ((err = snd_interwave_detect(iwcard, gus, dev
#ifdef SNDRV_STB
            , &i2c_bus
#endif
        )) < 0)
        return err;

    iwcard->gus_status_reg = gus->gf1.reg_irqstat;
    iwcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;

    snd_interwave_init(dev, gus);
    snd_interwave_detect_memory(gus);
    if ((err = snd_gus_initialize(gus)) < 0)
        return err;

    if (request_irq(xirq, snd_interwave_interrupt, 0,
            "InterWave", iwcard)) {
        snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq);
        return -EBUSY;
    }
    iwcard->irq = xirq;

    err = snd_wss_create(card,
                 gus->gf1.port + 0x10c, -1, xirq,
                 xdma2 < 0 ? xdma1 : xdma2, xdma1,
                 WSS_HW_INTERWAVE,
                 WSS_HWSHARE_IRQ |
                 WSS_HWSHARE_DMA1 |
                 WSS_HWSHARE_DMA2,
                 &wss);
    if (err < 0)
        return err;

    err = snd_wss_pcm(wss, 0, &pcm);
    if (err < 0)
        return err;

    sprintf(pcm->name + strlen(pcm->name), " rev %c", gus->revision + 'A');
    strcat(pcm->name, " (codec)");

    err = snd_wss_timer(wss, 2, NULL);
    if (err < 0)
        return err;

    err = snd_wss_mixer(wss);
    if (err < 0)
        return err;

    if (pcm_channels[dev] > 0) {
        err = snd_gf1_pcm_new(gus, 1, 1, NULL);
        if (err < 0)
            return err;
    }
    err = snd_interwave_mixer(wss);
    if (err < 0)
        return err;

#ifdef SNDRV_STB
    {
        struct snd_ctl_elem_id id1, id2;
        memset(&id1, 0, sizeof(id1));
        memset(&id2, 0, sizeof(id2));
        id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
        strcpy(id1.name, "Master Playback Switch");
        strcpy(id2.name, id1.name);
        id2.index = 1;
        if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
            return err;
        strcpy(id1.name, "Master Playback Volume");
        strcpy(id2.name, id1.name);
        if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
            return err;
        if ((err = snd_tea6330t_update_mixer(card, i2c_bus, 0, 1)) < 0)
            return err;
    }
#endif

    gus->uart_enable = midi[dev];
    if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0)
        return err;

#ifndef SNDRV_STB
    str = "AMD InterWave";
    if (gus->gf1.rom_banks == 1 && gus->gf1.rom_present == 8)
        str = "Dynasonic 3-D";
#else
    str = "InterWave STB";
#endif
    strcpy(card->driver, str);
    strcpy(card->shortname, str);
    sprintf(card->longname, "%s at 0x%lx, irq %i, dma %d",
        str,
        gus->gf1.port,
        xirq,
        xdma1);
    if (xdma2 >= 0)
        sprintf(card->longname + strlen(card->longname), "&%d", xdma2);

    err = snd_card_register(card);
    if (err < 0)
        return err;
    
    iwcard->wss = wss;
    iwcard->gus = gus;
    return 0;
}

static int __devinit snd_interwave_isa_probe1(int dev, struct device *devptr)
{
    struct snd_card *card;
    int err;

    err = snd_interwave_card_new(dev, &card);
    if (err < 0)
        return err;

    snd_card_set_dev(card, devptr);
    if ((err = snd_interwave_probe(card, dev)) < 0) {
        snd_card_free(card);
        return err;
    }
    dev_set_drvdata(devptr, card);
    return 0;
}

static int __devinit snd_interwave_isa_match(struct device *pdev,
                         unsigned int dev)
{
    if (!enable[dev])
        return 0;
#ifdef CONFIG_PNP
    if (isapnp[dev])
        return 0;
#endif
    return 1;
}

static int __devinit snd_interwave_isa_probe(struct device *pdev,
                         unsigned int dev)
{
    int err;
    static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
    static int possible_dmas[] = {0, 1, 3, 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 (dma1[dev] == SNDRV_AUTO_DMA) {
        if ((dma1[dev] = snd_legacy_find_free_dma(possible_dmas)) < 0) {
            snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
            return -EBUSY;
        }
    }
    if (dma2[dev] == SNDRV_AUTO_DMA) {
        if ((dma2[dev] = snd_legacy_find_free_dma(possible_dmas)) < 0) {
            snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
            return -EBUSY;
        }
    }

    if (port[dev] != SNDRV_AUTO_PORT)
        return snd_interwave_isa_probe1(dev, pdev);
    else {
        static long possible_ports[] = {0x210, 0x220, 0x230, 0x240, 0x250, 0x260};
        int i;
        for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
            port[dev] = possible_ports[i];
            err = snd_interwave_isa_probe1(dev, pdev);
            if (! err)
                return 0;
        }
        return err;
    }
}

static int __devexit snd_interwave_isa_remove(struct device *devptr, unsigned int dev)
{
    snd_card_free(dev_get_drvdata(devptr));
    dev_set_drvdata(devptr, NULL);
    return 0;
}

static struct isa_driver snd_interwave_driver = {
    .match      = snd_interwave_isa_match,
    .probe      = snd_interwave_isa_probe,
    .remove     = __devexit_p(snd_interwave_isa_remove),
    /* FIXME: suspend,resume */
    .driver     = {
        .name   = INTERWAVE_DRIVER
    },
};

#ifdef CONFIG_PNP
static int __devinit snd_interwave_pnp_detect(struct pnp_card_link *pcard,
                          const struct pnp_card_device_id *pid)
{
    static int dev;
    struct snd_card *card;
    int res;

    for ( ; dev < SNDRV_CARDS; dev++) {
        if (enable[dev] && isapnp[dev])
            break;
    }
    if (dev >= SNDRV_CARDS)
        return -ENODEV;
                
    res = snd_interwave_card_new(dev, &card);
    if (res < 0)
        return res;

    if ((res = snd_interwave_pnp(dev, card->private_data, pcard, pid)) < 0) {
        snd_card_free(card);
        return res;
    }
    snd_card_set_dev(card, &pcard->card->dev);
    if ((res = snd_interwave_probe(card, dev)) < 0) {
        snd_card_free(card);
        return res;
    }
    pnp_set_card_drvdata(pcard, card);
    dev++;
    return 0;
}

static void __devexit snd_interwave_pnp_remove(struct pnp_card_link * pcard)
{
    snd_card_free(pnp_get_card_drvdata(pcard));
    pnp_set_card_drvdata(pcard, NULL);
}

static struct pnp_card_driver interwave_pnpc_driver = {
    .flags = PNP_DRIVER_RES_DISABLE,
    .name = INTERWAVE_PNP_DRIVER,
    .id_table = snd_interwave_pnpids,
    .probe = snd_interwave_pnp_detect,
    .remove = __devexit_p(snd_interwave_pnp_remove),
    /* FIXME: suspend,resume */
};

#endif /* CONFIG_PNP */

static int __init alsa_card_interwave_init(void)
{
    int err;

    err = isa_register_driver(&snd_interwave_driver, SNDRV_CARDS);
#ifdef CONFIG_PNP
    if (!err)
        isa_registered = 1;

    err = pnp_register_card_driver(&interwave_pnpc_driver);
    if (!err)
        pnp_registered = 1;

    if (isa_registered)
        err = 0;
#endif
    return err;
}

static void __exit alsa_card_interwave_exit(void)
{
#ifdef CONFIG_PNP
    if (pnp_registered)
        pnp_unregister_card_driver(&interwave_pnpc_driver);
    if (isa_registered)
#endif
        isa_unregister_driver(&snd_interwave_driver);
}

module_init(alsa_card_interwave_init)
module_exit(alsa_card_interwave_exit)