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volume.c

/*
 * volume.c - analog volume settings
 *
 * This code is added by Takashi Iwai <tiwai@suse.de>
 *
 * 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 "envy24control.h"

#define toggle_set(widget, state) \
      gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(widget), state);

#define DAC_VOLUME_NAME "DAC Volume"
#define ADC_VOLUME_NAME "ADC Volume"
#define IPGA_VOLUME_NAME "IPGA Analog Capture Volume"
#define DAC_SENSE_NAME  "Output Sensitivity Switch"
#define ADC_SENSE_NAME  "Input Sensitivity Switch"

static int dac_volumes;
static int dac_max = 127;
static int adc_volumes;
static int ipga_volumes;
static int dac_senses;
static int adc_senses;
static int dac_sense_items;
static int adc_sense_items;
static char *dac_sense_name[4];
static char *adc_sense_name[4];
extern int input_channels, output_channels;

int envy_dac_volumes(void)
{
      return dac_volumes;
}

int envy_dac_max(void)
{
      return dac_max;
}

int envy_adc_volumes(void)
{
      return adc_volumes;
}

int envy_ipga_volumes(void)
{
      return ipga_volumes;
}

int envy_dac_senses(void)
{
      return dac_senses;
}

int envy_adc_senses(void)
{
      return adc_senses;
}

int envy_dac_sense_items(void)
{
      return dac_sense_items;
}

int envy_adc_sense_items(void)
{
      return adc_sense_items;
}

const char *envy_dac_sense_enum_name(int i)
{
      return dac_sense_name[i];
}

const char *envy_adc_sense_enum_name(int i)
{
      return adc_sense_name[i];
}

int envy_analog_volume_available(void)
{
      return dac_volumes > 0 || adc_volumes > 0 || ipga_volumes > 0;
}


/*
 */

void dac_volume_update(int idx)
{
      snd_ctl_elem_value_t *val;
      int err;
      snd_ctl_elem_value_alloca(&val);
      snd_ctl_elem_value_set_interface(val, SND_CTL_ELEM_IFACE_MIXER);
      snd_ctl_elem_value_set_name(val, DAC_VOLUME_NAME);
      snd_ctl_elem_value_set_index(val, idx);
      if ((err = snd_ctl_elem_read(ctl, val)) < 0) {
            g_print("Unable to read dac volume: %s\n", snd_strerror(err));
            return;
      }
      gtk_adjustment_set_value(GTK_ADJUSTMENT(av_dac_volume_adj[idx]),
                         -snd_ctl_elem_value_get_integer(val, 0));
}

void adc_volume_update(int idx)
{
      snd_ctl_elem_value_t *val;
      int err;
      snd_ctl_elem_value_alloca(&val);
      snd_ctl_elem_value_set_interface(val, SND_CTL_ELEM_IFACE_MIXER);
      snd_ctl_elem_value_set_name(val, ADC_VOLUME_NAME);
      snd_ctl_elem_value_set_index(val, idx);
      if ((err = snd_ctl_elem_read(ctl, val)) < 0) {
            g_print("Unable to read adc volume: %s\n", snd_strerror(err));
            return;
      }
      gtk_adjustment_set_value(GTK_ADJUSTMENT(av_adc_volume_adj[idx]),
                         -snd_ctl_elem_value_get_integer(val, 0));
      snd_ctl_elem_value_set_name(val, IPGA_VOLUME_NAME);
      snd_ctl_elem_value_set_index(val, idx);
      if ((err = snd_ctl_elem_read(ctl, val)) < 0) {
            g_print("Unable to read ipga volume: %s\n", snd_strerror(err));
            return;
      }
      gtk_adjustment_set_value(GTK_ADJUSTMENT(av_ipga_volume_adj[idx]),
                         -0);
}

void ipga_volume_update(int idx)
{
      snd_ctl_elem_value_t *val;
      int err, ipga_vol;
      snd_ctl_elem_value_alloca(&val);
      snd_ctl_elem_value_set_interface(val, SND_CTL_ELEM_IFACE_MIXER);
      snd_ctl_elem_value_set_name(val, IPGA_VOLUME_NAME);
      snd_ctl_elem_value_set_index(val, idx);
      if ((err = snd_ctl_elem_read(ctl, val)) < 0) {
            g_print("Unable to read ipga volume: %s\n", snd_strerror(err));
            return;
      }
      gtk_adjustment_set_value(GTK_ADJUSTMENT(av_ipga_volume_adj[idx]),
                         -(ipga_vol = snd_ctl_elem_value_get_integer(val, 0)));
      snd_ctl_elem_value_set_name(val, ADC_VOLUME_NAME);
      snd_ctl_elem_value_set_index(val, idx);
      if ((err = snd_ctl_elem_read(ctl, val)) < 0) {
            g_print("Unable to read adc volume: %s\n", snd_strerror(err));
            return;
      }
      // set ADC volume to max if IPGA volume greater 0
      if (ipga_vol)
            gtk_adjustment_set_value(GTK_ADJUSTMENT(av_adc_volume_adj[idx]),
                               -127);
}

void dac_sense_update(int idx)
{
      snd_ctl_elem_value_t *val;
      int err;
      int state;
      snd_ctl_elem_value_alloca(&val);
      snd_ctl_elem_value_set_interface(val, SND_CTL_ELEM_IFACE_MIXER);
      snd_ctl_elem_value_set_name(val, DAC_SENSE_NAME);
      snd_ctl_elem_value_set_index(val, idx);
      if ((err = snd_ctl_elem_read(ctl, val)) < 0) {
            g_print("Unable to read dac sense: %s\n", snd_strerror(err));
            return;
      }
      state = snd_ctl_elem_value_get_enumerated(val, 0);
      toggle_set(av_dac_sense_radio[idx][state], TRUE);
}

void adc_sense_update(int idx)
{
      snd_ctl_elem_value_t *val;
      int err;
      int state;
      snd_ctl_elem_value_alloca(&val);
      snd_ctl_elem_value_set_interface(val, SND_CTL_ELEM_IFACE_MIXER);
      snd_ctl_elem_value_set_name(val, ADC_SENSE_NAME);
      snd_ctl_elem_value_set_index(val, idx);
      if ((err = snd_ctl_elem_read(ctl, val)) < 0) {
            g_print("Unable to read adc sense: %s\n", snd_strerror(err));
            return;
      }
      state = snd_ctl_elem_value_get_enumerated(val, 0);
      toggle_set(av_adc_sense_radio[idx][state], TRUE);
}


/*
 */

void dac_volume_adjust(GtkAdjustment *adj, gpointer data)
{
      int idx = (int)(long)data;
      snd_ctl_elem_value_t *val;
      int err, ival = -(int)adj->value;
      char text[16];

      snd_ctl_elem_value_alloca(&val);
      snd_ctl_elem_value_set_interface(val, SND_CTL_ELEM_IFACE_MIXER);
      snd_ctl_elem_value_set_name(val, DAC_VOLUME_NAME);
      snd_ctl_elem_value_set_index(val, idx);
      snd_ctl_elem_value_set_integer(val, 0, ival);
      sprintf(text, "%03i", ival);
      gtk_label_set_text(av_dac_volume_label[idx], text);
      if ((err = snd_ctl_elem_write(ctl, val)) < 0)
            g_print("Unable to write dac volume: %s\n", snd_strerror(err));
}

void adc_volume_adjust(GtkAdjustment *adj, gpointer data)
{
      int idx = (int)(long)data;
      snd_ctl_elem_value_t *val;
      int err, ival = -(int)adj->value;
      char text[16];

      snd_ctl_elem_value_alloca(&val);
      snd_ctl_elem_value_set_interface(val, SND_CTL_ELEM_IFACE_MIXER);
      snd_ctl_elem_value_set_name(val, ADC_VOLUME_NAME);
      snd_ctl_elem_value_set_index(val, idx);
      snd_ctl_elem_value_set_integer(val, 0, ival);
      sprintf(text, "%03i", ival);
      gtk_label_set_text(av_adc_volume_label[idx], text);
      if ((err = snd_ctl_elem_write(ctl, val)) < 0)
            g_print("Unable to write adc volume: %s\n", snd_strerror(err));
}

void ipga_volume_adjust(GtkAdjustment *adj, gpointer data)
{
      int idx = (int)(long)data;
      snd_ctl_elem_value_t *val;
      int err, ival = -(int)adj->value;
      char text[16];

      snd_ctl_elem_value_alloca(&val);
      snd_ctl_elem_value_set_interface(val, SND_CTL_ELEM_IFACE_MIXER);
      snd_ctl_elem_value_set_name(val, IPGA_VOLUME_NAME);
      snd_ctl_elem_value_set_index(val, idx);
      snd_ctl_elem_value_set_integer(val, 0, ival);
      sprintf(text, "%03i", ival);
      gtk_label_set_text(av_ipga_volume_label[idx], text);
      if ((err = snd_ctl_elem_write(ctl, val)) < 0)
            g_print("Unable to write ipga volume: %s\n", snd_strerror(err));
}

void dac_sense_toggled(GtkWidget *togglebutton, gpointer data)
{
      int idx = (long)data >> 8;
      int state = (long)data & 0xff;
      snd_ctl_elem_value_t *val;
      int err;

      snd_ctl_elem_value_alloca(&val);
      snd_ctl_elem_value_set_interface(val, SND_CTL_ELEM_IFACE_MIXER);
      snd_ctl_elem_value_set_name(val, DAC_SENSE_NAME);
      snd_ctl_elem_value_set_index(val, idx);
      snd_ctl_elem_value_set_enumerated(val, 0, state);
      if ((err = snd_ctl_elem_write(ctl, val)) < 0)
            g_print("Unable to write dac sense: %s\n", snd_strerror(err));
}

void adc_sense_toggled(GtkWidget *togglebutton, gpointer data)
{
      int idx = (long)data >> 8;
      int state = (long)data & 0xff;
      snd_ctl_elem_value_t *val;
      int err;

      snd_ctl_elem_value_alloca(&val);
      snd_ctl_elem_value_set_interface(val, SND_CTL_ELEM_IFACE_MIXER);
      snd_ctl_elem_value_set_name(val, ADC_SENSE_NAME);
      snd_ctl_elem_value_set_index(val, idx);
      snd_ctl_elem_value_set_enumerated(val, 0, state);
      if ((err = snd_ctl_elem_write(ctl, val)) < 0)
            g_print("Unable to write adc sense: %s\n", snd_strerror(err));
}

/*
 */

void analog_volume_init(void)
{
      snd_ctl_elem_info_t *info;
      int i;

      snd_ctl_elem_info_alloca(&info);

      snd_ctl_elem_info_set_interface(info, SND_CTL_ELEM_IFACE_MIXER);
      for (i = 0; i < 10; i++) {
            snd_ctl_elem_info_set_name(info, DAC_VOLUME_NAME);
            snd_ctl_elem_info_set_numid(info, 0);
            snd_ctl_elem_info_set_index(info, i);
            if (snd_ctl_elem_info(ctl, info) < 0)
                  break;
            dac_max = snd_ctl_elem_info_get_max(info);
      }
      if (i < output_channels - 1)
            dac_volumes = i;
      else
            dac_volumes = output_channels;

      snd_ctl_elem_info_set_name(info, DAC_SENSE_NAME);
      for (i = 0; i < dac_volumes; i++) {
            snd_ctl_elem_info_set_numid(info, 0);
            snd_ctl_elem_info_set_index(info, i);
            if (snd_ctl_elem_info(ctl, info) < 0)
                  break;
      }
      dac_senses = i;
      if (dac_senses > 0) {
            snd_ctl_elem_info_set_numid(info, 0);
            snd_ctl_elem_info_set_index(info, 0);
            snd_ctl_elem_info(ctl, info);
            dac_sense_items = snd_ctl_elem_info_get_items(info);
            for (i = 0; i < dac_sense_items; i++) {
                  snd_ctl_elem_info_set_item(info, i);
                  snd_ctl_elem_info(ctl, info);
                  dac_sense_name[i] = strdup(snd_ctl_elem_info_get_item_name(info));
            }
      }

      for (i = 0; i < 10; i++) {
            snd_ctl_elem_info_set_name(info, ADC_VOLUME_NAME);
            snd_ctl_elem_info_set_numid(info, 0);
            snd_ctl_elem_info_set_index(info, i);
            if (snd_ctl_elem_info(ctl, info) < 0)
                  break;
      }
      if (i < input_channels - 1)
            adc_volumes = i;
      else
            adc_volumes = input_channels;
      snd_ctl_elem_info_set_name(info, ADC_SENSE_NAME);
      for (i = 0; i < adc_volumes; i++) {
            snd_ctl_elem_info_set_numid(info, 0);
            snd_ctl_elem_info_set_index(info, i);
            if (snd_ctl_elem_info(ctl, info) < 0)
                  break;
      }
      adc_senses = i;
      if (adc_senses > 0) {
            snd_ctl_elem_info_set_numid(info, 0);
            snd_ctl_elem_info_set_index(info, 0);
            snd_ctl_elem_info(ctl, info);
            adc_sense_items = snd_ctl_elem_info_get_items(info);
            for (i = 0; i < adc_sense_items; i++) {
                  snd_ctl_elem_info_set_item(info, i);
                  snd_ctl_elem_info(ctl, info);
                  adc_sense_name[i] = strdup(snd_ctl_elem_info_get_item_name(info));
            }
      }

      for (i = 0; i < 10; i++) {
            snd_ctl_elem_info_set_name(info, IPGA_VOLUME_NAME);
            snd_ctl_elem_info_set_numid(info, 0);
            snd_ctl_elem_info_set_index(info, i);
            if (snd_ctl_elem_info(ctl, info) < 0)
                  break;
      }
      if (i < input_channels - 1)
            ipga_volumes = i;
      else
            ipga_volumes = input_channels;
}

void analog_volume_postinit(void)
{
      int i;

      for (i = 0; i < dac_volumes; i++) {
            dac_volume_update(i);
            dac_volume_adjust((GtkAdjustment *)av_dac_volume_adj[i], (gpointer)(long)i);
      }
      for (i = 0; i < adc_volumes; i++) {
            adc_volume_update(i);
            adc_volume_adjust((GtkAdjustment *)av_adc_volume_adj[i], (gpointer)(long)i);
      }
      for (i = 0; i < ipga_volumes; i++) {
            ipga_volume_update(i);
            ipga_volume_adjust((GtkAdjustment *)av_ipga_volume_adj[i], (gpointer)(long)i);
      }
      for (i = 0; i < dac_senses; i++)
            dac_sense_update(i);
      for (i = 0; i < adc_senses; i++)
            adc_sense_update(i);
}

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