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prodigy192.c

/*
 *   ALSA driver for ICEnsemble VT1724 (Envy24HT)
 *
 *   Lowlevel functions for AudioTrak Prodigy 192 cards
 *
 *    Copyright (c) 2003 Takashi Iwai <tiwai@suse.de>
 *      Copyright (c) 2003 Dimitromanolakis Apostolos <apostol@cs.utoronto.ca>
 *      Copyright (c) 2004 Kouichi ONO <co2b@ceres.dti.ne.jp>
 *
 *   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 "ice1712.h"
#include "envy24ht.h"
#include "prodigy192.h"
#include "stac946x.h"

static inline void stac9460_put(ice1712_t *ice, int reg, unsigned char val)
{
      snd_vt1724_write_i2c(ice, PRODIGY192_STAC9460_ADDR, reg, val);
}

static inline unsigned char stac9460_get(ice1712_t *ice, int reg)
{
      return snd_vt1724_read_i2c(ice, PRODIGY192_STAC9460_ADDR, reg);
}

/*
 * DAC mute control
 */
static int stac9460_dac_mute_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
      uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
      uinfo->count = 1;
      uinfo->value.integer.min = 0;
      uinfo->value.integer.max = 1;
      return 0;
}

static int stac9460_dac_mute_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
      ice1712_t *ice = snd_kcontrol_chip(kcontrol);
      unsigned char val;
      int idx;

      if (kcontrol->private_value)
            idx = STAC946X_MASTER_VOLUME;
      else
            idx  = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME;
      val = stac9460_get(ice, idx);
      ucontrol->value.integer.value[0] = (~val >> 7) & 0x1;
      return 0;
}

static int stac9460_dac_mute_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
      ice1712_t *ice = snd_kcontrol_chip(kcontrol);
      unsigned char new, old;
      int idx;
      int change;

      if (kcontrol->private_value)
            idx = STAC946X_MASTER_VOLUME;
      else
            idx  = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME;
      old = stac9460_get(ice, idx);
      new = (~ucontrol->value.integer.value[0]<< 7 & 0x80) | (old & ~0x80);
      change = (new != old);
      if (change)
            stac9460_put(ice, idx, new);

      return change;
}

/*
 * DAC volume attenuation mixer control
 */
static int stac9460_dac_vol_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
{
      uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
      uinfo->count = 1;
      uinfo->value.integer.min = 0;             /* mute */
      uinfo->value.integer.max = 0x7f;          /* 0dB */
      return 0;
}

static int stac9460_dac_vol_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
      ice1712_t *ice = snd_kcontrol_chip(kcontrol);
      int idx;
      unsigned char vol;

      if (kcontrol->private_value)
            idx = STAC946X_MASTER_VOLUME;
      else
            idx  = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME;
      vol = stac9460_get(ice, idx) & 0x7f;
      ucontrol->value.integer.value[0] = 0x7f - vol;

      return 0;
}

static int stac9460_dac_vol_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
      ice1712_t *ice = snd_kcontrol_chip(kcontrol);
      int idx;
      unsigned char tmp, ovol, nvol;
      int change;

      if (kcontrol->private_value)
            idx = STAC946X_MASTER_VOLUME;
      else
            idx  = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME;
      nvol = ucontrol->value.integer.value[0];
      tmp = stac9460_get(ice, idx);
      ovol = 0x7f - (tmp & 0x7f);
      change = (ovol != nvol);
      if (change) {
            stac9460_put(ice, idx, (0x7f - nvol) | (tmp & 0x80));
      }
      return change;
}

/*
 * ADC mute control
 */
static int stac9460_adc_mute_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
      uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
      uinfo->count = 2;
      uinfo->value.integer.min = 0;
      uinfo->value.integer.max = 1;
      return 0;
}

static int stac9460_adc_mute_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
      ice1712_t *ice = snd_kcontrol_chip(kcontrol);
      unsigned char val;
      int i;

      for (i = 0; i < 2; ++i) {
            val = stac9460_get(ice, STAC946X_MIC_L_VOLUME + i);
            ucontrol->value.integer.value[i] = ~val>>7 & 0x1;
      }

      return 0;
}

static int stac9460_adc_mute_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
      ice1712_t *ice = snd_kcontrol_chip(kcontrol);
      unsigned char new, old;
      int i, reg;
      int change;

      for (i = 0; i < 2; ++i) {
            reg = STAC946X_MIC_L_VOLUME + i;
            old = stac9460_get(ice, reg);
            new = (~ucontrol->value.integer.value[i]<<7&0x80) | (old&~0x80);
            change = (new != old);
            if (change)
                  stac9460_put(ice, reg, new);
      }

      return change;
}

/*
 * ADC gain mixer control
 */
static int stac9460_adc_vol_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
{
      uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
      uinfo->count = 2;
      uinfo->value.integer.min = 0;       /* 0dB */
      uinfo->value.integer.max = 0x0f;    /* 22.5dB */
      return 0;
}

static int stac9460_adc_vol_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
      ice1712_t *ice = snd_kcontrol_chip(kcontrol);
      int i, reg;
      unsigned char vol;

      for (i = 0; i < 2; ++i) {
            reg = STAC946X_MIC_L_VOLUME + i;
            vol = stac9460_get(ice, reg) & 0x0f;
            ucontrol->value.integer.value[i] = 0x0f - vol;
      }

      return 0;
}

static int stac9460_adc_vol_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
      ice1712_t *ice = snd_kcontrol_chip(kcontrol);
      int i, reg;
      unsigned char ovol, nvol;
      int change;

      for (i = 0; i < 2; ++i) {
            reg = STAC946X_MIC_L_VOLUME + i;
            nvol = ucontrol->value.integer.value[i];
            ovol = 0x0f - stac9460_get(ice, reg);
            change = ((ovol & 0x0f)  != nvol);
            if (change)
                  stac9460_put(ice, reg, (0x0f - nvol) | (ovol & ~0x0f));
      }

      return change;
}

#if 0
/*
 * Headphone Amplifier
 */
static int aureon_set_headphone_amp(ice1712_t *ice, int enable)
{
      unsigned int tmp, tmp2;

      tmp2 = tmp = snd_ice1712_gpio_read(ice);
      if (enable)
            tmp |= AUREON_HP_SEL;
      else
            tmp &= ~ AUREON_HP_SEL;
      if (tmp != tmp2) {
            snd_ice1712_gpio_write(ice, tmp);
            return 1;
      }
      return 0;
}

static int aureon_get_headphone_amp(ice1712_t *ice)
{
      unsigned int tmp = snd_ice1712_gpio_read(ice);

      return ( tmp & AUREON_HP_SEL )!= 0;
}

static int aureon_bool_info(snd_kcontrol_t *k, snd_ctl_elem_info_t *uinfo)
{
      uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
      uinfo->count = 1;
      uinfo->value.integer.min = 0;
      uinfo->value.integer.max = 1;
      return 0;
}

static int aureon_hpamp_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
      ice1712_t *ice = snd_kcontrol_chip(kcontrol);

      ucontrol->value.integer.value[0] = aureon_get_headphone_amp(ice);
      return 0;
}


static int aureon_hpamp_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
      ice1712_t *ice = snd_kcontrol_chip(kcontrol);

      return aureon_set_headphone_amp(ice,ucontrol->value.integer.value[0]);
}

/*
 * Deemphasis
 */
static int aureon_deemp_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
      ice1712_t *ice = snd_kcontrol_chip(kcontrol);
      ucontrol->value.integer.value[0] = (wm_get(ice, WM_DAC_CTRL2) & 0xf) == 0xf;
      return 0;
}

static int aureon_deemp_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
      ice1712_t *ice = snd_kcontrol_chip(kcontrol);
      int temp, temp2;
      temp2 = temp = wm_get(ice, WM_DAC_CTRL2);
      if (ucontrol->value.integer.value[0])
            temp |= 0xf;
      else
            temp &= ~0xf;
      if (temp != temp2) {
            wm_put(ice, WM_DAC_CTRL2, temp);
            return 1;
      }
      return 0;
}

/*
 * ADC Oversampling
 */
static int aureon_oversampling_info(snd_kcontrol_t *k, snd_ctl_elem_info_t *uinfo)
{
      static char *texts[2] = { "128x", "64x"   };

      uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
      uinfo->count = 1;
      uinfo->value.enumerated.items = 2;

      if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
            uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
      strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);

        return 0;
}

static int aureon_oversampling_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
      ice1712_t *ice = snd_kcontrol_chip(kcontrol);
      ucontrol->value.enumerated.item[0] = (wm_get(ice, WM_MASTER) & 0x8) == 0x8;
      return 0;
}

static int aureon_oversampling_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
      int temp, temp2;
      ice1712_t *ice = snd_kcontrol_chip(kcontrol);

      temp2 = temp = wm_get(ice, WM_MASTER);

      if (ucontrol->value.enumerated.item[0])
            temp |= 0x8;
      else
            temp &= ~0x8;

      if (temp != temp2) {
            wm_put(ice, WM_MASTER, temp);
            return 1;
      }
      return 0;
}
#endif

/*
 * mixers
 */

static snd_kcontrol_new_t stac_controls[] __devinitdata = {
      {
            .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
            .name = "Master Playback Switch",
            .info = stac9460_dac_mute_info,
            .get = stac9460_dac_mute_get,
            .put = stac9460_dac_mute_put,
            .private_value = 1,
      },
      {
            .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
            .name = "Master Playback Volume",
            .info = stac9460_dac_vol_info,
            .get = stac9460_dac_vol_get,
            .put = stac9460_dac_vol_put,
            .private_value = 1,
      },
      {
            .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
            .name = "DAC Switch",
            .count = 6,
            .info = stac9460_dac_mute_info,
            .get = stac9460_dac_mute_get,
            .put = stac9460_dac_mute_put,
      },
      {
            .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
            .name = "DAC Volume",
            .count = 6,
            .info = stac9460_dac_vol_info,
            .get = stac9460_dac_vol_get,
            .put = stac9460_dac_vol_put,
      },
      {
            .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
            .name = "ADC Switch",
            .count = 1,
            .info = stac9460_adc_mute_info,
            .get = stac9460_adc_mute_get,
            .put = stac9460_adc_mute_put,

      },
      {
            .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
            .name = "ADC Volume",
            .count = 1,
            .info = stac9460_adc_vol_info,
            .get = stac9460_adc_vol_get,
            .put = stac9460_adc_vol_put,
      },
#if 0
      {
            .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
            .name = "Capture Route",
            .info = wm_adc_mux_info,
            .get = wm_adc_mux_get,
            .put = wm_adc_mux_put,
      },
      {
            .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
            .name = "Headphone Amplifier Switch",
            .info = aureon_bool_info,
            .get = aureon_hpamp_get,
            .put = aureon_hpamp_put
      },
      {
            .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
            .name = "DAC Deemphasis Switch",
            .info = aureon_bool_info,
            .get = aureon_deemp_get,
            .put = aureon_deemp_put
      },
      {
            .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
            .name = "ADC Oversampling",
            .info = aureon_oversampling_info,
            .get = aureon_oversampling_get,
            .put = aureon_oversampling_put
      },
#endif
};

static int __devinit prodigy192_add_controls(ice1712_t *ice)
{
      unsigned int i;
      int err;

      for (i = 0; i < ARRAY_SIZE(stac_controls); i++) {
            err = snd_ctl_add(ice->card, snd_ctl_new1(&stac_controls[i], ice));
            if (err < 0)
                  return err;
      }
      return 0;
}


/*
 * initialize the chip
 */
static int __devinit prodigy192_init(ice1712_t *ice)
{
      static unsigned short stac_inits_prodigy[] = {
            STAC946X_RESET, 0,
/*          STAC946X_MASTER_VOLUME, 0,
            STAC946X_LF_VOLUME, 0,
            STAC946X_RF_VOLUME, 0,
            STAC946X_LR_VOLUME, 0,
            STAC946X_RR_VOLUME, 0,
            STAC946X_CENTER_VOLUME, 0,
            STAC946X_LFE_VOLUME, 0,*/
            (unsigned short)-1
      };
      unsigned short *p;

      /* prodigy 192 */
      ice->num_total_dacs = 6;
      ice->num_total_adcs = 2;
      
      /* initialize codec */
      p = stac_inits_prodigy;
      for (; *p != (unsigned short)-1; p += 2)
            stac9460_put(ice, p[0], p[1]);

      return 0;
}


/*
 * Aureon boards don't provide the EEPROM data except for the vendor IDs.
 * hence the driver needs to sets up it properly.
 */

static unsigned char prodigy71_eeprom[] __devinitdata = {
      0x2b, /* SYSCONF: clock 512, mpu401, spdif-in/ADC, 4DACs */
      0x80, /* ACLINK: I2S */
      0xf8, /* I2S: vol, 96k, 24bit, 192k */
      0xc3, /* SPDIF: out-en, out-int, spdif-in */
      0xff, /* GPIO_DIR */
      0xff, /* GPIO_DIR1 */
      0xbf, /* GPIO_DIR2 */
      0x00, /* GPIO_MASK */
      0x00, /* GPIO_MASK1 */
      0x00, /* GPIO_MASK2 */
      0x00, /* GPIO_STATE */
      0x00, /* GPIO_STATE1 */
      0x00, /* GPIO_STATE2 */
};


/* entry point */
struct snd_ice1712_card_info snd_vt1724_prodigy192_cards[] __devinitdata = {
      {
            .subvendor = VT1724_SUBDEVICE_PRODIGY192VE,
            .name = "Audiotrak Prodigy 192",
            .model = "prodigy192",
            .chip_init = prodigy192_init,
            .build_controls = prodigy192_add_controls,
            .eeprom_size = sizeof(prodigy71_eeprom),
            .eeprom_data = prodigy71_eeprom,
      },
      { } /* terminator */
};

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