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/*

 *   ALSA driver for ICEnsemble ICE1712 (Envy24)

 *

 *   Lowlevel functions for M-Audio Delta 1010, 44, 66, Dio2496, Audiophile

 *                          Digigram VX442

 *

 *      Copyright (c) 2000 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/io.h>

#include <linux/delay.h>

#include <linux/interrupt.h>

#include <linux/init.h>

#include <linux/slab.h>

#include <linux/mutex.h>

#include <sound/core.h>

#include <sound/cs8427.h>

#include <sound/asoundef.h>

#include "ice1712.h"

#include "delta.h"

#define SND_CS8403

#include <sound/cs8403.h>

/*

 * CS8427 via SPI mode (for Audiophile), emulated I2C

 */

/* send 8 bits */

static void ap_cs8427_write_byte(struct snd_ice1712 *ice, unsigned char data, unsigned char tmp)

{

        int idx;

        for (idx = 7; idx >= 0; idx--) {

                tmp &= ~(ICE1712_DELTA_AP_DOUT|ICE1712_DELTA_AP_CCLK);

                if (data & (1 << idx))

                        tmp |= ICE1712_DELTA_AP_DOUT;

                snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);

                udelay(5);

                tmp |= ICE1712_DELTA_AP_CCLK;

                snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);

                udelay(5);

        }

}

/* read 8 bits */

static unsigned char ap_cs8427_read_byte(struct snd_ice1712 *ice, unsigned char tmp)

{

        unsigned char data = 0;

        int idx;

        for (idx = 7; idx >= 0; idx--) {

                tmp &= ~ICE1712_DELTA_AP_CCLK;

                snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);

                udelay(5);

                if (snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ICE1712_DELTA_AP_DIN)

                        data |= 1 << idx;

                tmp |= ICE1712_DELTA_AP_CCLK;

                snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);

                udelay(5);

        }

        return data;

}

/* assert chip select */

static unsigned char ap_cs8427_codec_select(struct snd_ice1712 *ice)

{

        unsigned char tmp;

        tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);

        switch (ice->eeprom.subvendor) {

        case ICE1712_SUBDEVICE_DELTA1010LT:

                tmp &= ~ICE1712_DELTA_1010LT_CS;

                tmp |= ICE1712_DELTA_1010LT_CCLK | ICE1712_DELTA_1010LT_CS_CS8427;

                break;

        case ICE1712_SUBDEVICE_AUDIOPHILE:

        case ICE1712_SUBDEVICE_DELTA410:

                tmp |= ICE1712_DELTA_AP_CCLK | ICE1712_DELTA_AP_CS_CODEC;

                tmp &= ~ICE1712_DELTA_AP_CS_DIGITAL;

                break;

        case ICE1712_SUBDEVICE_VX442:

                tmp |= ICE1712_VX442_CCLK | ICE1712_VX442_CODEC_CHIP_A | ICE1712_VX442_CODEC_CHIP_B;

                tmp &= ~ICE1712_VX442_CS_DIGITAL;

                break;

        }

        snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);

        udelay(5);

        return tmp;

}

/* deassert chip select */

static void ap_cs8427_codec_deassert(struct snd_ice1712 *ice, unsigned char tmp)

{

        switch (ice->eeprom.subvendor) {

        case ICE1712_SUBDEVICE_DELTA1010LT:

                tmp &= ~ICE1712_DELTA_1010LT_CS;

                tmp |= ICE1712_DELTA_1010LT_CS_NONE;

                break;

        case ICE1712_SUBDEVICE_AUDIOPHILE:

        case ICE1712_SUBDEVICE_DELTA410:

                tmp |= ICE1712_DELTA_AP_CS_DIGITAL;

                break;

        case ICE1712_SUBDEVICE_VX442:

                tmp |= ICE1712_VX442_CS_DIGITAL;

                break;

        }

        snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);

}

/* sequential write */

static int ap_cs8427_sendbytes(struct snd_i2c_device *device, unsigned char *bytes, int count)

{

        struct snd_ice1712 *ice = device->bus->private_data;

        int res = count;

        unsigned char tmp;

        mutex_lock(&ice->gpio_mutex);

        tmp = ap_cs8427_codec_select(ice);

        ap_cs8427_write_byte(ice, (device->addr << 1) | 0, tmp); /* address + write mode */

        while (count-- > 0)

                ap_cs8427_write_byte(ice, *bytes++, tmp);

        ap_cs8427_codec_deassert(ice, tmp);

        mutex_unlock(&ice->gpio_mutex);

        return res;

}

/* sequential read */

static int ap_cs8427_readbytes(struct snd_i2c_device *device, unsigned char *bytes, int count)

{

        struct snd_ice1712 *ice = device->bus->private_data;

        int res = count;

        unsigned char tmp;

        mutex_lock(&ice->gpio_mutex);

        tmp = ap_cs8427_codec_select(ice);

        ap_cs8427_write_byte(ice, (device->addr << 1) | 1, tmp); /* address + read mode */

        while (count-- > 0)

                *bytes++ = ap_cs8427_read_byte(ice, tmp);

        ap_cs8427_codec_deassert(ice, tmp);

        mutex_unlock(&ice->gpio_mutex);

        return res;

}

static int ap_cs8427_probeaddr(struct snd_i2c_bus *bus, unsigned short addr)

{

        if (addr == 0x10)

                return 1;

        return -ENOENT;

}

static struct snd_i2c_ops ap_cs8427_i2c_ops = {

        .sendbytes = ap_cs8427_sendbytes,

        .readbytes = ap_cs8427_readbytes,

        .probeaddr = ap_cs8427_probeaddr,

};

/*

 */

static void snd_ice1712_delta_cs8403_spdif_write(struct snd_ice1712 *ice, unsigned char bits)

{

        unsigned char tmp, mask1, mask2;

        int idx;

        /* send byte to transmitter */

        mask1 = ICE1712_DELTA_SPDIF_OUT_STAT_CLOCK;

        mask2 = ICE1712_DELTA_SPDIF_OUT_STAT_DATA;

        mutex_lock(&ice->gpio_mutex);

        tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);

        for (idx = 7; idx >= 0; idx--) {

                tmp &= ~(mask1 | mask2);

                if (bits & (1 << idx))

                        tmp |= mask2;

                snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);

                udelay(100);

                tmp |= mask1;

                snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);

                udelay(100);

        }

        tmp &= ~mask1;

        snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);

        mutex_unlock(&ice->gpio_mutex);

}

static void delta_spdif_default_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)

{

        snd_cs8403_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_bits);

}

static int delta_spdif_default_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)

{

        unsigned int val;

        int change;

        val = snd_cs8403_encode_spdif_bits(&ucontrol->value.iec958);

        spin_lock_irq(&ice->reg_lock);

        change = ice->spdif.cs8403_bits != val;

        ice->spdif.cs8403_bits = val;

        if (change && ice->playback_pro_substream == NULL) {

                spin_unlock_irq(&ice->reg_lock);

                snd_ice1712_delta_cs8403_spdif_write(ice, val);

        } else {

                spin_unlock_irq(&ice->reg_lock);

        }

        return change;

}

static void delta_spdif_stream_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)

{

        snd_cs8403_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_stream_bits);

}

static int delta_spdif_stream_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)

{

        unsigned int val;

        int change;

        val = snd_cs8403_encode_spdif_bits(&ucontrol->value.iec958);

        spin_lock_irq(&ice->reg_lock);

        change = ice->spdif.cs8403_stream_bits != val;

        ice->spdif.cs8403_stream_bits = val;

        if (change && ice->playback_pro_substream != NULL) {

                spin_unlock_irq(&ice->reg_lock);

                snd_ice1712_delta_cs8403_spdif_write(ice, val);

        } else {

                spin_unlock_irq(&ice->reg_lock);

        }

        return change;

}

/*

 * AK4524 on Delta 44 and 66 to choose the chip mask

 */

static void delta_ak4524_lock(struct snd_akm4xxx *ak, int chip)

{

        struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];

        struct snd_ice1712 *ice = ak->private_data[0];

        snd_ice1712_save_gpio_status(ice);

        priv->cs_mask =

        priv->cs_addr = chip == 0 ? ICE1712_DELTA_CODEC_CHIP_A :

                                    ICE1712_DELTA_CODEC_CHIP_B;

}

/*

 * AK4524 on Delta1010LT to choose the chip address

 */

static void delta1010lt_ak4524_lock(struct snd_akm4xxx *ak, int chip)

{

        struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];

        struct snd_ice1712 *ice = ak->private_data[0];

        snd_ice1712_save_gpio_status(ice);

        priv->cs_mask = ICE1712_DELTA_1010LT_CS;

        priv->cs_addr = chip << 4;

}

/*

 * AK4528 on VX442 to choose the chip mask

 */

static void vx442_ak4524_lock(struct snd_akm4xxx *ak, int chip)

{

        struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];

        struct snd_ice1712 *ice = ak->private_data[0];

        snd_ice1712_save_gpio_status(ice);

        priv->cs_mask =

        priv->cs_addr = chip == 0 ? ICE1712_VX442_CODEC_CHIP_A :

                                    ICE1712_VX442_CODEC_CHIP_B;

}

/*

 * change the DFS bit according rate for Delta1010

 */

static void delta_1010_set_rate_val(struct snd_ice1712 *ice, unsigned int rate)

{

        unsigned char tmp, tmp2;

        if (rate == 0)   /* no hint - S/PDIF input is master, simply return */

                return;

        mutex_lock(&ice->gpio_mutex);

        tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);

        tmp2 = tmp & ~ICE1712_DELTA_DFS;

        if (rate > 48000)

                tmp2 |= ICE1712_DELTA_DFS;

        if (tmp != tmp2)

                snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp2);

        mutex_unlock(&ice->gpio_mutex);

}

/*

 * change the rate of AK4524 on Delta 44/66, AP, 1010LT

 */

static void delta_ak4524_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)

{

        unsigned char tmp, tmp2;

        struct snd_ice1712 *ice = ak->private_data[0];

        if (rate == 0)   /* no hint - S/PDIF input is master, simply return */

                return;

        /* check before reset ak4524 to avoid unnecessary clicks */

        mutex_lock(&ice->gpio_mutex);

        tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);

        mutex_unlock(&ice->gpio_mutex);

        tmp2 = tmp & ~ICE1712_DELTA_DFS;

        if (rate > 48000)

                tmp2 |= ICE1712_DELTA_DFS;

        if (tmp == tmp2)

                return;

        /* do it again */

        snd_akm4xxx_reset(ak, 1);

        mutex_lock(&ice->gpio_mutex);

        tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ~ICE1712_DELTA_DFS;

        if (rate > 48000)

                tmp |= ICE1712_DELTA_DFS;

        snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);

        mutex_unlock(&ice->gpio_mutex);

        snd_akm4xxx_reset(ak, 0);

}

/*

 * change the rate of AK4524 on VX442

 */

static void vx442_ak4524_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)

{

        unsigned char val;

        val = (rate > 48000) ? 0x65 : 0x60;

        if (snd_akm4xxx_get(ak, 0, 0x02) != val ||

            snd_akm4xxx_get(ak, 1, 0x02) != val) {

                snd_akm4xxx_reset(ak, 1);

                snd_akm4xxx_write(ak, 0, 0x02, val);

                snd_akm4xxx_write(ak, 1, 0x02, val);

                snd_akm4xxx_reset(ak, 0);

        }

}

/*

 * SPDIF ops for Delta 1010, Dio, 66

 */

/* open callback */

static void delta_open_spdif(struct snd_ice1712 *ice, struct snd_pcm_substream *substream)

{

        ice->spdif.cs8403_stream_bits = ice->spdif.cs8403_bits;

}

/* set up */

static void delta_setup_spdif(struct snd_ice1712 *ice, int rate)

{

        unsigned long flags;

        unsigned int tmp;

        int change;

        spin_lock_irqsave(&ice->reg_lock, flags);

        tmp = ice->spdif.cs8403_stream_bits;

        if (tmp & 0x01)         /* consumer */

                tmp &= (tmp & 0x01) ? ~0x06 : ~0x18;

        switch (rate) {

        case 32000: tmp |= (tmp & 0x01) ? 0x04 : 0x00; break;

        case 44100: tmp |= (tmp & 0x01) ? 0x00 : 0x10; break;

        case 48000: tmp |= (tmp & 0x01) ? 0x02 : 0x08; break;

        default: tmp |= (tmp & 0x01) ? 0x00 : 0x18; break;

        }

        change = ice->spdif.cs8403_stream_bits != tmp;

        ice->spdif.cs8403_stream_bits = tmp;

        spin_unlock_irqrestore(&ice->reg_lock, flags);

        if (change)

                snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &ice->spdif.stream_ctl->id);

        snd_ice1712_delta_cs8403_spdif_write(ice, tmp);

}

#define snd_ice1712_delta1010lt_wordclock_status_info \

        snd_ctl_boolean_mono_info

static int snd_ice1712_delta1010lt_wordclock_status_get(struct snd_kcontrol *kcontrol,

                         struct snd_ctl_elem_value *ucontrol)

{

        char reg = 0x10; // cs8427 receiver error register

        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);

        if (snd_i2c_sendbytes(ice->cs8427, &reg, 1) != 1)

                snd_printk(KERN_ERR "unable to send register 0x%x byte to CS8427\n", reg);

        snd_i2c_readbytes(ice->cs8427, &reg, 1);

        ucontrol->value.integer.value[0] = (reg ? 1 : 0);

        return 0;

}

static struct snd_kcontrol_new snd_ice1712_delta1010lt_wordclock_status __devinitdata =

{

        .access =       (SNDRV_CTL_ELEM_ACCESS_READ),

        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,

        .name =         "Word Clock Status",

        .info =         snd_ice1712_delta1010lt_wordclock_status_info,

        .get =          snd_ice1712_delta1010lt_wordclock_status_get,

};

/*

 * initialize the chips on M-Audio cards

 */

static struct snd_akm4xxx akm_audiophile __devinitdata = {

        .type = SND_AK4528,

        .num_adcs = 2,

        .num_dacs = 2,

        .ops = {

                .set_rate_val = delta_ak4524_set_rate_val

        }

};

static struct snd_ak4xxx_private akm_audiophile_priv __devinitdata = {

        .caddr = 2,

        .cif = 0,

        .data_mask = ICE1712_DELTA_AP_DOUT,

        .clk_mask = ICE1712_DELTA_AP_CCLK,

        .cs_mask = ICE1712_DELTA_AP_CS_CODEC,

        .cs_addr = ICE1712_DELTA_AP_CS_CODEC,

        .cs_none = 0,

        .add_flags = ICE1712_DELTA_AP_CS_DIGITAL,

        .mask_flags = 0,

};

static struct snd_akm4xxx akm_delta410 __devinitdata = {

        .type = SND_AK4529,

        .num_adcs = 2,

        .num_dacs = 8,

        .ops = {

                .set_rate_val = delta_ak4524_set_rate_val

        }

};

static struct snd_ak4xxx_private akm_delta410_priv __devinitdata = {

        .caddr = 0,

        .cif = 0,

        .data_mask = ICE1712_DELTA_AP_DOUT,

        .clk_mask = ICE1712_DELTA_AP_CCLK,

        .cs_mask = ICE1712_DELTA_AP_CS_CODEC,

        .cs_addr = ICE1712_DELTA_AP_CS_CODEC,

        .cs_none = 0,

        .add_flags = ICE1712_DELTA_AP_CS_DIGITAL,

        .mask_flags = 0,

};

static struct snd_akm4xxx akm_delta1010lt __devinitdata = {

        .type = SND_AK4524,

        .num_adcs = 8,

        .num_dacs = 8,

        .ops = {

                .lock = delta1010lt_ak4524_lock,

                .set_rate_val = delta_ak4524_set_rate_val

        }

};

static struct snd_ak4xxx_private akm_delta1010lt_priv __devinitdata = {

        .caddr = 2,

        .cif = 0, /* the default level of the CIF pin from AK4524 */

        .data_mask = ICE1712_DELTA_1010LT_DOUT,

        .clk_mask = ICE1712_DELTA_1010LT_CCLK,

        .cs_mask = 0,

        .cs_addr = 0, /* set later */

        .cs_none = ICE1712_DELTA_1010LT_CS_NONE,

        .add_flags = 0,

        .mask_flags = 0,

};

static struct snd_akm4xxx akm_delta44 __devinitdata = {

        .type = SND_AK4524,

        .num_adcs = 4,

        .num_dacs = 4,

        .ops = {

                .lock = delta_ak4524_lock,

                .set_rate_val = delta_ak4524_set_rate_val

        }

};

static struct snd_ak4xxx_private akm_delta44_priv __devinitdata = {

        .caddr = 2,

        .cif = 0, /* the default level of the CIF pin from AK4524 */

        .data_mask = ICE1712_DELTA_CODEC_SERIAL_DATA,

        .clk_mask = ICE1712_DELTA_CODEC_SERIAL_CLOCK,

        .cs_mask = 0,

        .cs_addr = 0, /* set later */

        .cs_none = 0,

        .add_flags = 0,

        .mask_flags = 0,

};

static struct snd_akm4xxx akm_vx442 __devinitdata = {

        .type = SND_AK4524,

        .num_adcs = 4,

        .num_dacs = 4,

        .ops = {

                .lock = vx442_ak4524_lock,

                .set_rate_val = vx442_ak4524_set_rate_val

        }

};

static struct snd_ak4xxx_private akm_vx442_priv __devinitdata = {

        .caddr = 2,

        .cif = 0,

        .data_mask = ICE1712_VX442_DOUT,

        .clk_mask = ICE1712_VX442_CCLK,

        .cs_mask = 0,

        .cs_addr = 0, /* set later */

        .cs_none = 0,

        .add_flags = 0,

        .mask_flags = 0,

};

static int __devinit snd_ice1712_delta_init(struct snd_ice1712 *ice)

{

        int err;

        struct snd_akm4xxx *ak;

        /* determine I2C, DACs and ADCs */

        switch (ice->eeprom.subvendor) {

        case ICE1712_SUBDEVICE_AUDIOPHILE:

                ice->num_total_dacs = 2;

                ice->num_total_adcs = 2;

                break;

        case ICE1712_SUBDEVICE_DELTA410:

                ice->num_total_dacs = 8;

                ice->num_total_adcs = 2;

                break;

        case ICE1712_SUBDEVICE_DELTA44:

        case ICE1712_SUBDEVICE_DELTA66:

                ice->num_total_dacs = ice->omni ? 8 : 4;

                ice->num_total_adcs = ice->omni ? 8 : 4;

                break;

        case ICE1712_SUBDEVICE_DELTA1010:

        case ICE1712_SUBDEVICE_DELTA1010LT:

        case ICE1712_SUBDEVICE_MEDIASTATION:

                ice->num_total_dacs = 8;

                ice->num_total_adcs = 8;

                break;

        case ICE1712_SUBDEVICE_DELTADIO2496:

                ice->num_total_dacs = 4;        /* two AK4324 codecs */

                break;

        case ICE1712_SUBDEVICE_VX442:

                ice->num_total_dacs = 4;

                ice->num_total_adcs = 4;

                break;

        }

        /* initialize spdif */

        switch (ice->eeprom.subvendor) {

        case ICE1712_SUBDEVICE_AUDIOPHILE:

        case ICE1712_SUBDEVICE_DELTA410:

        case ICE1712_SUBDEVICE_DELTA1010LT:

        case ICE1712_SUBDEVICE_VX442:

                if ((err = snd_i2c_bus_create(ice->card, "ICE1712 GPIO 1", NULL, &ice->i2c)) < 0) {

                        snd_printk(KERN_ERR "unable to create I2C bus\n");

                        return err;

                }

                ice->i2c->private_data = ice;

                ice->i2c->ops = &ap_cs8427_i2c_ops;

                if ((err = snd_ice1712_init_cs8427(ice, CS8427_BASE_ADDR)) < 0)

                        return err;

                break;

        case ICE1712_SUBDEVICE_DELTA1010:

        case ICE1712_SUBDEVICE_MEDIASTATION:

                ice->gpio.set_pro_rate = delta_1010_set_rate_val;

                break;

        case ICE1712_SUBDEVICE_DELTADIO2496:

                ice->gpio.set_pro_rate = delta_1010_set_rate_val;

                /* fall thru */

        case ICE1712_SUBDEVICE_DELTA66:

                ice->spdif.ops.open = delta_open_spdif;

                ice->spdif.ops.setup_rate = delta_setup_spdif;

                ice->spdif.ops.default_get = delta_spdif_default_get;

                ice->spdif.ops.default_put = delta_spdif_default_put;

                ice->spdif.ops.stream_get = delta_spdif_stream_get;

                ice->spdif.ops.stream_put = delta_spdif_stream_put;

                /* Set spdif defaults */

                snd_ice1712_delta_cs8403_spdif_write(ice, ice->spdif.cs8403_bits);

                break;

        }

        /* no analog? */

        switch (ice->eeprom.subvendor) {

        case ICE1712_SUBDEVICE_DELTA1010:

        case ICE1712_SUBDEVICE_DELTADIO2496:

        case ICE1712_SUBDEVICE_MEDIASTATION:

                return 0;

        }

        /* second stage of initialization, analog parts and others */

        ak = ice->akm = kmalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);

        if (! ak)

                return -ENOMEM;

        ice->akm_codecs = 1;

        switch (ice->eeprom.subvendor) {

        case ICE1712_SUBDEVICE_AUDIOPHILE:

                err = snd_ice1712_akm4xxx_init(ak, &akm_audiophile, &akm_audiophile_priv, ice);

                break;

        case ICE1712_SUBDEVICE_DELTA410:

                err = snd_ice1712_akm4xxx_init(ak, &akm_delta410, &akm_delta410_priv, ice);

                break;

        case ICE1712_SUBDEVICE_DELTA1010LT:

                err = snd_ice1712_akm4xxx_init(ak, &akm_delta1010lt, &akm_delta1010lt_priv, ice);

                break;

        case ICE1712_SUBDEVICE_DELTA66:

        case ICE1712_SUBDEVICE_DELTA44:

                err = snd_ice1712_akm4xxx_init(ak, &akm_delta44, &akm_delta44_priv, ice);

                break;

        case ICE1712_SUBDEVICE_VX442:

                err = snd_ice1712_akm4xxx_init(ak, &akm_vx442, &akm_vx442_priv, ice);

                break;

        default:

                snd_BUG();

                return -EINVAL;

        }

        return err;

}

/*

 * additional controls for M-Audio cards

 */

static struct snd_kcontrol_new snd_ice1712_delta1010_wordclock_select __devinitdata =

ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Word Clock Sync", 0, ICE1712_DELTA_WORD_CLOCK_SELECT, 1, 0);

static struct snd_kcontrol_new snd_ice1712_delta1010lt_wordclock_select __devinitdata =

ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Word Clock Sync", 0, ICE1712_DELTA_1010LT_WORDCLOCK, 0, 0);

static struct snd_kcontrol_new snd_ice1712_delta1010_wordclock_status __devinitdata =