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delta.c

/*
 *   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@suse.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 <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(ice1712_t *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(ice1712_t *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(ice1712_t *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(ice1712_t *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(snd_i2c_device_t *device, unsigned char *bytes, int count)
{
      ice1712_t *ice = device->bus->private_data;
      int res = count;
      unsigned char tmp;

      down(&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);
      up(&ice->gpio_mutex);
      return res;
}

/* sequential read */
static int ap_cs8427_readbytes(snd_i2c_device_t *device, unsigned char *bytes, int count)
{
      ice1712_t *ice = device->bus->private_data;
      int res = count;
      unsigned char tmp;
      
      down(&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);
      up(&ice->gpio_mutex);
      return res;
}

static int ap_cs8427_probeaddr(snd_i2c_bus_t *bus, unsigned short addr)
{
      if (addr == 0x10)
            return 1;
      return -ENOENT;
}

static snd_i2c_ops_t ap_cs8427_i2c_ops = {
      .sendbytes = ap_cs8427_sendbytes,
      .readbytes = ap_cs8427_readbytes,
      .probeaddr = ap_cs8427_probeaddr,
};

/*
 */

static void snd_ice1712_delta_cs8403_spdif_write(ice1712_t *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;
      down(&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);
      up(&ice->gpio_mutex);
}


static void delta_spdif_default_get(ice1712_t *ice, snd_ctl_elem_value_t * ucontrol)
{
      snd_cs8403_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_bits);
}

static int delta_spdif_default_put(ice1712_t *ice, snd_ctl_elem_value_t * 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(ice1712_t *ice, snd_ctl_elem_value_t * ucontrol)
{
      snd_cs8403_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_stream_bits);
}

static int delta_spdif_stream_put(ice1712_t *ice, snd_ctl_elem_value_t * 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(akm4xxx_t *ak, int chip)
{
        struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
        ice1712_t *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(akm4xxx_t *ak, int chip)
{
        struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
        ice1712_t *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(akm4xxx_t *ak, int chip)
{
        struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
        ice1712_t *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(ice1712_t *ice, unsigned int rate)
{
      unsigned char tmp, tmp2;

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

      down(&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);
      up(&ice->gpio_mutex);
}

/*
 * change the rate of AK4524 on Delta 44/66, AP, 1010LT
 */
static void delta_ak4524_set_rate_val(akm4xxx_t *ak, unsigned int rate)
{
      unsigned char tmp, tmp2;
      ice1712_t *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 */
      down(&ice->gpio_mutex);
      tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
      up(&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);
      down(&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);
      up(&ice->gpio_mutex);
      snd_akm4xxx_reset(ak, 0);
}

/*
 * change the rate of AK4524 on VX442
 */
static void vx442_ak4524_set_rate_val(akm4xxx_t *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(ice1712_t *ice, snd_pcm_substream_t * substream)
{
      ice->spdif.cs8403_stream_bits = ice->spdif.cs8403_bits;
}

/* set up */
static void delta_setup_spdif(ice1712_t *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);
}


/*
 * initialize the chips on M-Audio cards
 */

static akm4xxx_t 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 akm4xxx_t 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 akm4xxx_t 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 akm4xxx_t 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 akm4xxx_t 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(ice1712_t *ice)
{
      int err;
      akm4xxx_t *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(akm4xxx_t), 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 snd_kcontrol_new_t 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 snd_kcontrol_new_t snd_ice1712_delta1010lt_wordclock_select __devinitdata =
ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Word Clock Sync", 0, ICE1712_DELTA_1010LT_WORDCLOCK, 1, 0);
static snd_kcontrol_new_t snd_ice1712_delta1010_wordclock_status __devinitdata =
ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Word Clock Status", 0, ICE1712_DELTA_WORD_CLOCK_STATUS, 1, SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE);
static snd_kcontrol_new_t snd_ice1712_deltadio2496_spdif_in_select __devinitdata =
ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "IEC958 Input Optical", 0, ICE1712_DELTA_SPDIF_INPUT_SELECT, 0, 0);
static snd_kcontrol_new_t snd_ice1712_delta_spdif_in_status __devinitdata =
ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Delta IEC958 Input Status", 0, ICE1712_DELTA_SPDIF_IN_STAT, 1, SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE);


static int __devinit snd_ice1712_delta_add_controls(ice1712_t *ice)
{
      int err;

      /* 1010 and dio specific controls */
      switch (ice->eeprom.subvendor) {
      case ICE1712_SUBDEVICE_DELTA1010:
      case ICE1712_SUBDEVICE_MEDIASTATION:
            err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010_wordclock_select, ice));
            if (err < 0)
                  return err;
            err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010_wordclock_status, ice));
            if (err < 0)
                  return err;
            break;
      case ICE1712_SUBDEVICE_DELTADIO2496:
            err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_deltadio2496_spdif_in_select, ice));
            if (err < 0)
                  return err;
            break;
      case ICE1712_SUBDEVICE_DELTA1010LT:
            err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010lt_wordclock_select, ice));
            if (err < 0)
                  return err;
            break;
      }

      /* normal spdif controls */
      switch (ice->eeprom.subvendor) {
      case ICE1712_SUBDEVICE_DELTA1010:
      case ICE1712_SUBDEVICE_DELTADIO2496:
      case ICE1712_SUBDEVICE_DELTA66:
      case ICE1712_SUBDEVICE_MEDIASTATION:
            err = snd_ice1712_spdif_build_controls(ice);
            if (err < 0)
                  return err;
            break;
      }

      /* spdif status in */
      switch (ice->eeprom.subvendor) {
      case ICE1712_SUBDEVICE_DELTA1010:
      case ICE1712_SUBDEVICE_DELTADIO2496:
      case ICE1712_SUBDEVICE_DELTA66:
      case ICE1712_SUBDEVICE_MEDIASTATION:
            err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta_spdif_in_status, ice));
            if (err < 0)
                  return err;
            break;
      }

      /* ak4524 controls */
      switch (ice->eeprom.subvendor) {
      case ICE1712_SUBDEVICE_DELTA1010LT:
      case ICE1712_SUBDEVICE_AUDIOPHILE:
      case ICE1712_SUBDEVICE_DELTA410:
      case ICE1712_SUBDEVICE_DELTA44:
      case ICE1712_SUBDEVICE_DELTA66:
      case ICE1712_SUBDEVICE_VX442:
            err = snd_ice1712_akm4xxx_build_controls(ice);
            if (err < 0)
                  return err;
            break;
      }

      return 0;
}


/* entry point */
struct snd_ice1712_card_info snd_ice1712_delta_cards[] __devinitdata = {
      {
            .subvendor = ICE1712_SUBDEVICE_DELTA1010,
            .name = "M Audio Delta 1010",
            .model = "delta1010",
            .chip_init = snd_ice1712_delta_init,
            .build_controls = snd_ice1712_delta_add_controls,
      },
      {
            .subvendor = ICE1712_SUBDEVICE_DELTADIO2496,
            .name = "M Audio Delta DiO 2496",
            .model = "dio2496",
            .chip_init = snd_ice1712_delta_init,
            .build_controls = snd_ice1712_delta_add_controls,
            .no_mpu401 = 1,
      },
      {
            .subvendor = ICE1712_SUBDEVICE_DELTA66,
            .name = "M Audio Delta 66",
            .model = "delta66",
            .chip_init = snd_ice1712_delta_init,
            .build_controls = snd_ice1712_delta_add_controls,
            .no_mpu401 = 1,
      },
      {
            .subvendor = ICE1712_SUBDEVICE_DELTA44,
            .name = "M Audio Delta 44",
            .model = "delta44",
            .chip_init = snd_ice1712_delta_init,
            .build_controls = snd_ice1712_delta_add_controls,
            .no_mpu401 = 1,
      },
      {
            .subvendor = ICE1712_SUBDEVICE_AUDIOPHILE,
            .name = "M Audio Audiophile 24/96",
            .model = "audiophile",
            .chip_init = snd_ice1712_delta_init,
            .build_controls = snd_ice1712_delta_add_controls,
      },
      {
            .subvendor = ICE1712_SUBDEVICE_DELTA410,
            .name = "M Audio Delta 410",
            .model = "delta410",
            .chip_init = snd_ice1712_delta_init,
            .build_controls = snd_ice1712_delta_add_controls,
      },
      {
            .subvendor = ICE1712_SUBDEVICE_DELTA1010LT,
            .name = "M Audio Delta 1010LT",
            .model = "delta1010lt",
            .chip_init = snd_ice1712_delta_init,
            .build_controls = snd_ice1712_delta_add_controls,
      },
      {
            .subvendor = ICE1712_SUBDEVICE_VX442,
            .name = "Digigram VX442",
            .model = "vx442",
            .chip_init = snd_ice1712_delta_init,
            .build_controls = snd_ice1712_delta_add_controls,
            .no_mpu401 = 1,
      },
      {
            .subvendor = ICE1712_SUBDEVICE_MEDIASTATION,
            .name = "Lionstracs Mediastation",
            .model = "mediastation",
            .chip_init = snd_ice1712_delta_init,
            .build_controls = snd_ice1712_delta_add_controls,
      },
      { } /* terminator */
};

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