sound/pcmcia/vx/vxp_mixer.c

   1 /*
   2  * Driver for Digigram VXpocket soundcards
   3  *
   4  * VX-pocket mixer
   5  *
   6  * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
   7  *
   8  *   This program is free software; you can redistribute it and/or modify
   9  *   it under the terms of the GNU General Public License as published by
  10  *   the Free Software Foundation; either version 2 of the License, or
  11  *   (at your option) any later version.
  12  *
  13  *   This program is distributed in the hope that it will be useful,
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *   GNU General Public License for more details.
  17  *
  18  *   You should have received a copy of the GNU General Public License
  19  *   along with this program; if not, write to the Free Software
  20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  21  */
  22
  23 #include <sound/driver.h>
  24 #include <sound/core.h>
  25 #include <sound/control.h>
  26 #include "vxpocket.h"
  27
  28 #define MIC_LEVEL_MIN   0
  29 #define MIC_LEVEL_MAX   8
  30
  31 /*
  32  * mic level control (for VXPocket)
  33  */
  34 static int vx_mic_level_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
  35 {
  36         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
  37         uinfo->count = 1;
  38         uinfo->value.integer.min = 0;
  39         uinfo->value.integer.max = MIC_LEVEL_MAX;
  40         return 0;
  41 }
  42
  43 static int vx_mic_level_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
  44 {
  45         vx_core_t *_chip = snd_kcontrol_chip(kcontrol);
  46         struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
  47         ucontrol->value.integer.value[0] = chip->mic_level;
  48         return 0;
  49 }
  50
  51 static int vx_mic_level_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
  52 {
  53         vx_core_t *_chip = snd_kcontrol_chip(kcontrol);
  54         struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
  55         down(&_chip->mixer_mutex);
  56         if (chip->mic_level != ucontrol->value.integer.value[0]) {
  57                 vx_set_mic_level(_chip, ucontrol->value.integer.value[0]);
  58                 chip->mic_level = ucontrol->value.integer.value[0];
  59                 up(&_chip->mixer_mutex);
  60                 return 1;
  61         }
  62         up(&_chip->mixer_mutex);
  63         return 0;
  64 }
  65
  66 static snd_kcontrol_new_t vx_control_mic_level = {
  67         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
  68         .name =         "Mic Capture Volume",
  69         .info =         vx_mic_level_info,
  70         .get =          vx_mic_level_get,
  71         .put =          vx_mic_level_put,
  72 };
  73
  74 /*
  75  * mic boost level control (for VXP440)
  76  */
  77 static int vx_mic_boost_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
  78 {
  79         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
  80         uinfo->count = 1;
  81         uinfo->value.integer.min = 0;
  82         uinfo->value.integer.max = 1;
  83         return 0;
  84 }
  85
  86 static int vx_mic_boost_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
  87 {
  88         vx_core_t *_chip = snd_kcontrol_chip(kcontrol);
  89         struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
  90         ucontrol->value.integer.value[0] = chip->mic_level;
  91         return 0;
  92 }
  93
  94 static int vx_mic_boost_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
  95 {
  96         vx_core_t *_chip = snd_kcontrol_chip(kcontrol);
  97         struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
  98         down(&_chip->mixer_mutex);
  99         if (chip->mic_level != ucontrol->value.integer.value[0]) {
 100                 vx_set_mic_boost(_chip, ucontrol->value.integer.value[0]);
 101                 chip->mic_level = ucontrol->value.integer.value[0];
 102                 up(&_chip->mixer_mutex);
 103                 return 1;
 104         }
 105         up(&_chip->mixer_mutex);
 106         return 0;
 107 }
 108
 109 static snd_kcontrol_new_t vx_control_mic_boost = {
 110         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 111         .name =         "Mic Boost",
 112         .info =         vx_mic_boost_info,
 113         .get =          vx_mic_boost_get,
 114         .put =          vx_mic_boost_put,
 115 };
 116
 117
 118 int vxp_add_mic_controls(vx_core_t *_chip)
 119 {
 120         struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
 121         int err;
 122
 123         /* mute input levels */
 124         chip->mic_level = 0;
 125         switch (_chip->type) {
 126         case VX_TYPE_VXPOCKET:
 127                 vx_set_mic_level(_chip, 0);
 128                 break;
 129         case VX_TYPE_VXP440:
 130                 vx_set_mic_boost(_chip, 0);
 131                 break;
 132         }
 133
 134         /* mic level */
 135         switch (_chip->type) {
 136         case VX_TYPE_VXPOCKET:
 137                 if ((err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_level, chip))) < 0)
 138                         return err;
 139                 break;
 140         case VX_TYPE_VXP440:
 141                 if ((err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_boost, chip))) < 0)
 142                         return err;
 143                 break;
 144         }
 145
 146         return 0;
 147 }
 148